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OALib Journal期刊
ISSN: 2333-9721
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温度及盐酸浓度对改性scr催化剂汞氧化能力的影响
, PP. 60-64
Keywords: scr催化剂,钒、铈改性,汞氧化率,温度,盐酸
Abstract:
采用v、ce活性溶液浸泡的方法对常规scr催化剂进行改性，分析了hcl浓度、温度对其汞氧化能力的影响。结果表明，和常规催化剂相比，v改性催化剂样品中v2o5含量增大、比表面积和孔结构大幅下降，其汞氧化率低；ce改性催化剂中新增活性物质ceo2、比表面积和孔结构略微减小，其汞氧化能力增强；各样品中的tio2晶型均为锐钛型、活性物质分散均匀。烟气中含hcl时，催化剂氧化单质汞的机理类似deacon途径，随着温度的升高，汞氧化率先增大后减小，最佳汞氧化温度为350℃；在温度200~400℃，hcl浓度0~60μl/l时，汞氧化率随着hcl浓度的增加而快速增加，在hcl浓度>60μl/l时趋于饱和。
| [1] | pavlishjh,sondrealea,mannmd,etal.statusreviewofmercurycontroloptionsforcoal�firedpowerplants[j].fuelprocessingtechnology,2003,82(2/3):89�91.
|
| [2] | 马英.典型燃煤电厂烟气汞协同控制研究[j].热力发电，2013，42（3）：11�14.maying.mercurycooperativecontrolforatypicalcoal�firedpowerplants[j].thermalpowergeneration,2013,42(3):11�14.
|
| [3] | 赵毅,薛方明,董丽彦,等.燃煤锅炉烟气脱汞技术研究进展[j].热力发电，2013，42（1）：9�14.zhaoyi,xuefangming,dongliyan,etal.fluegasmercuryremovaltechnologyforcoal�firedboiler[j].thermalpowergeneration,2013,42(1):9�14.
|
| [4] | 孙巍，晏乃强，贾金平.负载硫氯化合物的活性炭去除单质汞的研究[j].环境科学与技术，2006,29（12）：84�87.sunwei,yannaiqiang,jiajinping.removalofelementalmercuryinfluegasbyactivatedcarbonimpregnatedwithsulfurandchlorinecompounds[j].environmentalscience&technology,2006,29(12):84�87.
|
| [5] | 高洪亮，周劲松,骆仲泱,等.改性活性炭对模拟燃煤烟气中汞吸附的实验研究[j]．中国电机工程学报，2007，27（8）：26�30.gaohongliang,zhoujinsong,luozhongyang,etal.experimentalstudyonhgvaporadsorptionofmodifiedactivatedcarbonsinsimulatedfluegas[j].proceedingsofthecsee,2007,27(8):26�30.
|
| [6] | huc,zhouj,hes,etal.effectofchemicalactivationofanactivatedcarbonusingzincchlorideonelementalmercuryadsorption[j].fuelprocessingtechnology，2009，90：812�817.
|
| [7] | epri.electricutilitytracessubstancessynthesisreport[r].epritr�104614�v3,3(appendixo),1995:56�58.
|
| [8] | leecw,srivastavark,ghorishietsb,etal.investigationofselectivecatalyticreductionimpactonmercuryspeciationundersimulatednoxemissioncontrolconditions[j].journaloftheair&wastemanagementassociation,2004,54(12):1560�1566.
|
| [9] | lih,liy,wucy,etal.oxidationandcaptureofelementalmercuryoversio2�tio2�v2o5catalystsinsimulatedlow�rankcoalcombustionfluegas[j].chemicalengineeringjournal,2011,169:186�193.
|
| [10] | lih,wuc,liy,etal.superioractivityofmnox�ceo2/tio2catalystforcatalyticoxidationofelementalmercuryatlowfluegastemperatures[j].appliedcatalysis.b,environmental,2012,111/112:381�388.
|
| [11] | zhuangy,laumbj,liggettr,etal.impactsofacidgasesonmercuryoxidationacrossscrcatalyst[j].fuelprocessingtechnology,2007,88(10):929�934.
|
| [12] | wanq,duanl,hek,etal.removalofgaseouselementalmercuryoveraceo2�wo3/tio2nanocompositeinsimulatedcoal�firedfluegas[j].chemicalengineeringjournal,2011,170:512�517.
|
| [13] | eswarans,stengerhg.understandingmercuryconversioninselectivecatalyticreduction(scr)catalysts[j].energyandfuels,2005,19(6):2328�2334.
|
| [14] | liy,murphypd,wucy,etal.developmentofsilica/vanadia/titaniacatalystsforremovalofelementalmercuryfromcoal�combustionfluegas[j].environmentalscience&technology,2008,42(14):5304�5309.
|
| [15] | graniteej,pennlinehw,hargisra.novelsorbentsformercuryremovalfromfluegas[j].industrial&engineeringchemistryresearch,2000,39(4):1020�1029.
|
| [16] | panhy,minetrg,bensonsw,etal.processforconvertinghydrogenchloridetochlorine[j].industrial&engineeringchemistryresearch,1994,33(12):2996�3003.
|
| [17] | wanq,duanl,hek,etal.removalofgaseouselementalmercuryoveraceo2�wo3/tio2nanocompositeinsimulatedcoal�firedfluegas[j].chemicalengineeringjournal,2011,170(2):512�517.
|
| [18] | wucyu,liy,zhangj.superioractivityofmnox�ceo2/tio2catalystforcatalyticoxidationofelementalmercuryatlowfluegastemperatures[j].appliedcatalysis.b,environmental,2012,111:381�388.
|
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