Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture
Patent
1994-04-06
1995-04-04
Straub, Gary P.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
2102211, 210705, 210758, 261 84, 423224, 423226, 423222, 423551, 4235766, 42324308, C02F 172, C01B 1702, C01B 1716, C01B 3170
Patent
active
054035678
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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Lee Nim Y.
Smith James W.
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