Process for the Production of Hydrocarbons for Fuels, Solvents, and Other Hydrocarbon Products
First Claim
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1. A process for converting fatty acids to paraffinic hydrocarbons, comprising the steps of:
- contacting carboxylic acid reactants with a catalyst over a support; and
isolating paraffinic hydrocarbon products from other reaction products;
wherein the carboxylic acid reactants have a chemical formula represented by R-COOH, R has at least six and no more than twenty-four carbon atoms, the basicity of the catalyst is at least approximately 0.1 mEq, the catalyst is chosen from the group platinum, palladium, nickel, nickel-molybdenum, nickel-tungsten, and platinum-copper, and the support is chosen from the group hydrotalcite, magnesium oxide, calcium oxide, a mixed oxide of ceria-zirconia, and lanthanum oxide; and
wherein carboxylic acid reactants are derived from a feedstock, which is chosen from the group plant oils, animal fats, animal oils, algae oils, and oils from heterotrophic microbial organisms.
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Abstract
Catalytic processes for converting carboxylic acids obtained from biomass and other natural or industrial sources into paraffinic or olefinic hydrocarbons through decarboxylation, along with products formed from such hydrocarbons, in which the carbon chain length, the ratio of carbon-14 to carbon-12, and the ratio of odd number to even number of carbons in the chain are among factors which are indicative or otherwise useful for the detection of hydrocarbons formed by undergoing the claimed processes.
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Citations
18 Claims
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1. A process for converting fatty acids to paraffinic hydrocarbons, comprising the steps of:
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contacting carboxylic acid reactants with a catalyst over a support; and isolating paraffinic hydrocarbon products from other reaction products; wherein the carboxylic acid reactants have a chemical formula represented by R-COOH, R has at least six and no more than twenty-four carbon atoms, the basicity of the catalyst is at least approximately 0.1 mEq, the catalyst is chosen from the group platinum, palladium, nickel, nickel-molybdenum, nickel-tungsten, and platinum-copper, and the support is chosen from the group hydrotalcite, magnesium oxide, calcium oxide, a mixed oxide of ceria-zirconia, and lanthanum oxide; and wherein carboxylic acid reactants are derived from a feedstock, which is chosen from the group plant oils, animal fats, animal oils, algae oils, and oils from heterotrophic microbial organisms. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A process for converting fatty acids to olefinic hydrocarbons, comprising the steps of:
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contacting carboxylic acid reactants with a catalyst over a support; and isolating olefinic hydrocarbon products from other reaction products; wherein the carboxylic acid reactants have a chemical formula represented by R-COOH, R has at least six and no more than twenty-four carbon atoms, the basicity of the catalyst is at least approximately 0.1 mEq, the catalyst is chosen from the group platinum, palladium, nickel, nickel-molybdenum, nickel-tungsten, and platinum-copper, and the support is chosen from the group hydrotalcite, magnesium oxide, calcium oxide, a mixed oxide of ceria-zirconia, and lanthanum oxide; and wherein carboxylic acid reactants are derived from a feedstock, which is c chosen from the group plant oils, animal fats, animal oils, algae oils, and oils from heterotrophic microbial organisms. - View Dependent Claims (17, 18)
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Specification