含油废水降解菌的筛选及其除油能力实验
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2019-03-31 15:25:14
文档简介:
含油废水降解菌的筛选及其除油能力实验第33卷第6期(总第195期)2011年11月三峡环境与生态EnvironmentandEcologyintheThreeGorgesVO1.33No.6(Sum.No.195)NOV.2011含油废水降解菌的筛选及其除油能力实验罗晓娟,姜鹏,侯明明,李川(重庆工商大学废油资源化技术与装备教育部工程研究中心,重庆400067)摘要:从含油废水中筛选出一株以柴油为唯一碳源的除油菌,实验分析了温度、pH、氮源浓度对其降解率的影响。结果表明该除油菌的最佳生长条件为:温度3O℃、pH7.0、氮源浓度1.5g/L,在此条件下,振荡培养7天,除油菌的降解率为56。关键词:石油降解;分离筛选;降解率;影响因素中图分类号:X703文献标识码:A文章编号:1674—2842(2011)06—0020—03DegradableBacteriaScreeningandItsDegradabilityforOil-ContainingWaterLUOXiao—juan,JIANGPeng,HOUMing—ruing,LIChuan(EngineeringResearchCenterforWasteOilRecoveryTechnologyandEquipment,ChongqingTechnologyandBusinessUniversity,Chongqing400067.China)Abstract:Petroleumdegradablebacteriastrainwasscreenedfromoi1一containingwaterbyemployingdieselasthesolecarbonsource.Threepetroleumeliminatingfactorsincludingtemperature,pHvalueandtheconcentrationofNsourcewereexperimented.Theoptimalcultureconditionwasthatthetemperaturewas3O℃,pHvaluewas7.0,andtheconcentrationofNsourcewas1.5g/L.Underthiscondition,thedegradationratioreached56after7-daydegradat
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