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CO₂ Capture

Among the energy-related GHG emissions, the power sector is the largest carbon emitter accounting for 40% of the emissions splitted between power coal, gas and oil. Within the Industry sector, cement, iron and steel plants represent approximately 53% of the emissions and are among the hardest to decarbonize with the oil refining activities.

CO₂ Capture Pathways

CO2 Capture consists in extracting the CO2 produced by the largest polluting industries.

To do so, two main carbon capture pathways are available: which are either the post- or pre-combustion pathways. Other solutions exist like Direct Air Capture (DAC) or oxy-fuel combustion but are much less mature with lower TRLs (technology readiness levels).

  • The post-combustion pathway focuses on the treatment of flue gases from various industries. On another hand, the pre-combustion pathway refers to the CO2 capture before fuel combustion. In such instance, the fuel is processed with steam or oxygen to produce syngas.
  • In post-combustion, one of the available carbon capture technology is the chemical absorption of CO2. It is a more mature solution as compared with physical absorption or other technologies. This kind of technology separates the CO2 from other gases by absorption in a chemical solvent to produce a clean flue gas.
“3D Project”, the pilot Project to demonstrate the capture and storage of CO₂ on an industrial scale

In May 2019, a consortium of 11 European stakeholders including ArcelorMittal, Axens, IFP Energies nouvelles (IFPEN) and TotalEnergies launched a project to demonstrate an innovative process for capturing CO2 from industrial activities—the 3D project (DMX™ Demonstration in Dunkirk).

The pilot, designed by Axens, entered the construction phase in 2020 at the ArcelorMittal steelworks site in Dunkirk with the availability to capture 0.5 metric tons of CO2 an hour from steelmaking gases since 2022.

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Upcoming Events

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Conference
Milan, Italy - CEST
4 days
Gastech 2025
Gastech takes place in Milan, Italy, from 9 to 12 September. This conference is the world’s leading forum dedicated to delivering a more sustainable energy future by bringing together the collective knowledge and expertise of strategic visionaries and technical experts to create pathways towards global energy security and a vision for lasting climate impact.
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Conference
Marseille, France - CET
3 days
Post Combustion Capture Conference PCCC-8
The 8th Post‑Combustion Capture Conference (PCCC‑8) is organized by IEAGHG and will take place September 16–18, 2025 at the World Trade Center in Marseille, France.
This three-day event brings together 200–250 industry, academic, and government experts to discuss the latest advances in post‑combustion CO₂ capture technologies, including pilot plants, demonstrations, and operational CCS projects.
Carbon Capture, Utilization & Storage
APH
Aromatics Extraction
Extractive Distillation
Liquid Liquid Extraction (LLE)
Blue Hydrogen
DeNOx
Energy Efficiency
LOHC
Toluene (TL) Hydrogenation
MethylCycloHexane (MCH) DeHydrogenation
SPERA Hydrogen
Benzene Hydrogenation
Benzene Production
Bio Aromatics
Bio Olefins
Bio Ethylene
Bio Butadiene
C₄ Fractionation
Butene-1 recovery
Isobutene Recovery
C₄ Isomerization / Alkylation / Olefins Hydrogenation
Feed Purification
Sulfuric Acid Alkylation
C₄ Isomerization
Fluoridric Acid Alkylation
Solvent hydrogenation
C₄ Upgrading
C₅ Skeletal Isomerization
C₅-C₆ Isomerization
Once-through
Octane Enhancement
Advanced Recycle
Catalytic Cracking
VGO FCC
HS FCC
Resid FCC
High Propylene FCC
Catalytic Reforming
CCR Reforming
Cyclic Reforming
Semi-reg Reforming
Catalytic Reforming
CDU (Crude Distillation Unit)
Cellulosic Ethanol
CO₂ Capture
CO₂ Gas Drying
Process Technologies
Drying Series Adsorbent
Sulfur Removal for Oil, Gas & Petrochemicals Adsorbent
Europe
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Resources

Video

Webinar - Axens Post Combustion Carbon Capture with DMX™ Technology

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Insight

Carbon Capture: an Introduction to the Mature and Emerging Technologies

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Insight

What is the Current Status of CCS Facilities Around the World?

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Insight

How the Different Energy Policy Choices and Technological Solutions Affect GreenHouse Gas Emissions Reduction?

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Insight

Carbon Capture: an Introduction to the Mature and Emerging Technologies

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Insight

What is the Current Status of CCS Facilities Around the World?

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Insight

How the Different Energy Policy Choices and Technological Solutions Affect GreenHouse Gas Emissions Reduction?

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Insight

What Are the Main Sectors Emitting CO2?

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Whitepaper

White Paper - Carbon Capture & Storage

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FAQ

We want to reduce the refinery’s carbon footprint, starting with SMR. What’s the best economic approach: CCUS, an alternative process, or buy in the hydrogen?

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FAQ

What options are there for CO2 capture from a SMR based hydrogen unit?

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Press release

DORIS, Axens, AWT International, SeaQuester and Surbana Jurong announce the CCS Hub Alliance decarbonisation solution for hard-to-abate CO2 emitters

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Press release

DORIS and Axens signed a MOU for Carbon Capture, Utilization and Storage services

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Press release

Técnicas Reunidas and Axens Sign an Agreement to Develop Carbon Capture and Storage Projects

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Press release

Axens Celebrates the 10th Anniversary of AxSorb® and AxTrap™ Adsorbents

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Carbon Capture, Utilization & Storage
Video

Webinar - Axens Post Combustion Carbon Capture with DMX™ Technology

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Carbon Capture, Utilization & Storage
Video

Video - 3D Project: a European Project for CCS on an Industrial Scale

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Carbon Capture, Utilization & Storage
Video

Video - Reducing GHG Emissions with Carbon Capture

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