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陈 怡1, 王祖佑1, 杨香娟2(1.中国石油天然气股份有限公司兰州石化公司环境保护处,甘肃兰州730060;2.甘肃宇辰化工器材装备有限公司,甘肃兰州730060) : 采用活性转化剂、高效分散剂、聚凝剂Ⅱ等三种药剂处理延迟焦化装置焦炭塔吹气冷却废水。在进水COD、SS、油、硫化物平均浓度分别为107563、900、190488、967.7mg/L时,出水分别为872、128、129、224.7mg/L,去除率分别达95.0%、89.6%、97.1%、69.1%。出水水质优于切焦水及冷焦水的用水标准,已回用于切焦水及冷焦水系统,为企业带来了显著的经济及环境效益。 : 焦炭塔吹气冷却废水; 活性转化剂/高效分散剂/聚凝剂Ⅱ; 废水再生利用:X703.1 :C :1000-4602(2009)12-0076-03High-efficiencyTreatmentofCoolingWastewaterinCokeTowerbyCompoundChemicalsCHENYi1, WANGZu-you1, YANGXiang-juan2(1.EnvironmentalProtectionAgency,PetroChinaLanzhouPetrochemicalCompany,Lanzhou730060,China;2.GansuYuchenChemicalEquipmentCo.Ltd.,Lanzhou730060,China) Abstract: Theactiveconversionagent,high-effectdispersantandcoagulantⅡwereusedtotreatcoolingwastewaterincoketowerindelayedcokingunit.WhentheaverageconcentrationsofCOD,SS,oilandsulphideintheinfluentare107563mg/L,900mg/L,190488mg/Land967.7mg/L,thoseindexesintheeffluentare872mg/L,128mg/L,129mg/Land224.7mg/Lrespectivelywiththere-movalratesof95.0%,89.6%,97.1%and69.1%.Theeffluentqualityissuperiortothestandardsforcutcokewaterandcokecoolingwater.Ithasbeenreusedinthesystem,whichbringssignificanteco-nomicandenvironmentalbenefitsfortheenterprise. Keywords: coolingwastewaterincoketower; activeconversionagent/high-effectdispersant/coagulantⅡ; wastewaterreclamationandreuse 、,、、。——,208090,、、、A/O(/),,,、,、[1、2]。,,、,,,。120×104t/a,150~200m3/d,、、·76·第25卷 第12期2009年6月 中国给水排水CHINAWATERWASTEWATER Vol.25No.12Jun.2009、,、。,,。,,、、Ⅱ,2006,200611,2,。1 药剂特性1.1 :,,;:,、、COD;Ⅱ:,,。1.2 、,、,220℃,。,,,,。,,,,。2 废水处理系统设计2.1 、300m3/d。COD≤250000mg/L,≤500000mg/L;:COD≤5000mg/L,≤1000mg/L。2.2 1。1 Fig.1 Flowchartofdelayedcokingwastewatertreatmentprocess,60℃,40℃,(8900mg/L)、(7800mg/L)、(6100mg/L),1.5~2h(、、),0.2t,;,;(),。2.3 ,1。1 Tab.1 Parametersofnewlyaddeddevices 150m31300m3120m3120m3120m3222.3m3/h,1.6MPa290~100m3/h41103.6L/h420m3/h3 运行效果,2008113—18。2。·77·陈 怡,等:复合药剂高效处理焦炭塔吹气冷却废水第25卷 第12期2 Tab.2 Treatmenteffectofthesystem /(m3·d-1)/(mg·L-1)/(mg·L-1)/%CODSSCODSSCODSS11317869712400043243500053811601847.122.899.195.899.911414897113000058843500029810504243.869.399.292.899.9116159611112000108043500023511503937.661.599.096.499.911719072310200094343500024510706251.366.198.993.499.9111120123409540091538001889923410691.998.996.397.2111221922712302802691175252260.948.557.392.177.41113195149010100020538100947953526.193.799.282.999.911142087051080001160810002359307434.766.799.193.699.911172077831100001320351078.33233036.890.099.797.799.01118195113019200020803820021972692584680.699.655.597.8190967.7107563900190488224.787212812969.195.089.697.1 2,,;;。4 经济分析① 315,230,15,70。② 8.9kg/m3,7.8kg/m3,Ⅱ6.1kg/m3,19.83/m3。③ 、、。a.75t,3000/t270/a。b.,6t,2200/t,15.8/a。c.、,190m3/d,2.6/m3,17.8/a。④ 166/a。、、,,,,。5 结论、、,,,、,、,。:[1] ,,.[J].,1991,(1):1-12.[2] .[J].,2003,(7):22-25.:(0931)7932274E-mail:gansuyuchen@163.com:2009-01-11·78·第25卷 第12期 中国给水排水
本文标题:复合药剂高效处理焦炭塔吹气冷却废水陈怡
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