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1、『察j鬻ht≤∥。_i。氣i囂’’ResearchonTreatmentofHighlyConcentratedPhosphorusWastewaterandAcrylateWastewaterDissertationSubmittedtoNanjingUniversityofTechnologyinpartialfulfillmentoftherequirementsforthedegreeofMasterofEngineeringB

2、yZhiyanKONGSm。一eYanhuaXUSupervisor：上roIannua●LectXuemeiLUJune2008。耪r諺秘臻，夠≮蕊寥一蹴，!7t4茹譬■蕾f■》麓㈠㈠噸rlLrl卜一㈠㈠㈠一‘^■ABSTRACTInChina，waterpollutioncausedbyindustrialwastewaterisaseriousenvironmentalproblem，anditisaworldwideproble

3、mandhasattractedconsiderableattentionTherefore，fortheprotectionofwaterresourcesandmankindhealthandthesustainabledevelopmentofeconomyitisurgentlyneededtostudyanddeveloptheneweffectivetechnologiesforthetreatmentofwastewate

4、rteachthedischargestandardTheproductionwastewatercamefromanautomobilepartscompanywasusedinexperimentsTheoriginalwastewatermainlywasphosphoruswastewaterandgumdippingwastewatercontainingacrylate，hadhighconcentrationofpollu

5、tantsandcomplicatedcompositionTheoriginalwastewaterstudiedherecontainshighlyconcentratedphosphorusQualityofwastewaterisasfollows：salinityabout1755mg／L，initialpHvalueofthesystemabout5，TPabout132mg／LCODabout100mg／LChromaab

6、out60幸AndthequalityoforiginalAcrylicwastewaterisasfollows：CODabout4200m∥L’andNH3Nabout30mg／L，initialpHvalueofthesystemabout5InthispaperanewtreatingprocessofFentonoxidation‘_——Chemicalprecipitationforthehighlyconcentrated

7、phosphorusindustrialwastewaterWasstudiedandappliedsuccessfullytopracticalengineeringTheoptimumoperatingconditionsforFentonoxidation2ChemicalprecipitationaledeterminedthroughtestThedatawereobtainedfromthesmall—scaletest，a

8、ndthereactionmechanismsWerealsostudiedfortheoxidationtreatingstepsTheexperimentresultsshowedthattheTPintherawwaterCanbereducedfrom1321mg／Lto015mg／LbythisprocessTheeffluentcanmeettheNationalStandard(GB89781996)Andtheoptim

9、alconditionsforthetreatmentofhighlyconcentratedphosphoruswastewaterbyFentonwere：dosageofH202(‰眨10960andn(H202)／n(F一十)5785，pHvalueofthesystem5，reactiontime2hTlleoptimalconditionsforthetreatmentofhighlyconcentratedphosphor

10、uswastewaterbyChemicalprecipitationwere：dosageofFe2Was15timesofthetheoreticalvalue，pHvalueofthesystem7，reactiontime30minThetreatmentprocesshasvariousadvantagessuchasfeasibleoperationundercommontemperatureandpressure，easy

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