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UASB//郑 俊1,2, 张 刚1, 王 健2, 刘光春2(1.安徽工业大学环境工程系,安徽马鞍山243002;2.马鞍山市华骐环保科技发展有限公司,安徽马鞍山243002) : 介绍了UASB/水解酸化/曝气生物滤池工艺在聚酯废水处理中的应用,并进行了工艺参数的选择和运行效果的分析。结果证明,当进水COD、BOD5浓度分别为(1~1.2)×104mg/L和3450~4200mg/L时,处理出水COD≤150mg/L,BOD5≤30mg/L,能够达到《污水综合排放标准》(GB8978—1996)的二级排放标准。 : 聚酯废水; UASB; 水解酸化; 曝气生物滤池:X703.1 :C :1000-4602(2007)10-0050-05ApplicationofUASB/HydrolyticAcidification/BiologicalAeratedFilterProcessinTreatmentofHigh-concentrationPolyesterWastewaterZHENGJun1,2, ZHANGGang1, WANGJian2, LIUGuang-chun2(1.Dept.ofEnvironmentalEngineering,AnhuiUniversityofTechnology,Ma'anshan243002,China;2.Hi-KylinEnvironmentProtectionSTDevelopmentCo.Ltd.,Ma'anshan243002,China) Abstract: TheapplicationofUASB/hydrolyticacidification/biologicalaeratedfilterprocessintreatmentofpolyesterwastewaterwasintroduced,andtheselectionofprocessparametersandtheanalysisofrunningeffectwerecarriedout.TheanalysisresultshowsthattheinfluentCODandBOD5concentra-tionsare10000to12000mg/Land3450to4200mg/Lrespectively,theeffluentCODandBOD5areequaltoorlessthan150mg/Land30mg/L.Theeffluentqualitycanachievethesecondclassrequire-mentofIntegratedWastewaterDischargeStandard(GB8978-1996). Keywords: polyesterwastewater; UASB; hydrolyticacidification; biologicalaeratedfilter1 设计水量、水质1.1 (PTA),。,、、,、、。N、P,pH,,、,,COD(1~1.2)×104mg/L,(3~4)×104mg/L,6×104mg/L,60℃,,。BOD5/COD0.3,。·50·第23卷 第10期2007年5月 中国给水排水CHINAWATERWASTEWATER Vol.23No.10May2007,。1.2 、、1。1 、Tab.1 Wastewaterquality,quantityandeffluentstandardpHCOD/(mg·L-1)BOD5/(mg·L-1)/(m3·d-1)4.5~610000~120003450~4200206~7250070015735015086~9≤150≤302 废水处理工艺的选择及设计参数,。UASB,(BAF)。2.1 1。1 Fig.1 Flowchartoftreatmentprocess1#,,1#NaOH,,pH7.5。UASB,70%,,B/C,。UASB1#BAF。、、BAF2#,,,,40%CODSS,2#3#BAF,BAF,。2.2 2。2 Tab.2 Designparametersofstructures/21#:,;2#:1#BAF、、3BAF1#:2.5m×2m×4.3m,17.5m3,HRT21h;2#:3m×2.5m×4.3m,24m3,HRT13h,1#,(NH4)3PO4NaOHUASB1CH4,COD75%,BOD570%,SS70%;4.5m×3m×7.2m,90m3,HRT4.5d,,1#BAF1UASBSS3m×2m×5.8m,24m3,HRT28h,,4m,4~6mm1,3m×2.5m×7.2m,51m3,HRT28h,,,2#、3#BAF2SS2#BAF:3m×3m×6.4m,36m3,HRT20h;3#BAF:3m×3m×6.4m,30m3,HRT17h,,2#BAF4m,3#BAF3.2m,3~5mm13m×3m×5.9m,42m3·51·郑 俊,等:UASB/水解酸化/曝气生物滤池处理高浓度聚酯废水第23卷 第10期3 运行结果及分析3.1 20051,1,。2d,,COD3000mg/L,,。,50%,UASB。,UASB。UASBCOD3000~4000mg/L,,C∶N∶P=200∶5∶1,。,2h0.5h。8m3/d,,,0.3kgCOD/(m3·d),3~6d,COD70%,。UASB,,,、pH,,。2#,COD1000~2200mg/L,,,N、P,B/C≈0.35。,30%COD。BAF,、。,BAF,,,,1/d,50%。9d,,。3.2 UASB2UASBCOD。2,1~11,COD800~1500mg/L,COD40%~50%,UASB。12~19COD3000mg/L,,COD900~1300mg/L,48%~60%,。20,6d,65%,,。40d,COD7200mg/L,45%~55%,,,COD,5060%。,60%~70%。80,UASB,COD70%。2 UASBCODFig.2 RemovaleffectofCODinUASBUASB:① CODUASB。,COD5000mg/L,COD,。,,。SS,,。② 。40d,25℃COD3000~4000mg/L,1400~1600mg/L,53%;35℃,COD5800~6500mg/L,2000~2800mg/L,60%。,,,。,40℃。③ pH。NaOHpH,·52·第23卷 第10期 中国给水排水 ≈5,,,pH8,pH6.5~7,。pH6.8~7.2,pHUASB。④ N、P。,,,C∶N∶P=200∶5∶1,。3.3 3COD。3 CODFig.3 RemovaleffectofCODinhydrolysissedimentationtank ,COD35%,47.2%,。,,15g/L,;(HRT)28h,,。SS,,BAF;pH,pH;25~35℃,COD35%,。HRT。,HRT24hCOD,。HRT=28h,COD35%。3.4 11。BAF,BAF,7—113。3 BAFTab.3 RemovalratesofpollutantsinBAFCODBOD5/(mg·L-1)/(mg·L-1)/%/(mg·L-1)/(mg·L-1)/%/(m3·m-2·h-1)COD/(kg·m-3·d-1)BOD5/(kg·m-3·d-1)1#BAF734691794481053486530.181.810.6120∶182847126755846292650.111.040.3715∶1930741519501024393610.151.400.5718∶1103145155450968404580.141.340.4717∶1112949141452903351610.171.570.5619∶12#BAF7107531570516103790.241.090.596∶18124626978541108800.171.000.444∶199853046946793800.210.860.475∶110112832571508101800.180.870.444.5∶111107530671501102790.231.060.555.5∶13#BAF73151136310724770.240.350.154∶1826994658923730.170.210.122.5∶19304116619327700.210.280.123∶1103151036710128710.180.280.132.5∶1112961106211331720.230.310.153.5∶1·53·郑 俊,等:UASB/水解酸化/曝气生物滤池处理高浓度聚酯废水第23卷 第10期 3:① 1#BAF、3#BAFB/C0.3~0.35,,,,1#BAFHRT28h,3#BAF17h,1#BAFCODBOD53#BAF,;2#BAFB/C0.45~0.5,,B/C,2#BAF。② ,1#BAF0.15m3/(m2·h),COD1.43kgCOD/(m3·d),BOD50.5kgBOD5/(m3·d);2#BAF0.2m3/(m2·h),COD1.0kg-COD/(m3·d),BOD50.5kgBOD5/(m3·d);3#BAF0.2m3/(m2·h),COD0.3kgCOD/(m3·d),BOD50.14kgBOD5/(m3·d)。③ ,,;BAF,。1#BAF18∶1、2#BAF5∶1、3#BAF3∶1,1#、2#、3#BAFDO5.5、3.7、4.2mg/L,。④ ,BAF,300~400μm[1],SS,。,1#BAF1d,2#BAF3#BAF5~7d。,10~15m3/(m2·h),50~60m3/(m2·h),10~15min。1#BAF,UASB,;,,。2#、3#BAF,,,,SS,。4 技术经济分析① 50.38,()15.18,27.7,7.5。② :3,1.5/(·a),14%,5.13,3.27。③ :10.5kW·h,0.30/(kW·h),1.76。④ :50,25,14116/a,0.90;1%,0.18。⑤ :②~④10%,0.61。5.82/m3,6.72/m3。5 结论① ,UASB//,COD150mg/L,BOD530mg/L,GB8978—1996,,。② UASB,COD12000mg/L、HRT4.5d,COD70%,,。③ COD35%,BOD5/COD0.350.45,。④ ,,,,,。:[1] ,,.[M].:,2002.:(0555)2763188E-mail:zhengjun6642@163.com:2006-06-23·54·第23卷 第10期 中国给水排水
本文标题:UASB水解酸化曝气生物滤池处理高浓度聚酯废水郑俊
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