Upgrading shale oil by a combination process

Details Upgrading shale oil by a combination process Upgrading shale oil by a combination process

1985-06-27

1986-08-12

Metz, Andrew H.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 50, 208 97, 208110, 208133, 208251R, 208254R, 208254H, 208282, C10G 2116

Patent

active

046054898

ABSTRACT:
A method for reducing the nitrogen content of shale oil is disclosed. The method comprises selectively extracting nitrogen-containing compounds to form a nitrogen-lean raffinate and a nitrogen-rich extract. The nitrogen-lean raffinate is distilled to form a distillate having a further reduced nitrogen content and a bottoms having a further increased nitrogen content. The bottoms is hydrotreated to remove nitrogen-containing compounds. Extracted shale oil compounds may be combined with the bottoms prior to the hydrotreatment or may be used to generate hydrogen gas for the hydrotreatment. Arsenic-containing compounds are removed from the distillate by extraction.

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