Mineral oils: processes and products – Products and compositions – Lubricating oils
Patent
1982-10-15
1985-04-09
Wright, William G.
Mineral oils: processes and products
Products and compositions
Lubricating oils
208 8LE, C10G 106, C10G 100
Patent
active
045100381
ABSTRACT:
A process for liquefying coal in which a slurry comprising a petroleum or petroleum-derived solvent and particulate coal is heated in a dissolution zone to substantially dissolve the coal and produce a first effluent containing undissolved solids to which petroleum residuum is added to produce a second effluent which is distilled under reduced pressure. The process eliminates the need for physical solids separation such as filtration or centrifugation and is most advantageously employed in high-severity coal liquefaction.
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Chevron Research Company
Dickinson Q. T.
La Paglia S. R.
Roth S. H.
Wright William G.
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