钾基固体吸收剂脱除烟气中CO_2技术的研究进展  

Development of CO_2 Capture Technology Using Solid Potassium-based Sorbents

作　　者：陈少卿[1] 赵长遂[1] 赵传文[1] 

机构地区：[1]东南大学能源与环境学院,南京210096

出　　处：《动力工程学报》2010年第7期542-549,共8页Journal of Chinese Society of Power Engineering

基　　金：国家863计划资助项目(2009AA05Z311);国家自然科学基金资助项目(50876021)

摘　　要：总结了利用钾基固体吸收剂脱除烟气中CO2技术的研究进展.介绍了具有优越碳酸化特性的KHCO3晶体热解产物的碳酸化和再生反应特性的影响因素,得出最佳碳酸化和再生试验工况参数;比较了不同负载型吸收剂的碳酸化特性,发现K2CO3/Al2O3的性能更为优越;详细叙述了K2CO3/Al2O3负载型吸收剂的碳酸化/再生循环特性,发现其循环特性良好.同时,给出了进一步的研究展望.The research findings of CO_2 capture technology using solid potassiumbased sorbents are summarized,while factors influencing the carbonation and regeneration characteristics of pyrolysis products from KHCO_3 crystal with strong carbonation capabilities analyzed,during which optimum experimental conditions for carbonation and regeneration tests obtained.A comparison of carbonation characteristics between various potassium-based sorbents with different supports is made,among which K_2CO_3/Al_2O_3 is found to be more efficient.Study results on carbonation-regeneration cyclic reaction of K_2CO_3/Al_2O_3 sorbent show that the sorbent has excellent performance in the cyclic reaction.Suggestions for further study on this side are simultaneously put forward.

关 键 词：CO2减排 钾基吸收剂 碳酸化 再生反应 研究进展 

分 类 号：X511[环境科学与工程—环境工程]