Low-temperature method to regenerate carbon loaded with sulfur c

Details Low-temperature method to regenerate carbon loaded with sulfur c Low-temperature method to regenerate carbon loaded with sulfur c

1995-12-04

1998-06-23

Caldarola, Glenn

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Treating with a liquid or treating in a liquid phase,...

502 22, B01J 2036, B01J 3848, B01J 3864

Patent

active

057705372

ABSTRACT:
Disclosed is a low-temperature process for regenerating carbon adsorbents utilized in flue gas desulfurization where carbon loss is minimized. The carbon adsorbent is soaked or washed in a basic reducing solution having a pH greater than 7.0 at room temperature to remove sulfur-containing compounds from carbon.

REFERENCES:
patent: 1327222 (1920-01-01), Blardone
patent: 2455260 (1948-11-01), Murdink
patent: 4407725 (1983-10-01), Allen et al.
patent: 4434240 (1984-02-01), Pugach
patent: 5464604 (1995-11-01), Suehiro et al.
"Survey of Advanced Systems" based on Status of Flue Gas Desulfurization in the U.S., prepapred by B.A. Laseke and T.W. Devitt of PEDCo Environmental, Inc. in Symposium-vol. 1, pp. 58-84, 1981.
"Carbon Adsorption Process" based on the NATO-CCMS study, Flue Gas Desulfurization Pilot Study-Phase 1-Survey of Major Installations-Carbon-Adsorption Flue Gas Desulfurization Process, Appendix 95-K, Jan. 1979, NTIS PB-295 012, prepared by N. Haug of Umweltbundesamt and G. Oelert and G. Weiser of Battelle Institut e.V., pp. 274-281.

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