Title | Date | Subject | Description | ||
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1 | Coking poor coking coals and hydrocracked tar sand bitumen binder | 1980-11-18 | A process is described for producing metallurgical coke from poor coking coals in which there is combined with the poor coking coals a small amount of an additive consisting of a bitumen residue obtained from hydrocracking of bitumen from tar sands. The residue used is that from vacuum distillation ... |