废雷尼镍催化剂回收中脱除钙镁工艺研究进展

Progress in the Process of Removing Calcium and Magnesium from Waste Rainey Nickel Catalyst

介绍了在废雷尼镍催化剂回收过程中,去除钙镁的六种主要方法:化学沉淀法、精矿酸洗法、冷却结晶法、离子交换法、电解法和溶剂萃取法,分析了不同方法的研究现状,比较了脱除钙镁工艺之间的优劣和差异。

Six main methods for removing calcium and magnesium in the recovery process of waste Rainey nickel catalyst were introduced:chemical precipitation,concentrate pickling method,cooling crystallization,ion exchange method,electrolysis and solvent extraction.The research status of different methods were analyzed,and the advantages and differences between the removal processes were discussed.