酒精废水厌氧消化液的处理研究

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1、AbstractABSTRACTPre-aeration，coagulation，SBR,physico—chemicaltreatmentprocesswasconductedforanaerobicdigestioneffluentofalcoholwastewaterinNanyangAlcoholPlant，HenanProvince．AnaerobicdigestioneffluentofalcoholwastewaterwasakindofhighorganicwastewaterwithhighSS，NH3一Nandrefractoryor

2、ganics．AnditsCOD，BOD5，SS，andNH3-Nwere4500---6000mg／L，1800---2600mg／L，150肚2600mg／Land300～600mg／Lrespectively．Thestudiesincluded：(1)Studyonthetreatmentofpre—aerationandcoagulation；(2)StudyonthebiologicalremovalofnitrogenandorganicsinSBR；(3)StudyontheeffluentofSBRbycoagulationandFen

3、tonreaction；(4)Studyonthelawoftransferringanddegradingofthepollutants．Theexperimentalresultsindicatedasfollows．(1)ThetotalremovalefficiencyofCOD，BOD5SS，andNH3-NthroughthewholeprocessWasabove95％，95％，99％，and98％respectively．Technologicallyandeconomicallyitwasfeasibletotreatanaerobic

4、digestioneffluentofalcoholwastewaterwithpre-aeration，coagulation，SBR，physic—chemicalprocess；(2)Whenthepre—aerationtimeWas6haswellasthedosageofFeCbwas100merle，SSandCODofanaerobicdigestioneffluentwereremovedby80％and25％respectively．(3)Theeffluentofpre—aerationandcoagulationwasconduc

5、tedbiologicallybySBR．AimedattheremovaloforganicsaswellasthesludgeloadingWas0．18kgBOD4kgMLSS·d，andtheratioofwaterfillinginSBRWas0．3，theeffluentofCOD，BODsandNH3-Nwere600---700mg／L60---100mg／Landless10mg／LrespectivelyandthecorrespondingrelrlovalefficiencyWas83％，95％and98％respectively

6、．Aimedatremovingorganicsandnitrogenwithenoughcarbonsourceand3hofanoxictimeaswellasthesludgeloadingWas0．29kgBODs／kgMLSS·d，theratioofwaterfillinginSBRWas0．35，theeffluentofCOD，BODs，NI-13-Nandtotalnitrogenwere600N700mg／L，60---100mg／L,less10mg／Land210mg／Lrespectivelyandthecorrespondin

7、gremovalefficiencyWas85％，95％，98％and60％respectively．IIIAbstract(4)TheratioofB／CandCODoftheeffluentfromSBRwasO．12andhigher600medLrespectively．CoagulationandFentonreagentwereusedtotheadvancedtreatmentonthemainrefractorypollutants．TheresultshowedthatwhenthepHofFentonreagentwas3aswell

8、asthedosageofFeS04andH202was450medt,and3