Method of upgrading residua

Details Method of upgrading residua Method of upgrading residua

1991-04-05

1993-04-20

Morris, Theodore

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 58, 208 80, 208 89, 208 94, C01G 6500, C01G 6514, C01G 4500, C01G 5906

Patent

active

052039870

ABSTRACT:
Residua comprises upgraded by first partitioning a hydrocracked residua into a vapor fraction and a liquid fraction. The vapor fraction is hydrotreated forming a first hydrotreated product. The liquid fraction is partitioned into a residua fraction and a light liquid fraction. The light liquid fraction can be hydrotreated or hydrocracked to form a hydroprocessed product. The hydrotreated product and the hydroprocessed product are then combined forming a substantially upgraded synthetic crude product refinable as a routine crude in a refinery into products that meet stringent specifications. In particular, residua can be upgraded to make a quality jet fuel fraction and a naphtha fraction containing less than 1 ppmw sulfur and nitrogen.

REFERENCES:
patent: 4675274 (1979-08-01), Kwant

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