Carbonaceos substances impregnated of aromatic pitch

Details Carbonaceos substances impregnated of aromatic pitch Carbonaceos substances impregnated of aromatic pitch

C - Chemistry, Metallurgy

10

L

44/6

C10L 9/00 (2006.01)

Patent

CA 1098698

A PROCESS FOR PRODUCING SHAFT FURNACE COKE Abstract A process is described for producing shaft furnace coke which includes the steps of (a) finely crushing at least one porous, inert carbonaceous substance selected from the group consisting of powdered coke, coal gasif- ication char, coal liquefaction residue coal, oil coke and semi-dry-distilled char; (b) mixing and impregnating said finely crushed porous, inert carbonaceous substance of step (a) with at least one aromatic pitch selected from the group consisting of coal tar, coal tar pitch, asphalt, and pitch obtained by heat-treating or solvent-extracting and asphalt, said mixing and impregnating being conducted at a temperature above the melting point of said aromatic pitch, (c) mixing said mixed and impregnated carbonaceous substance of step (b) with a crushed raw material coal (basic coal), and (d) roasting the mixture of step (c) to form a shaft furnace coke.

286943

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