烟气脱硫添加剂对正盐生成促进的实验研究

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1、华北电力大学（保定）博士学位论文烟气脱硫添加剂对正盐生成促进的实验研究姓名：汪黎东申请学位级别：博士专业：热能工程指导教师：赵毅;王小明20050401ABSTItACTAbstractTheprincipleofwetlimestonescrubbingwasreviewed．Oneofthekeyproblems，oxidationofsulfite．wassummarizedaswell．Onthebaseoflargenumberofliteratures，theeffectofadditivesonoxidationkineticsofsulfiteWasi

2、nvestigated．Byuseofself-designedintermittentreactorsandbubbledonesin】aboratoryscales，thecharacterizedoxidationkinetiCSandmacroscopicaionesofsulritewerestudiedrespectivelywhetherinpresenceofadditives．Thestudywassignificanttolookthroughtheoxidationmechanismofsulfite．andexplorethepromotedo

3、xidationtechnologyofsulfitewithlowcostandenergyconsumed．Theuncatalyzedcharacterizedoxidationkinetitsofsodiumsulfitewasstudiedrespectivelybyusingdifferentwatersuchashighpurewateranddistilledone．Ef艳ctoflightwasstudiedaswellbyusingbrownreactorandtransOarentone，Itisshownthatlightandwaterqua

4、lityhavegreateffectontheoxidation,especiallythelatter．Theuncatalyzedoxidationcourseisdividedintotwosteps，whicharerapidreactioninrichoxygenregionandslowreactioninpoorone．Mathematicalmodelsofthegeneraloxidationofcatciumsulfiteweremadeunderheterogeneousconditions，whichincludedthedissolutio

5、nofcalciumsulfitefromsolidtoliquid，diffusionofoxygenfromgastoliquid，andchemicalreactioninliquid．Integratedwiththeexperimentalresultsofcharacterizedkinetics．theratecontrolstepofmacroscopicalkineticswasinferred．Inpresenceofmanganesesulfate，thesymbolofmetalcatalysts，characterizedandmacrosc

6、opicaloxidationkineticsofsulfitewerestudiedrespectively．ItisshownthatmanganesesulfateiSeffective．Thereisinducedperiodincharacterizedreaction．whichisshortenedgraduallywiththeincreasingofmanganesesulfate．Itwouldacceleratecharacterizedreaction．whichlcadstotheaccelerationofgeneraloxidationo

7、fcalciumSUlrite．Asakindoforganicacid．peraeeticacidWasusedascatalystfirstly．111ecorrespondingcharacterizedandmacroscopicaloxidationkineticsofsulfite铒，雒studiedrespectively．ItiSshownthatperaceticacidiseffective，anditwouldacceleratecharacterizedreaction，which1cadstotheaccelerationo