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| Number | Title | Issue Date |
| 8163668 | Inorganic electrolyte setting agent capable of rendering heavy metal ion nonhazardous and method of treatment for utilization as resource therewith The invention provides an inorganic electrolyte setting agent capable of blocking hazardous heavy metals almost permanently and further usable as resources, based on the geological balance of elements, and a treating method for utilization as resources using the sam... | 04/24/2012 |
| 8097559 | Compositions for removing halogenated hydrocarbons from contaminated environments The present invention provides a supported reactant for in situ remediation of soil and/or groundwater contaminated with a halogenated hydrocarbon consisting essentially of an adsorbent impregnated with zero valent iron, wherein the adsorbent is capable of adsorbing... | 01/17/2012 |
| 7919432 | Adsorbent, adsorption apparatus, and method for manufacturing the adsorption apparatus In an adsorbent of the present invention, at least a surface and its vicinity thereof is composed of an apatite represented by the formula Ca10(PO4)6((OH)1-xAx)2, where A represents a halogen element ... | 04/05/2011 |
| 7846867 | Desulfurization and novel process for same A method for the production of a composition comprising a metal containing compound, a silica containing material, a promoter, and alumina is disclosed. The composition can then be utilized in a process for the removal of sulfur from a hydrocarbon stream. ... | 12/07/2010 |
| 7786038 | Composite metal oxide adsorbent for fluoride removal The invention provides a composite metal oxide adsorbent for fluoride removal and the preparation method thereof. Said composite metal oxide adsorbent for fluoride removal comprises: 0.05-0.15 molar parts of transition metal, 0.2-0.6 molar parts of Al and/or Mg, and... | 08/31/2010 |
| 7763566 | Method and composition for sorbing toxic substances Toxic substances such as heavy metals are extracted from a medium using a sorbent composition. The composition is derived by sulfidation of red mud, which contains hydrated ferric oxides derived from the Bayer processing of bauxite ores. Exemplary sulfidizing compou... | 07/27/2010 |
| 7622423 | Synthesis of modified maghemite and jacobsite nanoparticles The present invention provides a method for making modified jacobsite, Al-doped maghemite or modified maghemite nanoparticles that can be used to adsorb heavy metals, such as Cr(VI), found in wastewater. The magnetic nanoparticles can be separated using a magnetic f... | 11/24/2009 |
| 7544636 | Treated bottom ash medium and method of arsenic removal from drinking water A method for low-cost arsenic removal from drinking water using chemically prepared bottom ash pre-treated with ferrous sulfate and then sodium hydroxide. Deposits on the surface of particles of bottom ash form of activated iron adsorbent with a high affinity for ar... | 06/09/2009 |
| 7438875 | Method for reducing odor using metal-modified silica particles A method for reducing odor is provided. In one embodiment, the method comprises modifying the surface of silica particles with a transition metal so that the silica particles are bonded to the transition metal through a covalent or coordinate bond. The method furthe... | 10/21/2008 |
| 7435704 | Oxygen absorber An oxygen absorber includes an iron powder, and a first layer coated on a surface of the iron powder and formed of iron chloride through a chemical reaction. Further, the oxygen absorber includes a matrix material filled with the iron powder covered with the first l... | 10/14/2008 |
| 7429551 | Adsorbents for removing heavy metals Adsorbents for removing anions of a heavy metals and methods for using same are provided. Metal removing adsorbents comprise a porous material in which at least one oxygen-containing compound of iron, copper, aluminum, titanium, and/or zirconium is incorporated. The... | 09/30/2008 |
| 7427581 | Desulfurization process and novel bimetallic sorbent systems for same Novel sorbent systems for the desulfurization of cracked-gasoline and diesel fuels are provided which are comprised of a bimetallic promotor on a particulate support such as that formed of zinc oxide and an inorganic or organic carrier. Such bimetallic promotors are... | 09/23/2008 |
| 7425520 | Catalyst for selective hydrogenation of nitro groups of halonitro aromatic compounds A supported catalyst for hydrogenating nitro groups of halonitro compounds manufactured from a support, a solvent, and one or more types of organometallic complexes. The organometallic complexes have the formula: wherein, R... | 09/16/2008 |
| 7410931 | Thermal regulating catalyst composition A composition is provided that can be used, for example, in a fuel processor for a fuel cell system. The composition includes a first material such as a catalyst, and a second material such as a desiccant. The second material is capable of sorbing and desorbing a he... | 08/12/2008 |
| 7368412 | High capacity adsorption media and method of producing A method of producing an adsorption medium to remove at least one constituent from a feed stream. The method comprises dissolving at least one metal compound in a solvent to form a metal solution, dissolving polyacrylonitrile into the metal solution to form a PAN-me... | 05/06/2008 |
| 7351392 | Process for the high recovery efficiency of sulfur from an acid gas stream A combined process for the recovery of sulfur from an acid gas stream. The combined process includes both a Claus unit and a unit for treating the Claus tail gas with caustic to remove hydrogen sulfide therefrom and to biologically oxidize the hydrogen sulfide using... | 04/01/2008 |
| 7332108 | Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane There is disclosed a method for preparing a thin ceramic and/or metallic solid-state composition consisting of three phases: a material (A), a material (B) and pores. The concentration of each phase varies continuously from one face of the article to the other in a ... | 02/19/2008 |
| 7329624 | Regenerable adsorbents for the purification of silicone based solvents An adsorbent for removal of impurities from silicone based solvents is presented. The adsorbent is regenerable for repeated use in cleaning silicone based solvents. ... | 02/12/2008 |
| 7304011 | Compositions and processes for reducing NOemissions during fluid catalytic cracking Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli... | 12/04/2007 |
| 7291259 | Process for desulfurizing hydrocarbon fuels and fuel components Processes are disclosed for removing sulfur, including cyclic and polycyclic organic sulfur components such as thiophenes and benzothiophenes, from a hydrocarbon feedstock including fuels and fuel components. The feedstock is contacted with a regenerable sorbent mat... | 11/06/2007 |
| 7288500 | Selective hydrogenation of nitro groups of halonitro aromatic compounds A supported catalyst for hydrogenating nitro groups of halonitro compounds manufactured from a support, a solvent, and a plurality of organometallic complexes. The organometallic complexes have the formula: where... | 10/30/2007 |
| 7282191 | Carbon nanotube growth The growth of carbon nanotubes such as single-walled carbon nanotubes (SWNTs) is achieved using a catalyst and carbon feedstock gas, with the catalyst being delivered using an approach for relatively clean delivery and placement thereof. In one example embodiment, n... | 10/16/2007 |
| 7282526 | Particle having an attached halide group and methods of making the same A modified particle or aggregate is disclosed wherein a particle has an attached group having the formula: wherein the substituents are defined in the disclosure. Modified particles with attached polymers are als... | 10/16/2007 |
| 7268097 | Desulfurizing agent for hydrocarbon derived from petroleum, method for producing hydrogen for use in fuel cell and method for producing nickel-based desulfurizing agent A desulfurizing agent comprising a silica-alumina carrier having an Si/Al mole ratio of 10 or less and nickel carried thereon; a desulfurizing agent for hydrocarbons derived from petroleum which comprises a carrier and a metal component carried thereon and has a spe... | 09/11/2007 |
| 7250388 | Medium for chromatographic separations Medium for chromatographic separations. The medium includes a support with a surface on which interwoven polymers are coated to form a polymer surface. The polymers are covalently linked to the support surface. The polymers are each formed from one or more monomer t... | 07/31/2007 |
| 7211707 | Multi-functional protective materials and methods for use A reactive-adsorptive protective material having an activated carbon adsorbent for adsorbing chemical impurities, wherein nanoparticular entities are loaded into and onto a surface of said activated carbon adsorbent to further impart chemically reactive and biocidal... | 05/01/2007 |
| 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 |
| 7147769 | Desulfurization and novel methods for same A composition comprising a metal oxide and a promoter, wherein at least a portion of the promoter is present as a reduced valence promoter, and methods of preparing such composition are disclosed. The thus-obtained composition is employed in a desulfurization zone t... | 12/12/2006 |
| 7135430 | Method of treating fluorine compounds and treated substance Divalent and trivalent metal salts are added to the solution containing the fluorine compound to precipitate the layered double hydroxide containing the fluorine compound between layers. By these processes, the fluorine compound can be fixed with high rate. Moreover... | 11/14/2006 |
| 7125498 | Oxygen-absorbing compositions and method An oxygen-absorbing composition including iron and a soluble tartrate. A method of absorbing oxygen from a closed environment including the steps of providing an oxygen-absorbing composition containing iron and a tartrate, injecting water into the composition, and p... | 10/24/2006 |
| 7122502 | Inorganic ion sorbents A process and medium for decontamination of water containing anionic species including arsenic and chromium, wherein compounds comprising divalent and trivalent metal oxides and sulfides are used to form surface complexes with contaminants under pH conditions within... | 10/17/2006 |
| 7056537 | Treatment of landfill gas The present invention relates to a method of abating hydrogen sulfide gas emitted by or generated in landfills. Certain embodiments of the present invention relate to contacting hydrogen sulfide gas with Fuller's earth or other carrier materials and metals such as s... | 06/06/2006 |
| 7045056 | CO oxidation promoters for use in FCC processes A composition for controlling CO and NOx emissions during FCC processes comprises (i) acidic oxide support, (ii) cerium oxide, (iii) lanthanide oxide other than ceria such as praseodymium oxide (iv), optionally, oxide of a metal from Groups Ib and IIb suc... | 05/16/2006 |
| 6998100 | Sulfur oxide sorption with layered chlorite-type contact solids Chlorite-like phyllosilicate materials are found useful as SOx sorbents. A novel process of sulfur oxide sorption is provided utilizing these layered materials as contact solids. Typical industrial applications include sulfur removal from fluid catalyst c... | 02/14/2006 |
| 6994792 | Mixtures of adsorber materials The present invention relates to mixtures of various adsorption materials, whose adsorption properties supplement one another in the mixture. ... | 02/07/2006 |
| 6992043 | Composition for scavenging sulfur compounds from fluids In ridding fluids, including hydrocarbon fluids, both gaseous and liquid, of sulfur compounds including hydrogen sulfide, oxides of sulfur, and thiols, the present invention uses a small quantity of an activator, generally a noble metal oxide, preferably a copper sp... | 01/31/2006 |
| 6984604 | Supported bis(phosphorus) ligands and their use in the catalysis Supported bis(phosphorus) ligands are disclosed for use in a variety of catalytic processes, including the isomerization, hydrogenation, hydroformylation, and hydrocyanation of unsaturated organic compounds. Catalysts are formed when the ligands are combined with a ... | 01/10/2006 |
| 6951635 | Zinc oxide-based sorbents and processes for preparing and using same Zinc oxide-based sorbents, and processes for preparing and using them are provided, wherein the sorbents are preferably used to remove one or more reduced sulfur species from gas streams. The sorbents contain an active zinc component, optionally in combination with ... | 10/04/2005 |
| 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 |
| 6926875 | Porous material process of producing the porous material, catalyst for purifying exhaust gas comprising the porous material, method of purifying exhaust gas Disclosed are a porous material comprising particles without substantial fibrous structure and having pores, the pores having a mean pore diameter in a meson-pore region, sharp pore size distribution, and at least a part of the pores being connected three-dimensiona... | 08/09/2005 |
