CO2 capture technologies and application
BU Xuepeng;
Abstract：
The CO2 capture technologies and application are briefly analyzed based on literatures. CO2 capture technology is one of the key technologies in CCS( carbon capture and storage). For different CO2 sources,there are numerous development technologies at home and abroad. Many kinds of CO2 capture technologies have been commercialized now. At present,MEA is the main method used for post-combustion flue gas CO2 capture. For pre-combustion CO2 capture,which is used in IGCC plant,part of CO convert to CO2 and H2by shifting reaction first,then CO2 is captured by mature technologies such as Selexol( NHD) etc. Based on pilot experiment,commercial demonstration is demanded for Oxy-fuel technique. Rectisol is the mature technique used for large-scale CTL and CTC CO2 capture,and the CO2 content will be more than 98% if CO2 column was used in the process. For natural gas CO2 capture,MDEA is often adopted. There are also other CO2 capture technologies such as cryogenic,PSA,membrane etc. Chemical looping combustion and other CO2 capture technologies are still in the research and development phase.
Key Words： carbon capture and storage(CCS);CO2 capture;greenhouse effect
Foundation:
Authors: BU Xuepeng;
DOI: 10.13226/j.issn.1006-6772.2014.05.003
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