| Patent Number |
Title Of Patent |
Date Issued |
| 7544342 |
Hydrogen production process |
June 9, 2009 |
| The present invention provides a process for producing hydrogen by passing a hydrocarbon-containing gas over a ceramic monolith at a temperature sufficient to produce hydrogen; and passing an oxygen-containing gas over the ceramic monolith at a temperature sufficient to react with the ca |
| 7303606 |
Oxy-fuel combustion process |
December 4, 2007 |
| Production of oxygen-enriched gas streams is disclosed herein. Air streams contact an oxygen-selective mixed conductor particularly a perovskite material whereby oxygen is retained or adsorbed on the perovskite and can be employed in a variety of processes such as in combusting a fuel ga |
| 7214331 |
Catalyst configuration and methods for syngas production |
May 8, 2007 |
| An improved process for the catalytic partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide is disclosed. The process also utilizes a novel catalyst configuration containing at least two serially aligned layers containing a noble metal or transition metal catalyst |
| 7090826 |
Monolith based catalytic partial oxidation process for syngas production |
August 15, 2006 |
| An improved process for the catalytic partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide and less than .about.2% carbon dioxide is disclosed. The process further permits the reaction to be initiated at room temperature, and utilizes a metal catalyst deposited on |
| 7070752 |
Supported perovskite-type oxides and methods for preparation thereof |
July 4, 2006 |
| Supported perovskite-type oxides are described. The perovskite-type oxides have the general formula of A.sub.xA'.sub.x'B.sub.yB'.sub.y'O.sub.3-.delta., wherein A is an ion of a metal of Group IIIa or IIIb of the periodic table of elements or mixtures thereof; A' is an ion of a metal |
| 6783749 |
Gas recovery process |
August 31, 2004 |
| Improved method for recovering hydrogen and carbon monoxide from hydrocarbon conversion processes are disclosed. A monolith catalyst reactor means is utilized in treating the waste gas stream from the hydrocarbon conversion process to assist in recovering hydrogen and carbon monoxide |
| 6761838 |
Cyclic autothermal hydrocarbon reforming process |
July 13, 2004 |
| Partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide is carried out by a cyclical process, which includes (a) contacting an oxygen ion conducting ceramic with air at a pressure between about 1 and 50 bara in a reactor, wherein oxygen from the air reacts with the cera |
| 6579820 |
Reactor modifications for NOx reduction from a fluid catalytic cracking regeneration vessel |
June 17, 2003 |
| A process for regenerating a spent catalyst having coke deposits thereon in a catalyst regeneration vessel having a dense phase and a dilute phase, wherein the process comprises the steps of: (a) contacting the spent catalyst with a primary oxygen-containing gas in the dense phase, there |
| 6551959 |
Catalytic monolith substrate made of ceria and titania |
April 22, 2003 |
| A process and a metal catalyst are provided for the partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide. The process is conducted by contacting a mixture of a hydrocarbon-containing gas and an oxygen-containing gas in the presence of a metal catalyst. The metal |
| 6464955 |
Production of hydrogen and carbon monoxide |
October 15, 2002 |
| Partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide is carried out by a fixed bed or a fluidized bed process which includes the steps of passing steam and/or carbon dioxide through a perovskite-type ceramic mixed conductor in an adsorption zone at an elevated temper |
| 6458334 |
Catalytic partial oxidation of hydrocarbons |
October 1, 2002 |
| A process for the partial oxidation of hydrocarbons, such as methane, to produce hydrogen and carbon monoxide is provided. The process is conducted by contacting a mixture of a hydrocarbon-containing gas and an oxygen-containing gas in the presence of a metal catalyst at high gas vel |
| 6379586 |
Hydrocarbon partial oxidation process |
April 30, 2002 |
| Partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide is carried out by a cyclical process which includes passing air through a perovskite ceramic substance at elevated temperature, thereby adsorbing oxygen from the air, and subsequently contacting the hot oxygen-cont |
| 6143203 |
Hydrocarbon partial oxidation process |
November 7, 2000 |
| Partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide is carried out by a fluidized bed process which includes the steps of passing air through a perovskite-type ceramic mixed conductor in an adsorption zone at an elevated temperature, thereby at least partially s |
| 6002019 |
Process for the production of petrochemicals |
December 14, 1999 |
| Petrochemicals are produced by the vapor phase reaction of a hydrocarbon with air in the presence of a suitable catalyst. The petrochemical product is removed from the product gas stream, and part or all of the remaining gas stream is passed through a bed of hydrophobic adsorbent, which |
| 5714132 |
Production of hydrogen and carbon monoxide from oxyfuel furnace off-gas |
February 3, 1998 |
| Hot exhaust gases from oxygen-based fossil fuel fired-furnaces made up predominantly of steam and carbon dioxide are used for reforming a hydrocarbonaceous substance in the presence or absence of oxygen to produce carbon monoxide and hydrogen. Additional hydrogen can be produced by s |
| 5693856 |
Production of terephthalic acid |
December 2, 1997 |
| Terephthalic acid is produced by reacting paraxylene with oxygen in a reactor having several vertical stages, the reaction taking place in the liquid phase using acetic acid as solvent and a cobalt-manganese-bromine complex catalyst. During the reaction, a carbon dioxide-containing gas |
| 5672196 |
Process and apparatus for the separation of gases |
September 30, 1997 |
| Hydrocarbon gas is separated from a gas mixture by concentration swing adsorption in a system consisting of a pair of adjacent adsorption beds that are contained in a cylindrical vessel and separated by a flat partition wall. The system is operated with the beds out of phase, such th |
| 5646304 |
Process for the production of petrochemicals |
July 8, 1997 |
| A petrochemical is produced by the vapor phase reaction of a hydrocarbon with air in the presence of a suitable catalyst. The petrochemical is removed from the reactor effluent, and part or all of the remaining petrochemical-free gas stream is passed through a hydrocarbon-selective a |
| 5626033 |
Process for the recovery of perfluorinated compounds |
May 6, 1997 |
| A process for recovering a given component from a first gas stream in which the given component is intermittently present by PSA or TSA using an adsorbent which more strongly adsorbs the given component by introducing into the first gas stream, prior to PSA or TSA treatment, a second gas |
| 5620501 |
Recovery of trace gases from gas streams |
April 15, 1997 |
| Selected strongly adsorbed gaseous impurities are removed from a gas stream by pressure swing adsorption in an adsorption system which includes a single adsorption vessel, a gas storage vessel and a single gas pump. Feed gas is pumped at a selected adsorption pressure cocurrently through |
| 5468459 |
Gas stream treatment method for removing per-fluorocarbons |
November 21, 1995 |
| A per-fluorocarbon containing gas is treated by contacting per-fluorocarbon contained within the gas with calcium hydride at a temperature in a range of between about 450 and 900.degree. C. The calcium hydride can be contained in a bed mixed with silicon or calcium oxide and such bed can |
| 5417742 |
Removal of perfluorocarbons from gas streams |
May 23, 1995 |
| Perfluorocarbons are recovered from gas streams by subjecting the gas stream to an adsorption process in a bed of one or more energetically homogeneous adsorbents such as silicon-rich adsorbents of the FAU structure, silicon-rich adsorbents of the BEA structure, silicon-rich adsorben |
| 5302412 |
Single atmosphere for firing compatible thick film material |
April 12, 1994 |
| The present invention provides an improved method for firing thick film inks in hybrid circuits which comprises firing different copper compatible thick film materials in a single firing atmosphere. The method comprises the steps of providing a paste suitable for application to a ceramic |
| 5230846 |
Method for preparing multilayered ceramic with internal copper conductor |
July 27, 1993 |
| A method for heat processing of multilayered ceramic articles containing internal conductive metal patterns that have been formed from multiple ceramic green sheets individually coated with inks or pastes containing conductor metal/metal oxide material, and thereafter assembled in regist |
| 5204075 |
Process for the purification of the inert gases |
April 20, 1993 |
| A process for producing a substantially oxygen-free gaseous product such as argon containing not more than one ppm by volume of oxygen is disclosed. The process comprises introducing hydrogen into a gas stream which contains oxygen and moisture, contacting the gas stream with a dessicant |
| 5028273 |
Method of surface cleaning articles with a liquid cryogen |
July 2, 1991 |
| The present invention provides a method for cleaning articles by removing surface particulate matter from the articles. In accordance with the present invention, the articles are immersed in a bath of liquid cryogen, chemically non-reactive with the articles to be cleaned. Prior to i |
| 4888037 |
Glass to metal sealing process |
December 19, 1989 |
| A single-step process is disclosed for hermetically sealing a glass to a metal having similar coefficients of thermal expansion without carrying out the conventional pretreatment steps of decarburization and oxidization by heating to at least the melting point of the glass in an atmosphe |
| 4729889 |
High temperature regenerative H.sub.2 S sorbents |
March 8, 1988 |
| Efficient, regenerable sorbents for removal of H.sub.2 S from high temperature gas streams comprise porous, high surface area particles. A first class of sorbents comprise a thin film of binary oxides that form a eutectic at the temperature of the gas stream coated onto a porous, high |
