FOOD&MACHINERY:(1979-),,。E-mail:muna927@yahoo.com.cn:2005-02-1721320055Vol.21,No.3May,2005Effectofelectrolysisontreatmentofmeatprocessingwastewater穆 娜MUNa 程玉来CHENGYu-lai(, 110161)(CollegeofScience,ShenyangAgricultureUniversity,Shenyang,Liaoning110161,China):利用电解法处理屠宰场废水,考察了电解电压、电解时间、极板间距、废水pH值和操作方式等因素对屠宰废水的CODCr和色度去除率的影响。结果表明,在电解电压为35~40V、电解时间为30~40min、极板间距为10~20mm、pH值为6~8并搅拌的条件下,CODCr和色度去除率分别可达到78%,91%。利用正交实验比较了各因素的相对影响大小。废水经处理后能达到国家肉类加工工业水污染物排放标准(GB13457-92)的一级要求。:电解法;废水处理;屠宰场废水Abstract:Anexperimentalstudyonslaughterhousewastewaterhasbeencon-ductedbyelectrolysis.Theeffectsofvoltageanddurationofelectrolysis,elec-trodedistance,pHvalueandoperationalmethodontheCODCrandchromare-movalratewerediscussed.TheresultsshownthattheCODCrandchromare-movalratecanreach78%and91%undertheconditionsofvoltage35~40V,durationofelectrolysis30~40min,electrodedistance10~20cm,pHval-ue6~8.Theinfluencelevelofexperimentalfactorswerecomparedbyorthog-onalexperiment.TheslaughterhousewastewatercanmeettherequirementoftheFirstGradeDischargeStandardofChina(GB13457-92).Keywords:Electrolysis;Wastewatertreatment;Slaughterhousewastewater,。,、,CODCr2000mg/L。,、、,,。[1~2]。,,,,[3]。,。、、、、、[4]。,,(CODCr),、、、、pH,,。1 材料与方法1.1 。(150×130×100,,10,20,30,40,50mm);130×100;WYK-10020,1。图1 实验装置图1.2 ,。,、、、pH。,32DOI:10.13652/j.issn.1003-5788.2005.03.009CODCr。,。1。1 A/VB/minC/cmDpH1301010423520206340303084454040101.3 CODCr:;:。2 实验结果与分析2.1 CODCr30min、20mm、1500μs/cm、pH8,,CODCr,CODCr,2。图2 电解电压对净化效果的影响2,,,CODCr,35~40V,CODCr80%92%。40~45V,。2.2 CODCr,35V,,CODCr,CODCr,3。3,,CODCr。0~30min,CODCr,CODCr79%、92%,30~40min,。2.3 CODCr30min、35V、1500μs/cm、pH8,,CODCr,CODCr,4。图3 电解时间对净化效果的影响图4 极板间距对净化效果的影响4,,。10,20mm,,CODCr82%、95%,30,40mm,,。2.4 pHCODCr35V、20min、20mm、1500μs/cm,pH,CODCr,5。图5 pH值对净化效果的影响5,,pH6~8。CODCr。pH,CODCr78%、89%。33 2005年第3期2.5 CODCr30V、30min、20mm、1500μs/cm、pH8,CODCr,6。6,CODCr。CODCr87%、96%,,CODCr65%、82%。图6 操作方式对净化效果的影响2.6 2.6.1 CODCr1,2,3。2 A/VB/minC/mmDpHCODCr1111149612122241613133344624144442565212335586221461737234126488243265829313437481032433449113312829412342180911341423245144231476315432478891644138493 R,R,。3R:CODCr:pH:pH3 CODCrCODCrABCDABCDk144.0038.2569.0050.5060.0053.0080.2565.75k246.7545.7558.555.0065.2561.5074.7570.50k358.2557.5048.2549.2570.5073.2563.7565.50k460.2567.7533.554.5072.5080.5049.5066.50R16.2529.5035.505.7512.5027.5030.755.002.6.2 3,A4B4C1D2,A3B3C2D2,40V、30min、20mm、pH6。CODCr、80%、92%。3 结论(1);、、pHCODCr。(2)、,,,:35~40V、30~40min、10~20cm、pH6~8。(3),,。CODCr78%91%,[5]。(4)、、,。1 ,.—[J].,2003,4(8):37~40.2 ,,.[J].,2003,17(3):230~232.3 ,.[J].,2004,5(2):74~76.4 ,,.—[J].,2003(4):16~19.5 ,,.[M].:,2003.34213 :