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Power Recovery Process

United States Patent Application

20090158737
A1
View the Complete Application at the US Patent & Trademark Office
Processes using multiple expansion turbines for efficient recovery of power from a plurality of very high pressure streams of superheated vapor are disclosed. Beneficially, processes of the invention use at least two classes of expansion turbines. Processes according to this invention are particularly useful for recovery of power from very high pressure streams of superheated steam in an olefins manufacturing process. Such streams are typically produced by thermal cracking of suitable petroleum derived feed stocks, and the olefins being produced and purified are typically ethylene and/or propylene.
Klavers, Rik (Houston, TX), Reyneke, Rian (Katy, TX), Lee, Guang-Chung (Houston, TX), Sinclair, Iain (Warrington, GB), Eng, Wayne W.Y. (Calgary, CA), Logsdon, Jeffery S. (Naperville, IL), Papadopoulos, Christos G. (Naperville, IL), Foral, Michael J. (Aurora, IL)
INEOS USA LLC (Lisle IL)
12/ 086,380
December 15, 2005
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with government support under United States Department of Energy Cooperative Agreement No. DE-FC07-O1ID 14090.