超重力床＋活性炭臭氧＋沸石处理炸药废水工程调试

趟重力床+活性炭臭氧+沸眉处理炸药废水工程调试杨红梅肖德龙蒲柳。阮期平(1绵阳师范学院资源与环境工程学院，绵阳621010；2国家城市污水处理及资源化工程技术研究中心，绵阳621010)摘要某单位采用超重力床+紫外线臭氧氧化法预处理炸药生产高浓度有机废水，再用活性炭臭氧氧化+沸石吸附法处理炸药生产综合废水。经过调试运行，超重力床单元在温度5O℃时，COD的去除率为75％，氨氮去除率为359／6，TNT去除率13；紫外线臭氧氧化单元，COD去除率可达3O，TNT去除率可达4O，但对氨氮无去除效果；活性炭+臭氧氧化单元的COD去除率达到65，TNT去除率达到3O，但氨氮去除率小于10；活性炭+沸石吸附单元的COD去除率大于50，氨氮去除率可达到8O。为了降低沸石的更换频率，在沸石填料中种植了菖蒲和关人蕉等水生植物，利用沸石对氨氮进行富集，再利用植物对氨氮进行吸收利用。废水处理装置经过调试、整改后，运行效果良好，处理出水水质达到《弹药装药行业水污染排放标准》(GB14470．3—2011)。关键词炸药废水超重力床臭氧活性炭沸石EngineeringcommissioningofusingdupergravityandactivatedcarbonozoneandzeolitetotreatexplosiveswastewaterYangHongmei，XiaoDelong，PuLiu，RuanQiping(1SchoolofResourcesandEnvironment，MianYangTeachers’College，Mianyang621010，China；2NationalEngineeringResearchCenterforMunicipalWastewaterTreatmentandReuse，Mianyang621010，China)Abstract：Theexplosivewastewaterwasclassifiedintohighconcentrationorganicwastewaterandcomprehensivewastewater．First，highconcentrationsoforganicwastewaterwaspretreatedwithsupergravitybed+ultraviolet+ozoneoxidation+technology，thenthecomprehensivewastewaterwastreatedwithactivatedcarbon+ozoneoxidation+zeoliteadsorptiontechnology．Aftercommissioning，inthesupergravityunit，theremovalefficiencyofCODwas75，theremovalefficiencyofAmmonianitrogenwas359，5，theremovalefficiencyofTNTwas13．Intheultravio—let+ozoneoxidationunit，theremova1efficiencyofCODcouldreach30，andtheremovalrateofTNTcouldreach40，buttheammonianitrogenhadnoefficiency．Intheactivatedcarbon+O—zOneoxidationunit，theremovalrateofCODreached65，theTNTremovalratereached30，buttheammonianitrogenremova1ratewas1essthan10．Inthecarbon+zeoliteadsorptionunit，theremoralefficiencyofCODwasmorethan50，theremoralefficiencyofAmmonianitrogencouldreach80．Inordertoreducethefrequencyofzeolitereplacement，acorusandcannaswereplantedinzeolitefillers。firsttheammonianitrogenwasenrichedwithzeolite，andthenwasab—sorbedbytheaquaticplants．Afterthewastewatertreatmentequipmentwasdebugged，theopera—tioneffectwasgood，andthestandardofWaterPollutionDischargeofAmmunitionFillingIn一66给水排水Vo1．44No．42