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CO₂ Gas Drying

The dehydration of CO₂ streams presents specificities such as corrosiveness, acid gases co-absorption and TEG recovery. Consequently, for decades, it has been seen as a challenge for the operators. This stands true in various industries and particularly in the oil&gas sector, whether on highly sour natural gases or on pure CO₂ streams for enhanced oil recovery (EOR) purpose.

CO₂ Gas Drying process has seen a renewed interest in the current context and development of the Carbon Capture and Storage (CCS) industry.
CO₂ Gas Drying

Axens Offer

Thanks to Axens’ long-standing experience in the field of gas dehydration, industrial references on CO2 drying and ability to offer both TEG and Adsorbent solutions, Axens has an unique position on the market to provide clients with the most cost-effective and fit-on-purpose solutions.

TEG

Water absorption with TriEthylene Glycol (TEG) is a highly flexible, easily operable and cost-effective technology for the reliable dehydration of various types of gases. This process has already been implemented and is industrially proven on CO2 dehydration applications even in the presence of other acid gases such as H2S.

As compared to field proven TEG units on natural gases, TEG units on CO2 dehydration applications have to factor in particular characteristics such as corrosiveness, acid gases co-absorption and TEG recovery.

Axens know-how in the domain of CO2-H2O-TEG thermodynamics, metallurgy selection, process design and modularization expertise ensure our clients to obtain the best-in-class TEG unit for their CO2 drying applications.

Long-track records of CO2 dehydration units in North Africa
Low energy consumption technology
IFPEN R&D support on CO2 treatment chain
Related Offer
Modular Unit
Adsorbents

Drying Series Adsorbents

Water removal applications are widely encountered in the industry sector. Activated alumina and molecular sieves stand at the forefront of the several different materials available on the market.

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A modularization strategy offers superior benefits versus on-site manufacturing. During the last 40 years, Axens has supplied over 500 modular units, both onshore and offshore, providing tailor-made designs according to client project specifications.

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Carbon Capture Technology Expo 2026
The Carbon Capture Technology World Expo Europe 2026 is a major three-day event dedicated to advancing carbon capture, utilization, and storage (CCUS) technologies as essential tools in the transition to a net-zero economy. It will take place from 20 to 22 October 2026 at Hamburg Messe in Hamburg, Germany. The summit brings together more than 300 expert speakers, over 1,000 exhibitors, and some 20,000 attendees from energy, heavy industry, engineering, chemicals, research, NGOs, and government to explore the latest innovations in CO₂ capture, storage, utilisation, hydrogen and ammonia-related solutions alongside a co‑located hydrogen technology expo.
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