Two-stage coal liquefaction

Details Two-stage coal liquefaction Two-stage coal liquefaction

C - Chemistry, Metallurgy

10

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196/5.2

C10G 1/04 (2006.01) C10G 1/00 (2006.01) C10G 45/44 (2006.01)

Patent

CA 1104080

ABSTRACT Two-stage coal liquefaction is improved by separating a light fraction from the first (dissolving) stage effuent, hydro- genating that fraction and reblending the hydrogenated light fraction with the material passed from the first stage to the second stage reactor operating at higher temperature than the first stage.

304080

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