Processing shale oil cuts by hydrotreating and removal of arseni

Details Processing shale oil cuts by hydrotreating and removal of arseni Processing shale oil cuts by hydrotreating and removal of arseni

1978-06-05

1979-01-09

Crasanakis, George

Mineral oils: processes and products

Refining

Nitrogen contaminant removal

C10G 2302

Patent

active

041337450

ABSTRACT:
A method for processing shale oil to remove both nitrogen and impurities such as arsenic and/or selenium while minimizing such removal costs which comprises fractionating the shale oil feet to form a first naphtha cut which essentially boils at or below 350.degree. F and a gas oil cut which essentially boils above 350.degree. F, hydrotreating the first naphtha cut, separately removing a substantial amount of said impurity from the gas oil cut and then hydrotreating the gas oil cut. Thereafter the hydrotreated gas oil cut is fractionated to form a second naphtha cut which essentially boils above 380.degree. F and at or below 450.degree. F and has a high nitrogen content, and hydrotreating the second naphtha cut to reduce the nitrogen content.

REFERENCES:
patent: 3025230 (1962-03-01), MacLaren
patent: 3306845 (1967-02-01), Poll
patent: 4029571 (1977-06-01), Curtin
patent: 4069140 (1978-01-01), Wunderlich
patent: 4090951 (1978-05-01), Smith

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