61
Robert A Kraus, Edmund J Kraus: Passive solar heater fluid pump system. January 27, 1981: US04246890 (26 worldwide citation)

A device making use of the gravity generated imbalance within a portion of the system confined upward and downward flowing liquid. A condensed gas of lower boiling point is induced to the portion of the upward flowing heated liquid of higher boiling point. The formation of gas bubbles upon evaporati ...


62
Grunewald Gerhard W, Hochgesand Gerhard: Process for the removal of hydrogen sulfide and carbon dioxide from fuel gases and synthesis gases. Metallgesellschaft Aktiengesellschaft, January 16, 1973: US3710546 (26 worldwide citation)

In the process of removing CO.sub.2 and H.sub.2 S from fuel or synthesis gas by absorption with an organic solvent where the gas to be purified passes through an H.sub.2 S absorber and then through two stages of a CO.sub.2 absorber with the organic solvent being fed partially to the first and partia ...


63
Mayeur Vincent, Vergel Cesar, Mariette Laurent: Process for the hydrotreatment of a gas-oil feedstock, hydrotreatment reactor for implementing said process, and corresponding hydrorefining unit. Total Raffinage Marketing, April 15, 2009: EP2046917-A2 (25 worldwide citation)

The invention relates to a process for the catalytic hydrotreatment of a feedstock derived from petroleum, of the gas-oil type, in at least one fixed-bed hydrotreatment reactor for the production of gas-oil, characterized in that vegetable oils and/or animal fats in an amount of about 30% by weight ...


64
William M Campbell, Gunnar B Henningsen: Fluid bed desulfurization. The M W Kellogg Company, The M W Kellogg Company, November 26, 1996: US05578093 (25 worldwide citation)

A method and apparatus for desulfurizing a gas and regenerating a sorbent is disclosed. The sulfur-containing feed gas which can be an effluent gas from a coal gasification reactor, for example, is desulfurized with a particulated metallic oxide sorbent in a transport riser. The sulfided sorbent is ...


65
Cribb Graham Thame Stanley: Process for separating gases. Gas Council, June 27, 1962: GB899611-A (25 worldwide citation)

Carbon dioxide is separated from gas mixtures by passing a stream of the gas through an absorbtion tower or column wherein the carbon dioxide is absorbed by a 2N to 8N ammoniacal solution lean in CO2, to produce a solution rich in CO2, passing the resulting solution through a heat exchanger under a ...


66
Igarashi Akira, Higashi Hirokazu, Mizobuchi Manabu, Hashimoto Noboru, Kinugawa Kensaku: Catalyst for water gas shift reaction, method for removing carbon monoxide in hydrogen gas and electric power-generating system of fuel cell. Matsushita Electric Works, December 12, 2001: EP1161991-A1 (24 worldwide citation)

There is provided a catalyst for a water gas shift reaction in a hydrogen gas which is able to effectively remove CO in the hydrogen gas within a broader temperature range. Such a catalyst for the water gas shift reaction is characterized in that a metal oxide carrier supports at least platinum. The ...


67
Wright Christopher John, Sampson Christopher Falkland: Catalyst preparation.. Atomic Energy Authority, August 29, 1984: EP0116785-A1 (24 worldwide citation)

A catalyst suitable for the catalysis of the oxidation of carbon monoxide is prepared by providing the substrate with tin (IV) oxide support material and with a catalytically active material. The tin (IV) oxide is provided by contacting the substrate with a dispersion of colloidal or non-colloidal p ...


68
Paul N Woldy, Harold C Kaufman, Michael M Dach, James F Beall: Gasification process. Texaco, Carl G Ries, Robert A Kulason, Albert Brent, February 3, 1981: US04248604 (24 worldwide citation)

Coal or other high ash containing carbonaceous solid fuel is reacted with a free-oxygen containing gas, with or without a temperature moderator, in a down-flow partial oxidation gas generator to produce a stream of raw synthesis gas, fuel gas, or reducing gas. A large portion of the combustion resid ...


69
William B Crouch, William L Slater, Warren G Schlinger: Synthesis gas generation. Texaco, T H Whaley, C G Ries, Robert Knox Jr, December 21, 1976: US03998609 (24 worldwide citation)

Production of a gas suitable for use as a fuel or for conversion into a fuel and simultaneous production of a gas saturated with steam suitable for use as feed to a shift conversion zone.


70
Sweny John W, Burkhard Jr Frank C: Absorption and separation of normally liquid gas contaminants. Allied Chemical Corporation, Fuchs Gerhard H, April 15, 1975: US3877893 (24 worldwide citation)

Treatment of gas mixtures containing combustible gas such as methane, hydrogen and carbon monoxide and containing as contaminants acid gas, i.e., hydrogen sulfide and carbon dioxide, and normally liquid contaminants embracing aromatic hydrocarbons, non-acidic sulfur compounds and hydrogen cyanide to ...