USFB在高浓度制药废水处理工程中的应用赵文杰

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62    Vol.34 No.12 2008USFB在高浓度制药废水处理工程中的应用1  1 1 2,3 4 5(1, 201100;2, 250022;3, 276826;4, 457000;5, 213018)   USFB厌氧工艺是新一代厌氧生物处理技术,具有高负荷、高去除率、投资小、可作为能源净生产等优点。某医药化工厂生产废水具有pH低、CODCr高、成分复杂、色度深、无机盐含量高等特点。采用USFB—深曝—兼氧—A/O—高级氧化—澄清—快滤工艺对其进行处理,工程实践表明,出水CODCr稳定在100mg/L以下,达到《污水综合排放标准》(GB8978—1996)一级标准。 制药废水 USFB 深曝 A/O 高级氧化1 ,,pH、CODCr、、、,500m3/d,,USFB———A/O———,《》(GB8978—1996),1,1,2。1 CODCr/mg/LBOD5/mg/LSS/mg/LNH3—N/mg/LpH2000070002001502~31003070256~9,CODCr。CODCrCODCr300~350mg/L,,0.07/m3。4 (1),HRT15~20h,CODCr10%~30%,0.07/m3。(2)pH(8.5)。,TA。(3)CODCr,。(4)CODCrSS,CODCrSS。。(5)ABRASBR、,,、。参考文献1 ..:,19982 ,,,.UASBEGSB.,2000,6(5):473~4763 ,,,..,1999,12(3):6~94 ChoiE,RimJM.Competitionandinhibitionofsulfatereducersandmethaneproducersinanaerobictreatment.WatSciTechnol,1991,23:1259~1264  ☆:312000422:(0575)88050311,13806757827E-mail:srgsx@126.com:2008-07-28:2008-09-21DOI:10.13789/j.cnki.wwe1964.2008.12.005 Vol.34 No.12 200863   2 1,900m3,HRT32h,WQ80-160A1,1,1000m3,HRT48h,65QW30-402(11),USFB 1,5000m3,HRT240h,2kgCODCr/(m3·d),0.1kgCODCr/(kgMLSS·d),8,12,12,4,4 1,3000m3,HRT144h,1kgCODCr/(m3·d),0.3kgCODCr/(kgMLSS·d),Bqyh,HSR2(11),DO2.5~4mg/L,WQ100-250J2(11) 1,1500m3,HRT72h,0.5kgCODCr/(m3·d),0.38kgCODCr/(kgMLSS·d),Bqyh,HSR2(11),DO0.5~1mg/L,WQ100-250J2(11)A/O 1,3000m3,HRT144h,0.2kgCODCr/(m3·d),0.1kgCODCr/(kgMLSS·d),Bqyh,HSR2(11),DO2mg/L,GJB-6003,WQ100-250J2(11),1,150m3,HRT8h1,500m3,HRT24h,,WQ100-250J11,500m3,HRT24h,,∶∶=1∶1∶1,WQ100-250J11 2 2.1 USFBUSFB,。USFB,,、。,,。,,,;,,,。USFB,:(1)。,,,USFB,,。(2)。,USFB,。(3)。。,。(4)。,,。(5)。,,。2.1.1 USFB。,30%,,。2.1.2 USFB,。,,。42,,,64    Vol.34 No.12 2008,,,;:①,CODCr∶N∶P=200∶5∶1,、,;②,,SO2-4200mg/L,Cl-8000mg/L,200mg/L。USFB,USFB、,,。2.1.3 (1)CODCr。CODCr3000mg/L,77,,500mg/L;CODCr7500mg/L,710,CODCr75%,。USFB,USFB,,;CODCr7500mg/L,,USFB,USFB7500mg/L,,;,。(2)。。,33℃,2℃/d;,,,,45~48℃,50℃;38℃,42℃;,,。(3)pH。pH7.5~8,VFA,pH,。,VFA200~300mg/L,2000~3500mg/L;VFA500mg/L,,,pH;VFA/0.3,VFA,,pH、、,VFA;VFA200mg/L,CODCr75%,。(4)。-350~-300mV,-330mV,,,100mV,、、,,;,;、pH;pH,;pH,;,。(5)。20~40g/L,,20~30kgVSS/m3,40kgTSS/m3。2.2 USFBCODCrVFA、2,2,CODCr3000mg/L,CODCr1800mg/L,151200mg/L,30%70%;5000mg/L2500mg/L,VFA1200mg/L700mg/L,VFA/0.3;VFA/0.3,、pH,,CODCr。2 CODCrVFA、pH3,3,pH,pH。pH7.7 Vol.34 No.12 200865   ,8.1,8.5,,;pH7.7,,pH,,pHpH,CODCr,;。3 pHUSFB,CODCr3。3,CODCr6500mg/L,CODCr1200mg/L,80%;,30g/L,;,H2S,,。USFB,CODCr4。3 CODCr/dCODCr/mg/L/dCODCr/mg/L1471311801648931223246381215175358121934720121018545611974499512461949751110545141250204759118564895121021532811857500012192252401208848321275235478123194864123624558812551048481256255439126511497512472658301248124952125827590012521351241201286000126014519212222961151249155058124730601312554,CODCr7500mg/L,,USFBCODCr7500mg/L,;CODCr1500mg/L,CODCr80%,;,,。4 CODCr/dCODCr/mg/LUSFBUSFB/dCODCr/mg/LUSFBUSFB1928072201350169839760315212933073081402179979757415663996175241485181092575821533495067417148219100497588150759545743614162010110762415166951474721421211083476311520796967518147722117857668151289473750214722312000772015019102507583151424123907783159510108347595157225127337614158211100527599159226121317685156812107807615154327138837707155313985276081513281272677431545141030675911598291330777811561159942758815653013515762915032.3 、A/O(1)。,,,。8~10g/L,SV3050%~75%,DO2~4mg/L,50%。CODCr1300~1600mg/L,1450mg/L,CODCr440~640mg/L,540mg/L,CODCr68%。(2)。,,。2000~4000mg/L,SV3015%~30%,DO0.5~1.0mg/L,50%。CODCr210~350mg/L,280mg/L,CODCr50%。(3)A/O。,66    Vol.34 No.12 20081~2.5g/L,SV3010%~20%,DO2mg/L,100%~200%。CODCr140~220mg/L,180mg/L,CODCr37.5%。(4)。,,,。,,CODCr100mg/L,GB8978—1996。3 20084~7,5。5 CODCr/mg/LBOD5/mg/L/mg/LSS/mg/LpH20080423450118501362502.81364258001051807.2USFB359517001843307.8A/O37190241207.61253013507.2952511307.320080521466108001442302.21273063501201657.1USFB310015501663007.8A/O3438522907.41202514507.0962210257.22008061870093501562002.51012550601251507.7USFB253012701442757.3A/O2888021807.31074018607.4902015307.120080725401127001471802.11315565701301407.8USFB323016101551907.2A/O355752610081103020757.5952518507.34 (1)USFB,20%~30%5~10kgVSS/m3;,VSS20~40kg/m3,100~150mL/g。,,(),。,BOD/COD;,CODCr75%,VFA、。(2)USFB,,CODCr,,,。。,pH、CODCr、SS、、VFA、,pH、;、,、,。(3),UAFB———A/O—,CODCr95%,CODCr100mg/L,A/O,NH3—N85%。《》(GB8978—1996)。(4)7.937/m3,3.097/m3,3.64/m3,0.7/m3,0.5/m3。参考文献1 ,..:,20042 ..:,20063 ..:,20074 ,..:,20075 ..:,20006 ,..:,20037 ,,..:,2001  ☆E-mail:zgshzwj@163.com:2008-08-05:2008-09-12

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