Filtration

Details Filtration Filtration

C - Chemistry, Metallurgy

10

G

196/12

C10G 1/04 (2006.01)

Patent

CA 1127103

CASE 3999/4113 "IMPROVEMENTS IN FILRATION" Abstract of the Disclosure In the extraction of coal using a liquid solvent oil, filtration can be assisted by using a filter aid which is of coal origin. The filter aid is produced by high temperature processing of coal or an ash-rich coal-derived residue under conditions at which the ash component of the coal or residue does not fuse. A preferred starting material is filter cake from a coal extraction process.

335780

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