Process for increasing pitch yield from coal tar

Details Process for increasing pitch yield from coal tar Process for increasing pitch yield from coal tar

C - Chemistry, Metallurgy

10

C

C10C 3/02 (2006.01)

Patent

CA 2128332

Described is a preferred process for obtaining an increased pitch yield from the distillation of crude coal tar material. The process includes treating a crude coal tar material by reaction with formaldehyde, followed by distillation of the coal tar to afford a yield of coal tar pitch which is significantly increased over that obtained without the formaldehyde treatment.

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