同时脱硫脱硝过程中钙基吸收剂表面孔隙结构变化规律

同时脱硫脱硝过程中钙基吸收剂表面孔隙结构变化规律第31卷第20期中国电机工程学报Vol.31No.20Jul.15,2011602011年7月15日ProceedingsoftheCSEE©2011Chin.Soc.forElec.Eng.文章编号：0258-8013(2011)20-0060-07中图分类号：TK223文献标志码：A学科分类号：470·20同时脱硫脱硝过程中钙基吸收剂表面孔隙结构变化规律陈国庆，高继慧，尹伊郡，贾利峰，吴少华，秦裕琨(哈尔滨工业大学能源科学与工程学院，黑龙江省哈尔滨市150001)EvolutionofPoreStructureofCa-basedSorbentinSimultaneousRemovalofSO2andNOxCHENGuoqing,GAOJihui,YINYijun,JIALifeng,WUShaohua,QINYukun(SchoolofEnergyScienceandEngineering,HarbinInstituteofTechnology,Harbin150001,HeilongjiangProvince,China)ABSTRACT:Theporestructureofthesorbentplaysasignificantroleingas-solidsurfacereactionunderlowtemperatureandhumidconditions.Byusingthenitrogenadsorptionmethod,theporestructureofCa(OH)2particlessubjectedtoSO2andNO2fordifferentreactiontimeswereanalyzed.TheevolutionmechanismoftheabsorbentsurfacestructurewasdiscussedincombinationwiththeabsorptionmechanismsofSO2andNO2onthesurfaceofCa(OH)2particle.Theresultsshowthatthepresenceofthesurfacereactionsproductschangestheporeshape,buthasanegligibleeffectontheBETsu