Process for producing environmentally improved coke binder

Details Process for producing environmentally improved coke binder Process for producing environmentally improved coke binder

C - Chemistry, Metallurgy

10

C

196/3, 44/47

C10C 3/00 (2006.01) C10L 1/16 (2006.01)

Patent

CA 2002828

-1- A pitch material is obtained which is environmentally acceptable and which is useful as a coke binder. It is produced by upgrading a petroleum or bitumen derived pitch having a boiling point above 524°C obtained as a residue in the hydrocracking of hydrocarbon oils. The upgrading consists of heating the petroleum or bitumen derived pitch in a closed vessel at an elevated pressure and a temperature of about 350-450°C. The product has a very low polycyclic aromatic hydrocarbon content as compared with coal tar pitch.

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