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用缔置法生产硫酸钾的主要原料是氨、氯化钾、硫酸和９２０＃溶剂，其反应条件较温和、易控制，反应媒体可循环使用，无环境污染，有较好的发展前景及经济效益。
The main raw materials for the production of potassium sulfate by the association method are ammonia, potassium chloride, sulfuric acid and 920 # solvent. The reaction conditions are mild and easy to control. The reaction medium can be recycled without any environmental pollution and has good development prospect and economy benefit.