Regeneration of liquid desiccants and acid gas absorbing liquid

Details Regeneration of liquid desiccants and acid gas absorbing liquid Regeneration of liquid desiccants and acid gas absorbing liquid

1975-06-23

1977-02-22

Sofer, Jack

Distillation: processes, separatory

Convective distillation with normally gaseous medium, e.g., air

55 32, 159DIG33, B01D 334, B01D 5302

Patent

active

040090833

ABSTRACT:
This invention relates to the low temperature regeneration of liquid desiccants and acid gas absorbing liquid desiccants. Both classes of desiccants can be regenerated to separate water and/or water and acid gases to a satifactory degree under the pressure conditions employed at temperatures substantially below the normal boiling point of the dry desiccant or desiccant-water mixture by countercurrently contacting the desiccant to be regenerated in conventional distillation equipment with the vapors of an easily condensable hydrocarbon or hydrocarbon mixture which is substantially immiscible with the regenerated desiccant at the boiling temperature of the hydrocarbon or hydrocarbon mixture employed as a stripping agent.

REFERENCES:
patent: 2529622 (1950-11-01), Michael
patent: 2603311 (1952-07-01), Frazier
patent: 3321890 (1967-05-01), Barnhart
patent: 3349544 (1967-10-01), Arnold et al.
patent: 3471370 (1969-10-01), Jubin, Jr.
patent: 3589104 (1971-06-01), Panzarella
patent: 3658656 (1972-04-01), Adica et al.

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