Chemistry of inorganic compounds inventions 02/06

20060039842 - Methods for constructing underground borehole configurations and related solution mining methods: Disclosed are methods for solution mining of evaporite minerals, such as trona, comprising drilling an access well and at least two lateral boreholes; injecting a fluid; circulating the fluid through the lateral boreholes with a controlled fluid flow; and collecting a pregnant solution. Also disclosed are methods of solution mining...

20060039843 - Zone coated catalyst to simultaneously reduce nox and unreacted ammonia: The first substrate also has an NH3 destruction catalyst composition with a platinum group metal component dispersed on a refractory metal oxide. The NH3 destruction catalyst is disposed on the wall elements from the outlet end toward the inlet end to a length that is less than the substrate's axial...

20060039844 - Method for abatement of voc in exhaust gases by wet pulse corona discharge: A method for abatement of volatile organic compounds (VOC) in an exhaust gas stream is disclosed. That method comprises passing an exhaust gas stream (40) through a pulsed corona discharge chamber (10) in the presence of flowing water (30) to form one or more oxidation products that dissolve in the...

20060039845 - Suppression of the formation of noxious substances during chloride processes: The present invention is directed to the suppression of the formation noxious compounds such as furans. According to the present invention, a venturi device is used to rapidly quench a chlorinator reaction gas. The rapid quench minimizes the resonance time that furan precursors are at conditions conducive to furan formation....

20060039846 - Ceria composition and process for preparing same: The present invention provides a cerium oxide particulate composition and a process for preparing a cerium oxide particulate composition comprising aggregates of approximately spherical primary particles of cerium oxide. The method involves preparing a solution of a cerium oxide precursor, aerosolizing the cerium oxide precursor solution, and heating the aerosol...

20060039847 - Low pressure ammonia synthesis utilizing adsorptive enhancement: One aspect of the invention relates to a process for synthesizing ammonia from hydrogen and nitrogen in which an adsorbant is provided to adsorb ammonia as it is being produced. Adsorption of the product drives the ammonia synthesis reaction and allows the process to be carried out at pressures where...

20060039848 - Carbon nanotube pastes and methods of use: Dispersable pastes comprising single-walled carbon nanotubes (SWNT) in water or in an organic solvent are prepared. The method of preparing the dispersable pastes comprises in general the following steps: a) removal of the catalyst used during the synthesis of SWNT; b) while the SWNT are still wet, addition of the...

20060039849 - Process and apparatus for producing single-walled carbon nanotubes: A process and apparatus for catalytic production of single walled carbon nanotubes. Catalytic particles are exposed to different process conditions at successive stages wherein the catalytic particles do not come in contact with reactive (catalytic) gases until preferred process conditions have been attained, thereby controlling the quantity and form of...

20060039850 - Method for manufacturing metal sulfide nanocrystals using thiol compound as sulfur precursor: Disclosed herein is a method for manufacturing metal sulfide nanocrystals using a thiol compound as a sulfur precursor. The method comprises reacting the thiol compound and a metal precursor in a solvent to grow metal sulfide crystals to the nanometer-scale level. Further disclosed is a method for manufacturing metal sulfide...

20060039851 - Method of producing crystalline lithium/vanadium oxide powder: This invention relates to a method for manufacturing a crystalline powder of a composite lithium and vanadium oxide with formula Li1+xV3O8, where x is between 0 and 0.2, comprising: formation of an aqueous suspension starting from an NH4VO3 paste and monohydrated lithia powder; continuous dehydration of this suspension in a...

20060039852 - Method for making lead oxide for lead-acid batteries: A method of producing lead oxide for use with lead-acid batteries includes providing a material comprising lead and adding calcium to the material at a level between approximately 100 and 400 ppm to form a lead-calcium alloy. The method further includes oxidizing the lead-calcium alloy to form lead oxide....

20060039853 - Separation of carbon dioxide (co2) from gas mixtures by calcium based reaction separation (cars-co2) process: A reaction-based process has been developed for the selective removal of carbon dioxide (CO2) from a multicomponent gas mixture to provide a gaseous stream depleted in CO2 compared to the inlet CO2 concentration in the stream. The proposed process effects the separation of CO2 from a mixture of gases (such...

20060039854 - Catalyst for partial oxidation reforming of fuel and fuel reforming apparatus and method using the catalyst: Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. In addition, according to the invention, there is provided a fuel reforming apparatus and method using the catalyst. The catalyst for a partial oxidation reforming reaction of fuel according to the...

20060034739 - Method for the post-treatment of titanium dioxide pigments: The invention relates to a method for the post-treatment of titanium dioxide, in order to produce particularly weather-resistant titanium dioxide pigments with good optical properties. The method is characterised in that, together with the hydrous oxides of tin and zirconium, at least one other from the group comprising aluminium, silicon...

20060034740 - Catalyst composition for use in a lean nox trap and method of using: A lean NOx trap composition. The lean NOx trap composition utilizes ruthenium in place of higher cost metals such as platinum. The lean NOx trap composition provides high NOx storage efficiency and high NOx conversion efficiency when incorporated in a lean NOx trap. A method of removing harmful gases using...

20060034741 - Catalyst composition for use in a lean nox trap and method of using: A lean NOx trap composition. The lean NOx trap composition utilizes ruthenium in place of higher cost metals such as platinum. The lean NOx trap composition provides high NOx storage efficiency and high NOx conversion efficiency when incorporated in a lean NOx trap. A method of removing harmful gases using...

20060034742 - Method of collecting mercaptans contained in a gaseous feed: l

20060034743 - Reduction of coal-fired combustion emissions: A process for mitigation of fouling deposits within a combustion zone, capturing of toxic metal emissions, and reduction of visible sulfur emissions attributable to sulfuric acid mist during coal combustion. SO3 formed during coal combustion is reduced by the addition to the coal of raw, unprocessed magnesium-containing minerals such as...

20060034744 - Destruction of hydrocarbon emissions: Ozone and, if necessary, water is added to an exhaust gas, such as air, containing hydrogen- and carbon-containing molecules of a pollutant. The exhaust gas is then continually flowed into one or more oxidizing reaction chamber modules. In the reaction chamber(s) the ozone- and water-containing gas is subjected to intense...

20060034745 - Ceria composition and process for preparing same: The present invention provides a cerium oxide particulate composition and a process for preparing a cerium oxide particulate composition comprising aggregates of approximately spherical primary particles of cerium oxide. The method involves preparing a solution of a cerium oxide precursor, aerosolizing the cerium oxide precursor solution, and heating the aerosol...

20060034746 - Method and apparatus for producing fine carbon particles: A method includes producing an isolation atmosphere in a phase changing area above a reactant liquid and then injecting a feed material into the reactant liquid. The feed material preferably comprises a quantity of a hydrocarbon compound. The method further includes maintaining the molecules of the injected hydrocarbon compound and...

20060034747 - Furnace for the manufacture of carbon fibers, and a procedure for obtaining fibers using the furnace: A furnace for the manufacture of carbon fibers comprising a set of reaction tubes and an auxiliary installation required for its operation. There is also disclosed a procedure for manufacture of these fibers and the fibers obtained. The furnace has a set of reaction tubes vertically arranged and forming a...

20060034748 - Device for providing improved combustion in a carbon black reactor: An oxidant diffusion device for use in an axial flow tread carbon black reactor that is capable of providing improved uniformity in the physical and chemical profiles of the combustion gas produced in the combustion zone of a carbon black reactor. In one aspect, the oxidant diffusion device comprises a...

20060034749 - Methods for making chlorous acid and chlorine dioxide: Chlorous acid is generated from a chlorite salt precursor, a chlorate salt precursor, or a combination of both by ion exchange. The ion exchange material facilitates the generation of chlorous acid by simultaneously removing unwanted cations from solution and adding hydrogen ion to solution. Chlorine dioxide is generated in a...

20060034750 - Chlorine dioxide generator and associated methods: An apparatus and method for producing chlorine dioxide includes a reactor for reacting an aqueous reaction solution including an aqueous acid solution and a solution of an alkali metal salt of a chlorite ion to form a product solution. The reactor includes a substantially cylindrical inner column for receiving the...

20060034751 - Chemical process and composition: The invention relates to a process for production of hydrogen peroxide according to the anthraquinone process including alternate hydrogenation and oxidation of one or more quinones selected from anthraquinones and/or tetrahydro anthraquinones in a working solution comprising at least one quinone solvent and at least one hydroquinone solvent, wherein said...

20060034752 - Visible-light-activated photocatalyst and method for producing the same: A visible-light-activated photocatalyst powder and method for producing and modifying the same are provided. The visible-light-activated photocatalyst powder is produced by improving the process conditions or by modifying with platinum oxide. Further, the UV light-activated titanium dioxide is modified to be more visible light activated by loading platinum oxide on...

20060034753 - Reduced temperature calcining method for hydrogen generation: A method and apparatus are disclosed for regenerating calcium oxide used in the production of hydrogen gas. The method includes steps of: (a) streaming a solid reactant into an inlet port of a contactor vessel; (b) streaming a purge oxidant into an oxidant port of the contactor vessel to reduce...

20060034754 - Microsystem process networks: Various aspects and applications of microsystem process networks are described. The design of many types of Microsystems can be improved by ortho-cascading mass, heat, or other unit process operations. Microsystems having energetically efficient microchannel heat exchangers are also described. Detailed descriptions of numerous design features in microcomponent systems are also...

20060034755 - Microsystem process networks: Various aspects and applications or microsystem process networks are described. The design of many types of microsystems can be improved by ortho-cascading mass, heat, or other unit process operations. Microsystems having energetically efficient microchannel heat exchangers are also described. Detailed descriptions of numerous design features in microcomponent systems are also...

20060034756 - Method for generating hydrogen gas utilizing activated aluminum fine particles: By activating aluminum fine particles obtained by milling aluminum alloy in water, reactivity of the aluminum fine Particles at low temperature is improved. The activation comprises a thermal shock treatment wherein the aluminum fine particles are repeatedly heated and cooled down rapidly, and subsequently these activated aluminum fine particles are...

20060034757 - Polymer-zeolite nanocomposite membranes for proton-exchange-membrane fuel cells: A suite of polymer/zeolite nanocomposite membranes. The polymer backbone is preferably a film forming fluorinated sulfonic acid containing copolymer, such as a Teflon type polymer, a perfluorinated polymer, or a perfluorinated polymer with sulfonic groups. The zeolites formed in accordance with the present invention and which are used in the...

20060029532 - Dry adsorption of oxidized mercury in flue gas: In a method of removing metals such as mercury from flue gas produced by combustion devices, water or water including a calcium-containing component or water including Cl− anion formers or water including both a calcium-containing component and Cl− anion formers is injected into the flue gas in a manner so...

20060029531 - Method of removing mercury from flue gas through enhancement of high temperature oxidation: In a method for removing mercury from flue gas produced by combustion devices burning coal and other fuels that contain mercury and chlorine the combustion process is controlled to generate a flue gas comprising fly ash containing at least 0.25% unburned carbon, and preferably at least 5.0% unburned carbon. In...

20060029533 - Reactive membrane process for the removal of vapor phase contaminants: Generally, the present invention provides a method and apparatus for removing a vapor phase contaminant from a gas stream, thereby reducing the concentration of the vapor phase contaminant in the gas stream. In one embodiment, the present invention provides a method for removing a vapor phase contaminant from a gas...

20060029534 - Process for treating ammonia-containing exhaust gases: A method for reducing ammonia emissions in combustion exhaust gases and other waste streams using an oxidation catalyst, whereby unreacted ammonia (ammonia “slip”) is reduced downstream of a Selective Catalytic Reduction (“SCR”) system simultaneously with the reduction of other gaseous pollutants. The invention utilizes a noble metal-based catalyst, such as...

20060029535 - Catalyst and method for reduction of nitrogen oxides: A Selective Catalytic Reduction (SCR) catalyst was prepared by slurry coating ZSM-5 zeolite onto a cordierite monolith, then subliming an iron salt onto the zeolite, calcining the monolith, and then dipping the monolith either into an aqueous solution of manganese nitrate and cerium nitrate and then calcining, or by similar...

20060029536 - Lanthanum tantalate photocatalysts: A substantially pure phase LaTaO4 photocatalyst is prepared by grinding precursors with mixture of at least two different sizes of high-density yttrium-stabilized zirconia balls to a very fine particle size and calcining the ground precursors. The LaTaO4 photocatalyst prepared by this method is useful in photolysis of water....

20060029537 - High tensile strength carbon nanotube film and process for making the same: A conductive carbon nanotube film having high tensile strength and initial tensile modulus comprises primarily oxidized small-diameter carbon nanotubes wherein the diameter of the small-diameter carbon nanotubes are at most about 3 nm. A method for making the film comprises refluxing an aqueous mixture comprising carbon nanotubes and an oxidizing...

20060029538 - Method for removal of contaminants from a hydrogen processor feed stream, as in a fuel cell power plant: Method and apparatus are provided for removing contaminants from a hydrogen processor feed stream, as in a fuel cell power plant (110). Inlet oxidant (38), typically air, required by a catalytic hydrogen processor (34) in a fuel processor (14) for a fuel cell stack assembly (12) in the power plant...

20060029540 - Post-reformer treatment of reformate gas: A method of modifying reformate gas composition downstream of the reformer so that it remains in a carbon-free region, i.e. above the critical oxygen/carbon ratio even at the desired minimum operating temperature. This is accomplished by using staged partial oxidation in a partial oxidation chamber downstream of the reformer. A...

20060029539 - Synthesis gas process comprising partial oxidation using controlled and optimized temperature profile: This invention relates to methods for reacting a hydrocarbon, molecular oxygen, and optionally water and/or carbon dioxide, to form synthesis gas. The preferred embodiments are characterized by delivering a substochiometric amount of oxygen to each of a multitude of reaction zones, which allows for optimum design of the catalytic packed...

20060029541 - Method and apparatus for obtaining enhanced production rate of thermal chemical reactions: Reactors and processes are disclosed that can utilize high heat fluxes to obtain fast, steady-state reaction rates. Porous catalysts used in conjunction with microchannel reactors to obtain high rates of heat transfer are also disclosed. Reactors and processes that utilize short contact times, high heat flux and low pressure drop...

20060029542 - Process for producing synthetic zeolites with mfi structure: a

20060024223 - Method of separating and purifying cesium-131 from barium carbonate: The present invention provides a method of separating and purifying Cesium-131 (Cs-131) from Barium (Ba). Uses of the Cs-131 purified by the method include cancer research and treatment, such as for the use in brachytherapy. Cs-131 is particularly useful in the treatment of faster growing tumors....

20060024224 - Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching: A process for leaching laterite ores containing limonite and saprolite. Sufficient mineral acid is added to a slurry of limonite which is leached at atmospheric pressure to dissolve most of the soluble non-ferrous metals and soluble iron. After adding saprolite the slurry is further leached at a temperature above the...

20060024225 - H2s scavenging method: A method for removing H2S from H2S-containing gaseous streams in which an H2S-containing gaseous stream is introduced into a flow channel and at least one liquid chemical H2S scavenging agent is also introduced into the flow channel. Directly within the flow channel, liquid chemical H2S scavenging agent is transformed into...

20060024226 - Catalyst and method for decomposition of perfluoro-compound in waste gas: The present invention relates to a catalyst for the decomposition of exhausted perfluoro-compounds (PFCs) and a catalytic decomposition method of PFCs by using the same. More particularly, the present invention relates to a PFC decomposition catalyst prepared in such a manner that a surface of aluminum oxide is loaded with...

20060024227 - Array of single-walled carbon nanotubes and process for preparaton thereof: An array of aligned single-walled nanotubes and a process of fabricating an array of aligned single-walled nanotubes comprising chemical vapour deposition in the presence of a gas flow, preferably a reducing atmosphere provided by a continuous Ar/H2 gas flow. The SWNTs are preferably prepared on a quartz surface and are...

20060024228 - Methods of fabricating photocatalytic antibacterial polyester grains and textiles: Titanium dioxide nanoparticles are prepared in liquid phase at a low temperature. The titanium dioxide nanoparticles can be added into polyester to prepare polyester grains having a photocatalytic antibacterial property. Furthermore, a textile can be dipped into a solution containing the titanium dioxide nanoparticles to obtain a photocatalytic antibacterial textile....