溶剂萃取法制取硫酸钾中试及其新进展

The Mid Industrial Test and New Development of Potassium Sulfate-Made Process with Solvent Extraction

描述了用工业硫酸和氯化钾为原料，萃取法制取硫酸钾新工艺及其工程化的新进展。研究了该工艺三相萃取过程的基本原理，列出了试验数据及经济技术评价。

The paper describes new development of the process that takes commercial sulfuric acid and Potassium chloride as starting material to make potassium sulfate,studies basic principle of three phase extraction that the process used,lists the experimental data and analyzes it with view of economy.