CO2 removal startup list

We researched more than 23 CO₂ removal companies in the following list. This number will be kept updating. We categorize them based on the type of technology used to capture CO₂, including:

  • Direct Air Capture (DAC)
  • Enhanced mineralization
  • Soil carbon sequestration
  • Biomass Carbon Removal and Storage
  • Direct Ocean Capture (DOC)

Each company has a brief introduction, followed by “Get details of XXX (company’s name)”. Clicking the company’s name, you will get our research results of the company, including:

  • Technology
  • Patent
  • Technology applications
  • Product
  • Funding
  • Investor
  • Founder

View the following list of startups that we researched:

Direct Air Capture (DAC)

  • Greenlyte Carbon Technologies

A German cleantech startup founded in 2022, develops a Direct Air Capture technology that captures CO₂ from the air while producing green hydrogen (H₂).

Get details Greenlyte Carbon Technologies >>

  • Sustaera

An American cleantech company founded in 2021, develops direct air capture technology to capture CO₂ from the air using monolithic substrate and renewable energy.

Get details of Sustaera >>

  • Capture6

An American cleantech company founded in 2021, develops integrated Direct Air Capture systems that capture atmospheric CO₂ while producing valuable byproducts.

Get details of Capture6 >>

  • Heirloom

An American cleantech company founded in 2020, uses Direct Air Capture (DAC) technology to capture CO₂ from the air using limestone and store CO₂ safely and permanently.

Get details of Heirloom >>

  • Mission Zero

A UK cleantech company founded in 2020, develops Direct Air Capture technology to capture CO₂ from the air by leveraging the existing cooling towers and electrochemical water purification.

Get details of Mission Zero >>

  • Noya

An American cleantech company founded in 2020, develops Direct Air Capture technology to capture CO₂ from the air by leveraging the existing cooling towers.

Get details of Noya >>

  • TerraFixing

A Canadian company founded in 2020, develops Direct Air Capture technology to capture CO₂ from cold, dry air based on  temperature vacuum swing adsorption cycle.

Get details of TerraFixing >>

  • Carbyon

A Netherlands-based company founded in 2019, develops energy-efficient Direct Air Capture technology that removes carbon dioxide (CO₂) directly from the air.

Get details of Carbyon >>

  • Verdox

An American startup founded in 2019, develops energy-efficient Direct Air Capture technology to capture CO₂ from the air using electroswing adsorption cells.

Get details of Verdox >>

Enhanced mineralization

  • Travertine

An American cleantech company founded in 2022, sequesters CO₂ through mineral carbonation while producing useful by-products.

Get details of Travertine >>

  • Eion

An American climate tech startup founded in 2021, sequesters CO₂ from the air in silicate mineral amendment for carbon farming.

Get details of Eion >>

  • Arca

A Canadian cleantech startup founded in 2021, sequesters CO₂ from the air in peridotite rocks.

Get details of Arca >>

  • 44.01

a UK company founded in 2020, develops a technology for permanently removing CO₂ from the atmosphere by mineralizing it in peridotite rock.

Get details of 44.01 >>

Soil carbon sequestration

  • Silicate

An Irish climate tech company founded in 2022, uses recycled concrete as soil additives to permanently remove CO₂ from the air by enhancing the weathering process.

Get details of Silicate >>

  • Loam Bio

A biotech company founded in Australia in 2020, uses microbes, particularly endophytic fungi, to capture CO₂ from the air and store it in the soil.

Get details of Loam Bio >>

Biomass Carbon Removal and Storage

  • Arbor Energy

An American climate tech company founded in 2022, converts biomass into carbon-negative electricity and clean water, while also permanently removing CO₂ from the air.

Get details of Arbor Energy >>

  • Carba

An American climate tech company founded in 2021, uses low-temperature pyrolysis (torrefaction) to convert biomass waste into biochar for CO₂ removal.

Get details of Carba >>

  • Carbo Culture

A Finnish climate tech company founded in 2018, uses a pyrolysis reactor operating at high temperature and pressure to convert biomass waste into stable biochar while producing syngas.

Get details of Carbo Culture >>

  • Carbofex

A Finnish company founded in 2016, uses thermal pyrolysis technology to turn biomass to biochar for CO₂ removal while producing renewable energy.

Get details of Carbofex >>

Direct Ocean Capture (DOC)

  • SeaO2

A cleantech company founded in the Netherlands in 2022, uses electrodialysis technology to capture CO₂ from seawater.

Get details of SeaO2 >>

  • Captura

An American cleantech company founded in 2021, uses well-established electrodialysis technology to capture CO₂ directly from seawater while reducing ocean acidity.

Get details of Captura >>

  • Ebb Carbon

An American cleantech company founded in 2021, uses well-established electrodialysis technology to capture CO₂ directly from seawater while reducing ocean acidity.

Get details of Ebb Carbon >>

  • Equatic

An American cleantech company founded in 2021, uses an electrolytic cell to capture CO₂ from seawater while producing a valuable product of green hydrogen.

Get details of Equatic >>

  • Planetary Technologies

A Canadian company founded in 2019, uses electrolysis technology to sequester CO₂ in seawater while producing green hydrogen.

Get details of Planetary Technologies >>

 

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