光合细菌膜生物反应器处理VB12废水的研究

291Vol.29,No.120083JournalofHebeiUniversityofScienceandTechnologyMar.2008:1008-1542(2008)01-0023-04-VB12吴莎(河北科技大学艺术学院,河北石家庄050018):利用光合细菌-膜生物反应器对VB12废水进行处理,经历了反应器的启动和试运行阶段后,对曝气量水力停留时间光合细菌菌种强弱进水COD质量浓度4个影响因素进行了分析结果显示:水力停留时间为35h,试验温度为30e左右,pH值为6~8,溶解氧质量浓度控制在0.5~1.0mg/L范围内,COD去除率可达到90%以上:光合细菌-膜生物反应器;VB12废水;COD;BOD:X172:AResearchonVB12wastewatertreatmentbyusingPSB-MBRWUSha(CollegeofArt,HebeiUniversityofScienceandTechnology,ShijiazhuangHebei050018,China)Abstract:TheexperimentusedPSB-MBRtodegeneratetheVB12wastewater.Aftertheenablementandthemovementofthereactor,wehaveanalyzedsomeaffectingfactorssuchastheaerationquantity,hydraulicdetentiontime,theviabilityofthestrain,theCODconcentrationinwaterentryandsoon.Whenthehydraulicdetentiontimeis35h,theexperimenttemperatureisat30e,thepHvalueofthewastewateris6~8,andthedissolvedoxygeniswithin0.5~1.0mg/L,thedegradationrateofCODcanreach90%.Keywords:PSB-MBR;VB12wastewater;COD;BOD:2007-10-01;:2007-11-23;::(1980-),,,,(photosyntheticbacteria,PSB)[1],,(,),,,,[2](MBR)[3],,[4]-(PSB-MBR),,11.1(R.sphaeroides),VB121.2VB12,,1,表1VB12废水水质表Tab.1CharacterandquantityofVB12wastewaterQ(COD)/(mg#L-1)pHQ(BOD5)/(mg#L-1)Q(SS)/(mg#L-1)Q(NH3-N)/(mg#L-1)12000~220005~65500~12000700~900400~450图1装置及流程Fig.1ExperimentequipmentandprocesspH:pHS-3C[5];Q(COD):[5];Q(SS):[5];Q(DO):1.3-VB12VB12,,,)))),,,,,,50L,1,,2表2膜组件规格参数Tab.2Specificationofmembranemodules/Lm/Lm/Lm/MPa/%/NTU/(m3#d-1)/(m2#-1)/MPa320~35040~500.1~0.212040~500.21.05-0.03~-0.0422.1,VB12(pH6~8,Q(COD)5000mg/L)1B9(),,2.2))))pH6~8[6],30e,COD90%,3~5d,,5.0kg#m-3#d-1,,COD;2420086.0kg#m-3#d-1,COD85.1%3表3反应器运行试验数据Tab.3ExperimentdataofthereactorpHQ(COD)/(mg#L-1)pHQ(COD)/(mg#L-1)pHQ(COD)/(mg#L-1)COD/%/(kg#m-3#d-1)5.6141028.311988.397393.14.55.4145218.112308.2106092.74.65.8142378.612628.7109692.34.76.2146758.713588.6115992.14.95.4152348.214678.3124991.85.05.6148248.315898.4139390.65.16.1146358.517958.5155389.45.35.5150138.619858.5172688.55.56.0143458.720318.9182287.35.66.2145628.921898.8196586.55.85.7147568.324318.5220285.16.05.9162548.435068.5325080.06.76.0186418.650108.6466075.07.5图2COD的去除情况Fig.2DegradationofCODcurve30d:COD14000~16000mg/L,35h,5.0kg#m-3#d-1,COD90%,COD900~1500mg/L,22.32.3.1COD,(DO)3DOCODDO1.25mg#L-1,COD,,,;DO0.25mg#L-1,COD,,,,,,,,DO0.5~1.0mg#L-12.3.2(HRT)COD,,72~96h,PSB,,,,PSBCOD,44,,,COD,COD,,,COD,35h2.3.3251-VB12,,0.1~0.2Lm,0.5Lm,,PSB,,,PSB,,,,,2.3.4CODCODCOD8000~20000mg#L-1,CODCOD5,,COD14000~15000mg#L-1,COD90%,,,PSB,;COD,,,PSB,,,,VB12,COD14000~15000mg#L-1图5进水COD质量浓度及其去除率的变化曲线Fig.5ChangementofCODcurveanddegradationrate31)pH5~6,,pH,pH6~8,,30e2)¹5.0kg#m-3#d-1,,COD;6.0kg#m-3#d-1,COD85.1%º:COD14000~15000mg#L-1,35h,5.0kg#m-3#d-1,COD90%,COD900~1500mg#L-1»VB12COD14000~15000mg#L-13):¹COD,DO0.5~1.0mg#L-1;º,(82)262008,,,/0/0/0;,;,,,,,,[4],,,/0,,,,,,,,,,,,,,,,,,,,,,,,,,,,();,,,,:[1].:)))[J].,2004,(2):49-51.[2],,,.)))[M].:,2003.[3],,.[J].,1997,(10):4-10.[4].-[A].,,,.)))[C].:,,1994.(26),35h;»,,,:[1].[J].,1991,12(2):63-67.[2].[J].,1978,36(9):753-760.[3].[J].,2000,(5):12-19.[4],.[M].:,2004.[5].[M].3.:,1989.[6].[M].:,1991.822008