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:2007208229;:2007209224:(1971-),,,,,,,(,100083),,COD,,Ca2+100mg/L,4mg/L,:1,,(0.5mgKOH/g),COD,3%,,,,,,;,,,[1,2],,,,,,COD,;,,22.1,12.21,1pH5.18CODcr/mgL-112007BOD/mgL-19278Ca2+/mgL-15000Fe/mgL-1250/mgL-15035,1000mL,,3,,120083PETROLEUMPROCESSINGANDPETROCHEMICALS3932.3,17L5.3L,24h,35,,10,25,32,4pHCODCr,2.4,10min,:,13min,2040r/min,1015min,33.122,,149h,,,,,,CODCr,CODCr0.53m3,CODCr600mg/L,95%,,2/h/mL/mL/mL520365036507720023001000101400267097012540023659014960042100173600436503.233,,CODCr85%95%,3CODcr/mgL-1pHCa2+/mgL-1/mgL-1/kgCODcr(m3d)-1111001126.377.82580261254.31.22221901835.837.531133325504.42.44342862065.357.4725733921253.36.1041200714085.187.145000106025012.2051200716905.186.99500088825019.612.2061200715815.186.98500091225036.112.2071200717245.186.955000108325049.612.2081200718355.186.78500099225052.012.2091200717155.186.97500089225049.012.203,pH,pH7,pH[3],Ca2+,pHCa2+,CaCO3,,Ca2+Ca2+,Ca2+CaCO3CaCO3,,pH,CaCO3;,pH,CaCO3,,Ca2+,pH3,pH,Ca2+953.,,pH,pH,Ca2+Ca2+,,,,44,,,(2),,,CaCO3,,,pH4CaCO3/gg-10.0890.419Fe/mgg-119.141.6105()105()()23424h,12.20kgCODCr/m3d,pH6.93,,Ca2+,14%Ca2+,Ca2+4,2,COD3Ca2+;4COD;85%,COD1700mg/L,3.3,,,,062008393.3.155,0.71,pH7.33,144mg/L,5.2mg/L,,0.71,,,,,5Ca2+/mgL-1Fe/mgL-1/m/mh-1pH11244.400.299.010.91364.04.580.448.110.711445.24.660.437.330.515314.610.607.113.3.2,66,,,,,[3]6/mh-1Ca2+/mgL-1Fe/mgL-10.431251.601152.341.481602.42.46901.8:,0.71,12mg/L,3.4,,,,Ca2+100mg/L,4mg/L,,,80%CODcr,CODcr1000mg/L,,0.71,,200mg/L,10mg/L,CODcr800mg/L,4(1),,COD(2),,Ca2+100mg/L,4mg/L,1,,.Ca2+.,2003,(4):1571592.Ca2+.,2001,14(3):16183..:,2003.122163.STUDYONTHETREATMENTOFELECTRICDESALTINGWASTEWATERWITHHIGHCALCIUMCONTENTQinBing,SangJunqiang,LiBengao,GaoFeng(ResearchInstituteofPetroleumprocessing,Beijing100083)AbstractBatchbiochemicalexperimentwasusedtoinvestigatethebiodegradabilityofelectricdesaltingwastewaterwithhighcalciumcontent,andthekineticbiochemicalprocesswasappliedtotreatthewastewatercontinuously.TheresultsshowedthatthebiochemicalprocesscouldeffectivelyremoveCODinsaidwastewater,andthe1ststagetreatedwastewaterpossessedgoodflocculationandprecipitationproperties.Byproperselectingflocculatingagentandprecipitatingagent,thecontentsofcalciumandironinthewastewatercouldbedroppedtobelow100mg/Land4mg/L,respectively,meetingtherequirementsoftheinfluentfor2ndstagebiochemicaltreatment.KeyWords:wastewater;bio2chemicalprocess;decalcificationDow/DavyLPOxoSMLPOxoSMSELECTORSM10,DowJohnsonMattheyDavy,338kt/a,,81.8kt/a,211.9kt/a30.8kt/a200712,20109800kt/a,LPOxoSM(),,PVC30,DavyDow,1533LPOxoSM85%[ChemEng,2007211228]12200711,1215kt/a12/(MTBE),650kt/a100kt/a,,12MTBE,1220kt/a1258kt/aMTBE,9000,1235kt/a[]26200839