Removal of Sulfur Oxides From Flue Gas With Alkalized Alumina at Elevated Temperatures

[+] Author and Article Information
D. Bienstock, J. H. Field, J. G. Myers

U. S. Bureau of Mines, Pittsburgh, Pa.

J. Eng. Power 86(3), 353-358 (Jul 01, 1964) (6 pages) doi:10.1115/1.3677603 History: Received June 28, 1963; Online January 10, 2012


A cyclic process is described for removing the oxides of sulfur from flue gas by absorption at 625 deg F and then converting the oxides to elemental sulfur by reduction of the spent absorbent. Pilot-plant experiments are reported in which a solid absorbent of alkalized alumina in free and baffled fall is used to remove SO2 and SO3 from the combustion gas of a pulverized-cool-fired furnace. The absorbent is then regenerated by heating with hydrogen or with steam-reformed natural gas. Flyash does not interfere and attrition is negligible.

Copyright © 1964 by ASME
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