The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 31, 2017

Filed:

Dec. 23, 2013
Applicant:

Gas Technologies Llc, Walloon Lake, MI (US);

Inventors:

Evan Michael Visser, Hull, IA (US);

Ian Lawrence Gaffney, Los Gatos, CA (US);

Walter Briedenstein, Boyne Falls, MI (US);

Assignee:

GAS TECHNOLOGIES LLC, Walloon Lake, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 27/00 (2006.01); C07C 29/50 (2006.01); B01J 19/24 (2006.01);
U.S. Cl.
CPC ...
C07C 29/50 (2013.01); B01J 19/24 (2013.01); B01J 2219/00006 (2013.01); B01J 2219/00105 (2013.01); B01J 2219/24 (2013.01);
Abstract

A method includes a step of supplying a first heated hydrocarbon-containing gas stream to a reactor. An oxygen-containing gas stream is separately supplied to the reactor to partially oxidize the hydrocarbon-containing gas stream. The oxygen-containing gas is optionally prepared by passing air through one or more membranes to increase the oxygen content. One or more of the desired liquid oxygenated hydrocarbons are condensed and/or separated from the resulting product stream. Non-hydrocarbon gases are selectively removed from the product stream to enrich the gaseous hydrocarbon fraction using a scrubber and/or a membrane. The remaining gaseous hydrocarbon products from the product stream are mixed with a fresh hydrocarbon-containing gas stream after one cycle of the reaction. Characteristically, the process uses at least one membrane to increase oxygen content of the oxygen containing gas and/or to remove non-hydrocarbon gases from the product stream as set forth above.


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