基于ABR-MBR的垃圾渗滤液深度处理工艺效能研究
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2020-04-09 14:19:28
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浙江工贸职业技术学院学报JOURNALOFZHEJIANGINDUSTRY&TRADEVOCATIONALCOLLEGE第19卷第2期2019年06月Vol.19No.2Jun.2019基于ABR-MBR的垃圾渗滤液深度处理工艺效能研究*郑晓茶,周章添(浙江工贸职业技术学院,浙江温州325003)摘要:以浙江省某县垃圾焚烧发电厂垃圾渗滤液处理系统为例,考察60d工艺运行效果,分析ABR-MBR作为后续深度处理NF-RO系统预处理的可靠性,该组合工艺尾水中主要水质指标COD38~46mg/L、氨氮5~8mg/L、总氮6~9mg/L、SS未检出、BOD56~10mg/L,去除率均达到99%以上,其中预处理ABR-MBR系统对COD、氨氮、总氮、BOD5去除率分别为98.6%~98.7%、98.6%~98.9%、98.5%~99%、99.3%~99.4%,深度处理NF-RO系统去除率分别为89.1%~91.3%、55.6%~75%、55%~73.9%、92.6%~95.6%。运行结果表明,基于ABR-MBR的深度处理组合工艺效能高,出水能达到《城市污水再生利用工业用水水质》(GB/T19923-2005)标准中的敞开式循环冷却水系统补充水的水质要求,达到回用从而节省水资源的目的。关键词:垃圾渗滤液;ABR-MBR;组合工艺;深度处理中图分类号:X703文献标识码:A文章编号:1672-0105(2019)02-0054-05StudyontheProcessEfficiencyofAdvancedTreatmentofLandfillLeachateBasedonABR-MBRZHENGXiao-cha,ZHOUZhang-tian(ZhejiangIndustryandTradeVocationalCollege,Wenzhou,325003,China)Abstract:TakingthelandfillleachatetreatmentsystemofacountywasteincinerationpowerplantinZhejiangprovinceasanexample,theoperationeffectofthe60dprocesswasinvestigated,andthereliabilityofABR-MBRasthepretreatmentofthesubse-quentadvancedtreatmentNF-ROsystemwasanalyzed.Bythiscombinedprocess,themainwaterqualityindexesoftheeffluentwereCOD38~46mg/L,ammonianitrogen5~8mg/L,totalnitrogen6~9mg/L,undetectedSS,BOD56~10mg/L,andtheremovalratereachedmorethan99%.TheremovalratesofCOD,ammonianitrogen,totalnitrogenandBOD5inthepretreatmentABR-MBRsystemwere98.6%~98.7%,98.6%~98.9%,98.5%~99%,99.3%~99.4%,andtheremovalratesintheadvancedtreatmentNF-ROsystemwere89.1%~91.3%,55.6%~75%,55%~73.9%,92.6%~95.6%,respectively.Theoperationresultsshowthattheadvancedtreatmentcombi-nationprocessbasedonABR-MBRhashighefficiency,andtheeffluentcanmeetthewaterqualityrequirementsoftheopen-typecir-culatingcoolingwatersysteminthestandardof“TheReuseofUrbanRecyclingWater&IndustrialWaterQuality”(GB/T19923-2005),soastoachievethepurposeofreuseandsavewaterresources.KeyWords:landfillleachate;ABR-MBR;combinedprocess;advancedtreatment收稿日期:2019-05-11基金项目:浙江工贸职业技术学院教师科技创新活动计划项目“垃圾渗滤液资源化利用零排放循环系统关键技术研究”(G180103)作者简介:郑晓茶(1986—),女,浙江瑞安人,浙江工贸职业技术学院教师,硕士,主要研究
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