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Durability refers to the time the carbon is locked away and not returned to the atmosphere as CO2. CO2 Removal Certificate (CORCs) are classified into two durability categories: CORC 100+ for methods that secure CO2 for at least 100 years and CORC 1,000+ for methods that secure CO 2 for over 1,000 years.

239

Available Projects

45

Countries Represented

819,283

Tonnes of CO2 removed

Tantanoola 1

Tantanoola 1

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

0

Price per tonne

On demand

Durability

CORC 100+

Future facility
Based in Tantanoola, South Australia in the heart of the Australian’s Forestry industry ‘Green Triangle’, Roundwood Solutions (RWS) provides sustainable carbon solutions with their biochar product. RWS leverages cutting-edge gasification technology to transform radiata pine waste sourced from the local milling and plantation industries into premium biochar. This process ensures maximum utilization of local biomass resources that would otherwise be underutilized or left to decompose, emitting greenhouse gases. RWS's biochar boasts a verified H/C ratio of 0.28, a testament to its high-quality carbon structure optimized for soil enhancement and carbon sequestration stability over time. In alignment with circular economy principles, RWS actively contributes to sustainable practices by converting agricultural residues into a valuable resource shown to improve soil health and productivity. This approach not only reduces waste but also supports local forestry and agricultural sectors, fostering economic resilience and environmental stewardship within the community. With an initial production capacity of 20,000 CORCs (CO2 Removal Certificates) per year, RWS is committed to scaling its operations to meet growing demand and further advance global sustainability goals. By expanding their biochar production, RWS aims to play a pivotal role in promoting regenerative agriculture and achieving carbon neutrality objectives on a larger scale.

Location

Australia

Blackwell's Corner

Blackwell's Corner

Terrestrial Storage of Biomass

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

0

Price per tonne

On demand

Durability

CORC 100+

Future facility
The Wonderful Company is the world’s largest grower of tree nuts and America’s largest citrus grower. Wonderful Renewable Solutions (WRS) works across Wonderful’s portfolio of business operations to identify, incubate, and scale sustainable ventures. Our 2025 Blackwell’s Corner Project will securely store carbon in the form of wood for at least 100 years by burying it under dry conditions to prevent decomposition. The project will be sited in California on Wonderful-owned land using wood from Wonderful-owned orchards, and will deliver 20,000 tons of high-quality carbon removals. How it works: Orchard trees from Wonderful’s farming operations are chipped at end of their agronomic lifecycle. Those dry chips are then transported to the adjacent burial site and deposited into engineered excavated chambers that are designed to prevent water from entering, therefore inhibiting decomposition. Extensive monitoring equipment is installed in each chamber for long-term supervision. Once the chambers are sealed, native vegetation is planted on top to increase biodiversity and further protect the wood from water infiltration. The Blackwell’s Corner project is the first terrestrial storage of biomass (TSB) project to pass Puro’s Preliminary Assessment. The preliminary assessment report will be posted on this page shortly. Why Wonderful? Wonderful is uniquely positioned to deliver biomass burial carbon removal in California’s Central Valley. Wonderful has operated in the Central Valley for four decades, with over 5,000 fulltime employees across 30 different locations. Our vertically integrated businesses provides access to an unparalleled asset base and broad network of in-house expertise. The design and instrumentation plan for this project have been developed in close collaboration with academic experts from Caltech, Stanford, University of Virginia, and North Carolina State University.

Location

United States

Wakefield Biochar Facility 3

Wakefield Biochar Facility 3

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

56

Price per tonne

On demand

Durability

CORC 100+

Operational
Wakefield BioChar aims to make the planet healthier through their “Better Soil. Better World.” philosophy. Based in Valdosta, Georgia, a city with a long history in the forestry industry, the company focuses on managing pulp and paper and sawmill waste and creating sustainable products. They have a range of branded biochar products and compost blends sold through retailers such as Lowes, Amazon, and Sam's Club. They also supply local farmers with biochar to improve grass yields and use biochar blends for land remediation projects. The feedstock is pine bark and sawdust from FSC and SPIB-certified forests. The company is expanding and opening new pyrolysis facilities in 2024, financed partially through carbon credit sales.

Location

United States

Certified

Wakefield Biochar Facility 2

Wakefield Biochar Facility 2

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

4,937

Price per tonne

On demand

Durability

CORC 100+

Operational
Wakefield BioChar aims to make the planet healthier through their “Better Soil. Better World.” philosophy. Based in Valdosta, Georgia, a city with a long history in the forestry industry, the company focuses on managing pulp and paper and sawmill waste and creating sustainable products. They have a range of branded biochar products and compost blends sold through retailers such as Lowes, Amazon, and Sam's Club. They also supply local farmers with biochar to improve grass yields, and use biochar blends for land remediation projects. The feedstock is pine bark and sawdust from FSC and SPIB certified forests. The company is expanding and opening new pyrolysis facilities in 2024 financed partially through carbon credit sales.

Location

United States

Certified

Four Bordet

Four Bordet

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

741

Price per tonne

On demand

Durability

CORC 100+

Operational
Bordet is a French industrial SME that offers innovative solutions for the climate transition. Its products include bio-oils, activated carbon and Carboépure® biochars, thus contributing to decarbonization and environmental preservation. The Bordet Group produces high quality biochar, characterized by its purity and homogeneity. Its very high carbon content (greater than 90%) makes it possible to increase the potential storage of carbon in the soil or materials (concrete, cement). The purity of Bordet biochar is also remarkable for its low content of PAHs, heavy metals and ash, allowing its use in demanding markets such as animal nutrition and agriculture. In addition, Bordet biochar has the advantage of having a very high specific surface area, thus increasing its water absorption capacity and its filtering power. Its is recognized by the most demanding certifications, such as EBC (AgroOrganic class), AB (Organic Agriculture) and Puro.Earth. The production of high-quality biochar represents a significant step forward in the fight against climate change and the transition to a more sustainable economy. Building on its heritage of 160 years of experience and innovation, Bordet is establishing itself as a key player in industrial decarbonization, thus helping to shape a greener future for future generations.

Location

France

Certified

Brandon Production Facility

Brandon Production Facility

Carbonated Materials

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

8,248

Price per tonne

On demand

Durability

CORC 1000+

Operational
Brandon Carbon Mineralization Converting CO₂ emissions into solid building materials through accelerated carbonation. The Brandon project operated by O.C.O Technology Limited focuses on the production of carbonated building materials for carbon capture and utilization. Situated at High Street, Brandon, Suffolk, UK IP27 0AX, the Brandon facility plays a significant role in the innovative process of converting CO₂ emissions into solid building materials. Through accelerated carbonation, CO₂ is reacted with alkali earth hydroxides and silicates to produce carbonated aggregate from waste materials. The manufacturing process at the Brandon facility involves blending different thermal residues, conditioning them with water, and exposing them to an elevated concentration of CO₂ to accelerate the carbonation process. This results in the production of carbonated aggregate with a verified carbon content of 144 kg of CO₂ per tonne of aggregate product. Compliance assessments, necessary permits, and verification activities ensure adherence to the Puro Standard General Rules and Carbonated Building Material Methodology. The Brandon project, like other O.C.O Technology Limited initiatives, exemplifies the company's commitment to sustainable carbon removal through innovative carbon capture and utilization techniques. By converting CO₂ emissions into valuable building materials, the Brandon facility contributes to global efforts in mitigating climate change and promoting environmental sustainability.

Location

United Kingdom

Certified

Leeds Production Facility

Leeds Production Facility

Carbonated Materials

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

23,032

Price per tonne

On demand

Durability

CORC 1000+

Operational
Leeds Carbon Mineralization. Converting CO₂ emissions into solid building materials through accelerated carbonation. The Leeds project operated by O.C.O Technology Limited is a key component of their carbon capture and utilization initiatives, focusing on the production of carbonated building materials for sustainable construction applications. Located at Hub 45, 37 Knowsthorpe Gate, Leeds, UK LS9 0NP, the Leeds facility plays a pivotal role in converting CO₂ emissions into solid building materials through accelerated carbonation technology. At the Leeds facility, CO₂ is used to treat various waste materials via Accelerated Carbonation Technology (ACT). This process involves reacting CO₂ with alkali earth hydroxides and silicates to produce lightweight carbonated aggregate suitable for construction purposes. The aggregate meets EN13242 and EN13055 requirements, ensuring high-quality and environmentally friendly construction materials. The manufacturing process at the Leeds project includes blending different thermal residues, conditioning them with water, and exposing them to an elevated concentration of CO₂ to accelerate the carbonation process. This results in the production of carbonated aggregate with a verified carbon content of 144 kg of CO₂ per tonne of aggregate product. Compliance assessments, permits, and verification activities are conducted in alignment with the Puro Standard General Rules and Carbonated Building Material Methodology to uphold environmental standards. The Leeds project exemplifies O.C.O Technology Limited's dedication to sustainable carbon removal practices and innovative solutions for carbon capture and utilization. By converting CO₂ emissions into valuable building materials, the Leeds facility contributes to reducing carbon footprints in the construction industry and advancing the transition towards a more sustainable and environmentally conscious future.

Location

United Kingdom

Certified

Avonmouth Production Facility

Avonmouth Production Facility

Carbonated Materials

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

14,697

Price per tonne

On demand

Durability

CORC 1000+

Operational
Avonmouth Carbon Mineralization. Converting CO₂ emissions into solid building materials through accelerated carbonation. The Avonmouth project operated by O.C.O Technology Limited is a key component of their innovative approach to carbon capture and utilization. Located at Unit 1 Severn View Industrial Estate, Central Avenue, Avonmouth, UK BS10 7SD, this facility is at the forefront of converting CO₂ emissions into solid building materials. Through the process of accelerated carbonation, CO₂ is reacted with alkali earth hydroxides and silicates to produce carbonated aggregate from waste materials. This unique method not only helps in reducing carbon emissions but also provides a sustainable solution for carbon removal. In terms of production, the Avonmouth facility blends different thermal residues, conditions them with water, and exposes them to an elevated concentration of carbon dioxide to accelerate the carbonation process. This results in the production of carbonated aggregate with a carbon content of 144 kg of CO₂ per tonne of aggregate product. The facility has demonstrated a significant output, with 401,773 tonnes of aggregate product produced in the full calendar year prior to registration. These numbers underscore the scale and impact of the Avonmouth project in contributing to carbon removal efforts. Compliance and verification are integral aspects of the Avonmouth project, ensuring that the facility meets the required standards and regulations. Through compliance assessments, necessary permits, and verification activities in line with the Puro Standard General Rules and Carbonated Building Material Methodology, the Avonmouth site upholds its commitment to environmental responsibility. Looking ahead, the Avonmouth project is part of O.C.O Technology Limited's expansion strategy, with plans for a fourth site in Wretham set to begin operations in early 2024. Additionally, international plants in Australia, Japan, and Spain are on the horizon, showcasing the company's global vision for sustainable carbon removal practices.

Location

United Kingdom

Certified

Restoration Fuels

Restoration Fuels

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

375

Price per tonne

On demand

Durability

CORC 100+

Operational
Restoration Fuels is a commercial scale thermal treatment facility in John Day, Oregon. The facility uses small-diameter thinnings and low-value residual wood from restoration treatments on National Forests to produce advanced carbon removals with biochar. The biochar produced at Restoration Fuels is used in agricultural, nursery and other applications, including in ecological restoration projects such as abandoned mineland restoration. In these projects, the biochar increases the organic matter in the restored soils enhancing the water holding capacity, reducing erosion and encouraging revegetation. The carbon credit revenues enable Restoration Fuels to integrate its procurement activities to support increased forest restoration work and hazardous fuels reduction.

Location

United States

ZeroEx

ZeroEx

Enhanced Rock Weathering

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

0

Price per tonne

On demand

Durability

CORC 1000+

Future facility
ZeroEx stands for delivering highest quality carbon removal projects with a high aspiration for scientific integrity and supporting communities – the reason why we as a company focus exclusively on launching enhanced weathering projects set-up locally within the strictest regulatory frameworks in Germany and Central Europe. The concept of enhanced weathering accelerates the natural weathering process of silicate rocks by spreading smaller fractions of rock, derived as a by-product from quarrying operations, on agricultural land, sequestering carbon in the process and geologically storing with a permanence of over 1,000+ years. Enhanced weathering does not only help combat climate change by removing carbon from the atmosphere, but also delivers numerous co-benefits such as the natural remineralization of soils and the substitution of otherwise carbon intensive agricultural lime, deacidifying soils in the process. In consequence, farmers benefit both from resulting yield increases at no cost and financially– by spreading the rock only in direct vicinity of quarries in rural regions, ZeroEx directly supports local communities. By limiting the radius of operations to an average of 25km around the feedstock source, ZeroEx is able to work with a maximum efficiency while keeping project emissions low. ZeroEx is the first operational project developer in Germany and deployed 12,000 tons of rock powder in a first pilot phase in 2023 focused on data generation using different feedstocks in five different regions of Germany. By continuously exploring high-quality feedstock sources and setting up a network of local collaborators for e.g. logistics and laboratory capacities, ZeroEx has secured potential for significant expansion over the next years. By adapting latest protocols for MRV as well as planning research projects with proprietary MRV devices to contribute to the scientific community ZeroEx sets science first and allows for fast scaling of the method without any compromise on quality.

Location

Germany

Mardie Station

Mardie Station

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

0

Price per tonne

On demand

Durability

CORC 100+

Future facility
Biomass Projects is developing the world’s largest Carbon Dioxide Removal (CDR) project in the Pilbara region of Western Australia. Biomass Projects is partnering with the Traditional Owners through Wirrawandi Aboriginal Corporation which represents the Mardudhunera and Yaburara peoples on whose land this project will operate. The project will rehabilitate the landscape covered by the Mesquite to the native grasslands that existed prior to the infestation. Biomass Projects and Wirrawandi have secured a 15 year (plus extension options) sub-lease over Mardie Station, in order to deliver this significant carbon capture and land rehabilitation project. At full production the Mardie Char facility will generate in excess of 500,000 CO2 removal credits (CORCs) per annum. The feedstock for the Mardie Char project is a woody weed called Mesquite, which is a declared Weed of National Significance, and is the largest, and densest infestation of this weed in Australia. The infestation now covers more than 150,000 hectares of the 225,000-hectare pastoral lease. In the core infestation, the Mesquite now makes up more than 90% of the total biomass. Originally planted in 1926 for shade for the shearing crews on the property, the original 2 trees were considered ornamental plants and did not have the spikes for which the infestation now has a reputation. In 1937, one of the two trees on the property was ringbarked by one of the children that lived on the station, who had been given a Tomahawk for Christmas. The remaining tree then morphed into a variety found nowhere else in the world, grew spikes that pose a significant danger to human and animals alike, and, with the seed pods highly palatable and high in protein, spread across the property mostly after the mid 1940’s. By 2003, the infestation covered 150,000 hectares and was considered by the Western Australian State Government as “beyond eradication.” As such, the entire property was sacrificed to the Mesquite infestation, with the exception of a 1km wide ‘control and eradication zone’ on the boundary to prevent its spread. That did not work. The Mesquite now covers some 300,000 hectares in the immediate regions across 5 additional pastoral station properties, with the core infestation now the largest in Australia. The Mesquite has decimated the local environment, destroying habitat for indigenous Flora and Fauna and has been able to do this due to some very particular traits: 1. The seed pod from the Mesquite has been a traditional food source for the Indigenous peoples of central America where it originates and is the local context, the seed pod is eaten by sheep and cattle that have been traditionally grazed on the property, as well as introduced herbivores such as camels and donkeys but also by native animals such as dingoes, emus, birds and marsupials. 2. The tree has a deep tap root that can access groundwater where it has in fact lowered the localized water table by 3 meters across the core infestation, depriving the environment of billions of litres of groundwater that local creeks and river pools are reliant on to keep the pools full in the late dry season. 3. Mesquite is also considered allelopathic in that the tree actively reduces the growth of other native plants thereby reducing competition and is likely the reason in the core infestation it makes up more than 90% of the total biomass, to the exclusion of almost all other plants other than large eucalypts that likely existed prior to the infestation which really took hold in the 1950’s. 4. Even though the original species deliberately planted on the property in 1926 did not have spikes, the mesquite has since morphed into its own variety found nowhere else on earth and has grown back the spikes on the branches which can reach up to 10 centimetres and pose a very real danger to human and livestock health from puncture wounds. In fact, the area is only able to be traversed on graded tracks as the spikes can puncture the tyres of even large earth moving equipment. The Mardie Project aims to rehabilitate the environment back to the traditional open and lightly timbered grasslands that existed prior to the introduction of the Mesquite and, through our partnership with our Indigenous partners, manage the property to prevent the weed returning. Biomass Projects, supported by its engineering partner, will convert the Mesquite biomass to char using purpose-built, high volume modern pyrolysis equipment. By owning both the feedstock (the Mesquite) and the Mardie Station lease, Biomass Projects controls the supply chain. Char produced from the facility to be constructed on Mardie will be distributed on the 225,000ha property. This reduces supply chain risk and minimises transport mileage. All activities (biomass harvest, processing and char returning to the soil) will be conducted on property. This project presents a sustainable carbon removal opportunity which meets multiple United Nations Sustainable Development Goals, including Climate Action, Reduced Inequalities, Responsible Consumption and Production, Life Below Water, Life on Land, and Industry, Innovation and Infrastructure goals. In partnering with local First Nations members to secure the lease, manage and rehabilitate the land, Biomass Projects will not only make a substantial contribution to carbon reduction goals, but is facilitating and fostering strong social and environmental rehabilitation outcomes. You can assist us in this important project through purchasing our Puro.earth certified CO2 Removal Credits.

Location

Australia

Red Trail Energy LLC

Red Trail Energy LLC

Geologically stored carbon

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

113,316

Price per tonne

On demand

Durability

CORC 1000+

Operational
Red Trail Energy is a North Dakota bioethanol plant operator who began operations in 2007. The facility utilizes locally sourced corn feedstocks to create bioethanol and additional coproducts. RTE is the first bioethanol plant to receive a permit for a class VI well to capture and store CO2 under North Dakota state primacy. In 2022 RTE’s Bioenergy with Carbon Capture and Sequestration (BECCS) project began operation, one of the first in the United States. The facility is capturing the permitted 180,000 ton of annual biogenic CO2 emissions from the facility’s fermentation process. The gaseous CO2 is refrigerated, liquified, and transferred via a short company-controlled pipeline to an onsite class VI well for permanent storage at over 6,000 feet below ground in the Broom Creek formation. RTE owns and operates the Class VI well permitted by the state of North Dakota, where the well monitoring, reporting, and verification is conducted by the state of North Dakota and the U.S. Environmental Protection Agency. RTE has undergone third party audit for Puro Standard verification of the requirements such as life cycle analysis, financial additionality, environmental and social safeguards and permanence.

Location

United States

Certified

Concepcion 1

Concepcion 1

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

0

Price per tonne

On demand

Durability

CORC 100+

Operational
In March 2023 we at Exomad Green launched our first biochar facility in Concepción, Bolivia. We expect to scale up our operations significantly during 2024. Together, these facilities will leverage the power of biochar to sequester up to 200,000 tons of CO2 annually. But our vision goes beyond environmental impact. Exomad Green is about creating a better, more sustainable world for everyone. We're striving to improve the quality of life for over 250,000 regional inhabitants, generate green jobs, foster local economic growth, and champion environmental justice across the region. Join us as we embark on this transformative journey, turning residues into wealth and cultivating a more sustainable future. Our process begins at the source with the collection of biomass residues from local sawmills, providing us with an abundant, renewable source of biomass. The biomass is then transported to our state-of-the-art pyrolysis plant, where it undergoes a meticulous sorting and pre-treatment process that includes pre-drying and grinding, using energy-efficient machinery. The biomass is then subjected to pyrolysis at approximately 600 degrees Celsius, during which the carbon in the biomass is trapped, preventing it from being released as carbon dioxide. This results in the production of biochar, a rich carbon product with a unique honeycomb-like structure, ideal for soil enhancement. The biochar we produce improves soil fertility by increasing its capacity to retain water and nutrients, enhancing microbial activity, regulating soil pH, and aiding in soil remediation by absorbing toxins and heavy metals. We then donate our biochar to local indigenous communities, empowering them to enhance their agricultural yields. By doing so, we not only support their livelihoods but also actively contribute to reducing deforestation, ensuring the preservation and sustainable use of our invaluable South American forests. But the benefits of our project do not stop at soil improvement for the local communities. Exomad Green is committed to exceeding environmental standards. We adhere strictly to local and national regulations and have implemented a water treatment plan, enabling us to recycle and reuse water within the plant. We also employ a system for the effective capture and utilization of bio-oil and syngas by-products of the pyrolysis process, further minimizing our environmental footprint. By leveraging the pyrolysis process, we ensure that more than 70% of the heat generated is reused, further boosting our energy efficiency. The syngas produced during pyrolysis is also captured and used as a source of energy within the plant, reducing our reliance on external energy sources. Through our operations, we not only reduce air pollution and fire risks associated with the improper disposal or incineration of biomass residues but also aim to improve air quality for around 250,000 people. We're proud to be contributing to an environmentally friendly solution that simultaneously improves community health. In terms of social impact, we are currently creating green tech jobs for the community, with approximately 50 direct and 200 indirect employments. But we aim to triple this numbers by 2025. We comply with all local and national regulations regarding insurance and social benefits for our employees, providing dignified, sustainable employment. Exomad Green's Sustainable Biochar Project is a shining example of a circular economy model that addresses multiple environmental challenges. The project embodies the true essence of sustainability, combining economic viability with environmental responsibility and social equity. Examples of usage info Biochar, a product of pyrolysis, has the ability to sequester carbon dioxide (CO2) because of the nature of its production process and the properties of the resulting material. Here's how the sequestered CO2 in biochar is used or stored: Carbon Capture during Production: During the pyrolysis process, organic matter is heated in an oxygen-limited environment. This prevents the full decomposition of the organic matter into CO2 and other gases. Instead, a significant portion of the carbon in the biomass is retained in a stable form within the biochar. Stable Carbon Structure: Biochar is mostly composed of carbon in a very stable form. This means that it doesn't easily decompose or oxidize to release CO2 back into the atmosphere. As a result, when biochar is applied to soil, the carbon it contains remains sequestered in that stable form for a very long time—potentially hundreds to thousands of years. Soil Application: When biochar is incorporated into the soil, it essentially locks away the carbon it contains. In other words, the carbon in the biochar is removed from the short-term carbon cycle because it won't be quickly returned to the atmosphere as CO2. Enhancement of Soil Carbon Storage: Biochar addition to soils can also indirectly lead to increased soil organic carbon levels by promoting the microbial processes that incorporate CO2 from the atmosphere into soil organic matter. Reduction of Greenhouse Gas Emissions: In addition to its carbon storage capabilities, biochar has been found to reduce the emissions of other greenhouse gases from soil, notably nitrous oxide (N2O). It can do this by influencing soil microbial processes. Displacement of Fossil Fuel Carbon: The pyrolysis process that produces biochar also generates bio-oil and syngas, both of which can be used as energy sources. By utilizing these renewable energy sources instead of fossil fuels, there's a reduction in the net CO2 added to the atmosphere. In essence, the CO2 sequestered in biochar isn't "used" in the way we think of fuel being used. Instead, the carbon is stabilized in a form that resists decomposition, preventing its release as CO2 and thereby serving as a form of carbon storage.

Location

Bolivia

Certified

Sonnenerde Pyreg 500

Sonnenerde Pyreg 500

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

33

Price per tonne

On demand

Durability

CORC 100+

Operational
Sonnenerde is a true pioneer in biochar production with over a decade of experience. Back in 2012 it was the first company to operate a biochar production plant in Europe approved under the EU waste law regulations. Since then, Sonnenerde has been successfully producing biochar of the highest quality. From the very beginning, the company has continuously invested in research and development in order to find useful areas of application for biochar. Sonnenerde now offers a wide range of ready-to-use biochar-based products. This clearly distinguishes the company from other market players who only sell biochar as a raw material. Valuing the responsible use of natural resources, Sonnenerde exclusively uses biogenic waste, such as grain husks, sunflower shells and pulp mud, as raw material for biochar production. The Pyreg 500 pyrolysis plant is designed to be extremely sustainable. Its electricity requirements are completely covered by an on-site photovoltaic system. Pyrolysis gases are recovered, cleaned via a flue gas scrubber, and converted into heat, which is then used to dry the feedstock and to heat the company buildings. The Pyreg 500 pyrolysis plant has an annual production capacity of 120 tons of biochar per year.

Location

Austria

Certified

ECOERA Millennium 1 Hammenhög Skånefrö

ECOERA Millennium 1 Hammenhög Skånefrö

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

2

Price per tonne

On demand

Durability

CORC 100+

Operational
ECOERA is a Swedish biochar innovation company awarded the WWF Climate Solver company label. They have been in the biochar field for over ten years and in 2009 created Sweden’s first large-scale biochar carbon removal in agricultural fields. They were part of developing the Biochar Carbon Offset Methodology and specifically the Biochar Carbon Stability Test Method under the International Biochar Initiative. The biochar is produced from residue biomass streams from agricultural seed production. Residues that would otherwise be wasted or decompose. The Ecoera mission is to be part of removing carbon dioxide from the atmosphere at an industrial capacity, with the aim to reach pre-industrial levels of 350 ppm CO2 before the end of the century, while making the agricultural land fertile enough to feed 10 billion people on this planet. How it works The pyrolysis process is a way to condense the CO2 from the biomass and stabilize it into biochar for hundreds to thousands of years. The carbon stability in the biochar is 3rd party verified through being compliant with the standards of the European Biochar Certificate (EBC) and the Puro.earth Biochar methodology. The facility in Hammenhög, the foundation for ECOERA Millennium 1 is producing EBC certified biochar and the heat generated is supplied to a district heating grid. The system is possible to be replicated at many new sites. The carbon removal purchases enable and accelerate their work to establish a new biochar production site and support sustainable agriculture using biochar as a soil amendment. The location for the biochar production system is 55.506702, 14.154831.

Location

Sweden

Certified

V-Grid Energy Systems

V-Grid Energy Systems

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

0

Price per tonne

On demand

Durability

CORC 100+

Operational
VGrid's innovative "Bioserver" is a mobile, modular, and scalable machine that converts agricultural and forestry waste into clean, sustainable energy. The ultra-high temperature downdraft gasifier creates a biochar with higher purity (>90%) and porosity (300 m2/g BET) than biochar produced with lower-temperature pyrolysis technologies. Furthermore, with an Oxygen:Carbon molar ratio of 0.05, VGrid's biochar has higher expected durability and permanence, with the carbon likely stabilized for over 1,000 years. In addition to sequestering carbon, VGrid's biochar addresses several other critical environmental issues. With its high porosity and large surface area-to-volume ratio, VGrid’s biochar significantly improves water retention and microbial activity in the soil, helping to mitigate the impact of drought and naturally improving the long-term health and productivity of decimated soils. Biochar is also a natural filtration media helping to capture contaminates in water runoff, solid waste leachate, and other areas of point-source pollution. Biochar enhances compost quality while accelerating the composting process and reducing GHG emissions. Finally, VGrid’s biochar has been shown to improve animal and livestock health as a feed supplement or animal bedding deodorizer. VGrid’s bioenergy process also produces a unique bio-liquid, sometimes called wood vinegar or pyroligneous acid. VGrid’s bio-liquid contains natural ‘signaling compounds’ that stimulate seed germination and plant development, increasing vigor, branching, and productivity. It makes iron and other minerals available for plants to uptake more readily by converting iron sulfate to iron acetate (as well as other minerals). In this way, it helps reduce dependence on chemical and synthetic fertilizers. VGrid offers its technology in a mobile unit that is modular and scalable to closely match both the amount of available biomass and the local market demand for electricity, biochar, and bio-liquids. This approach is more efficient and profitable and provides for a lower overall carbon footprint since biomass does not have to be transported long distances to a central facility, and biochar and bio-liquids can be sold and used locally. Energy is also produced on demand and a much smaller land area than large wind and solar arrays. VGrid’s Bioservers have operated in the Central Valley of California for several years, proving their reliability, predictability, and scalability while validating compelling unit economics.

Location

United States

Certified

Oregon Biochar Solutions

Oregon Biochar Solutions

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

130

Price per tonne

On demand

Durability

CORC 100+

Operational
Oregon Biochar produces a high-quality, high-carbon and high surface area biochar (Rogue Biochar) from local forestry biomass available in the US's northwest. Our production facility is a carbon-neutral biomass plant located in Jackson County, Oregon. Our feedstocks include low-value biomasses recovered from farms and orchards, woody biomass and burnt material from forest fires as well as secondary and tertiary wood residues from the region. Our biochar has an 83% fixed carbon content, 0.08 H/C and 0.05 O/C molar ratios. It also has a high surface area, which enables it to displace fossil and unsustainably produced activated carbons in applications such as water filtration. About 80% of our production is sold in agriculture where its soil water and nutrient retention and microbial benefits provide farmers with a solution for issues such as low-water availability, drought, nutrient run-off, poor soil and compaction. About 5% of our production is used in stormwater management applications to prevent nutrient and pollutant runoff to water bodies, while the rest is applied in industrial landfills as a capping agent. Oregon Biochar’s goal is to draw down carbon, mitigate climate change, decrease water pollution and regenerate severely degraded lands. We can’t do it alone.

Location

United States

Certified

ARTi, Prairie City

ARTi, Prairie City

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

0

Price per tonne

On demand

Durability

CORC 100+

Operational
Removing carbon dioxide from the atmosphere is part of our daily work. You can directly contribute to sequestering carbon dioxide by supporting our project that turns oat hulls and wood residues into biochar, a charcoal-like material that persists in soil. Biochar is used to regenerate soil in our local community; in farming, composting, landscaping and in vegetable gardens! Your CORC purchase would help ARTi accelerate our journey to a greener future. Juan Proano, Edson Vendrusculo, Matthew Kieffer, and Bernardo del Campo founded ARTi in 2013. We came together as a group of graduate engineers and began working on ways to help farmers and gardeners make healthier soil. We have been developing renewable environmental technology and agricultural solutions since then. We design and build cutting-edge pyrolysis systems for the production of biochar, activated carbon, and "green" carbon black. Our technology is a tool to create valuable products from residues, and to help farmers, composting facilities, homeowners and landscapers integrate sustainable products in their operations. ARTi has an international team composed of members from Argentina, Ecuador, Germany, Mexico, US and Uruguay with different academic backgrounds. We have mechanical, agricultural, chemical, and electrical engineers, as well as economists, physicists, agronomists, and lifelong farmers who are dedicated to creating a variety of biochar-based products and improving our technology. Our company has been engaged in research, extension, and development efforts in pyrolysis, biochar and advanced carbon-related technologies and processes for almost a decade. Through ARTi’s pyrolysis process, biogenic carbon is rearranged into highly stable carbon rings that stay in the ground for over a hundred years. This creates a carbon sink, as carbon is absorbed by plants and, instead of being released back into the atmosphere during decomposition, it is stabilized into biochar. Pyrolysis reduces carbon dioxide levels in the atmosphere and puts biochar to work in the soil.

Location

United States

American BioCarbon CT, LLC

American BioCarbon CT, LLC

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

0

Price per tonne

On demand

Durability

CORC 100+

Operational
American BioCarbon (ABC) is a leading manufacturer of the next great advancement in carbon technologies: biochar. ABC uses an agricultural waste product in a unique way to eliminate legacy environmental impacts while helping customers meet environmental, social, and governance goals. American BioCarbon uses patented biomass separation technology along with other specialized equipment to make premium biochar from sugar cane bagasse. By harnessing the unique properties of bagasse, an agricultural waste product that would otherwise be burned or left to decay and create greenhouse gases (GHG), ABC produces a valuable product and helps sugar mills and local sugar growers. It’s a prime demonstration of value creation in a circular economy, a system where materials never become waste and nature is regenerated. The unique honeycomb carbon structure of bagasse makes it more effective than other wood-based products on the market. The porous elements within bagasse make it superior for use as a soil amendment. A highly advantageous attribute of bagasse is carbon sequestration. American BioCarbon’s bagasse biochar permanently captures carbon in the soil, presenting a tremendous opportunity to advance multiple Sustainable Development Goals. Our current production volume will grow from 2,000 CORCs/year to 175,000 CORCs/year with the addition of our new facility.

Location

United States

Certified

Sylva Fertilis, Argentan, FR

Sylva Fertilis, Argentan, FR

Biochar

CORCs in stock

CORCs in stock are the CORCs that are on suppliers account(s), of which some maybe reserved for future contracts and purchase via sales channel partners.

208

Price per tonne

On demand

Durability

CORC 100+

Operational
Sylva Fertilis, a part of the SLB Group, a forestry consortium in France, specializes in the manufacturing of high-quality biochar products for both retail and wholesale markets. They are one of the largest biochar suppliers in France. Their manufacturing facility, located in Argentan in the Normandy region, produces biochar from wood pellets. The wood pellets are sourced from a manufacturer near Reims in the east of France, which produces pellets from timber from sustainably certified forests. The process results in two granularities of char: 0-1 mm and > 1mm. A small portion of the biochar is augmented with mycorrhizal fungi to create soil improvement products under the Terra Fertilis® brand. The remaining biochar is sold as soil improvement products to municipalities, farmers, golf courses, wine producers, and forestry operations. The biochar has an extremely high carbon content of 95%, and each dry ton of biochar contains 3.4 tonnes of CO2. In 2023, Accend carried out a lifecycle assessment (LCA) of Sylva Fertilis' production process, which accounted for all process emissions from the harvesting of forestry materials, chipping and pelletizing, transport, energy use and packaging, and transport of the biochar, and confirms that 2.74 tonnes of CO2 are stored for every 1 ton of biochar. The company has recently decided to double their production capacity, supported by buyers of CO2 Removal Certificates (CORCs).

Location

France

Certified

Name Methodology Active CORCs Price per tonne Facility type Certification status Location Durability
Tantanoola 1 Biochar (C03000000)
0
On demand
Future facility
 Australia CORC 100+
Blackwell's Corner Terrestrial Storage of Biomass (C06000000)
0
On demand
Future facility
 United States CORC 100+
Wakefield Biochar Facility 3 Biochar (C03000000)
56
On demand
Operational
 Certified United States CORC 100+
Wakefield Biochar Facility 2 Biochar (C03000000)
4,937
On demand
Operational
 Certified United States CORC 100+
Four Bordet Biochar (C03000000)
741
On demand
Operational
 Certified France CORC 100+
Brandon Production Facility Carbonated Materials (C09000000)
8,248
On demand
Operational
 Certified United Kingdom CORC 1000+
Leeds Production Facility Carbonated Materials (C09000000)
23,032
On demand
Operational
 Certified United Kingdom CORC 1000+
Avonmouth Production Facility Carbonated Materials (C09000000)
14,697
On demand
Operational
 Certified United Kingdom CORC 1000+
Restoration Fuels Biochar (C03000000)
375
On demand
Operational
 United States CORC 100+
ZeroEx Enhanced Rock Weathering (C07000000)
0
On demand
Future facility
 Germany CORC 1000+
Mardie Station Biochar (C03000000)
0
On demand
Future facility
 Australia CORC 100+
Red Trail Energy LLC Geologically stored carbon (C05000000)
113,316
On demand
Operational
 Certified United States CORC 1000+
Concepcion 1 Biochar (C03000000)
0
On demand
Operational
 Certified Bolivia CORC 100+
Sonnenerde Pyreg 500 Biochar (C03000000)
33
On demand
Operational
 Certified Austria CORC 100+
ECOERA Millennium 1 Hammenhög Skånefrö Biochar (C03000000)
2
On demand
Operational
 Certified Sweden CORC 100+
V-Grid Energy Systems Biochar (C03000000)
0
On demand
Operational
 Certified United States CORC 100+
Oregon Biochar Solutions Biochar (C03000000)
130
On demand
Operational
 Certified United States CORC 100+
ARTi, Prairie City Biochar (C03000000)
0
On demand
Operational
 United States CORC 100+
American BioCarbon CT, LLC Biochar (C03000000)
0
On demand
Operational
 Certified United States CORC 100+
Sylva Fertilis, Argentan, FR Biochar (C03000000)
208
On demand
Operational
 Certified France CORC 100+
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If you need assistance with navigating the Puro.earth supplier listing, the following information can help.

Understanding CORCs (CO2 Removal Certificates)

A CORC is a CO2 Removal Certificate, a first of its kind carbon credit that represent one tonne of verified and removed carbon.

  • CORCs in stock:The issued CORCs available for spot purchase. It does not include CORCs that may be reserved and available for purchase via sales channel partners.
  • Available for reservation:The number of future CORCs available for reservation with advance market commitments based on the facility’s forecasting data.

Facility types:

  • Operational:The facility is operating as a carbon removal facility. CORCs have already been issued and are available on the spot market or the facility will undergo its first audit in the upcoming months.
  • Future Facilities:The facility is in the development phase and is actively seeking commitments from potential buyers to purchase future CORCs.

Certification:

  • Certified:Facility has passed the first third-party audit to verify the net volume of removed carbon which has been issued into CORCs.

How do I buy CORCs?

Navigate the Puro.earth supplier listing using filters such as facility type, region, and durability to find the most suitable facility for your portfolio or purchasing needs.

  • Purchase via sales channel partners:Utilize the sales channel partners highlighted on the facility's listing page. These partners manage the transaction process on your behalf. Find the full list of sales channel partners here.
  • Direct Purchase:Click on the ‘request info from supplier’ button on the facility listing page to get in touch with the supplier directly. If you prefer to buy directly, signing a Platform Agreement with Puro.earth is required. This process involves opening a Puro Registry account, providing you with autonomy over your portfolio management, and control over contracting and timelines.

Contract types:

  • Purchase agreements:Used for spot market transactions for ex-post-issued CORCs
  • Pre-Purchase Agreements:Used for securing CORCs from certified facilities for future CORC issuances
  • Advance Market Commitments:Used for securing future CORCs from future facilities

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