您好,欢迎访问三七文档
当前位置:首页 > 建筑/环境 > 设计及方案 > 废石场锰锌废水处理工程实例孟祥超朱乐辉唐亚萍
330031/NaOH/BIOFOR。0.70mg/L、0.5mg/L、SS10mg/L、pH7.50、COD45mg/L《》GB8978—1996。BIOFORX703.1C1000-4602201402-0085-03EngineeringCaseofWasteRockDumpManganese/ZincWastewaterTreatmentMENGXiang-chaoZHULe-huiTANGYa-pingSchoolofEnvironmentandChemicalEngineeringNanchangUniversityNanchang330031ChinaAbstractBasedontheanalysisofwastewaterqualityandcharacteristicsthecombinedprocessoflimeneutralizationNaOHreactionprecipitationandone-stagebiologicalfiltrationoxygenatedreactorBIOFORwasusedtotreatmanganese/zinc-containingwastewater.AfterthetreatmentMnZnSSpHandCODintheeffluentwere0.70mg/L0.5mg/L10mg/L7.50and45mg/Lrespectively.TheeffluentqualitymetthefirstclasscriteriaspecifiedintheIntegratedWastewaterDischargeStandardGB8978-1996.Keywordsmanganese/zinc-containingwastewaterchemicalprecipitationBIOFORprocess1、1.1、1。SS1。1Tab.1DesigninfluentandeffluentqualitypHCOD/mg·L-1SS/mg·L-1Mn/mg·L-1Zn/mg·L-14~5250~300500~700190~200140~1506~9100702.02.04000m3/d《》GB8978—1996。1.2。①116m3116m3NaOH116m31、213400m323900m311400m38BIOFOR48m3/CODBIOFOR1400m3。BIOFORBIOFOR2。·58·30220141CHINAWATER&WASTEWATERVol.30No.2Jan.2014②。③3BIOFORBIOFOR。④NaOHPAM。⑤、。1。1Fig.1Flowchartofwastewatertreatmentprocess1.3。Mn2+、Zn2+Mn2+>98%NaOHPAM。BIOFOR。。22.1、。4000m3/d。。2.211pH。pHpH111m3800g。2.32NaOH2NaOHpHPAM。2pH131m3150gNaOH。PAM2g/m3。2.4BIOFORBIOFOR7d。。、10~20L/m2·s、5~10L/m2·s。≤5%300~400μm。BIOFOR5min10min。3312d9COD、SS、pH、Mn、Zn。、2。2Tab.2EffluentqualityBIOFORpH4~510~1111~126~9COD/mg·L-1250~300200~250200~25045SS/mg·L-1500~700200~30080~100≤10Zn/mg·L-1140~1503~50.5~1.00.5~1.0Mn/mg·L-1190~2005~100.5~1.00.5~1.0·68·302.watergasheat.com2《》GB8978—1996。43。3Tab.3Dosageduringoperationmg·L-160%798NaOHNaOH150PAM2490158.8575.7553.10、、30。1.2/m30.90/m30.35/m32.45/m3。240t。5①Mn、Zn、、SS/NaOH/BIOFORMn、Zn。COD45mg/L、0.7mg/L、0.5mg/L、SS10mg/L、pH7.50《》GB8978—1996。②pH。③2.45/m3。④。1.J.20052347-9.2.-SBRJ.200725425-27.3.FentonJ.2011302229-232.4.J.200018325-27.5./J.2007231062-64.6.J.200026104-8.1987-。E-maillehuizhu@163.com2013-05-22·78·.watergasheat.com302
本文标题:废石场锰锌废水处理工程实例孟祥超朱乐辉唐亚萍
链接地址:https://www.777doc.com/doc-6559806 .html