Gas separation: processes – Liquid contacting – Including foaming of liquid to aid in the separation
Patent
1997-03-11
1998-05-12
Smith, Duane S.
Gas separation: processes
Liquid contacting
Including foaming of liquid to aid in the separation
95237, 96271, 96322, 96372, B01D 4706
Patent
active
057499446
ABSTRACT:
In a method for removing dimethyl ester vapors or particles emitted from a molten dimethyl ester storage tank, a gaseous mixture containing dimethyl ester vapors or particles and an inert gas are supplied to an inlet port of a water scrubber. Water is continuously sprayed through downstream spray nozzles located inside the water scrubber whereby the water and air mix with the gaseous mixture to form a foamy mixture of dimethyl ester, air and water. Water through an upstream spray nozzle located inside the water scrubber is intermittently sprayed to wash an inner wall of an elongated body and the inlet port of the water scrubber to remove buildup of dimethyl ester particles. The foamy mixture is continuously removed from an outlet port. The water scrubber utilized in the method has an elongated body having an inner wall, a top with an orifice for receiving air, and a bottom with an outlet port. The inlet port is positioned on the body between the top and the bottom of the water scrubber. At least one upstream water spray nozzle is positioned between the inlet port and the top. At least two downstream spray nozzles are positioned between the inlet port and the outlet port. The spray nozzles operates with a downward flow of water.
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Cook William L.
Johnson Elliott Will Henry
Stepp, III Robert Wellington
Eastman Chemical Company
Gwinnell Harry J.
Smith Duane S.
Tubach Cheryl J.
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