System for continuously and catalytically removing arsenic from

Details System for continuously and catalytically removing arsenic from System for continuously and catalytically removing arsenic from

1988-02-03

1989-04-25

Woodard, Joye

Distillation: apparatus

Apparatus

Systems

422190, 422223, B01J 802, B01J 2390

Patent

active

048245267

ABSTRACT:
Arsenic can be continuously removed from shale oil by passing the shale oil through a first guard bed containing catalyst capable of substantially reducing the arsenic content of the oil, until the desired amount of arsenic is removed. The flow of the shale oil is thereafter directed to a second guard bed containing another or similar catalyst capable of substantially reducing the arsenic content of the oil. Concurrently, the spent catalyst in the first bed is regenerated in situ so that continuous upgrading of the shale oil is achieved.

REFERENCES:
patent: 2778779 (1957-01-01), Donaldson
patent: 2924632 (1960-01-01), Baumann
patent: 3650983 (1972-03-01), Miller
patent: 3767563 (1973-10-01), Woodle
patent: 4003829 (1977-01-01), Burger et al.
patent: 4046674 (1977-09-01), Young
patent: 4069140 (1978-01-01), Wunderlich
patent: 4101444 (1978-07-01), Burk et al.
patent: 4518490 (1985-05-01), Fish

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