Class 518/722 - ADSORPTION WITH A SOLID MATERIAL

Subclass of Class 518 - Chemistry: fischer-tropsch processes; or purification or recovery of products thereof
Definition: Processes which include adsorption utilizing a solid material.
No. of patents: 24
Last issue date: 08/26/2008

Number	Title	Issue Date
7416845	pH dependent ion exchange material, solid substrate having the material immobilized on its surface, and method of isolating a nucleic acid using the material or the solid substrate Provided are a pH dependent ion exchange material having a carboxyl group, an amino group, and a polyethylene oxide moiety, which is used for isolating a nucleic acid, a solid substrate having the material immobilized on its surface, and a method of isolating a nucl...	08/26/2008
7405243	Hydrogen recovery from hydrocarbon synthesis processes The invention relates to a process for producing a hydrogen-rich stream from a hydrogen-depleted stream. More particularly, the invention relates to a hydrocarbon synthesis process, by way of example, a Fischer Tropsch process, from which both hydrocarbons and high ...	07/29/2008
7287745	Liquid-continuous column distillation Bubble columns fractionate with vapor-liquid mass transfer efficiencies approaching that of distillation towers when vapor velocities in excess of 50% of jet flood are used. If the vapor velocities are pushed above about 70% of jet flood then the distillation perfor...	10/30/2007
7250150	Chemical reactor with pressure swing adsorption A chemical reaction is performed with separation of the product(s) and reactant(s) by pressure swing adsorption (PSA), using an apparatus having a plurality of adsorbers cooperating with first and second valve assemblies in a PSA module. The PSA cycle is characteriz...	07/31/2007
7166643	Hydrogen recovery from hydrocarbon synthesis processes The invention relates to a process for producing a hydrogen-rich stream from a hydrogen-depleted stream. More particularly, the invention relates to a hydrocarbon synthesis process, by way of example, a Fischer Tropsch process, from which both hydrocarbons and high ...	01/23/2007
6958364	Use of Fischer-Tropsch condensate as a lean oil for heavy ends recovery from Fischer-Tropsch tail gas A process for recovering light Fischer-Tropsch hydrocarbons from a rich tail gas produced from a Fischer-Tropsch synthesis operation which comprises: (a) recovering separately from a Fischer-Tropsch synthesis operation a Fischer-Tropsch condensate and a hydrocarbon ...	10/25/2005
6894081	Method for catalytic production of methanol and a device for implementing said method Process for the catalytic production of methanol under pressure using a synthesis gas which at least contains hydrogen, carbon monoxide, carbon dioxide and also undesired impurities, with at least one stage being equipped with a reactor, in which an absorption stage...	05/17/2005
6784212	Production of liquid hydrocarbon products A process for producing liquid hydrocarbon products includes converting a natural gas feedstock to synthesis gas, which is reacted, in a hydrocarbon synthesis stage and by a Fischer-Tropsch reaction, to produce a range of hydrocarbon product. An overheads vapour pha...	08/31/2004
6706770	Co-production of hydrogen and methanol from steam reformate Method for the production of methanol and hydrogen which comprises steam reforming a hydrocarbon-containing feed in a steam reforming zone to yield a synthesis gas comprising hydrogen, carbon monoxide, and carbon dioxide; introducing a first portion of the synthesis...	03/16/2004
6682711	Protection of Fischer-Tropsch catalysts from traces of sulfur Methods for removing sulfur from syngas in a Fischer-Tropsch reactor, and reactors including means for removing sulfur from syngas are disclosed. Sulfur-reactive metals can be used in the Fischer-Tropsch unit to sequester the sulfur. For example, the Fisc...	01/27/2004
6585802	Mixed matrix membranes and methods for making the same Mixed matrix membranes capable of separating carbon dioxide from mixtures including carbon dioxide and methane, and processes for purifying methane using the membranes, are disclosed. The membranes are preferably polymer membranes that include discrete ca...	07/01/2003
6562110	Carbon molecular sieves and methods for making the same Mixed matrix membranes capable of separating carbon dioxide from mixtures including carbon dioxide and methane, and processes for purifying methane using the membranes, are disclosed. The membranes are preferably polymer membranes, that include discrete c...	05/13/2003
6562306	Apparatus for producing dimethyl ether An apparatus for producing dimethyl ether comprising: a slurry-bed reactor filled with a dimethyl ether synthesis catalyst and a medium oil therefor; a condenser for condensing a gasified medium oil discharged from the reactor; an adsorber for removing a ...	05/13/2003
6225358	System and method for converting light hydrocarbons to heavier hydrocarbons with improved water disposal A system for converting lighter hydrocarbons to heavier hydrocarbons has a synthesis gas subsystem for receiving air and light hydrocarbons and producing a synthesis gas; a synthesis subsystem for receiving synthesis gas from the synthesis gas subsystem a...	05/01/2001
6147126	Gas conversion using hydrogen from syngas gas and hydroconversion tail gas A gas conversion process including catalytic hydrocarbon synthesis from a synthesis gas comprising a mixture of H2 and CO, produces hydrogen from the synthesis gas and upgrades synthesized hydrocarbons by one or more hydroconversion operations ...	11/14/2000
6103206	Very low sulfur gas feeds for sulfur sensitive syngas and hydrocarbon synthesis processes Very low sulfur content hydrocarbon gas is achieved by sequentially contacting the gas first with zinc oxide and then with nickel metal. This has reduced the total sulfur content of natural gas feed for a fluid bed syngas generator to less than 0.1 ppm an...	08/15/2000
6043288	Gas conversion using synthesis gas produced hydrogen for catalyst rejuvenation and hydrocarbon conversion A gas conversion process in which both hydrocarbons and hydrogen are produced from a synthesis gas feed which comprises a mixture of H2 and CO, uses hydrogen from a portion of the feed for one or more of (i) hydrocarbon synthesis catalyst rejuv...	03/28/2000
5859070	Catalytic process Synthesis of small quantities of compounds such as methanol from reagents, especially radio-labelled reagents such as 11 C oxides, in a carrier gas by a catalytic reaction using a catalyst that has been pre-conditioned for the reaction by previ...	01/12/1999
5783607	Process for converting synthesis gas in the presence of a catalyst based on cobalt and titanium The invention concerns the preparation of a catalyst comprising a support comprising at least one oxide of the element Si, Al, Ti, Zr, Sn, Zn, Mg or Ln (where Ln is a rare earth), cobalt, titanium, at least one element A selected from the group formed by ...	07/21/1998
4816121	Gas phase chemical reactor Gas or vapor phase chemical reactions are conducted inside an open loop Stirling cycle apparatus which may operate as a heat engine or as a heat pump. Adsorbent surfaces are associated with the thermal regenerators of the Stirling cycle apparatus, so that...	03/28/1989
4731387	Process for carrying out a chemical equilibrium reaction In a process for carrying out a chemical equilibrium reaction by introducing gaseous starting compounds in a reaction zone containing a fixed bed of coarse catalyst particles having interstices between them, fine particles adsorbing substantially all of t...	03/15/1988
4702903	Method and apparatus for gas separation and synthesis Pressure swing adsorption gas separations are conducted inside an open loop Stirling cycle apparatus which may operate as an engine, refrigerator or heat pump. Adsorbent surfaces are associated with the thermal regenerators of the Stirling cycle apparatus...	10/27/1987
4605678	Separation of catalyst from slurry bubble column wax and catalyst recycle A process for removing catalyst fines from the wax product produced in a slurry Fischer-Tropsch reactor comprises removing the wax product from the reactor and separating the catalyst fines by passing the wax product through a high gradient magnetic field...	08/12/1986
4087470	Process for the production of ethylene glycol A cyclic process for producing ethylene glycol comprising the steps of: (1) contacting formaldehyde with a synthesis gas comprising carbon monoxide and hydrogen in the presence of a catalytic amount of hydrogen fluoride under conditions effective to deplete ca...	05/02/1978

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Class 518/722 - ADSORPTION WITH A SOLID MATERIAL