31
Daniel Berian John, Gracey Benjamin Patrick: Process for the conversion of hydrocarbons into alcohol. Bp, May 20, 2009: EP2060553-A1 (149 worldwide citation)

The present invention relates to a process for the conversion of a carbonaceous feedstock to ethanol; wherein the carbonaceous feedstock is first converted to ethanoic acid, which is then hydrogenated and converted into ethanol.


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Arien Kwantes, Cornelis W J De Goederen: Process for the preparation of ethanol. Shell Oil Company, Ronald R Reper, Ronald L Clendenen, July 26, 1983: US04395576 (145 worldwide citation)

A process for the preparation of ethanol by catalytic hydration of ethylene in which the crude ethanol is separated by distillation in a first column into a bottom stream consisting of aqueous ethanol and a top stream containing diethyl ether and acetaldehyde, the bottom stream is processed further ...


33
Heinz Houben, Hans U Petzoldt, Joachim Stegemann: Apparatus for producing ethanol. Huftung Fried Krupp Gesellschaft mit beschrankter, Sughrue Mion Zinn Macpeak and Seas, July 7, 1987: US04678543 (144 worldwide citation)

Apparatus is provided for simultaneously producing various forms of alcohol, including ethanol, which can likewise be withdrawn from the apparatus simultaneously. To this end, successive columns in the individual processing stages, each of which includes distillation, rectification, purification and ...


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Dan Verser, Timothy J Eggeman: Process for producing ethanol. ZeaChem, Sheridan Ross P C, April 1, 2008: US07351559 (142 worldwide citation)

A process for producing ethanol including a combination of biochemical and synthetic conversions results in high yield ethanol production with concurrent production of high value coproducts. An acetic acid intermediate is produced from carbohydrates, such as corn, using enzymatic milling and ferment ...


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Dan W Verser, Timothy J Eggeman: Process for producing ethanol from corn dry milling. Zeachem, Sheridan Ross P C, July 11, 2006: US07074603 (142 worldwide citation)

A process for producing ethanol by the conversion of carbohydrates from a corn dry milling process in which the bottoms fraction from distillation of ethanol in a conventional yeast fermentation is used in a process including a combination of biochemical and synthetic conversions. The process result ...


37
Bradley Michael William, Harris Norman, Turner Keith: Process for the production of ethanol.. Davy Mckee London, April 4, 1984: EP0104197-A1 (141 worldwide citation)

Ethanol is produced by carbonylation of methanol by reaction with carbon monoxide in the presence of a carbonylation catalyst to form acetic acid which is then converted to an acetate ester followed by hydrogenolysis of the acetate ester formed to give ethanol or a mixture of ethanol and another alc ...


38
Victor J Johnston, Laiyuan Chen, Barbara F Kimmich, Josefina T Chapman, James H Zink: Direct and selective production of ethanol from acetic acid utilizing a platinum/tin catalyst. Celanese International Corporation, January 4, 2011: US07863489 (140 worldwide citation)

A process for the selective production of ethanol by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethanol is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over a platinum and tin supported on silica, graphite, ...


39
Stein Theodore W: Recovering ethanol from aqueous acetic acid solutions.. Halcon Sd Group, April 17, 1985: EP0137749-A2 (140 worldwide citation)

Dilute aqueous acetic acid streams are treated by a sequence of steps whereby the acetic acid values are converted to ethanol which may be recovered in substantially anhydrous form. The acetic acid is extracted from water with an extractive solvent and esterioed by reaction with an alcohol such as a ...


40
Winter Christopher Leslie: Process for the production of alcohols.. Humphreys & Glasgow, January 8, 1986: EP0167300-A1 (139 worldwide citation)

A process is disclosed for the production of an aliphatic alcohol having at least two carbon atoms, preferably ethanol, from a carbonaceous feedstock, preferably natural gas, via an intermediate aliphatic alcohol having one less carbon atom, preferably methanol, via an intermediate compound containi ...



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