Polyethoxylated compounds as coal-water slurry surfactants
AssigneeAkzona Incorporated
InventorMoneeb Zakaria
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Abstract
The present invention is directed to aqueous-comminuted coal slurries. Specifically, the invention is directed to slurries that include as surfactants about 0.1 to 0.5 weight percent surfactant compounds, as for example polyoxyethylene (2) oleamide, and which typically have a coal solids content of 70%.
Claims10
A pumpable coal and water slurry, said slurry comprising comminuted coal, water, and a surfactant corresponding to the formula ##STR2## wherein R is an alkyl group having between 8 and 18 carbon atoms, x and y are each integers equal to or greater than 1, the sum of x and y is between 2 and 15, and wherein the active surfactant content of said slurry is from about 0.1 to 0.5 weight percent.
Dependencies are inferred from the claim text.