Class 208/250 - Solids contacting and mixing

Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes for desulfurizing mineral oil by contacting the
No. of patents: 34
Last issue date: 10/04/2011

Number	Title	Issue Date
8029662	Sorbent compositions and desulfurization method using the same The disclosed sorbents are for adsorbing sulfur compounds, particularly sulfur-containing aromatic compounds, from liquid hydrocarbon fuels such as gasoline, cracked gasoline, diesel, high sulfur liquid fossil fuels, ultra-low sulfur fuel (ULSF) in fuel cell applica...	10/04/2011
8021540	Method of desulfurizing hydrocarbon oil A method of desulfurizing/refining a hydrocarbon oil by which sulfur compounds are diminished to an extremely low concentration at a relatively low equipment cost and operating cost. The method of desulfurizing/refining a hydrocarbon oil comprises bringing a hydroca...	09/20/2011
7854835	Desulfurization process A hydrocarbon desulfurization system that circulates fluidizable solid particles through a fluidized bed reactor, a fluidized bed regenerator, and a fluidized bed reducer to thereby provide for substantially continuous desulfurization of a hydrocarbon-containing flu...	12/21/2010
7799211	Process for upgrading whole crude oil to remove nitrogen and sulfur compounds A crude oil feedstream is treated to remove or reduce the content of known undesired heteroatomic and polynuclear aromatic compounds containing nitrogen and sulfur by contacting the feedstream with one or more solid adsorbent materials selected from attapulgus clay,...	09/21/2010
7655138	Desulfurization process A system which circulates fluidizable solid particles through a fluidized bed reactor, a fluidized bed regenerator, and a fluidized bed reducer to thereby provide for substantially continuous desulfurization of a hydrocarbon-containing fluid stream and substantially...	02/02/2010
7452459	Process for the removal of sulfur-oxidated compounds from a hydrocarbonaceous stream A process for the removal of sulfur-oxidated compounds from a hydrocarbonaceous stream containing sulfur-oxidated compounds wherein the hydrocarbonaceous stream containing sulfur-oxidated compounds is contacted with an adsorbent which selectively adsorbs sulfur-oxid...	11/18/2008
7316806	Modifying catalyst for partial oxidation and method for modification A reforming catalyst for partial oxidation to reform hydrocarbon compound including a sulfur-containing compound includes platinum and rhodium. Even in reforming a hydrocarbon compound including a sulfur-containing compound such as, for example, a town gas, the cata...	01/08/2008
7182918	Desulfurization process A hydrocarbon desulfurization system that circulates fluidizable solid particles through a fluidized bed reactor, a fluidized bed regenerator, and a fluidized bed reducer to thereby provide for substantially continuous desulfurization of a hydrocarbon-containing flu...	02/27/2007
7172685	Desulfurization system with novel sorbent transfer mechanism A hydrocarbon desulfurization system employing regenerable solid sorbent particulates in a fluidized bed desulfurization reactor. The sulfur-loaded sorbent particulates are continuously withdrawn from the reactor and transferred to a regenerator. A novel solids tran...	02/06/2007
7138101	Two-stage catalytic process for recovering sulfur from an HS-containing gas stream Apparatus and process for recovering elemental sulfur from a H2S-containing waste gas stream are disclosed. The apparatus preferably comprises a first reaction zone for carrying out the catalytic partial oxidation of H2S, a second reaction zone...	11/21/2006
7094333	Selective sorbents for purification of hydrocarbons A method for removing thiophene and thiophene compounds from liquid fuel includes contacting the liquid fuel with an adsorbent which preferentially adsorbs the thiophene and thiophene compounds. The adsorption takes place at a selected temperature and pressure, ther...	08/22/2006
7048846	Membrane separation for sulfur reduction A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membrane having sufficient flux an...	05/23/2006
7041212	Membrane separation for sulfur reduction A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membrane having sufficient flux an...	05/09/2006
7029574	Selective sorbents for purification of hydrocarbons A method for removing thiophene and thiophene compounds from liquid fuel includes contacting the liquid fuel with an adsorbent which preferentially adsorbs the thiophene and thiophene compounds. The adsorption takes place at a selected temperature and pressure, ther...	04/18/2006
7018527	Membrane separation for sulfur reduction A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membrane having sufficient flux an...	03/28/2006
6930074	Desulfurization and sorbent for the same A sorbent composition comprising a promoter metal, zinc oxide, and a high density refractory metal oxide can be used to more effectively desulfurize a sulfur-containing fluid such as cracked-gasoline or diesel fuel. ...	08/16/2005
6673239	Hydrocarbon purificatin system regeneration A system and process for removing water and heteroatom-containing compounds from hydrocarbons and for regenerating the adsorbent used in the system and process is disclosed and includes contacting the hydrocarbon stream with a water adsorbent and a hetero...	01/06/2004
6531052	Regenerable adsorbent for removing sulfur species from hydrocarbon fluids Sulfur species are removed from hydrocarbon fluids by a process that includes contacting the fluid with a solid adsorbent having a porous substrate impregnated with silver oxide. The solid adsorbent preferably comprises activated alumina. The solid adsorb...	03/11/2003
6482316	Adsorption process for producing ultra low hydrocarbon streams The instant invention is directed to a method for reducing the amount of sulfur in hydrocarbon streams comprising the steps of: (a) contacting a hydrocarbon stream comprising hydrocarbons and sulfur compounds with an adsorbent selective for adsorption of said ...	11/19/2002
6416658	Process for simultaneous hydrotreating and splitting of naphtha streams A process for concurrently fractionating and hydrotreating of a full range naphtha stream. The full boiling range naphtha stream is subjected to simultaneous hydrodesulfurization and splitting into a light boiling range naphtha and a heavy boiling range n...	07/09/2002
6274031	Transport desulfurization process utilizing a sulfur sorbent that is both fluidizable and circulatable and a method of making such sulfur sorbent A novel circulatable sorbent material suitable for use in a transport desulfurization system for removing sulfur from a fluid stream containing sulfur and the use thereof in such a transport desulfurization system. The transport desulfurization process ut...	08/14/2001
6056871	Transport desulfurization process utilizing a sulfur sorbent that is both fluidizable and circulatable and a method of making such sulfur sorbent A novel circulatable sorbent material suitable for use in a transport desulfurization system for removing sulfur from a fluid stream containing sulfur and the use thereof in such a transport desulfurization system. The transport desulfurization process ut...	05/02/2000
5851383	Process for thioetherification and selective hydrogenation of light olefins A light hydrocarbon stream, such as a C3 -C5 stream recovered from an FCC unit, is catalytically treated for the selective hydrogenation of dienes and for the removal of mercaptans by thioetherification. The effluent of the reaction ...	12/22/1998
5843300	Removal of organic sulfur compounds from FCC gasoline using regenerable adsorbents Removal of organic sulfur compounds, especially aromatic sulfur compounds from an FCC feedstock with minimal adsorption of aromatic hydrocarbons is achieved using a zeolite X exchanged with alkali or alkaline earth cations. KX is an especially effective a...	12/01/1998
5659106	Catalytic distillation process for mercaptan and olefin removal Mercaptans and olefins are removed from paraffin-rich feed streams through the use of dual zone catalytic distillation in the substantial absence of hydrogen. The mercaptans are reacted with the olefins using a first catalyst such as a sulphonated resin t...	08/19/1997
5300211	Catalytic reforming process with sulfur preclusion A hydrocarbon feedstock is catalytically reformed to effect dehydrocyclization of paraffins in a process combination comprising a first reforming zone and a sulfur-removal zone utilizing a manganese component to preclude sulfur from the feed to a second r...	04/05/1994
5271835	Process for removal of trace polar contaminants from light olefin streams A process is disclosed for improving catalyst performance and yields in the manufacture of motor gasoline components. More particularly the process is directed to the removal of H2 S, sulfur compounds, trace amounts of acetonitrile or acetone o...	12/21/1993
5157201	Process for adsorbing sulfur species from propylene/propane using regenerable adsorbent A method of removing sulfur components from a hydrocarbon stream which involves contacting a hydrocarbon stream including an initial amount of at least one sulfur species selected from the group consisting of mercaptans, organic sulfides, and disulfides w...	10/20/1992
4719006	Process and system continuously removing arsenic from shale oil with a catalyst and regenerating the catalyst Arsenic can be continuously removed from shale oil by passing the shale oil through a first guard bed containing catalyst capable of substantially reducing the arsenic content of the oil, until the desired amount of arsenic is removed. The flow of the sha...	01/12/1988
4597774	Method for improving the operation of a fluidized bed A method of operating a fluidized bed in which a bed of particulate combustible material is disposed on a perforated plate and air is introduced through the plate and into the bed to fluidize and promote the combustion of the material. Additional particul...	07/01/1986
4540842	Removal of sulfur compounds from pentane Pentane derived from fractionation of sulfur-containing natural gasoline is desulfurized to low levels of sulfur, e.g., 1 ppm or below, in a process comprised of contacting the pentane in a first zone with molecular sieve adsorbent to remove dimethylsulfi...	09/10/1985
4318802	Process for the purification of hydrocarbons A process is disclosed for removal of mercaptans from mercaptan-containing low boiling hydrocarbon mixture wherein said mixtures are fed to a contact zone containing a crystalline metal silicate which in dehydrated form has a composition in terms of moles...	03/09/1982
4313821	Processing of coal liquefaction products A process for removing undesirable elements, e.g. nitrogen, sulfur, oxygen, from the light organic liquid product derived from a solvent refined coal liquefaction process, while preserving octane number, which comprises the steps of (1) subjecting the lig...	02/02/1982
4255162	Integrated process for converting sulfur-containing fuels to low sulfur combustible gas Sulfur-containing fuels are converted to substantially sulfur-free combustible gas in an integrated process involving part combustion in a dense phase fluidized conversion bed of particles comprising alkaline earth metal oxides. An oxygen-containing gas i...	03/10/1981

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Class 208/250 - Solids contacting and mixing