1
Jitendra G Patel, William A Sandstrom, Paul B Tarman: Process for the production of fuel gas from coal. Institute of Gas Technology, Allegretti Newitt Witcoff & McAndrews, February 16, 1982: US04315758 (63 worldwide citation)

An improved apparatus and process for the conversion of hydrocarbonaceous materials, such as coal, to more valuable gaseous products in a fluidized bed gasification reaction and efficient withdrawal of agglomerated ash from the fluidized bed is disclosed. The improvements are obtained by introducing ...


2
Paul B Tarman, David P Chynoweth: Hybrid bio-thermal gasification. Institute of Gas Technology, Thomas W Speckman, September 15, 1981: US04289625 (59 worldwide citation)

A hybrid bio-thermal gasification process for improved carbonaceous gasification wherein a biological feed is anaerobically digested with product methane and carbon dioxide containing gas withdrawn from the digester and biological residue separately withdrawn from the digester and introduced into a ...


3
Paul B Tarman, Dharamvir Punwani: Thermochemical beneficiation of low rank coals. Institute of Gas Technology, Thomas W Speckman, April 1, 1986: US04579562 (37 worldwide citation)

A process and apparatus for thermochemical beneficiation of carbonaceous solids, such as low rank coals and biomass, by countercurrently passing a moving bed of the solids in contact with a liquid in an amount sufficient to flush product liquids having dissolved and suspended products and make-water ...


4
Sambhunath Ghosh, David P Chynoweth, Paul B Tarman: Two phase anaerobic digestion. Institute of Gas Technology, Thomas W Speckman, September 29, 1987: US04696746 (28 worldwide citation)

A two phase anaerobic digestion process for production of methane from organic carbonaceous material in which an active acid forming microbial population is maintained in a first acid forming digestion phase and an active methane forming microbial population is maintained in a second methane forming ...


5
Paul B Tarman: Isothermal thermo-cyclic processing. Institute of Gas Technology, Thomas W Speckman, Douglas H Pauley, November 20, 1990: US04971605 (18 worldwide citation)

Substantially isothermal thermo-cyclic chemical and physical processes are achieved by conduct of the thermo-cyclic process conducting the thermo-cyclic process in thermal exchange relation with a sufficient quantity of transition thermal absorption/release material to operate the thermo-cyclic proc ...


6
William W Bodle, Paul B Tarman: Solvent extraction of organic oils and solvent recovery. Institute of Gas Tehnology, Thomas W Speckman, September 8, 1987: US04692238 (14 worldwide citation)

A process for recovery of organic oils and residues in association with inorganic solids by solvent extraction and for the recovery of solvent used for the extraction. The organic solvent extracted inorganic solids having remaining associated organic solvent is fluidized in a bed with fluidizing gas ...


7
Bernard S Lee, Paul B Tarman, Dharam V Punwani: Treatment of solids in fluidized bed burner. Institute of Gas Technology, Thomas W Speckman, September 15, 1987: US04693682 (13 worldwide citation)

A process for thermal treatment of solid particles in a fluidized bed wherein the solid particles by thermal treatment form a lighter weight fraction and a heavier weight fraction, relative to the total contents of the bed. The process is characterized by use of a selective heavier particle discharg ...


8
David P Chynoweth, Paul B Tarman: Hybrid bio-thermal liquefaction. Institute of Gas Technology, Thomas W Speckman, June 8, 1982: US04334026 (13 worldwide citation)

A hybrid bio-thermal liquefaction process for improved carbonaceous liquefaction to produce alcohol containing fuels wherein an organic carbonaceous feed is subjected to active fermentation producing alcohol containing liquid fuel product and fermentation residue, the fermentation residue being intr ...


9
Sanford A Weil, Paul B Tarman, Dharamvir Punwani: Process for production of hydrocarbon liquid from oil shale. Institute of Gas Technology, Thomas W Speckman, January 18, 1977: US04003821 (8 worldwide citation)

A process for producing hydrocarbon liquids in preference to gases from oil shale. The shale is introduced at the top of a reaction chamber which includes an upper oil shale preheat zone having a temperature not more than about 950.degree. F., a hydroretort reaction zone at a temperature of about 85 ...


10
Paul B Tarman: Fuel production by free fall countercurrent flow. Institute of Gas Technology, Thomas W Speckman, March 25, 1986: US04578176 (6 worldwide citation)

A process and apparatus for production of liquid and gaseous fuels from solid organic carbonaceous materials by reacting free falling solids in a countercurrent gas stream. The process is conducted with a lean solids phase which provides good process control and uniform flow of solids even in the pr ...



Click the thumbnails below to visualize the patent trend.