烟煤烟气吸附剂脱汞技术的现状及展望  

Current Situation and Prospect of Mercury Removal Technology from Bituminous Coal Flue Gas with Absorbent

作　　者：侯淼 刘然 赵俊 吕庆 Hou Miao;Liu Ran;Zhao Jun;Lv Qing(College of metallurgy and energy,North China University of Science and Technology,Tangshan,Hebei,China)

机构地区：[1]华北理工大学冶金与能源学院,河北唐山063210

出　　处：《矿产综合利用》2020年第1期25-28,共4页Multipurpose Utilization of Mineral Resources

基　　金：国家自然科学基金资助项目(51674122);河北省自然科学基金钢铁联合研究基金项目(E2016209367).

摘　　要：吸附剂脱汞技术是去除烟气中单质汞的有效方法,将单质汞氧化成二价汞,再进行脱除。本文综述了几种现有烟气吸附剂脱汞技术的发展现状,重点介绍了碳基吸附剂、飞灰、钙基吸附剂、金属吸附剂、SCR技术、矿石类吸附剂及生物吸附剂。最后展望了未来烟气脱汞吸附剂的研究方向。Adsorbent demercuration technology is an effective method to remove the elemental mercury from flue gas The elemental mercury is oxidized into bivalent mercury and then removed.In this paper,the development status of several existing adsorbents for mercury removal is summarized.The methods and processes of carbon based adsorbent,fly ash,calcium based adsorbent,metal adsorbent SCR technology,mineral adsorbent and biological absorbents are mainly introduced.At last,the future research field of smoke desulfurization absorber is prospected.

关 键 词：烟气 脱汞 吸附剂 

分 类 号：TD989[矿业工程—选矿]