A2O工艺处理焦化废水实例梁英娟

94NORTHERNENVIRONMENT··A2/O073000COD、。A2/OA2/O。A2/OX703．1A1007－0370201106－0094－01CokingWstewaterTeatmentbyA2/OProcessLiangYingjuanWangYuehuiDingzhouCityEnvironmentalProtectionAgencyHeBei073000AbstractCokingwastewaterisverycomplicatedforit’shighconcentrationsofCODandAmmoniaNitrogen．Greatdifficultieshadbeencausedforoperating．Inthispaperalargenumberofprocessindicatorsarelisted．FactorsandoperatingpointsontheA2/Oprocesswereanalyzedanddiscussed．Ihopethispapercanprovidemoreinformationsandhelpforothers．KeywordscokingwastewaterA2/Otreatmentprocessinfluencefactors、、、、、1COD、。。A2/O、。A2/O。A2/OA2/O。1、、、3015。1。1。1mg/LCODPH2500－4000150－230400－6002－11307．5－8．5915．60．10．387－822．1、。30mg/L150～220mg/LCOD＜4000mg/L。2．2。65～80℃25～35℃。111323620116NORTHERNENVIRONMENT113266。。650%70%。3。650%70%。1．〔J〕．200514．2．〔J〕．1996439．3．CFD〔J〕．200823291～94．4．〔M〕．1993868．5．〔M〕．1998．2011－04－261966－、檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪．942．3pHpH。pHpH7．5～8．5。2H+pHpH7．7～8．5150～250mg/L。pH7～8。2．4A2/O。0．5mg/L。3～5mg/L90%2．5mg/LCOD、、。0．5mg/L0．2mg/L3。2．5。COD、SS。5～6。33．1。。3．2。。3．3、、。。4A2/O123COD。1．A2/O．200818140－141．2．A2/O．20072263－65．3．A2/O．2007411－12．2011－03－131974－．