电化学法用于微污染水脱氮处理实验

电化学法用于微污染水脱氮处理实验3何绪文1　龚彦宇1　王培京2　廖日红2　刘　操2(11中国矿业大学化学与环境工程学院,北京100083;21北京市水利科学研究所,北京100044)摘要:采用电化学方法,以轻度污染的温榆河河水为研究对象,考察了电化学方法对微污染地表水中氨氮的去除效果,探讨极板间距、反应时间以及板间电压对氨氮去除的影响。研究表明:反应时间为10min,板间距为110cm,板间电压为11V时,该方法对去除微污染水中氨氮有较好的处理效果,对氨氮的去除由原水的8～36mgPL降至214～11mgPL,去除率能达到70%以上,同时总氮的去除与氨氮去除呈现良好的相关性。关键词:电化学方法;氨氮;微污染水EXPERIMENTONAMMONIAREMOVALINLIGHTLYPOLLUTEDWATERBYELECTROCHEMICALPROCESSHeXuwen1　GongYanyu1　WangPeijing2　LiaoRihong2　LiuCao2(1.SchoolofChemicalandEnvironmentalEngineering,ChinaUniversityofMining&Technology,Beijing100083,China;2.BeijingHydraulicResearchInstitute,Beijing100044,China)Abstract:Inthisstudy,electrochemicalprocesswasusedtotreatlightlypollutedwaterfromWenyuRiver.Theammoniaremovaleffectwasobservedandtheeffectsofplateelectrodespace,reactiontimeandvoltagebetweenplateelectrodesonammoniaremovalwerediscussed.Theresultsshowedthatammoniawasremovedefficientlybyelectrochemicalprocessontheconditionsof10minofactivetime,110cmofplateelectrodespaceand11Vofvoltagebetweenplateelectrodes