The production process of potassium dihydrogen phosphate byextraction of phosphoric acid from WPA was introduced.The method could get good economic benetit when used in industry production.

• 对用萃取剂萃取湿法磷酸生产磷酸二氢钾的工艺进行了介绍，利用该方法进行工业化生产具有较好的经济效益。