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:
Feb. 23, 2016

Filed:

Nov. 26, 2012
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventor:

Masaki Iijima, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/09 (2006.01); C10G 3/00 (2006.01); C10L 1/06 (2006.01); C07C 29/151 (2006.01); C01B 3/38 (2006.01);
U.S. Cl.
CPC ...
C07C 41/09 (2013.01); C01B 3/382 (2013.01); C07C 29/1518 (2013.01); C10G 3/00 (2013.01); C10G 3/42 (2013.01); C10L 1/06 (2013.01); C01B 2203/0233 (2013.01); C01B 2203/061 (2013.01); C01B 2203/0811 (2013.01); C01B 2203/1058 (2013.01); C01B 2203/1241 (2013.01); C01B 2203/142 (2013.01); C10G 3/49 (2013.01); C10G 2400/02 (2013.01);
Abstract

A system or method for producing gasoline or dimethyl ether from natural gas via methanol includes: steam-reforming natural gas to generate reformed gas; synthesizing methanol from the reformed gas; synthesizing gasoline or dimethyl ether from the methanol; and at least one is selected from the group consisting of: pre-reforming natural gas prior to the steam-reforming; recovering carbon dioxide from flue gas generated in the steam-reforming; and preheating combustion air to be supplied to the steam-reforming by using synthesis heat generated in the synthesis of gasoline or dimethyl ether. In addition, an overall energy balance of the system is constructed by using heat recovery from flue gas generated in the steam-reforming, heat recovery from the reformed gas, synthesis heat generated in the synthesis of methanol, synthesis heat generated in the synthesis of gasoline or DME, and heat recovered in the pre-reforming, carbon dioxide recovering, or air preheating, respectively if selected.


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