羧酸离子交换纤维对含镍_铜电镀废水的资源化处理

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1、——————————————』：塑一separatefromseveralionsinthisprocess．(2)TheeffectofeluentspeedWaSobviousduringdesorptionprocess．Iftheeluentwasusedonlyonetime，theeffectiveutilizationrateoftheeluent、釉uldbelow·Concentratedcirculationprocesscallmultiplyincreasetheconcen蛔tionofnickeIorcopperionsintheeluentandin

2、creasetheeffectiveutilizationrateoftheeluent·MultiplecolumnsinseriesprocesscansignificantlyincreasethetotalamountotwastewaLter，thetotalcapacityofNcolumnsinserieswassignificantly罂℃aternl强Ntim髂thesinglecolumnunderthesameconditions．Increasingthen砌berofad80rptioncolumns，theamountofperunittimecall

3、alsomultiplyincrease．(3)Thefibrousionexchangerhastheadvantageoffastadsorptionrate(1．85。5ml／g‘肌n)．highexchangecapacityandexcellentselectivitybehavior，highelutionconcentrationforNi2+／Cu2+(45．2g／Lor39．2g／L)whilechoosing2Msul胁cacid勰theeluentandlowimpuritysubstanceconcentration(Cto斌forCaandMg_<400

4、mg／L)，theconcentrationfactorsofNi抖andcuvwerelargert11an700．(41Theamplification，experimentsshowthatthefiberhadgoodapplicationforthe船a衄entofindustrialcopper-containingwastewater，thewaterc姐disch锄【eaccordingtothestandardsafterthetreatmentoffiber，andbo．chconcenl瑚丽Onandpunt)，ofcopperIntherecyclings

5、olutionwerehigh．Withusing10％hy出ochIoric砌da8eluent，theconcentrationofcopperinrecoveredsolutionwasupto36．0g／L．andtheconcentrationofcalciumandmagnesiumionswere1essnlan5％．Keywords：carboxylicacidfiber；nickel-containingandcopper．contamlgwastewate。；selectiveadsorption；multi-columnseries；saturatedads

6、orption：concentratedcirculation；factoryamplificationexperimentsⅣ图标清单图表清单图2．1镍的标准曲线⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．16图2．2铜的标准曲线⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．17图2．3钙的标准曲线⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．18图2．4镁的标准曲线⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．19图2．5羧酸纤维的外观形貌变化⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．2l图2．6Langmuir和Freundlich模拟⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．22图

7、2．7含镍废水柱吸附曲线⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．26图2．8含铜废水柱吸附曲线⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．26图2．9不同纤维在共存离子体系中的吸附性能的对比⋯⋯⋯⋯⋯⋯⋯⋯．27图2．10柱解吸选择性的研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯28图2．11硫酸溶液的浓度对镍解吸性能的影响⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯29图2．12硫酸溶液的流速对镍解吸性能的影响⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯29图2．13硫酸溶液的浓度对铜解吸性能的影响⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯