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《制药园区难降解尾水强化预处理试验研究-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、Ve1.4.No.5环境工程技术学报第4卷,第5期Sep.,2014JournalofEnvironmentalEngineeringTechnology2014年9月文章编号:1674—991X(2014)05—0373—05制药园区难降解尾水强化预处理试验研究李魁,林齐,宋永会,郭新超,杨鹏程1.环境基准与风险评估国家重点实验室,中国环境科学研究院,北京1000122.中国环境科学研究院城市水环境科技创新基地,北京1000123.西安建筑科技大学环境与市政工程学院,陕西西安710055摘要:针对可生化
2、性极差的制药园区难降解尾水,分别采用单独活性污泥吸附、单独O。氧化及活性污泥吸附+O联合氧化3种方法进行预处理,并对试验参数进行了优化。结果表明,单独活性污泥吸附法对有机物具有一定去除能力,但不能有效提高废水的可生化性;单独O,氧化法和活性污泥吸附+O,氧化法对有机物去除效果明显,废水可生化性得到显著提高。采用联合法进行预处理,其COD去除率可达37.90%,废水的BeD/CODc从0.020提高到0.141,且其处理成本更为经济。关键词:制药园区尾水;活性污泥吸附;O氧化;预处理中图分类号:X703.1
3、文献标识码:Adoi:10.3969~.issn.1674-991X.2014.05.060StudyonIntensivePretreatmentofRefractoryPharmaceuticalParkTailWaterLIKui,,一,LINQi,SONGYong.hui,GUOXinchao,YANGPeng.cheng,,1.StateKeyLaboratoryofEnvironmentalCriteriaandRiskAssessment,ChineseResearchAcademyofEn
4、vironmentalSciences,Beijing100012,China2.DepartmentofUrbanWaterEnvironmentalResearch,ChineseResearchAcademyofEnvironmentalSciences,Beijing100012,China3.SchoolofEnvironmentalandMunicipalEngineering,XianUniversityofArchitectureandTechnology,Xian710055,China
5、Abstract:Consideringthepoorbiodegradabilityoftherefractorypharmaceuticalparktailwater,activatedsludgeadsorption,O3oxidationandadsorptionofactivatedsludgecoupledwithO3wereseparatelyusedtopre—treatpharmaceuticaltailwater,andthetestparameterswereoptimized.Th
6、eresultsshowedthatseparateactivatedsludgeadsorptionmethodhadacertainabilitytoremoveorganicmatter,butitcouldnotefectivelyimprovethebiodegradabilityofthewastewater;boththeCODcremovalefficiencyandthebiodegradabilityofwastewaterweregreatlyimprovedbyO3oxidatio
7、nandadsorptionofactivatedsludgecoupledwithO3.Itwasverifiedthatactivatedsludgecoupledwith03processwasanefectivepretreatmenttechnology,theCODcremovaleficiencycouldreach37.90%,andthebiodegradabilitywasgreatlyimproved,withBeD5/CODcincreasingfrom0.020to0.141,a
8、nditsprocessingcostismoreeconomica1.Keywords:pharmaceuticalparktailwater;activatedsludgeadsorption;O3oxidation;pre—treatment制药园区尾水成分复杂、毒性大、色度高,且含素C等药品发酵、提取、洗罐等生产过程。废水经难生物降解物质较多、水质水量变化大,是难处理的过园区内污水处理厂的各级物理一化学处理后,仍工业废
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