Removing sulfur dioxide from gas streams with retorted oil shale

Details Removing sulfur dioxide from gas streams with retorted oil shale Removing sulfur dioxide from gas streams with retorted oil shale

Filed on

1977-07-12

Date issued

1978-11-14

Examiner

Novosad, Stephen J.

Patent Class

Wells

SubClass

Processes

SubSubClass

In situ combustion

Other Related Categories

166302, 299 2, 208 11R, E21B 4324, E21C 4110

Type

Patent

Status

active

Patent number

041251571

Description

ABSTRACT:
Sulfur dioxide is removed from a gas stream by passing the gas through retorted oil shale particles containing alkaline earth metal oxides.

REFERENCES:
patent: 3072187 (1963-01-01), Carr
patent: 3086853 (1963-04-01), Brandberg
patent: 3454958 (1969-07-01), Parker
patent: 3548938 (1970-12-01), Parker
patent: 3551093 (1970-12-01), Myers et al.
patent: 3578080 (1971-05-01), Closmann
patent: 3661423 (1972-05-01), Garret
patent: 3969089 (1976-07-01), Moss et al.
patent: 4005752 (1977-02-01), Cha
patent: 4014575 (1977-03-01), French et al.

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