复合型生物絮凝剂对水源水浊度和色度的去除效能
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2020-03-21 11:42:18
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第26卷第5期2016年9月黑龙江科技大学学报JournalofHeilongjiangUniversityofScience&TechnologyVo1.26No.5Sep.2016复合型生物絮凝剂对水源水浊度和色度的去除效能李立欣,邢洁。,马放,战友,朱亚威(1.黑龙江科技大学环境与化工学院,哈尔滨150022;2.哈尔滨工业大学城市水资源与水环境国家重点实验室,哈尔滨150090;3.黑龙江省环境科学研究院,哈尔滨150056)摘要:为探讨影响复合型生物絮凝剂CBF处理水源水效能的因素,通过烧杯实验,考察了CBF投加量、助凝剂CaC1投加量、pH和温度对水源水浊度、色度的去除效率。结果表明:CBF适合处理pH为中性及弱碱性的水源水,温度对去除效果影响不大,适当HA-助凝剂有助于提高絮凝效率。在最佳条件下,CBF对水源水浊度及色度的去除率分别达到93.05%和78.57%。综合去除效果及成本因素,CBF投加量为8.0mg/L、助凝剂CaC1,为1.0mIML、pH为7.0~8.0、温度为4~20℃时。浊度及色度去除效果最佳。关键词:复合型生物絮凝剂;水源水;效能;浊度;色度doi:i0.3969/j.issn.2095—7262.2016.05.011中图分类号:TU991.2文章编号:2095—7262(2016)05—0524—04文献标志码:ARemovalefficiencyofturbidityandchromainwatersourcebycompoundbioflocculantLiLixin,Xingfie。,MaFang,ZhanYou,ZhuYawei(1.SchoolofEnvironmental&ChemicalEngineering,HeilongjiangUniversityofScience&Technology,Harbin150022,China;2.StateKeyLaboratoryofUrbanWaterResource&Environment,HarbinInstituteofTechnology,Harbin150090,China;3.HeilongjiangProvincialResearchInstituteofEnvironmentalSciences,Harbin150056,China)Abstract:Thispaperseekstoexplorethefactorsgoverningtheeficiencywithwhichcompoundbio—flocculanttreatstheturbidityandchromainsourcewater.TheexplorationlooksattheeffectsofCBFdos—age,coagulationaidCaC12dosage,andpHandtemperatureontheremovaleficiencyofturbidityandchro-mausingjartest.TheresultsdemonstratethatCBFworksbetterforthetreatmentofwatersourcewithneu—tralandweakalkalinepH,atreatmentinwhichtemperaturehaslittleeffectontheremovalefficiency,andfeaturesanimprovedflocculationeficiencyifthereisanappropriateadditionofthecoagulantaid.Giventheoptimumremovalconditions,CBFboaststhemaximumremovalrateof93.05%and78.57%respec—tivelyforturbidityandchroma.ThecomprehensiveconsiderationoftheremovaleficiencyandcostfactorspointstotheoptimalturbidityandchromaremovaleficiencyinthepresenceofCBFdosage8.0mg/L,co—agulantaidCaC121.0mI/L,pHvalue7.0~8.0,andtemperaturerange4~20qC.Keywords:compoundbiofloeculant;drinkingsourcewater;eficiency;turbidity;chroma收稿日期:2016—06—20基金项目:国家自然科学基金项目(51408200;51478140;51678222);哈尔滨市科技创新人才研究
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