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当前位置:首页 > 商业/管理/HR > 质量控制/管理 > MBR处理聚乙烯醇废水的试验研究裴义山
3 ,..,1993,(3):23~274 ,..,1992,12(2):36~375 ,..,2000,15(1):35~366 .().:,2002.392~3997 ,,,..,1998,12(2):165~1678 ,...:,1999.206~316 ▲:(0732)8290045 :2004-5-21 MBR裴义山 杨永哲 王 磊 王志盈(, 710055) 理论分析和试验结果表明:采用一体式好氧膜生物反应器(MBR)处理难降解聚乙烯醇有机废水,在pH为7~8,温度为15~29℃,HRT为10~20h,SRT为100d,进水COD为100~600mg/L的条件下,系统出水COD在40mg/L以下,平均为15.5mg/L,COD的平均去除率为90.7%。采用好氧MBR能有效地处理难降解聚乙烯醇有机废水。 MBR 难降解有机物 固体停留时间ResearchontreatmentofPVAwastewaterbyMBRprocessPeiYi-shan,YangYong-zhe,WangLei,WangZhi-ying(SchoolofEnvironmentalandMunicipalEngineering,XianUniversityofArchitecture&Technology,Xian710055,China)Abstract:Bytheoreticanalysis,anopinionisofferedthatmembranebioreactor(MBR)cantreatrefractorywastewaterefficiently.Theexperimentsresultsshowthatpolyvinylalcohol(PVA)wastewaterwhichhasinflowCOD100~600mg/LcanbetreatedbyMBRunderconditionofpH=7~8,T=15~29℃,HRT=10~20handSRT=100d.EffluentwithCODlessthan40mg/L(average15.5mg/L)hasbeenobtained.TheoverallCODremovalrateis90.7%,whichverifiesthefeasibilityofMBRtreatingPVAwastewater.Keywords:MBR;Refractoryorganicsubstance;Solidsretentiontime(02JK137)。0 ,。,,。,(1)[1,2]:θcmin=1Ygvmax-Kd(1)θcmin———,d;Yg———,kgVSS/kgCOD;vmax———,kgCOD/(kgVSS·d); Vol.30 No.11 200453 DOI:10.13789/j.cnki.wwe1964.2004.11.020 Kd———,d-1。(1)θcmin。,,θcmin。,。θc,θc,θcθcmin。,,。,。1 1.1 1。:1 2 3 45 6(1) 7(2) 89 10 11 121 (1),50L。(2),13L,10.4L,,,。(3):()1,0.01μm,0.5~1m2。(4):DZZXU21,1。(5)JYB(714)2,1,1。(6)ZW025081,。1,29。710,811。3,4。,6。12。1.2 (PVA),,。PVA,,BOD/COD0.002[3],。,N,P。pH,NaHCO3,0.16g/gCOD,pH6.5~7.5。1.3 MBR。,,24h,。,、,。MLSS13.286g/L,MLVSS7.068g/L,VSS/SS0.532。200293,20021123,82d。HRT10~20h,SRT100d,15~25℃。2 2.1 PVA,PVA,,。200293,0.02kgCOD/(kgVSS·d),PVA30mg/L,HRT10h。,PVA,PVA20mg/L,PVA20%~30%。5d,PVA0.5mg/L,PVA95%,COD70%。PVA,PVA95%,COD70%,PVA,。5d,[4]14d。,MBR,54 Vol.30 No.11 2004,,。2.2 MBRMBR2,3。2 PVACOD3 PVA2,COD,COD100mg/L,50.3mg/L,COD40mg/L,15.5mg/L。3,PVA15mg/L,5.51mg/L,PVA1mg/L,0.54mg/L。PVA,。2,311d,CODPVA,,,,COD,PVA,COD,PVA,MBR。2.3 CODPVA,COD、PVA,4,5。4,PVA,COD0.15kgCOD/(kgVSS·d),4 COD5 PVA。11dCOD0.35kgCOD/(kgVSS·d),0%,21~23d,COD0.15~0.16kgCOD/(kgVSS·d),,,0.02kgCOD/(kgVSS·d),,20%。,,,20d80%。,COD0.05~0.1kgCOD/(kgVSS·d),85%。PVACOD。PVA,COD0.15kgCOD/(kgVSS·d):PVA[3,4],,PVA,PVA,,,。PVA,PVA,Ca2+,Mg2+,Fe2+,,,。,PVA Vol.30 No.11 200455 ,PVA,,PVA,,。,pH7~8,T15~29℃,HRT10~20h,MBRPVA,COD0.15kgCOD/(kgVSS·d)。2.4 67COD、PVA。,PVA,,;,PVA,COD0.6kgCOD/(m3·d),COD85%。6 COD7 PVA2.5 θcmin,,PVA:Yg=0.3844kgVSS/kgCOD,Kd=0.01d-1,vmax=0.66kgCOD/(kgVSS·d),Ks=507.4mg/L。(1)θcmin=4.11d。。PVA0.66kgCOD/(kgVSS·d)。,PVA,0.15kgCOD/(kgVSS·d),PVAv′max=0.15kgCOD/(kgVSS·d),(1)PVAθ′cmin=20.8d。,PVA,20.8d。,θ′cmin2~4,PVAθc40~80d,,MBR。3 (1)MBRPVA,pH7~8,15~29℃,HRT10~20h,COD100~600mg/L,COD40mg/L,15.5mg/L,COD90.7%,MBR。(2),PVA,4.11d,0.15COD/(kgVSS·d),20.8d,40~80d,。(3)MBR,,COD,MBR,,MBR。参考文献1 .,:,20022 CP·,C..,.:,19893 ,..:,20024 .によるPVAのにする.,1980 ▲:(029)82205425 E-mail:mxy03mail@163.com :2004-2-1856 Vol.30 No.11 2004
本文标题:MBR处理聚乙烯醇废水的试验研究裴义山
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