1
Bowie G Keefer, Matthew L Babicki, Mark H Kirby: Enhanced solid oxide fuel cell systems. QuestAir Technologies, Klarquist Sparkman, October 23, 2007: US07285350 (60 worldwide citation)

Enhanced high temperature fuel cell systems, such as solid oxide fuel cell systems and molten carbonate fuel cell systems are disclosed. Embodiments of the disclosure include solid oxide and molten carbonate fuel cell systems incorporating gas separation apparati facilitating the recycle of hydrogen ...


2
Bowie G Keefer, Matthew L Babicki, Andre Jason Joseph Boulet, Aaron M Pelman, Brian G Sellars, Surajit Roy: Gas separation by combined pressure swing and displacement purge. QuestAir Technologies, Klarquist Sparkman, June 7, 2005: US06902602 (59 worldwide citation)

The present disclosure relates to systems and processes for adsorptive gas separations where a first gas mixture including components A and B is to be separated so that a first product of the separation is enriched in component A, while component B is mixed with a third gas component C contained in ...


3
Matthew L Babicki, Bowie G Keefer, Andrea C Gibbs, Alberto I IaCava, Frank Fitch: PSA with adsorbents sensitive to contaminants. The BOC Group, QuestAir Technologies, Klarquist Sparkman, May 2, 2006: US07037358 (55 worldwide citation)

Disclosed embodiments address contaminant management challenges that arise during production of desirably contaminant free product fluid in the operation of PSA equipment, and further address the more serious challenges that arise under intermittent operation of PSA equipment. One disclosed embodime ...


4
Matthew L Babicki, Bowie G Keefer, Andrea C Gibbs, Alberto I LaCava, Frank R Fitch: PSA with adsorbents sensitive to contaminants. QuestAir Technologies, Klarquist Sparkman, January 9, 2007: US07160367 (41 worldwide citation)

Disclosed embodiments address contaminant management challenges that arise during production of desirably contaminant free product fluid in the operation of PSA equipment, and further address the more serious challenges that arise under intermittent operation of PSA equipment. One disclosed embodime ...


5
Edward J Rode, Andre J J Boulet, Aaron M Pelman, Matthew L Babicki, Bowie G Keefer, James A Sawada, Soheil Alizadeh Khiavi, Surajit Roy, Andrea C Gibbs, Steven M Kuznicki: Engineered adsorbent structures for kinetic separation. Xebec Adsorption, Klarquist Sparkman, January 12, 2010: US07645324 (30 worldwide citation)

Improved adsorbent sheet based parallel passage adsorbent structures for enhancing the kinetic selectivity of certain kinetic-controlled adsorption processes, such as PSA, TSA and PPSA processes, and combinations thereof, are provided. The enhancements in kinetic selectivity made possible through th ...


6
Bowie G Keefer, Christopher R McLean, Matthew L Babicki: Life support oxygen concentrator. QuestAir Technologies, Klarquist Sparkman, July 31, 2007: US07250073 (18 worldwide citation)

Gas separation by pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA), to obtain a purified product gas of the less strongly adsorbed fraction of the feed gas mixture, is performed with an apparatus having a plurality of adsorbers. The adsorbers cooperate with first and secon ...


7
Bowie G Keefer, Matthew L Babicki: Hydrogen recycle for solid oxide fuel cell. QuestAir Technologies, Klarquist Sparkman, June 17, 2008: US07387849 (15 worldwide citation)

The present disclosure relates to solid oxide fuel cells (SOFCs) exploiting gas separation devices in which a first gas mixture including components A (for example hydrogen) and B (for example carbon dioxide) is to be separated so that a first product of the separation is enriched in component A, wh ...


8
Brian G Sellars, Matthew L Babicki, Bowie G Keefer, Edson Ng: Method of hydrogasification of biomass to methane with low depositable tars. Klarquist Sparkman, February 26, 2013: US08383871 (14 worldwide citation)

Embodiments of a thermochemical method to convert lignocellulosic biomass to a useful fuel are disclosed in a process sequence resulting in low levels of depositable tars in the output gas stream. One disclosed embodiment comprises performing a sequence of steps at elevated pressure and elevated hyd ...


9
James A Sawada, Matthew L Babicki, Amy Chiu, Andre Boulet, Surajit Roy, Edward J Rode: Separation of carbon dioxide from other gases. Xebec Adsorption, Klarquist Sparkman, November 9, 2010: US07828877 (12 worldwide citation)

An inventive adsorptive gas separation process is provided capable of producing a purified methane product gas as a light non-adsorbed product gas as opposed to a heavy desorbed exhaust gas component, from a feed gas mixture comprising at least methane, and carbon dioxide. In an embodiment of the in ...


10
Matthew L Babicki, Brian G Sellars, Bowie G Keefer, Edson Ng: Process and system for thermochemical conversion of biomass. G4 Insights, Klarquist Sparkman, September 24, 2013: US08541637 (11 worldwide citation)

A system and method for converting biomass into fluid hydrocarbon products to minimize the use of fossil fuels, provide energy and chemical feedstock security, and sustainable and/or carbon neutral electric power, are disclosed. For example, fast pyrolysis can be performed on biomass to produce pyga ...