氯碱工业PVC离心母液废水处理工程设计与运行

2020/3/7氯碱工业PVC离心母液废水处理工程设计与运行https://x.cnki.net/read/article/xmlonline?filename=HHGZ201908043&tablename=CJFDTOTAL&dbcode=CJFD&topic=&fileSourceType=1&taskId=…1/5煤炭与化工,2019,08,153-156氯碱工业PVC离心母液废水处理工程设计与运行DesignandoperationofPVCcentrifugewastewatertreatmentprojectinchlor-alkaliindustryLiuCongbinZhangChengshuaiLiuJunZhuYafeiZhaoWenwenHenanBranchJiangsuRainfineEnvironmentalScienceandTechnologyCorportationLtd.HenanInstituteofScienceandEnvironmentalProtection0引言刘从彬张成帅刘峻朱亚飞赵雯雯江苏润环环境科技有限公司河南分公司河南省环境保护科学研究院摘要:为了减少废水排放及环境污染,节约水资源,采用水解酸化法-生物接触氧化法-混凝沉淀法-过滤法组合工艺处理氯碱工业PVC离心母液废水。工程设计处理规模为1000m3/d,设计进水水质COD为200～350mg/L、BOD5为60～150mg/L、SS为100～300mg/L、温度为60～70℃。经此工艺处理后出水水质满足《城市污水再生利用工业用水水质》(GB/T19923-2005)规定的冷却用水标准并回用于生产,即COD≤60mg/L、BOD5≤10mg/L、浊度≤5NTU。工程实例证明该工艺具有操作简单、投资及运行成本低且无二次污染等特点,实现了良好的经济效益和环境效益。关键词:氯碱工业PVC离心母液废水水解酸化法生物接触氧化法混凝沉淀法过滤法作者简介：刘从彬(1981—),男,河北石家庄人,工程师。*刘峻(1982—),男,高级工程师,硕士。E-mail:jundyliu@yeah.net。Abstract：Inordertoreducewastewaterdischargeandenvironmentalpollution,andsavewaterresources,thecombinedprocessofhydrolysisacidization,biologicalcontactoxidation,coagulationandsedimentationandfiltrationwasusedtotreatPVCcentrifugeliquidwastewaterinthechlor-alkaliindustry.Theengineeringdesignandtreatmentscaleis1000m3/d,thedesignwaterqualityCODis200to350mg/L,theBOD5is60to150mg/L,theSSis100to300mg/L,andthetemperatureis60to70℃.Afterthisprocess,theeffluentwaterqualitymeetsthecoolingwaterqualitystandardsstipulatedintheIndustrialWaterQualityforUrbanSewageRecycling(GB/T19923-2005)andisreusedforproduction.Thatis,COD≤60mg/L,BOD5≤10mg/L,turbidity≤5NTU.Theengineeringexampleprovesthatthetechnologyhasthecharacteristicsofsimpleoperation,lowinvestmentandoperationcostandnosecondarypollution,andhasachievedgoodeconomicandenvironmentalbenefits.Keyword：chlor-alkaliindustry，PVCcentrifugeliquidwastewater，hydrolysisacidification，biologicalcontactoxidation，coagulationprecipitation，filter2020/3/7氯碱工业PVC离心母液废水处理工程设计与运行https://x.cnki.net/read/article/xmlonline?filename=HHGZ201908043&tablename=CJFDTOTAL&d