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

1986-11-18

Metz, Andrew H.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 96, 208254R, 208254H, 208282, C10G 700, C10G 2116

Patent

active

046234446

ABSTRACT:
A method for reducing the nitrogen content of shale oil is disclosed. The method comprises distilling shale oil to form a distillate containing lighter shale oil compounds and a residue containing heavier compounds. Nitrogen-containing compounds are extracted from the distillate to form a first nitrogen-lean raffinate and a first nitrogen-rich extract. Nitrogen-containing compounds are also extracted from the residue to form a second nitrogen-lean raffinate and a second nitrogen-rich extract. The second nitrogen-lean raffinate is hydro-treated to further reduce its nitrogen content.

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