Cryogenic treatment of gas

Bravo, Jose Luis; Vinegar, Harold J

Title: Cryogenic treatment of gas

Patent · Tue Apr 03 00:00:00 EDT 2012

OSTI ID:1041188

Bravo, Jose Luis ^[1]; Vinegar, Harold J ^[2]

Houston, TX
Bellaire, TX

Systems and methods of treating a gas stream are described. A method of treating a gas stream includes cryogenically separating a first gas stream to form a second gas stream and a third stream. The third stream is cryogenically contacted with a carbon dioxide stream to form a fourth and fifth stream. A majority of the second gas stream includes methane and/or molecular hydrogen. A majority of the third stream includes one or more carbon oxides, hydrocarbons having a carbon number of at least 2, one or more sulfur compounds, or mixtures thereof. A majority of the fourth stream includes one or more of the carbon oxides and hydrocarbons having a carbon number of at least 2. A majority of the fifth stream includes hydrocarbons having a carbon number of at least 3 and one or more of the sulfur compounds.

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Research Organization:: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

Assignee:: Shell Oil Company (Houston, TX)

Patent Number(s):: 8,146,661

Application Number:: 12/250,378

OSTI ID:: 1041188

Country of Publication:: United States

Language:: English

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