Organic amine compositions and carbon dioxide absorbents and uses thereof

By combining polyamine compounds, sterically hindered amines, and compounds containing amine groups and ether bonds with organic solvents and water to prepare carbon dioxide absorbents, the problems of high preparation cost and high regeneration energy consumption in existing technologies are solved, achieving efficient and low-cost carbon dioxide capture.

CN119075601BActive Publication Date: 2026-06-09CHN ENERGY NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO LTD +1
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHN ENERGY NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO LTD
Filing Date
2024-08-27
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing carbon dioxide absorbents are costly to prepare, have complex synthesis techniques, and consume a lot of energy for regeneration, making it difficult to achieve efficient carbon dioxide capture.

Method used

Carbon dioxide absorbents are prepared by combining polyamine compounds, sterically hindered amines, and compounds containing amine groups and ether bonds with organic solvents and water. The composition ratio is optimized to improve absorption efficiency and reduce regeneration energy consumption.

Benefits of technology

A low-cost and simple-to-prepare carbon dioxide absorbent has been developed, which has the advantages of rapid absorption rate, high absorption load and low regeneration energy consumption, and significantly improves carbon dioxide capture efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure SMS_1
    Figure SMS_1
Patent Text Reader

Abstract

This invention relates to the field of carbon dioxide capture technology, and discloses an organic amine composition and a carbon dioxide absorbent, as well as their applications. The organic amine composition contains a polyamine compound, a sterically hindered amine, and a compound containing an amino group and an ether bond, wherein the weight ratio of the polyamine compound, the sterically hindered amine, and the compound containing an amino group and an ether bond is (2-10):(0.5-8):1. The organic amine composition of this invention can be used as the main component of a carbon dioxide absorbent. The carbon dioxide absorbent prepared from this organic amine composition has advantages such as low cost, simple preparation method, fast absorption rate, high absorption load, and low regeneration energy consumption.
Need to check novelty before this filing date? Find Prior Art