C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
44/10
C10L 1/32 (2006.01) B03B 9/00 (2006.01) B03D 1/004 (2006.01) C10L 9/00 (2006.01) C10L 9/10 (2006.01)
Patent
CA 1194304
ABSTRACT OF THE DISCLOSURE A process for the production of beneficiated coal and coal slurries having low ash, and sulfur involv- ing admixing coal in an aqueous medium with a surface treating admixture comprising a polymerizable monomer, polymerization catalyst and a liquid organic carrier thereby rendering said coal highly hydrophobic and oleo- philic. The resultant beneficiated coal product is formed into coal slurries, such as coal-oil mixtures. In another embodiment, an improved process for the beneficiating of coal and the separation of impurities therefrom is disclosed comprising subjecting coal to surface treatment by contact with an aqueous medium comprising polymerizable monomer, polymerization catalyst and liquid organic carrier, thereby rendering said coal hydrophobic and oleophilic, the improve- ment comprising the high shear intermixing of the surface treated coal with at least one water wash medium thereby providing for the removal of further hydrophilic impuri- ties, such as mineral ash, from the coal. Apparatus for carrying out the process and the products prepared there- from are also provided.
399826
Burgess Lester E.
Fox Karl M.
Herman David E.
Mcgarry Phillip E.
Mcfadden Fincham
The Standard Oil Company
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