硫酸钾铵及高浓度无氯复肥的研制

Preparation of High-analysis and Free-chloride Compouhd Fertilizer: Ammonium Potassium Sulfate

以硫酸、氯化钾和碳酸氢铵为原料 ,制得硫酸钾铵 ,再加入磷酸二铵 ,经干燥后得含有N、P2 O5、K2 O的无氯三元复肥。该工艺流程短、设备少、能耗低、经济效益好。

Three basic compound fertilizer containing N,P 2O 5 and K 2O are prepared from sulfuric acid,potassium chiloride,ammonium hydrogen carbonate and diammonium phosphate,the method is featured of simple process and equipment,low cost and energy_consumption and good economic benefits.