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Recovery and purification of ethylene

United States Patent

October 21, 2008
View the Complete Patent at the US Patent & Trademark Office
A process for the recovery and purification of ethylene and optionally propylene from a stream containing lighter and heavier components that employs an ethylene distributor column and a partially thermally coupled distributed distillation system.
Reyneke; Rian (Katy, TX), Foral; Michael J. (Aurora, IL), Lee; Guang-Chung (Houston, TX), Eng; Wayne W. Y. (League City, TX), Sinclair; Iain (Warrington, GB), Lodgson; Jeffery S. (Naperville, IL)
Ineos USA LLC (Lisle, IL)
11/ 017,159
December 20, 2004
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under United States Department of Energy Cooperative Agreement No. DE-FC07-01ID 14090.