Alcohol and fuel production

Details Alcohol and fuel production Alcohol and fuel production

1981-12-18

1984-01-10

Howard, Jacqueline V.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 53, 44 77, 568913, 568918, 203 43, C10L 118

Patent

active

044251378

ABSTRACT:
Alcohol/water mixtures, such as those produced by fermentation of biomass material, are separated by extraction of alcohol with a solvent, comprising a higher aliphatic alcohol in major amount and an aliphatic hydrocarbon in minor amount, especially suited to such extraction and to subsequent removal. The solvent alcohol desirably has a branched chain, or the hydrocarbon an unsaturated bond, or both. Conventional distillation steps to concentrate alcohol and eliminate water are rendered unnecessary at a considerable reduction in heat energy requirement (usually met with fossil fuel). Optional addition of gasoline between the solvent extraction and solvent recovery steps not only aids the latter separation but produces alcohol already denatured for fuel use.

REFERENCES:
patent: 4161429 (1979-07-01), Baiel
patent: 4251231 (1981-02-01), Baird
patent: 4306884 (1981-12-01), Roth

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