饮用水源突发柴油污染的隔油-吸附应急处理技术中试研究-王新刚
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2020-02-02 09:53:12
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收稿日期:2011-09-08基金项目:国家“十一五”863计划项目(2008AA06A412)通信作者:王新刚(1978—),男,博士,讲师.E-mail:hofs@163.com饮用水源突发柴油污染的隔油/吸附应急处理技术中试研究王新刚1,2,刘学卿1,陈芳艳1,唐玉斌1,崔钊3(1.江苏科技大学生物与化学工程学院,江苏镇江212018;2.东南大学环境工程系,南京210096;3.天津工业大学环境与化学工程学院,天津300387)摘要:以黄浦江上游水源地突发柴油污染为背景,模拟上海松浦原水厂工艺,进行中试研究,重点考察了围隔/吸油棉拦截、粉末活性炭(PAC)吸附对突发油污染源水的实际处理效能.结果表明:针对超标倍数5、10、50和100倍的突发油污染,围隔与吸油棉具有较好的去除效果.5、10倍的油污染水平下,围隔和吸油棉可近100%的拦截柴油;而50倍和100倍污染水平下,经围隔和吸油棉处理后剩余6倍和10倍.高超标倍数油污染经围隔和吸油棉拦截后,投加粉末活性碳(PAC)可使出水接近标准值.超标50倍,投加5mg/LPAC,调压池出水平均浓度为0.18mg/L,剩余柴油浓度超标3.60倍,柴油总去除率为92.7%;当PAC投加量增至15mg/L时调压池出水降至0.05mg/L,达到标准限值.柴油超标100倍,PAC投加量30mg/L时,调压池出水平均浓度0.07mg/L,接近标准限值,柴油总去除率达98.7%.中试结果表明:围隔和吸油棉拦截、PAC吸附是水源水突发油污染的有效应急措施.关键词:饮用水源;突发污染;隔油/吸附;应急处理;柴油;围隔;粉末活性炭中图分类号:X522文献标志码:A文章编号:1671-024X(2011)06-0039-04Pilot-scalestudyonemergencytreatmentofaccidentaldieselpollutionofdrinkingsourcewaterbycofferdam/absorptionprocessWANGXin-gang1,2,LIUXue-qing1,CHENFang-yan1,TANGYu-bin1,CUIZhao3(1.SchoolofBiologyandChemicalEngineering,JiangsuUniversityofScienceandTechnology,Zhenjiang212018,China;2.DepartmentofEnvironmentalEngineering,SoutheastUniversity,Nanjing210096,China;3.SchoolofEnvironmentandChemicalEngineering,TianjinPolytechnicUniversity,Tianjin300387,China)Abstract:SimulatingthewatertreatmentprocessinShanghaiSongpurawwaterplant,thepilot-scaletestisinvestigatedontheemergencytreatmentefficienciesofdieselbycofferdam,cofferdam/oil-absorptivecottonandpowderactivatedcarbon(PAC)adsorption,inthebackgroundofdieselpollutionsuddenlyoccurringinHuangpuupriversourcewater.Theexperimentresultsshowthat:Thecofferdamandoil-absorptivecottoncouldwellremovethedieseloilwhentheinitialdieselconcentrationexceedsstandardvalue5,10,50,and100times.Thecofferdamandoil-absorptivecottoncouldremovethe100%dieselwhentheinitialdieselconcentrationexceedsstandardvalue5,10times.Totheinitialdieselconcentrationexceedstandardvalue50,100times,thecofferdamandthecottoncouldremovedieseltillexceedstandardvalue6,10times.PACcanenhancetheremovalrateofdieselnotably.Afterinterceptedbycofferdamandoil-abso
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