1
Ronald C Stites, Jerrod Hohman: Methods and apparatus for selectively producing ethanol from synthesis gas. Range Fuels, O Connor & Company, Ryan P O Connor, February 8, 2011: US07884253 (131 worldwide citation)

The invention provides methods and apparatus for selectively producing ethanol from syngas. As disclosed herein, syngas derived from cellulosic biomass (or other sources) can be catalytically converted into methanol, which in turn can be catalytically converted into acetic acid or acetates. Finally, ...


2
Robert E Klepper, Arie Geertsema, Shakeel H Tirmizi, Heinz Juergen Robota, Francis M Ferraro, Ronald C Stites: Methods and apparatus for producing syngas and alcohols. Range Fuels, O Connor & Company, Ryan P O Connor, March 27, 2012: US08142530 (6 worldwide citation)

This invention features methods and apparatus for producing syngas from any carbon-containing feed material. In some embodiments, a substoichiometric amount of oxygen is used to enhance the formation of syngas. In various embodiments, both oxygen and steam are added during the conversion of the feed ...


3
Ronald C Stites, Kevin T Biehle, Robert E Klepper, Richard Ridley: Multi-zone reforming methods and apparatus for conversion of devolatilized biomass to syngas. Range Fuels, O Connor & Company, Ryan P O Connor, April 5, 2011: US07919070 (4 worldwide citation)

The present invention provides improved methods and apparatus for producing syngas from any carbon-containing feed material. In one aspect, a multi-zone reformer system is provided. A first reaction zone can reduce the presence of refractory tars, while a second reaction zone in communication with t ...


4
Ronald C Stites: Methods for promoting syngas-to-alcohol catalysis. Albemarle Corporation, Jeremy J Kliebert, Marcy M Hoefling, James A Jubinsky, January 1, 2013: US08344184 (1 worldwide citation)

Improved methods of introducing promoters to catalysts are described. The present invention provides a convenient method of uniformly distributing a catalyst promoter, to provide for intimate contact between the promoter and the active catalyst sites. This intimate contact can enhance the activity a ...


5
Ronald C Stites, Shakeel Tirmizi, Jerrod Hohman, Stephen Deutch: Selective process for conversion of syngas to ethanol. Albemarle Corporation, Jeremy J Kliebert, Marcy M Hoefling, James A Jubinsky, October 16, 2012: US08288594 (1 worldwide citation)

The present invention provides processes for selectively producing ethanol from syngas. In some variations, the process comprises converting biomass-derived syngas to dimethyl ether, carbonylating the dimethyl ether to methyl acetate, hydrogenating the methyl acetate to methanol and ethanol, and rec ...


6
Robert E Klepper, Francis M Ferraro, Shakeel H Tirmizi, Arie Geertsema, Jerrod Hohman, Ronald C Stites: Methods and apparatus for producing syngas and alcohols. Range Fuels, Range Fuels, January 15, 2009: US20090014689-A1

This invention features methods and apparatus for producing syngas from any carbon-containing feed material. In some embodiments, a substoichiometric amount of oxygen is used to enhance the formation of syngas. In various embodiments, both oxygen and steam are added during the conversion of the feed ...


7
Ronald C STITES, Jerrod HOHMAN, Robert E KLEPPER, Arie GEERTSEMA, Shakeel H TIRMIZI, Francis M FERRARO: Methods and apparatus for producing syngas. Range Fuels, Range Fuels, April 9, 2009: US20090093555-A1

This invention features methods and apparatus for producing syngas from any carbon-containing feed material. In some embodiments, a substoichiometric amount of oxygen is used to enhance the formation of syngas. In various embodiments, a catalyst is derived from the ash content of the feed material, ...


8
Ronald C STITES, Shakeel Tirmizi, Jerrod Hohman, Stephen Deutch: Selective process for conversion of syngas to ethanol. Range Fuels, May 26, 2011: US20110124927-A1

The present invention provides processes for selectively producing ethanol from syngas. In some variations, the process comprises converting biomass-derived syngas to dimethyl ether, carbonylating the dimethyl ether to methyl acetate, hydrogenating the methyl acetate to methanol and ethanol, and rec ...


9
Ronald C STITES, Kevin T BIEHLE, Robert E KLEPPER, Richard RIDLEY: Multi-zone reforming methods and apparatus for conversion of devolatilized biomass to syngas. Range Fuels, June 23, 2011: US20110150722-A1

The present invention provides improved methods and apparatus for producing syngas from any carbon-containing feed material. In one aspect, a multi-zone reformer system is provided. A first reaction zone can reduce the presence of refractory tars, while a second reaction zone in communication with t ...


10
Ronald C STITES, Kevin T Biehle, Robert E Klepper, Richard Ridley: Multi-zone reforming methods and apparatus for conversion of devolatilized biomass to syngas. Range Fuels, Range Fuels, June 3, 2010: US20100137459-A1

The present invention provides improved methods and apparatus for producing syngas from any carbon-containing feed material. In one aspect, a multi-zone reformer system is provided. A first reaction zone can reduce the presence of refractory tars, while a second reaction zone in communication with t ...



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