Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component
Patent
1991-03-19
1994-11-08
Lewis, Michael
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Sulfur or sulfur containing component
42324401, 4232391, C01B 17033
Patent
active
053624645
ABSTRACT:
Gas reacting apparatus and method are described for wet mass transfer of solute gases from a gas stream with a liquid or slurry reacting medium capable of chemisorption of solute gases in the gas stream. The apparatus comprises an elongated conduit defining a primary reaction zone in fluid-flow communication with a fan defining both a secondary reaction zone and a spray coalescence zone, and plurality of dual fluid sprays coaxially spaced in series within the conduit and countercurrently or cocurrently directed to the gas stream for spraying the liquid or slurry reacting medium into said conduit to form a plurality of spray contact zones of uniformly-distributed fine droplets wherein intimate contact of high interfacial surface area between the sprayed liquid or slurry and the gas stream is effected to remove solute gases from the gas stream. The fan is operated at a relatively low speed to promote coalescence of droplets through droplet-droplet collisions followed by collection on the fan blades with liquid or slurry layers which, under the action of centrifugal forces, are separated in the form of an attendant annular spray zone of relatively large droplets to trap more of the solute gases. The droplets upon impingement on the fan casing are collected and removed by gravity.
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Burgess J. Stuart
Spink Donald R.
Stein Jerry Y.
Dunn Jr. Thomas G.
Lewis Michael
Turbotak Inc.
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