氨氮废水的电渗析处理

氨氮废水的电渗析处理西北农业学报2008,17(3):3322335ActaAgriculturaeBoreali2occidentalisSinica氨氮废水的电渗析处理3余光亚,杨战社,呼世斌3(西北农林科技大学理学院,陕西杨凌712100)摘要:采用电渗析法处理氨氮废水,并对工艺中的条件进行了优化研究,在实验室条件下得到工艺参数为电渗析电压55V,进水流量24L/h。氨氮废水进水电导率为2920μs/cm,氨氮浓度为534.59mg/L。出水室浓水和淡水各占19%和81%。浓水和淡水的电导率分别为14000μs/cm和11.8μs/cm;氨氮含量分别为2700mg/L和13mg/L。该电渗析装置处理后的氨氮废水不仅可以达到排放标准,而且可以满足回用要求。关键词:氨氮废水;电渗析;电导率中图分类号:X824文献标识码:A文章编号:100421389(2008)0320332204ElectrodialysisTreatmentofAmmoniaNitrogenWastewaterYUGuang2ya,YANGZhan2sheandHUShi2bin3(CollegeofScience,NorthwestA&FUniversity,YanglingShaanxi712100,China)Abstract:Thepaperexploredammonianitrogenwastewatertreatmentbytheapplicationofelectrodi2alysisandoptimizationresearchwasconductedwithregardtotechnologyprocess.Thefollowingtech2nologicalparametersareobtainedthroughlaboratorystudy:electrodialysisvoltagewas55V;intakeflowwas24L/h.Inflowconductivityofammonianitrogenwastewaterwas2920μs/cm;ammoniani2trogenconcentrationwas534.59mg/L.Thepercentagesofhighsalinitywaterandfreshwaterindis2chargechamberwas19