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提出了以工业氯化钾和工业磷酸为原料制取KH2PO4的新的溶剂萃取法工艺．该工艺转化率高，产品质量好，成本大幅度降低，并适用于工业生产。
A new solvent extraction process for preparing KH2PO4 from industrial potassium chloride and industrial phosphoric acid was proposed. The process of high conversion rate, product quality, cost significantly reduced, and suitable for industrial production.