光伏企业生产废水处理工程设计与应用许伟军高璠王家德

1211．3100322．210016。、/、。《》GB8978—1996。COD90．7%。X703．1C1000－4602201402－0072－05DesignandApplicationofWastewaterTreatmentEngineeringforPhotovoltaicManufacturerXUWei-jun1GAOFan2WANGJia-de11．CollegeofBiologicalandEnvironmentalEngineeringZhejiangUniversityofTechnologyHangzhou310032China2．CollegeofMaterialsScienceandTechnologyNanjingUniversityofAeronauticsandAstronauticsNanjing210016ChinaAbstractThequality-basedcollectionanddifferenttreatmentmethodsofwastewaterfromdiffer-entproductionsectionswereconductedaccordingtothecharacteristicsofthewastewaterdischargedbyaphotovoltaicenterprise．The1stand2ndtypesofwastewaterweretreatedbycoagulationsedimentationhydrolysisacidificationandbiologicalcontactoxidation．The3rdand4thtypesofwastewaterweredirectlydischargedintohydrolyticacidificationtank．The5thtypeofwastewaterwastreatedbycoagulationsedi-mentation．TheengineeringpracticeshowedthattheeffluentqualitymetthethirdclasscriteriaspecifiedinIntegratedWastewaterDischargeStandardGB8978－1996．Thissystemhadstableoperationhighresistancetoshockloadinglowtreatmentcostandhightreatmentefficiency．ThetotalremovalrateofCODwas90．7%．Keywordsphotovoltaicproductionwastewatercoagulationsedimentationhydrolysisacidifi-cationcontactoxidation2011BAE07B091、、、、CODSS1～3。·27·30220141CHINAWATEＲ＆WASTEWATEＲVol．30No．2Jan．2014、1。。1Tab．1Quantityandqualityofwastewaterfromdifferentproductionsections/m3·d－1COD/mg·L－1SS/mg·L－1pH7268885004～69568965004～637568965004～61441285004～624250005004～6、2、4、589100005004～61485250010005～611555005～6832055005～6、2403503007～8、、、5035515005～61238100506～83238300506～8①、、。、COD、B/C。②、、、、2、4、5、。CODpHpH。③1、3CODCOD。④COD。⑤、、。CODSS、。22.13043m3/d3600m3/d2。2Tab．2Designinfluentquantityandquality/m3·d－1/m3·d－1pHSS/mg·L－1COD/mg·L－1BOD5/mg·L－1159220004～6＜500＜2720＜5002322905～6＜500＜17507＜75004764806～8＜50＜200＜602402707～8＜300＜350＜2105035605～6＜1500＜55＜302.2《》GB8978—1996pH6～9COD≤500mg/LBOD5≤300mg/LSS≤400mg/L。2.31。·37·．watergasheat．com3021Fig．1FlowchartofwastewatertreatmentprocessCODpH。CODpH7pH。pHpH7～8。pH。PACPAM。、、。。。。。。。SSpHpH7～8。PACPAM。、。。2.43。3Tab．3Mainstructuresandprocessparameters18m×24．5m×4．5m18h18m×8．06m×4．5m36h18m×4．17m×4．5m12h18m×2．5m×4．5m12h18m×4．86m×4．5m12h10．0m×5．6m20．88m3/m2·h41m×11m×7m21．77kgCOD/m3·d10．0m×5．6m20．88m3/m2·h48m×11m×9m20．11kgBOD5/kgMLSS·d12．0m×5．6m20．61m3/m2·h3．7m×7．45m×6．2m0．85m3/m2·h6m×3．6m×4．0m0．5h12．0m×5．6m0．86m3/m2·d33.1PACPAM0．8～1．8mg/L0．15～0．25mg/L4。。0．6%W/W0．4%W/W。·47·302．watergasheat．com12h6h6hBOD5∶N∶P=200100∶5∶1、。pH5～6．5＜0．5mg/LpH6～92～4mg/L。。5。3.2CODBOD53500～3800mg/L840～890mg/LCOD27．5%87．2%CODBOD590．7%78．7%。CODBOD594%82．3%88%75．8%。COD30%BOD5BOD5B/C0．250．3567。CODBOD5370mg/L184mg/L。SS550～600mg/LSS87．4%。SS85．6%4．1%。SS73mg/L。3.3①。。PAC、PAM。②。H2S。。③。。24h110min。④。a．MLVSS/MLSSb．。a。b4。⑤。。。⑥SV3090%。DO。。3.41156445kW300kW。1．667kW·h/m30．75/kW·h0．801/m33．2/m3102000/·0．18/m320t200/t1．12/m35．5/m3。6～10/m3。4。COD、BOD5SS90．7%、78．7%87．4%COD、BOD5SS370、18473mg/L《79·57·．watergasheat．com302400kg/d2000/t700/t0．51/m311800/·0．07/m3。1．3/m3。4/《》GB8978—1996。、、1．3/m3COD、BOD5。1．J．199615425－2730．2．J．20103711160－162．3．J．200430865－67．4．2011M．2011．1979－。[e-mail]櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆2013－07－0875》GB8978—1996。、。1．J．20122820129－132．2．J．201119490－93．3．、J．201120162－65．4．J．2009354116－119．5．J．201243681－84．6．J．201023563－64．7．J．200624611－14．1987－。[e-mail]2013－07－17·97·．watergasheat．com/302