C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/67
C01B 25/30 (2006.01) C01B 25/40 (2006.01) C05B 7/00 (2006.01)
Patent
CA 1078582
POTASSIUM PHOSPHATE FERTILISERS Abstract of the Disclosure The invention is an improvement to the process for producing potassium phosphate or polyphosphate in which potassium chloride and phosphoric acid or a polyphosphoric acid are reacted together in a molar ratio of phosphorus to potassium in the range of 1:1 to 1.25:1. The novel feature comprises the removal of hydrochloric acid from the reaction mass by sparging the reaction mass with air to remove chloride.
206056
Somers Thomas N.
Thompson William H.
Worthington Ralph E.
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