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A METHOD FOR PRODUCING NITROGENOUS-POTASH FERTILIZA METHOD FOR PRODUCING NITROGENOUS-POTASH FERTILIZER ER
A METHOD FOR PRODUCING NITROGENOUS-POTASH FERTILIZA METHOD FOR PRODUCING NITROGENOUS-POTASH FERTILIZER ER
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机译:氮钾肥的生产方法氮钾肥的生产方法
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摘要
The invention relates to methods for producing nitrogenous-potash granulated fertilisers. The inventive method consists in the following: potassium chloride is mixed with ammonium nitrate, the mixture is granulated in a granulating drum. For mixing ammonium nitrate is taken in the form of a fusion cake and 0.5-3.2 mass % of magnesium sulphate is added to the mixture. 37-60 mass % of chloride potash is chosen for mixture. A mass ratio of nitrogen in the mixture upstream from the granulating drum and in the final product is maintained in the range of 1.005 to 1.05. The nitrogenous-potash fertiliser produced in this way comprises (mass. %): N 12-25, K2O 16.6-40.
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