C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/12
C10G 1/00 (2006.01) C10G 1/04 (2006.01) C10G 1/06 (2006.01) C10G 31/09 (2006.01)
Patent
CA 1071129
ABSTRACT OF THE DISCLOSURE An improvement in the separation of suspended solids from coal- derived liquids by a separations process in which solids size is a separations parameter is achieved by contacting the coal-derived liquid containing suspended solids with an effective amount of an additive selected from the group of sulfuric acid, phosphoric acid, phosphoric anhydride and salts of sulfuric and phsophoric acid, and maintaining the contacted liquid at a temperature within the range of about 150-400°C and for a time sufficient to achieve the desired separation rate.
276949
Katz Sidney
Rodgers Billy R.
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