FENTON混凝法预处理天然气净化检修废水的实验研究

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1、西南交通大学硕士学位论文FENTON-混凝法预处理天然气净化检修废水的实验研究姓名：李燕红申请学位级别：硕士专业：环境工程指导教师：欧阳峰20081101AbstractThewaStewater盘·omnaturalgaspurificationiscomprisedofnormalpurifyingwastewater,andexaminingandrepmrmgwastew砷瓯Theconcentrationoforganicsinnormalpufi舭agwaStewaterislowandthiswastewateriseasytodispose；whileth

2、econcentrationoforganicsinexaminingandrepairingwastewaterIShigh,whilethehardtodealwith．Fentonreagenthasasuperoxidationand。appearedtobeapplicableforthetreatmentofbio-refracroryw蹴wateLsoFentonreagentreactionhasbecomeorleofeffectivemeanSinthetreatmentandcontrolofwasterwater．Inthisthesis．Fent

3、onoxidation-coagulationprocesswasusedmPre．Tre砌eln0f廿1ewastewaterfromnaturalgaspurificationwhichfromY'mjinDepartment，andtheraringeffectswereinvestigated·乃ewholeexperimentincludeetwosteps。Inthisresearch,theFentonoxidationisfirstlyusedtotreatthewastewaterfromnaturalgaspurification。Thenthewas

4、tewateristreatedbycoagulationagam·Firstly,orthogonalexperimentsareusedtodeterminethemainfactorsofdifferentprocessingunits．Thensingle—factorrotatesareusedtoresearchhoweveryfactoreffecttheresultsoftheexperirnentsandtogetrelationshipcurvesofthefactorandtheresultsoftheexperiments(theremovalef

5、ficiencyofCODandeolority)todeterminethebestvaluesof也efactors．．Intheresearch,theeffectsofFeS04·7I-120dosage，pH,H202／Fep，reactiontimeandotherfactorsontheFentonreagentsoxidation仃ea廿nentresultareinspected；FinallyinspectedtheeffectsofpHcoagulanttypeandcoagulantdosageonthelatercoagulation订eatII

6、lentaleinspected．theoptimalFentonoxidationconditionWas：pHvalueWas3，dosageofFeS04·7H20WaS0．028molfL，H202fFe2十ratewas8：1；西南交通大学硕士研究生论文第llI页reactiontimewas45mill，theoptimalcoagulationconditionWaS：pHvaluewas8,dosageofPAMwas5mg／L．Theresultsofthetestshowed也al，usingthesaidcombinedprocesstotreatw

7、astewaterofDilutingfivetimeswhichCODmassconcentrationWas4138．2mg／L。Aftertheoxidationwastewaterwhichcoloritywas80times，theremovalrateofCODandcolorityreached79．62％，94．O％respectively．BOD／CODrateincreasesfi'omO．147to0．53，itmeansthewastewaterwasbiodegradable．Keywords：was