Dual impeller method and apparatus for effecting chemical conver

Details Dual impeller method and apparatus for effecting chemical conver Dual impeller method and apparatus for effecting chemical conver

1993-04-19

1995-04-18

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422169, 422170, 422224, 422225, 422236, 422189, 210703, 2102211, 4235762, 4235764, 4235766, B01D 5336

Patent

active

054076463

ABSTRACT:
Hydrogen sulfide or other gaseous component is removed from a gas stream containing the same by distribution of the gas stream in the form of fine bubbles by a rotary impeller and stationary shroud arrangement at a submerged location in an aqueous iron or other transition metal chelate solution, or other suitable catalyst, contained in an enclosed reaction vessel. Sulfur particles, or other insoluble phase product, of narrow particle size range formed in the reaction are floated off from the iron chelate solution. An oxygen-containing gas stream also is distributed in the form of fine bubbles by a separate rotary impeller and stationary shroud arrangement at a separate submerged location in the iron chelate solution. The second submerged location generally is separated from the first by a baffle extending downwardly in the reaction vessel from a top closure towards a bottom closure.

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Chemical Abstracts, vol. 81, No. 8, 1974, (Columbus, Ohio, US), p. 242, abstract 41073s & JP, A, 7385475 (Tabata Kagaku Co. Ltd) 13 Nov. 1973.

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