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Electrochemical conversion of polyalcohols to hydrocarbons

a technology of hydrocarbon conversion and electrochemical conversion, which is applied in the direction of electrolytic organic production, energy input, oxygen/ozone/oxide/hydroxide, etc., can solve the problems of overall process, hsub>3/sub>posub>3/sub>, and the use of hi as the cost of the carbohydrate conversion process described abov

Inactive Publication Date: 2007-09-20
RGT UNIV OF CALIFORNIA
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]The present invention meets these and other needs by providing a method of making hydrocarbons from polyalcohols, such as carbohydrates. The polyalcohols or carbohydrates may be provided from biomass, including paper, cardboard, or urban generated paper product waste; wood and wood products, including forest slash and deadfall;

Problems solved by technology

The major expense incurred by the carbohydrate conversion process described above is the use of HI.
This method adds the cost of H3PO3, which is consumed as HI is recycled, to that of the overall process.
The current method for converting carbohydrates does not minimize the cost and effort required to regenerate HI.

Method used

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  • Electrochemical conversion of polyalcohols to hydrocarbons
  • Electrochemical conversion of polyalcohols to hydrocarbons
  • Electrochemical conversion of polyalcohols to hydrocarbons

Examples

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Embodiment Construction

[0016]In the following description, like reference characters designate like or corresponding parts throughout the several views shown in the figures. It is also understood that terms such as “top,”“bottom,”“outward,”“inward,” and the like are words of convenience and are not to be construed as limiting terms. In addition, whenever a group is described as either comprising or consisting of at least one of a group of elements and combinations thereof, it is understood that the group may comprise or consist of any number of those elements recited, either individually or in combination with each other.

[0017]Referring to the drawings in general and to FIG. 1 in particular, it will be understood that the illustrations are for the purpose of describing a particular embodiment of the invention and are not intended to limit the invention thereto.

[0018]For the purposes of understanding the invention, the term “hydrocarbon” is intended to mean compounds consisting of carbon and hydrogen. In s...

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PUM

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Abstract

A method of making hydrocarbons from polyalcohols, such as carbohydrates. The polyalcohols and carbohydrates may be provided from biomass, including paper, cardboard or urban generated paper product waste; wood and wood products, including forest slash and deadfall; agricultural waste; and the like. The polyalcohols and carbohydrates are combined with hydroiodic acid in aqueous solution to form the hydrocarbon and elemental iodine. Hydroiodic acid is then electrochemically regenerated by reducing the elemental iodine in a parallel reaction. A method of electrochemically generating hydroiodic acid from elemental iodine in aqueous solution is also described.

Description

RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 60 / 782,905, filed Mar. 15, 2006.STATEMENT REGARDING FEDERAL RIGHTS[0002]This invention was made with government support under Contract No. DE-AC51-06NA25396, awarded by the U.S. Department of Energy. The government has certain rights in the invention.BACKGROUND OF INVENTION[0003]The invention relates to the conversion of polyalcohols to hydrocarbons. More particularly, the invention relates to conversion of polyalcohols to hydrocarbons by reaction with hydroiodic acid (HI). Even more particularly, the invention relates to conversion of carbohydrates to hydrocarbons combined with the regeneration of HI.[0004]A variety of applications use aliphatic hydrocarbons, including combustion fuels for heating, transportation, manufacturing, power generation, and the like. As world oil reserves dwindle, however, other means of maintaining hydrocarbon production rates at their current level must be ...

Claims

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Application Information

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IPC IPC(8): C25B1/24
CPCC01B13/0207C25B3/00C10L1/02Y02P20/133
Inventor PETERSON, OTIS G.SANSINENA, JOSE M.CURRIER, ROBERT P.COATES, DON M.
Owner RGT UNIV OF CALIFORNIA
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