Method for controlling dusting of coke and coal
AssigneeNaTec Resources, Inc.
InventorRobert P. Bennett
Life of this patent
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Abstract
A method and composition for control of in-transit and residual dust from coal or coke is provided. The method involves spraying the coal or coke with fluid, preferably water, containing an additive comprised of approximately 90-99% by weight of lignosulfonate and 1-10% by weight of polyacrylic acid. Sufficient fluid should be used to coat the coal or coke. The amount of additive necessary to prevent dusting will vary according to the conditions to which the coke or coal will be subjected.
Claims12
A method for suppressing dusting of coal and coke feeds comprising applying a solution to said feed in an amount sufficient to suppress said dusting, said solution comprising a polyacrylate having a molecular weight less than about 20,000 and an amount of lignosulfonate that exceeds the amount of said polyacrylate.
Dependencies are inferred from the claim text.