Carbon oxide capture

摘要

The present invention relates to the use of (poly)-oxymethylene dialkyl ethers as agents for capturing carbon oxides, CO and/or CO2.;The invention also relates to the process for capturing carbon oxides using at least one absorption agent chosen from said (poly)oxymethylene dialkyl ethers.

主权项

1. A process for capturing carbon oxides, comprising at least one step of bringing a gas stream comprising at least one carbon oxide into contact with a trapping agent comprising at least one compound of formula (1) as follows:
X—(OCR2)n—OX′  (1)wherein
n is an integer between 2 and 20, limits included, X and X′ may be identical or different and represent a CmH2m+1 radical with m between 1 and 20, limits included, and R represents hydrogen or the CmH2m+1 radical with m between 1 and 20, limits included.