东南大学学报（英文版）Issue(2)：204-208,5.DOI:10.3969/j.issn.1003-7985.2015.02.008
湿法碳酸化电石渣干燥后在钙循环中的 CO2捕集
CO2 capture by carbonated carbide slag seriflux after drying in calcium looping cycles
摘要
Abstract
A new carbide slag (CS)seriflux utilization was proposed.The flue gas from a coal-fired plant was first bubbled into CS seriflux for CO2 capture. The obtained carbonated carbide slag seriflux (CCSS)was dried and utilized as a CO2 sorbent in the calcium looping cycles.The CO2 capture behavior of the dried CCSS and the raw CS was investigated in a dual fixed-bed reactor and a thermo-gravimetric analyzer. The effects of carbonation time, calcination temperature and carbonation temperature on CO2 capture performance of CCSS in the multiple carbonation/calcination cycles were studied.The results show that the CO2 capture capacity of CCSS was higher than that of CS. Calcined at 950 ℃,CCSS shows better carbonation reactivity than CS,which benefits CO2 capture under severe calcination conditions.In the range of 700 to 725 ℃ for the carbonation, CCSS shows the optimal CO2 capture performance. The calcined CCSS shows better porous microstructure than the calcined CS.The calcined CCSS exhibits a larger surface area and pore volume in the cycles,which favors a higher CO2 capture capacity in the multiple cycles.关键词
钙循环/电石渣/CO2 捕集Key words
calcium looping/carbide slag/CO2 capture分类
能源科技引用本文复制引用
何梓睿,李英杰,刘长天..湿法碳酸化电石渣干燥后在钙循环中的 CO2捕集[J].东南大学学报（英文版）,2015,(2):204-208,5.基金项目
The National Natural Science Foundation of China (No．51376003)． （No．51376003）
