Treatment of effluent gases for pollution removal and recovery o

Details Treatment of effluent gases for pollution removal and recovery o Treatment of effluent gases for pollution removal and recovery o

1991-12-19

1993-08-17

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 12, F25J 100

Patent

active

052358151

ABSTRACT:
A method and apparatus for removing atmospheric pollutants and for producing carbon dioxide and hydrochloric acid from effluent gas streams. The effluent gas is first subjected to cryogenic refrigeration to remove many of the atmospheric pollutants as liquids and the residual gas stream is subjected to centrifugation while the carbon dioxide is frozen to occlude particulate solids and while the gaseous hydrochloric acid and nitrogen gas, oxygen gas, and miscellaneous gases are liquified and separated from the frozen carbon dioxide by centrifugal force, removal of the frozen carbon dioxide to discharge, against the resistance caused by the centrifugal force.

REFERENCES:
patent: 3160490 (1964-12-01), Fabre et al.
patent: 3224208 (1965-12-01), Schumberger et al.
patent: 3236057 (1966-02-01), Hashemi-Tafreshi
patent: 3324668 (1967-06-01), Lohrenz et al.

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