锌烟灰制取碱式碳酸锌的最优工艺参数研究

Research on the Optimum Process Parameters of Preparing Alkali Zinc Carbonate from Zinc Smoke Ash

对锌烟灰经硫酸浸出、两步净化、碳酸氢铵沉淀制取碱式碳酸锌的最优工艺参数进行了研究。实验证明在最优的工艺参数条件下,不仅可以达到最佳的浸出效果,而且产品质量较好。

The paper researches the optimum process parameters of preparing alkali zinc carbonate from zinc smoke ash by sulfuric acid leaching, two-step cleaning and ammonium bicarbonate precipitation. It is proved that the best leaching effect and good quality product can be obtained under the condition of the optimum process parameters.