Process for beneficiation of coal by selective caking

Details Process for beneficiation of coal by selective caking Process for beneficiation of coal by selective caking

B - Operations, Transporting

03

B

44/48

B03B 1/04 (2006.01)

Patent

CA 1328999

ABSTRACT OF THE DISCLOSURE: A process is disclosed for beneficiation of coal by selective caking, in which process a caking mixture is employed consisting of: one or more solvents selected among light hydrocarbons having boiling points not higher than 70°C; one or more non-ionic additives selected among oil soluble propoxylated or propoxylated-ethoxylated phenolic or alkylphenolic compounds; possibly one or more heavy co- caking agents selected among coal-derived oils having boiling points between 200°C and 400°C, or the residual products of petroleum refining, or mixtures thereof. The process allows higher caking speeds, lower amounts of caking agent employed, higher dehydration and less amounts of ashes to be obtained in the final product.

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