Upgrading of residual oils using a selenium catalyst wherein sul

Details Upgrading of residual oils using a selenium catalyst wherein sul Upgrading of residual oils using a selenium catalyst wherein sul

1985-06-21

1986-07-01

Metz, Andrew H.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 89, 208 97, 208213, 208216R, 208251H, 502215, C10G 4504, C10G 6904

Patent

active

045978557

ABSTRACT:
A hydrocarbon containing feed stream, e.g., a heavy oil or residuum, is contacted under suitable reaction conditions with a free hydrogen containing gas and a selenium compound, preferably selenium dioxide, so as to produce a hydrocarbon stream having an increased API.sup.60 gravity. Generally the amounts of impurities (sulfur, coke precursors, metals) contained in the feed stream are reduced in this hydrotreating process.

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patent: 4534848 (1985-08-01), Sanada et al.

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