直流电晕自由基簇射治理工业恶臭废气应用分析

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1、浙江大学硕士学位论文摘要步分析，并结合不同学者在机理研究方面的成果，探讨了氧化及还原氛围下硫化氢在直流电晕自由基簇射作用下的降解机理:建立了反应器动力学模型，得到污染物浓度c、氧化速率常数肠和能量密度P/Q的关系如下:In(c，/c2卜ko.P/Q。计算出硫化氢的氧化速率常数为0.0781J.m一3。关键词:等离子体;恶臭;自由基;直流电晕;氧化还原氛围;降解机理浙江大学硕士学位论文AbstraCtAbstractIndustrialmalodorsPollution15reeeivingmoreandmoreeoneem

2、andattention.Traditionalmalodorseontrolmethodsarelimitedteehnieallyandeeonomieally，esPeeiallyforhighvolumelowconeentrationmalodorsemissions.DCeoronaradiealshowerteehnique15regardedasaPromisingteehniqueformalodorseontrol，whieheangreatlyredueetheeon1PlexityofoPerati

3、ngandinvestmenteostsofstenchremoval.Firstly，inthisdissertation，theapPliedstudyofsimulatedaetualrefinerymalodorswasinvestigatedsystematieally.Basedonthis，thePlasma一absorptionjointtreatlnentmalodorsPilotPlantwasdesigned.ThemaximumoutPutvoltageofDCPowersuPPlywas60kV，

4、andtotalgas一flowratesoftheexPerimentwerebetween0.06and10m3·h一1.Thegoalsoftheexperimentsweretoconduetthelarse一sealeindustrialaPPlicationdesignandsuPPlytheexPerimentaldatasandtheoretiealbasisforProeesseontrol.Theconclusionshows:l)ExPerimentsoftheremovalofhydrogensul

5、fide，therePresentativemalodorantofrefineryindustry，bydireeteurrenteoronaPlasmawereinvestigated.D邓arnieandstatiedeodorizingexPerimentsinanoxidativeatmosPhereandthestatieremovalofhydrogensulfideinareductiveatmosPherewerestudied.OPerationalParameters，suehasPeakvoltag

6、e，aPPliedPower，resideneetime，initialeoneentration，gastemPerature，humidityandoxidativeandreduetiveatmosPhere，werediseussed.TheresultsshowedthatincreasingthePeakvoltageandresideneetimecanimProvetheremovaleffieieney;inereasingtheeoneentrationandtemPretureofwastegaswi

7、llweakentheremovalefficieney:whenhumidityreaehedbeyondRH=56%，removaleffieieneywouldbedeereased;themostimPortantfactorintheremovalProeess15theoxygeneontent.Only40.87%ofhydrogensulfidewasremovedinthereduetiveatmosPherewithhydrogenandnitrogen.Wllen10%voluxnefraetiono

8、xygenwasaddedinthereduetiveatmosPhere，theremovaleffieieneyeonsiderablyinereasedto80%.hitheoxidativeatmosPherewithnitrogen，hydrogenand10%一20%volumefracti