离子交换与吸附

本文对树脂法再生镍—氢电池包覆液进行了系统研究，研究结果表明ＮＫ—ＥＮＬ—１和ＮＫ—ＥＮＬ—２型树脂对镍具有良好的吸附和脱附性能，镍回收率大于９６％，Ｎａ２ＨＰＯ３去除率大于９６％，回用液中镍浓度高达７．７ｇ／ｌ，并可循环复用。处理后排放水中，镍小于１ｐｐｍ，达到国家排放标准，采用这种技术设计的５Ｔ／ｈ包覆液净化工程运行正常，经济效益和社会效益显著。

The research work on the refreshment of encaspulated hydragen-stored alloy materials by ion exchange were reported in this paper. The results showed that the absorption capacity and stripping Percentage of NK-ENL-1 resin and NK-ENL-2 resin for Nickel were high. The recovery of Nickel and removal of Na2 HPO3 were all over 96%. The concentration of Nickel in reused liquid was as high as 7. 7g/l. There was less than 1ppm Nickel in drainage. It reached National Draingae Standard. The 5T/h Nickel treatment system operated smoothly and achieved economic and social profit.