CO2 is the main greenhouse gas.The reduction of CO2 emissions to cope with climate change has become an international consensus.The industrial flue gas is considered to be an important source of CO2 emissions.The characteristics of industral flue gas CO2 emission,the main test and treatment technology were studied and analyzed.The CO2 concentrations in power plant,steel and cement flue gas are 9.7%-15%,2%-28%and 11%-29%,respectively.CO2 testing mainly includes non-dispersed infrared absorption method,gas chromatography,spectroscopy,chemical absorption method,etc.Among them,the non-dispersed infrared absorption method is the most mature in application,and is the mainstream fixed source CO2 testing technology at present.CO2 capture technology mainly includes absorption method,adsorption method,membrane separation method and cryogenic method.Among them,the chemical absorption method is widely used for low concentration CO2 capture(volume concentration≤30%).The purpose of this study is to provide reference for the subsequent large-scale industrial carbon reduction.
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