UASB两级AO组合工艺治理天然橡胶废水的研究熊代群

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StudyonnaturalrubberwastewatertreatmentbyUASB-twoA/OprocessXiongDaiqun1,2,WangQunhui1,JiangJusheng2,LiuHuicheng3(1.SchoolofCivilandEnvironmentEngineering,UniversityofScienceandTechnologyofBeijing,Beijing100083,China;2.ResearchandDevelopmentCenterofScienceandTechnology,HainanNaturalRubberIndustryGroupCo.,Ltd.,Haikou570206,China;3.HuiyangWastewaterTreatmentPlant,Huiyang516211,China)UASB—A/O1,2,1,2,3(1.,100083;2.,570206;3.,516211)[]NH3-N,()、、,COD5800mg/L,NH3-N220mg/L。UASB+A/O。,UASB,HRT23h,COD62%;A/O,HRT32h,NH3-N90%。,UASBA/ONH3-N,《》(GB8978—1996)—。[];;A/O(/);[]X703.1[]B[]1005-829X(2009)08-0049-04Abstract:Highlyconcentratedorganicwastewatercontainingammonia-nitrogenisdischargedfromnaturalrubbermakingprocess.Thiskindofwastewaterconsistsofconcentratedlatexwastewater,RSSwastewaterandstandardrubberwastewaterandsoon.Aftervariouswastewatersaremixed,itsCODisabout5800mg/L,andNH3-Nisabout220mg/L.ThecombinedprocessUASB+twoA/Ohasbeenusedfortreatingthenaturalrubberwastewater.TheresultsshowthatwhenHRTis23hinUASBpond,theCODremovalratereaches62%,andwhenHRTis32hinthetwoA/Oponds,theNH3-Nremovalrateisabove90%.Therefore,itisfeasibletotreatnaturalrubberwastewatercontaininghighlyconcentratedammonia-nitrogenbycombinedprocessofUASBpondwithtwoA/Opondsandprecipitationpondprocessefficiently,andtheeffluentwaterqualitymeetstheFirstGradeStandardofIntegratedWastewaterDischarge(GB8978—1996)ofChina.Keywords:rubberwastewater;up-flowanaerobicsludgebed;two-stageanaerobic/oxic;precipitationpond;ammonia-nitrogen。、。NH3-N。,,,。87,,,,,,,。2004,8713,2006、。,。BOD5/CODCr0.6~0.7〔1〕,。—,,〔2〕。2090,,29820098IndustrialWaterTreatmentVol.29No.8Aug.,200949——2009-08,29(8)2009-08,29(8),NH4+-N,NO2--N,NH4+-NNO2--NN2,〔2〕。M.S.Jetten〔3〕1999。,—,84%〔2〕。A/OA,B。,COD,,,。UASB+A/O+,。1()、、。,,NH3-N,COD、S2-、TP,SS,pH,。〔《》(GB8978—1996)〕1。1:(1),,。(2),。(3)COD,,UASB。(4),NH3-N130mg/L,,≥7d,80%〔4〕。(5)S2-,,,UASBCOD。(6)SS,,,。(7)CODNH3-N,UASB+/,UASB+A/O,。(8)TP,—,TP—。22.1:4300L3150L,4300L。1150L,,2150L。2300LUASB。:22300L,22300L,。2,2。2.2,,pH7,COD6200mg/L,NH3-N300mg/L,S2-41mg/L。2.3,,。2.4COD;NH4+-N;S2-;TP;BOD。2.51。33.1UASBUASB,,,COD。NH3-N,。UASB,,1CODNH3-NpHBODS2-TPSS+87614204~552504133450128422504~56412565345017506071085163400≤100≤156~9≤30≤1≤1≤70:pH,mg/L。50——2009-08,29(8)2009-08,29(8)SV30=5%,m(C)∶m(N)∶m(P)=100∶5∶1,,。,HRT24.6h,pH7.0~7.7,7d,,。,UASBHRT,2。2,HRT15h,NH3-N,32%;HRT23h,NH3-N50%。COD,,UASBCOD,60%,UASBHRT23h。3.2A/OA/O,,。,、BOD。,、。(1)~(4)::NH4++1.5O2→NO2-+2H++H2O(1)NO2-+0.5O2→NO3-(2):NO2-+3H→0.5N2+H2O+OH-(3)2NO3-+10H→N2+4H2O+2OH-(4)A/O,。,—,NH3-N,。A/O,,SV30=5%,m(C)∶m(N)∶m(P)=100∶5∶1,,。,HRT24h,R=50%,pH7.0~7.7,、DO≤0.5mg/L,0.5mg/L≤DO≤1.5mg/L,1.5mg/L≤DO≤3.5mg/L。、,,。7d,,,COD、NH3-N91%、79%,COD3500mg/L310mg/L;NH3-N215mg/L45.6mg/L。,A/OHRT24h,COD、NH3-N,,HRT,A/OHRTCOD、NH3-NTP。3。3,A/OHRT32h,COD、NH3-N、TP,98%、92%、92%。HRT36h,COD、NH3-N、TP。HRT36h,,。,,A/OHRT32h。4,,。4。4,,《》GB8978—1996。5(1)UASB+A/O+,,。2UASBHRTCODNH3-NHRT/h159326455151.244229732.7199356387358.643626040.3239326350062.142621549.6319425302167.945119756.4COD/(mg·L-1)COD/%NH3-N/(mg·L-1)NH3-N/%3A/OHRTCOD、NH3-NTPHRT/hCOD/(mg·L-1)COD/%NH3-N/(mg·L-1)TP/(mg·L-1)TP/%241219533.81.8785281139628.01.258932579813.00.83923633995.00.729380839297NH3-N/%pHCOD/(mg·L-1)BOD/(mg·L-1)NH3-N/(mg·L-1)S2-/(mg·L-1)TP/(mg·L-1)SS/(mg·L-1)14.297.1193087233202335613420.8480.654504225.217.5389766131231632111450.7450.814323835.147.6092567532261833410470.8470.73389364UASB+A/O+,:UASB—A/O51———————————————————————————————————————————————(2)COD6200mg/L,NH3-N300mg/L,UASBHRT23h,COD62%,HRT,COD,;A/OHRT32h,COD98%,NH3-N92%。(3),UASBCOD,COD。(4)A/O,NH3-N,NH3-N170mg/LNH3-N。—NH3-N。[][1],.[J].,2002,21(3):52-55.[2]JettenMS,StrousM,vandePas-SchoonenKT,etal.Theanaerobicoxidationofammonium[J].FEMSmicrobiol.Rev.,1998,22(5):421-437.[3],,,.—[J].,2006,27(9):1776-1780.[4].[M].:,1990:189-254.[](1978—),2000,。:13687530976,E-mail:watercon@163.com。[]2009-05-11()ResearchonthetoxicitytestsfortreatingpenicillinwastewaterbyanaerobicdigestionHuXiaodong,LiangXiaomei,FanJianjun,LiRunqi,ZhenQiuhui(SchoolofCivilEngineering,GuangzhouUniversity,Guangzhou510006,China),,,,(,510006)[]、、。,1231SO42-。,1231<200mg/L,SO42-<1000mg/L。[];;[]X703.1[]B[]1005-829X(2009)08-0052-04Abstract:Bymeansofmonomertest,repetitiontestandrelativeactiontest,theeffectofthesuppressivesubstancesintheanaerobicdigestionprocessofpenicillinwastewateranditsconcentrationonthetreatmentefficiencyhasbeeninvestigated.Theresearchindicatesthatthesuppressivesubstancesintheanaerobicdigestionprocessofpenicillinwastewateraremainlyde-emulsifier1231andSO42-.Whenanaerobicbiologicalmethodisusedfortreatingpenicillinwastewater,theinfluentwatermassconcentrationofde-emulsifier1231andSO42-shouldbelessthan200mg/Land1000mg/L,respectively.Keywords:penicillinwastewater;anaerobicdigestion;suppressivesubstances,。11.1500mL,36℃29820098IndustrialWaterTreatmentVol.29No.8Aug.,200952——

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