C - Chemistry – Metallurgy – 01 – C
Patent
C - Chemistry, Metallurgy
01
C
C01C 1/246 (2006.01) C01C 1/18 (2006.01) C01C 1/24 (2006.01)
Patent
CA 2730992
Methods for the production of ammonium sulfate nitrate include (a) providing at a temperature of less than about 175 °C a melt including ammonium nitrate, ammonium sulfate, and water and the water content is greater than about 2 wt % based on the total weight of ammonium nitrate, ammonium sulfate and water in the melt, and (b) solidifying from the melt 1:2 ANS double salt by cooling at least a portion of the melt at a rate of less than about 100 °C/min.
Linvention concerne des procédés pour la production de nitrate sulfate dammonium consistant (a) à fournir, à une température inférieure à environ 175 °C, une coulée contenant du nitrate dammonium, du sulfate dammonium et de leau, la teneur en eau étant supérieure à environ 2 % en poids, sur la base du poids total du nitrate dammonium, du sulfate dammonium et de leau dans la coulée, et (b) à solidifier, à partir de la coulée, du sel double 1:2 de NSA, en faisant refroidir au moins une partie de la coulée à un rythme inférieur à environ 100 °C/min.
Kweeder James
Stevens Carl John
Towler Gavin P.
Gowling Lafleur Henderson Llp
Honeywell International Inc.
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