新型燃煤烟气汞吸附剂的评价研究  

Evaluation Study on New Sorbents for Mercury in Coal-fired Flue Gas

作　　者：沈敏强[1] 吴江[1] 潘卫国[1] 何平[1] 任建兴[1] 葛浩[1] 杜玉颖[1] 张艳艳[1] 

机构地区：[1]上海电力学院能源与环境工程学院,上海200090

出　　处：《上海电力学院学报》2009年第6期566-569,共4页Journal of Shanghai University of Electric Power

基　　金：国家自然科学基金(50806041);上海市曙光人才计划(08SG53);教委科研创新重点项目(09ZZ184);上海市科技启明星跟踪(07QH14007);上海市地方能力建设项目(09230501300)

摘　　要：利用汞蒸气发生器产生的单质汞，与压缩空气组成模拟烟气，在吸附剂评价实验台上进行吸附剂脱汞实验，研究不同吸附剂对单质汞的脱除效率．实验结果表明，活性炭对汞的吸附效率在60％左右，未改性的燃煤飞灰吸附效率在10％～20％，改性后的燃煤飞灰比表面积有很大程度的提高，吸附效率可以达到25％，与活性炭吸附效率相比仍有不小的差距．The mercury vapors from the vapor generator and compressed air forms the simulating flue gas, and the experiment on removal of Hg is done in the sorbent evaluation test-bed in order to research different sorbents for the mercury removal efficiency. The result of the experiment indicates that the removal efficiency of activated carbon is 60% ; while fly ash is of low cost but its efficiency is limited. Unmodified fly ash adsorption efficiency is from 10% to 20% , and the specific surface area of modified fly ash is increased considerably, and its adsorption efficiency can reach up to 25% , but still much lower than that from the activated carbon.

关 键 词：烟气汞 飞灰 活性炭 吸附剂 

分 类 号：TK224.93[动力工程及工程热物理—动力机械及工程] TQ028.14[化学工程]