Dimethyl ether fuel compositions and uses thereof

a technology of dimethyl ether and fuel composition, which is applied in the petroleum industry, gaseous fuels, liquid carbonaceous fuels, etc., can solve the problems of slow development of the market for dme fuels and lack of current infrastructure to deploy dme as liquid transportation fuels

Inactive Publication Date: 2012-03-01
MAVERICK BIOFUELS
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  • Abstract
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Problems solved by technology

The market for DME fuels has been slow to develop, particularly in the United States.
There is

Method used

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Embodiment Construction

[0030]This description will enable one skilled in the art to make and use the invention, and it describes several embodiments, adaptations, variations, alternatives, and uses of the invention, including what is presently believed to be the best mode of carrying out the invention.

[0031]As used in this specification and the appended claims, the singular forms “a,”“an,” and “the” include plural referents unless the context clearly indicates otherwise. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as is commonly understood by one of ordinary skill in the art to which this invention belongs. As used herein, a “composition,”“blend,” or “mixture” are all intended to be used interchangeably.

[0032]Unless otherwise indicated, all numbers expressing parameters, conditions, concentrations, and so forth used in the specification and claims are to be understood as being modified in all instances by the term “about.” Accordingly, unless indicated to...

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Abstract

The present invention provides useful fuel compositions which may be produced substantially from renewable resources, such as biomass, to provide green fuel compositions, methods, and systems. In some embodiments, fuel compositions include dimethyl ether and one or more C2 or larger alcohol, such as ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, isobutanol, or tert-butanol. In some embodiments, fuel compositions include dimethyl ether and one or more C2 or larger hydrocarbons, such as propane, propylene, propyne, and propadiene, n-butane, isobutane, isobutylene, 1-butene, 2-butene, or 1,3-butadiene. Methods of making these novel DME-based fuel compositions, particularly from biomass-derived syngas, are described. Various applications and methods of using the fuel compositions, such as portable cylinder fuels for camping, are disclosed. Additionally, principles of burner design for these fuel compositions are disclosed herein.

Description

PRIORITY DATA[0001]This patent application claims priority under 35 U.S.C. §120 from U.S. Provisional Patent Application Nos. 61 / 410,965; 61 / 410,967; and 61 / 410,968, each filed Nov. 8, 2010, the disclosures of which are hereby incorporated by reference herein for all purposes.FIELD OF THE INVENTION[0002]This invention generally relates to the field of fuel compositions that include dimethyl ether, as well as apparatus to store and combust such fuel compositions.BACKGROUND OF THE INVENTION[0003]Synthesis gas (hereinafter referred to as syngas) is a mixture of hydrogen (H2) and carbon monoxide (CO). Syngas can be produced, in principle, from virtually any material containing carbon. Carbonaceous materials commonly include fossil resources such as natural gas, petroleum, coal, and lignite; and renewable resources such as lignocellulosic biomass and various carbon-rich waste materials. It is preferable to utilize a renewable resource to produce syngas because of the rising economic, env...

Claims

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Application Information

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IPC IPC(8): C10L1/185
CPCC10L3/00C10L1/04
Inventor STITES, RONALD C.ALDOUS, DAVID
Owner MAVERICK BIOFUELS
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