微生物处理机油污染废水研究
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2019-03-22 14:03:09
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微生物处理机油污染废水研究INDUSTRIALWATER&WASTEWATER工业用水与废水V01.33No.62o02微生物处理机油污染废水研究刘勤亚,周海东(中国矿业大学环境与测绘学院,江苏徐州221008)摘要:从油污土壤中筛选分离出两株高效机油降解菌ZL1,ZL2。初步鉴定为黄杆菌属和微球菌属。通过生长条件正交试验测定了温度、油含量和pH值对其降解能力的影响。在废水较高油浓度下进行了降解能力试验,试验表明:经2d左右时间ZL1,ZL2菌对于初始油质量浓度为270mg/L培养液的去除率分别达到67.9%和76.2%,其中ZL2菌对油含量和pH值有较广的适应范围。关键词:机油;含油废水;废水处理;微生物降解;黄杆菌属;微球菌属中图分类号:X703文献标识码:A文章编号:1009—2455(2002)06—0032—03AnExperimentalStudyonMicrobiologicalTreatmentofLubricatingOil-ContaminatedWaterLIUQin—ya,ZHOUHai—dong(CollegeofEnvironmentalandSpatialInformatics,ChinaUniversityofMiningandTechnology,Xuzhou221008,China)Abstract:Twostrainsofhigh—effective,lubricatingoildegradingbacteria,ZL1andZL2,werescreenedoutfromoil—contaminatedsoil,whichwerepreliminarilyidentifiedasflavobacteriunandmicrococcus.Theeffectsoftemperature,oilcontentandpHvalueontheiroil—degradingcapacitiesweredeterminedbyorthogonalexperimentofgrowthconditions.Adegradingcapacityexperimentwascarriedoutwithaninitialwastewateroilcontentof270mg/L.Theexperimentalresultsshowedthattheoil
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