文档介绍：第27卷第5期高校化学工程学报 2013 年10月 Journal of Chemical Engineering of Chinese Universities Oct. 2013文章编号:1003-9015(2013)05-0903-07活化碳酸钾溶液吸收CO2的动力学研究?申淑锋, 冯晓霞, 赵瑞红(河北科技大学化学与制药工程学院, 河北省药物化工工程技术研究中心, 河北石家庄 050018) 摘要:化学溶剂吸收法是实现燃煤电厂烟气中CO控制排放的有效途径之一。与有机胺溶剂相比,碳酸钾溶液吸收CO具有溶剂成本和再生能耗等方面的优势,近年来再次受到人们的关注和重视。今在湿壁柱装置中,研究了碳酸钾溶液体系在不同浓度和不同温度下吸收CO的速率,同时讨论了不同活化碳酸钾溶液对吸收CO的归一化传质通量的影响。结果表明,加入1%(wt)硅酸钾可以明显提高碳酸钾溶液吸收CO的速率,相同条件下活化后吸收CO的归一化传质通量增加约1倍。采用快速拟一级吸收动力学模型,×10exp(-) m?kmol?s。关键词:二氧化碳吸收;碳酸钾;硅酸钾;活化剂;动力学中图分类号:; 文献标识码:A DOI:.1003- ics of CO2 Absorption by Promoted Aqueous Potassium Carbonate Solution SHEN Shu-feng, FENG Xiao-xia, ZHAO Rui-hong (School of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Hebei Research Center of Pharmaceutical and Chemical Engineering, Shijiazhuang 050018, China) Abstract: Carbon dioxide absorption using chemical solvents is one of the developed and feasible methods used to reduce CO2 emission from coal-fired power plants. Using potassium carbonate as absorbent has a number of advantages, such as solvent costs and regenerating energy consumption, over the amine based solvents, therefore it has been paid more attention in recent years. In this work, th