煤漿催化氧化法煙氣脫硫實驗研究.pdf

1、青島大學碩士學位論文煤漿催化氧化法煙氣脫硫實驗研究姓名：陳俠申請學位級別：碩士專業(yè)：環(huán)境科學指導教師：孫文壽20060603EXperimemalStudiesofFlueGasDesul矗JrizationbyCoalSlunyCatalyticOxidationAbstractBasedOnaqueouscatalyzedoxidation，coalslurrieswereusedtemOveS02舶mnuegasand，simul

2、taIleously，tllecomemofp州tesulf證incoalwasreducedtllroughmereactionbetweenS02，02andcoalpyriteThecatalyst，F(xiàn)e3／Fe2，waSprOducedinsitubyleachingofcoalpyriteThecoal、vasdried，smashedandscreenednlepaniclesizeofcoalusedforthenucga

3、Sdesul觚zation(FGD)experiments啪sO2∞060mmTheinnuencesoftemper砒ure，S02aIld02cOncen仃ationOnS02remoValefHciencyandontheleachingofcoalpyritewerestudiedThecoalsusedincludedhighsulfllr’mw—coal，low—sulfIlI’raw—coalandmiddlingcoal

4、Theresultofhighsulfurraw—coalexperimentshowedmattheS02removale伍ciencyincreasedrapidlywiththeincreasingofreactiontemperaturewhenitwasbelow40℃However，S02removale伍ciencywasnotgreatlyinnuencedbytemperatllrewhen“wasabove40℃As

5、S02concentrationincreased，theremovale街ciencydecreased，whichwassimilartothatinwetlimeStone／limeFGDprocessTheremoVale伍ciencywasnotgreatlyinnuencedby02concer燈ation，and，when02cOncentrationwasintherangeof3％～20％，theremovale伍ci

6、encieswereanabove90％Sothe02concentrationinactualfluegascanmeetthedemandofcatalyzedoxidationThepHvaluegraduallydecreasedintheprocessofdesulfurizationEspeciaIly，itdecreasedfasterinme6rst30minutesThefallofpHvalueincreasedas

7、theconcentrationofS02increasedSimilarly，the姍ountofleachedpyr“eincreasedastheamountofS02remOvedincreasedSothecoalpyritesulfurcaIlbedecreasedthroughfluegasdesul血rizationprocessTheexperimentresultsof10w—sulfurrawcoalslurrys

8、howedthat，whentheS02concentrationwas1520106andthetemperaturewas20℃，theremovalemciencydecreasedasthereactiontimewaspr010nged，whichwasconsistentwiththatofhighsulfurrawcoalexperimentHowever，whenthereactiontemperaturewasincr