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314Vol．31No．420118SHANXICHEMICALINDUSTRYAug．20112011-05-1219721996。037000、。2～328MPa60s580℃CODCr99．5%。X52A1004-7050201104-0065-03、、、、、、、、、、。、。1。1、、、、2、、。2CODCr、NH3-N、。SC-WO2、、。N2N2O、。、、。11．1HXDK-01-A700℃45MPa。。1．2661。pH=8～9。。。DOI:10.16525/j.cnki.cn14-1109/tq.2011.04.028废水高压泵预热器反应釜冷凝器固体O2与CO2净水分离器1。1．3374．3℃22．05MPa。3、、。450℃～600℃22MPa～35MPa20s～120s2～4CODCr5260mg/L。GB1941-1989CODCr。CODCr。22．1CODCr28MPa60s2～3CODCr2。100908070605040350%%%%%%%400%%%%%%%450%%%%%%500%%%%%%%550%%%%%600温度/%℃CODCr去除率/%％●●●●●●●2CODCr2。CODCr。380℃CODCr48%580℃CODCr99．4%。460℃、。2．2CODCr580℃60s2～3CODCr3。99.899.699.499.299.024%%%%%25%%%%26%%%%%%27%%%%%28%%%%%29%%%%%30压力/%MPaCODCr去除率/%％●●●●3CODCr3CODCr。24MPaCODCr99．0%28MPa99．6%。24MPa～30MPaCODCr。580℃374．3℃22．05MPa、。2．3CODCr580℃28MPa2～3CODCr4。时间/%s100959085807520%%%%%40%%%%%%60%%%%%%80%%%%%%100%%%%%120CODCr去除率/%％●●●●●●4CODCr4CODCr0s～50sCODCr。50s·66·20118CODCr99%CODCr。CODCr。2．4CODCrCODCr。1．5CODCr。28MPa60s、580℃、2CODCr99%。CODCr。2．5pH5200mg/L～7000mg/L。。。7000mg/L。、、pH。。。。31CODCr99．5%。228MPa60s2～3580℃。1．J．20071183-86．2．10012579P．2005-06-07．3．J．200123345-48．StudyonthetreatmentofcokingwastewaterbysupercriticalwateroxidationtechnologyHUShu-zhiDatongCoalGasCorporationDatongShanxi037000ChinaAbstractThecokingwastewaterwastreatedbysupercriticalwateroxidationprocess．Theeffectsofresidencetimereactionpressureontheresultsofthetreatmentwereinvestigatedandtheprocessconditionsofsupercriticalwateroxidationprocesswereoptimized．Theresultsshowedthatwhenreactionpressurewas28MParesidencetimewas60sreactiontemperaturewas580℃andoxygenwasex-ceeded2to3timestheremovalrateofCODCrofthewastewatercouldbeover99．5%．Keywordssupercriticalwateroxidationcokingwastewaterwasterwatertreatmentremovalrate·76·20118