C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/118
C01B 17/90 (2006.01)
Patent
CA 1155634
PR-4915 PRODUCTION OF LIQUID SULFUR TRIOXIDE Abstract of the Invention Sulfur trioxide is recovered in liquid form by condensation from a gas containing sulfur trioxide. The gas is cooled to a temperature from about 80°F. to about 90°F. (about 26.7°C. to about 32°C.) and con- tinually introduced into a condenser whereby sulfur trioxide is condensed and continuously removed from the condenser surfaces as it condenses. The condensed sulfur trioxide is continuously removed from the condenser and melted to produce liquid sulfur trioxide. The process is particularly suitable for condensing sulfur trioxide from a gas containing relatively low concentrations thereof.
355154
Hurlburt Harvey Z.
Young David G.
Gowling Lafleur Henderson Llp
Stauffer Chemical Company
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