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Hydrogen recovery in a distributed distillation system

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A process for recovering hydrogen from a mixed hydrocarbon stream wherein the mixed hydrocarbon stream is subjected to a separation technique to produce a substantially hydrogen enriched stream, which is then recovered as hydrogen product. A process for providing refrigeration duty to the process is also disclosed, wherein a substantially methane enriched stream arising from the separation technique is expanded to provide cooling duty for the process.
Reyneke, Rian (Katy, TX), Sinclair, Iain (Walton, GB), Lee, Guang-Chung (Houston, TX), Floral, Michael J. (Aurora, IL), Logsdon, Jeffery S. (Naperville, IL), Eng, Wayne W. Y. (League City, TX), Papadopoulos, Christos G. (Naperville, IL)
10/ 740,273
December 18, 2003
[0001] This invention was made with government support under United States Department of Energy Cooperative Agreement No. DE-FC07-01ID14090.