您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 质量控制/管理 > MBBR处理回用高温聚氯乙烯母液废水的研究刘天顺
Vol.35 2009247 MBBR刘天顺1 黄 鹏2 秦松岩3(1, 300051;2, 300074;3, 300191) 采用小试规模的移动床生物膜反应器(MBBR)处理高温聚氯乙烯(PVC)母液废水,试验结果表明,在反应器进水温度为30~60℃、设计流量为12L/h、HRT14h时,出水CODCr≤30mg/L,温度对MBBR水处理系统净化功能存在着一定的影响。 聚氯乙烯母液 移动床生物膜反应器(MBBR) 高温 (PVC),[1];PVC、(60~70℃)、(CODCr100~350mg/L),,[2,3]。(MBBR)、[4,5],,,[6~8],。MBBR30~60℃PVC,MBBR。1 1.1 PVCPVC,PVC2000m3/d,65~70℃。PVC1。1,PVCCODCr,TP,,pH,,,,(BOD/COD0.1~0.3)。1.2 1。,。PVC,MBBRs。MBBRs、。MBBR,0.17m3。20%(V/V),HRT14h,12L/h。。1 PVCpH6.5~8.5VCM/mg/L84CODCr/mg/L100~350/%0.007SCOD/mg/L100~300PVA/%0.001BOD5/mg/L10~30HPMC/%0.002NH3—N/mg/L7~16/%0.003/NTU60~100/%0.002TP(P)/mg/L/%—SS80~160/%0.015Mg2+/mg/L8.424,4-/%0.008Ca2+/mg/L3.24/%—pH6~91 ,。1.3 ,1/2,6L/h,,HRT28h。5d,。PVCCODCr70%,。30℃60℃,2~5℃,,5~10d,。24h,DO2mg/L。,55℃、45℃、35℃,、HRT、,,DOI:10.13789/j.cnki.wwe1964.2009.s2.009248 Vol.35 2009。1.4 CODCr、NH3—N、TP、SS。DO;pHpHS-30pH;SSVSS,SSVSS;TOCTOC-VCPH(SSM-5000A);OLYMPUSBH2。2 2.1 CODCr55℃,45℃,35℃CODCr2。2CODCr,45℃,CODCr28.23mg/L,35℃CODCr(49.27mg/L)42.70%,55℃CODCr52.71%。35℃、45℃、55℃CODCr67%、82%、62%。45℃20~30℃,,。40℃CODCr,,,。2 CODCr2.2 3。3,,MBBR。25~45℃,MBBR5NTU。,,,,,。45~55℃,MBBR5NTU,。,,,[9]。,。60℃MBBR,,,。3 2.3 NH3—NTP2,,TP,35℃,TP,。40℃TP。25℃91.8%,60℃36.34%,TP。2 NH3—NTP/℃NH3—N/mg/LNH3—N/mg/LTP/mg/LTP/mg/L357.305.200.323.333810.106.500.470.46408.627.210.570.58428.515.900.450.41459.809.700.450.464814.9014.900.480.425011.0310.220.510.605212.4012.160.290.335512.1012.350.610.605812.5012.180.380.39609.7010.090.550.56 35℃,,35℃,,,55℃,52.69% Vol.35 2009249 。45℃60℃,25%,。,35℃,NH3—N。2.4 PVCMonodPVC。MBBR,,Monod(1)。(1)(2),kKS,nMa/[Q(S0-Se)]1/S。Q=288L/d,HRT=14h,,nMa,SCOD-SCOD,,4,20℃MBBRk=6.53,KS=67.01。U=Q(S0-Se)nMa=kSKS+S(1)1U=nMaQ(S0-Se)=KSk1Se+1k(2)4 20℃MBBRPhelps:kT=k20θ(T-20)(3)θ1、θ2、θ3θ4,k,5。5,30℃,,,30℃,,,。3 MBBR。PVC,,5 k30~45℃,CODCr;MBBR、。,35~55℃,20~30℃。参考文献1 ..,2000,18(5):20~222 ..,1999,(1):33~353 ,,..2005,(9):43~454 ,,,..,2000,13(3):47~49,535 MoriT,SakimotoM,KagiT,etal.IsolationandCharacterizationofaStrainofbacillusMegateriumThatDegradesPoly(vinylalco-hol).BiosciBiotechBiochem,1996,60(2):330~3326 LeeJA,KimaMN.Isolationofnewandpotentpoly(vinylalco-hol)degradingstrainsandtheirdegradationactivity.PolymerDegradationandStability,2003,81(2):303~3087 KimBC,SohnCK,LimSK,etal.Degradationofpolyvinylalco-holbySphingomonasspSA3anditssymbiote.InternationalJour-nalofDairyTechnology,2003,30(1):70~748 MatsumuraS,TokiA,NishikawaK,etal.Novelpoly(vinylalco-hol)-degradingenzymeandthedegradationmechanism.Macro-molecules,1999,(32)23:7753~77619 Giraldo-GomezE,GoodwinS,SwitzenbaumMS.Influenceofmasstransferlimitationsonofthehalfsaturationconstantforhydrogenuptakemixed-cultureCH4-producingenrichment.Bio-technolBioeng,1992,768~776 ☆:239:(022)27815311-2409E-mail:liutianshun1975@126.com:2009-11-19
本文标题:MBBR处理回用高温聚氯乙烯母液废水的研究刘天顺
链接地址:https://www.777doc.com/doc-6538241 .html