C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/80
C09K 3/18 (2006.01) B05D 5/08 (2006.01) B65G 3/02 (2006.01) C10L 9/10 (2006.01)
Patent
CA 1193083
ABSTRACT OF THE DISCLOSURE A method for treating fine particles such as minerals and coal particles having surface moisture to reduce the cohesive strength of such particulate particles when frozen which comprises spraying the particles prior to freezing with an effective amount of a dilute aqueous solution of a water-soluble cationic polymer, which solution also contains a freezing point depressant amount of an anti-freeze chemical. In a preferred embodiment of the invention, there is also included in the aqueous solution of the freezing point depressant polymer solution from 1/2 to about 5% by weight of gelatin or hydrolyzed gelatin.
431541
Nalco Chemical Company
Smart & Biggar
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