Patent ID: 7108800
Filing Date: 2006-09-19
Classification: C09K

Abstract:
1. A method of preventing the agglomeration of a particulate material comprising coal and the adhesion thereof to surfaces in subfreezing temperatures comprising a) providing a particulate material comprising coal; b) providing a concentrated product which comprises a mixture of from about 45 to about 90 weight percent of glycerin, from about 5 to about 50 weight percent of water, about 0.5 to about 3 weight percent of fatty acids and esters thereof and from about 2 to about 15 weight percent of water soluble salts wherein the freezing point of said concentrated product is at least about −35° C.; c) diluting the concentrated product with about 10–400 weight percent of water, based on the amount of said concentrated product to form a diluted product; d) applying to the particulate material an amount of the dilute product effective to suppress agglomeration of the particulate material and its adhesion to surfaces.