Removal and recovery of sulfur dioxide from stack gases

Details Removal and recovery of sulfur dioxide from stack gases Removal and recovery of sulfur dioxide from stack gases

1975-02-12

1976-11-30

Lutter, Frank W.

Refrigeration

Processes

Circulating external gas

62 37, 423212, 423242, 423511, 423542, F25J 300

Patent

active

039947068

ABSTRACT:
A method and apparatus for the removal and recovery of sulfur dioxide from gaseous effluent is disclosed. Sulfur dioxide entrained in stack gases, emanated upon combustion of sulfur-bearing materials, is selectively liquefied under the combined influence of a reduction in temperature and an increase in pressure of the gaseous effluent.

REFERENCES:
patent: 1810312 (1931-06-01), Hasche
patent: 1939693 (1933-12-01), Hasche
patent: 1939694 (1933-12-01), Hasche
patent: 1939695 (1933-12-01), Hasche
patent: 2003922 (1935-06-01), Claret
patent: 2011551 (1935-08-01), Hasche
patent: 2143283 (1939-01-01), Schmidt
patent: 2162637 (1939-06-01), Pitt et al.

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