活性炭纤维对电镀废水中镍的电吸附性能研究

活性炭纤维对电镀废水中镍的电吸附性能研究陈天明袁严金龙袁陈艳虹袁韩香云袁丁龙建渊盐城工学院环境科学与工程学院袁江苏盐城224051冤咱摘要暂研究了活性炭纤维电极电吸附法对模拟电镀废水中Ni2+的去除效果及其影响因素袁确定了最佳电极电位尧板间距尧活性炭纤维表面积尧溶液初始浓度袁并作出相应的吸附平衡分析遥实验结果表明院在施加电极电位为1.0V袁活性炭纤维表面积为50cm2袁电极板间距为30mm袁Ni2+初始质量浓度为20mg/L条件下袁达到平衡后袁Ni2+的去除率可达88.15%遥咱关键词暂活性炭纤维曰电吸附曰电镀废水咱中图分类号暂X703.1咱文献标识码暂A咱文章编号暂1005-829X渊2014冤11-0036-04ResearchontheelectrosorptioncapacityfornickelfromelectroplatingwastewaterbyactivatedcarbonfiberChenTianming袁YanJinlong袁ChenYanhong袁HanXiangyun袁DingLongjian渊YanchengInstituteofEnvironmentalScienceandEngineering袁YanchengInstituteofTechnology袁Yancheng224051袁China冤Abstract院TheremovingcapacityforNi2+fromsimulatedelectroplatingwastewaterbyactivatedcarbonfiber渊ACF冤electrode袁aswellasitsinfluencingfactors袁hasbeenstudied.Theoptimalelectrodepotential袁distancebetweenplates袁surfaceareaofactivatedcarbonfiber袁andinitialconcentrationofsolutionaredetermined袁andthecorrespondingadsorptionequilibriumanalysisisconducted.Theexperimentalresultsshowthatunderthefollowingconditions院electrodepotentialexertedis1.0V袁surfaceareaofactivatedcarbonfiber50cm2袁distancebetweenplates30mm袁andinitialconcentrationofnickel20mg/L袁theremovingrateofNi2+couldbeupto88.15%.Keywords院activatedcarbonfiber曰electrosorption曰electroplatingwastewater电镀尧石化和制药是当今全球三大污染工业遥据不完全统计袁全国电镀厂点约1万家袁每年排出的咱基金项目暂住房和城乡建设部科学技术计划项目(2014-K4-043)曰江苏省环保厅项目渊2012093冤COD和含氮污染物的能力咱J暂.土木建筑与环境工程袁2012袁34渊6冤院139-144.咱11暂冉春秋袁李海燕袁王冰袁等.电极面积对无质子交换膜微生物燃料电池协同去污能力的研究咱J暂.环境工程学报袁2013袁27渊2冤院563-567.咱12暂冉春秋袁崔玉波袁李海燕袁等.单室型无质子膜微生物燃料电池协同去除COD和含氮污染物咱J暂.高校化学工程学报袁2013袁27渊2冤院316-321.咱13暂StateBureauofEnvironmentalProtection.Methodofwaterandwastewatermonitoringandanalysis咱M暂.Beijing院ChinaEnviron鄄mentalSciencePress袁2002院258-282.咱14暂AkunnaJC袁BizeauC袁MolettaR.Denitrificationinanaerobicdigesters院possibilitiesandinfluenceofwastewaterCOD/N-NOxratio咱J暂.EnvironmentalTechnology袁1992袁13院825-836.咱15暂王蕊袁谢丽袁陈金荣袁等.COD/NO3--N对厌氧同时反硝化产甲烷的影响咱J暂.水处理技术袁2012袁38渊4冤院21-24.咱16暂QuevedoM袁GuynotE袁MuxiL.Denitrifyingpotentialofmethano鄄genicsludge咱J暂.BiotechnologyLetters袁1996袁18渊12冤院1363-136