| 电去离子技术再生化学镀镍老化液的研究 |
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| 引用本文： | 邢明秀,刘贵昌,王昊,王立达. 电去离子技术再生化学镀镍老化液的研究[J]. 电镀与环保, 2012, 32(3): 46-48. DOI: 10.3969/j.issn.1000-4742.2012.03.016 |
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| 作者姓名： | 邢明秀 刘贵昌 王昊 王立达 |
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| 作者单位： | 1.大连理工大学化工学院,辽宁大连,116024;2.大连理工大学化工学院,辽宁大连,116024;3.大连理工大学化工学院,辽宁大连,116024;4.大连理工大学化工学院,辽宁大连,116024 |
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| 摘 要： | 采用电去离子技术去除化学镀镍老化液中残余的Ca2+,考察了不同工艺条件对Ca2+的去除率的影响.结果表明:随着电流的增加,Ca2+的去除率增大;凝胶型阳树脂比大孔型阳树脂更有利于对Ca2+的去除.在实验所用电流条件下,溶液的DH值在酸性范围内,同时对EDI膜堆进行了改造,增加极室保护室,避免了膜堆结垢.
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| 关 键 词： | 电去离子 离子交换树脂 Ca2+ 化学镀镍废液 |
An Investigation into Regeneration of Spent Electroless Nickel Plating Bath by Electrodeionization |
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| XING Ming-xiu , LIU Gui-chang , WANG Hao , WANG Li-da. An Investigation into Regeneration of Spent Electroless Nickel Plating Bath by Electrodeionization[J]. Electroplating & Pollution Control, 2012, 32(3): 46-48. DOI: 10.3969/j.issn.1000-4742.2012.03.016 |
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| Authors: | XING Ming-xiu LIU Gui-chang WANG Hao WANG Li-da |
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| Affiliation: | (School of Chemical Engineering,Dalian University of Technology,Dalian 116024,China) |
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| Abstract: | Electrodeionization was used to remove the residual Ca2+ in spent electroless nickel plating bath,and the effects of different technological conditions on the removal rate of Ca2+ was investigated.The results show that with the increasing of the film stack current,the removal rate of Ca2+ increases and gel-type ion exchange resin is more beneficial to remove Ca2+ than macro-reticular type ion exchange resin.Under the experimental current conditions,pH values are within acidic range.Furthermore,the modification of the EDI membrane reactor avoids the membrane stack scaling. |
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| Keywords: | electrodeionization ion exchange resin calcium ion spent electroless nickel plating bath |
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