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    • 1. 发明申请
    • METHOD FOR TREATING FERTILIZER PROCESS SOLUTIONS
    • 用于处理肥料加工方法的方法
    • WO01004048A1
    • 2001-01-18
    • PCT/FI2000/000623
    • 2000-07-06
    • C01B25/28C05B7/00C05B11/10C05C9/00
    • C05C9/00C01B25/28C05B7/00
    • A method for manufacturing a solid product containing nitrogen and phosphor, particularly a solid ammonium phosphate and/or urea ammonium phosphate product, in which method the solution containing urea and phosphoric acid is heated. Water then evaporates from the solution and the urea in the solution decomposes into ammonia and carbon dioxide. The carbon dioxide exits the reactor together with water vapour; the generated ammonia neutralizes the phosphoric acid. A suspension containing ammonium phosphate and/or urea ammonium phosphate is obtained, which is solidified, dried, crushed, ground and/or granulated. The end product as such can be used as a fertilizer or it can be used as part of a mixed fertilizer.
    • 一种含氮和磷光体,特别是固体磷酸铵和/或尿素磷酸铵产品的固体产品的制造方法,其中加热含有尿素和磷酸的溶液。 水然后从溶液中蒸发,溶液中的尿素分解成氨和二氧化碳。 二氧化碳与水蒸汽一起离开反应器; 产生的氨中和磷酸。 得到含有磷酸铵和/或尿素磷酸铵的悬浮液,其被固化,干燥,粉碎,研磨和/或造粒。 最终产品可以用作肥料,也可以用作混合肥料的一部分。