Tailoring ionic liquids for carbon capture

Congmin Wang, Huimin Luo, Patrick C. Hillesheim, Sheng Dai

Research output: Contribution to journalConference articlepeer-review

Abstract

The emission of carbon dioxide (CO 2) has received worldwide attention because of its possible implications on climate change. Accordingly, the development of novel sorbent materials and new technologies for CO 2 capture and storage is highly sought. The traditional method for CO 2 capture is chemical absorption by aqueous amine solutions. The key advantages associated with this liquid-based method are high reactivity, low cost, and good absorption capacity. However, the use of amines and water has some serious inherent drawbacks, including the loss of solvent, corrosion, and high energy demand for regeneration. A potential alternative method is the capture of CO 2 by ionic liquids, which have many unique properties, such as negligible vapor pressure, a broad range of liquid temperatures, high thermal stability, good CO 2 solubility, and tunable physicochemical characteristics. Here, we summarized our recent work on the use of room-temperature ionic liquids with tailored structural motifs for efficient carbon capture.

Original languageEnglish
JournalACS National Meeting Book of Abstracts
StatePublished - 2011
Event242nd ACS National Meeting and Exposition - Denver, CO, United States
Duration: Aug 28 2011Sep 1 2011

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