C - Chemistry – Metallurgy – 05 – G
Patent
C - Chemistry, Metallurgy
05
G
71/43
C05G 1/00 (2006.01) C05B 7/00 (2006.01)
Patent
CA 1192413
-1- SPECIFICATION Title of the Invention: A Process for Manufacturing Granular Compound Fertilizers Abstract of the Disclosure: A process for manufacturing granular compound feritilizers wherein phosphoric acid, sulfuric acid or nitric acid or a mixture thereof is reacted with ammonia in a tubular reactor, the resulting reaction solution is concentrated to obtain a high temperature slurry having a liquid content of 40 - 90% by volume in a mixing tank, the high temperature slurry is then sprayed into a granu- lation zone of a spouted bed granulation apparatus or fluidized granulation apparatus to cause the thus-sprayed slurry to stick to priming particles floating in the granulation zone, thereby forming enlarged granules.
421902
Hashimoto Kazuaki
Kasahara Takao
Kinno Bunji
Naruo Masaki
Nobue Michio
Mitsui Toatsu Chemicals Inc.
Sim & Mcburney
Toyo Engineering Corporation
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