Chemistry of inorganic compounds inventions 05/06

20060110303 - Process for the dissolution of actinic oxides: The invention provides a process for dissolving actinic oxides, the process comprising performing the steps of (a) introducing the actinic oxides into a solution of nitric acid; (b) treating the acidic solution in order to substantially remove palladium; and (c) treating with divalent silver. Preferably, the actinic oxides are comprised...

20060110304 - Wet gas purification method and system for practicing the same: The present invention provides a wet gas purification method in which ammonia in the gas is removed, and a system for carrying out said method, characterized in that the method includes a washing step in which ammonia in the gas is absorbed in an absorbent for removal; and an ammonia...

20060110305 - Process for removing sulphur compounds including hydrogen sulphide and mercaptans from gas streams: The invention concerns a process for the removal of hydrogen sulphide, mercaptans and optionally carbon dioxide and carbonyl sulphide from a gas stream comprising hydrogen sulphide, mercaptans and optionally carbon dioxide and carbonyl sulphide, by removing in a first step most of the hydrogen sulphide, part of the, mercaptans and...

20060110306 - Nanostructured bioactive materials prepared by dual nozzle spray drying techniques: Nano-particles of calcium and phosphorous compounds are made in a highly pure generally amorphous state by spray drying a weak acid solution of said compound and evaporating the liquid from the atomized spray in a heated colunm followed by collection of the precipitated particles. Hydroxyapatite (HA) particles formed by such...

20060110307 - High-cleaning silica materials made via product morphology control and dentifrice containing such: Unique abrasive and/or thickening materials that are in situ generated compositions of precipitated silicas and silica gels are provided. Such compositions exhibit different beneficial characteristics depending on the structure of the composite in situ generated material. With low structured composites (as measured via linseed oil absorption levels from 40 to...

20060110308 - Silicon carbides, silicon carbide based sorbents, and uses thereof: Methods of making silicon carbide comprise providing at least one organosilicon precursor material, hydrolyzing the organosilicon in a solution comprising water and an acid catalyst, providing a surfactant to the solution, forming a gel by adding a base to the solution, and heating the gel at a temperature and for...

20060110309 - Hydrocyanic acid consisting of formamide: The present invention relates to a process for preparing hydrocyanic acid (HCN) by catalytic dehydration of gaseous formamide in a reactor which has an internal reactor surface made of a steel comprising iron and chromium and nickel, and also to a reactor for preparing hydrocyanic acid by catalytic dehydration of...

20060110310 - Systems and methods for reducing carbonates in a chlorination system: Systems and methods are disclosed for increasing the concentration of hypochlorous acid in a quantity of water. Acid is added into chlorinated water to decrease the pH of the chlorinated water. By decreasing the pH, the hypochlorite/hypochlorous acid equilibrium of the chlorinated water is shifted to increase the concentration of...

20060110311 - Catalyst composite and methods of making and using: A catalyst composite includes an agglomerate of a plurality of catalyst composite components and a binder. The catalyst composites may be useful as a catalyst in a variety of chemical processes including hydrogenation, dehydrogenation, hydrogenolysis, oxidation, reduction, alkylation, dealkylation, carbonylation, decarbonylation, coupling, isomerization, amination, deamination, or hydrodehalogenation....

20060110312 - Bromide reduction process in liquid solutions: The invention provides a method for reducing bromine levels in brine solutions such as potassium chloride brine solutions. Bromide in solution is converted to hypobromite by the addition of an oxidant such as sodium hypochlorite. Hypobromite is precipitated by the addition of a metal cation such as magnesium under conditions...

20060110313 - Method for the preparation of iv-vi semiconductor nanoparticles: A high temperature (on the order of about 90° C. or above) non-aqueous synthetic procedure for the preparation of substantially monodisperse IV-VI semiconductor nanoparticles (quantum dots) is provided. The procedure includes first introducing a first precursor selected from the group consisting of a molecular precursor of a Group IV element...

20060110315 - Mesoporous oxide of hafnium: This invention pertains to a mesoporous oxide of hafnium and processes of making a mesoporous oxide of hafnium....

20060110314 - Mesoporous oxide of zirconium: This invention pertains to mesoporous oxide of zirconium and processes of making a mesoporous oxide of zirconium....

20060110317 - Mesoporous amorphous oxide of titanium: This invention pertains to a mesoporous amorphous oxide of titanium and processes of making a mesoporous amorphous oxide of titanium....

20060110316 - Mesoporous metal oxide: This invention pertains to mesoporous metal oxides and processes of making mesoporous metal oxides. The metal oxides of the invention can be suitable for use as catalysts, catalyst supports, and nanoparticle precursors. Metal oxides and derivative oxides that may be prepared are the oxides of Ti, Zr, and Hf. Metal...

20060110318 - Mesoporous oxide of titanium: This invention pertains to mesoporous oxide of titanium and processes of making mesoporous oxide of titanium particularly crystalline oxide of titanium....

20060110319 - Rutile titania nano sols and process for manufacturing the same: The present invention is related to a process of manufacturing rutile high-purity titania nano sols in a pure aqueous medium having no ionic impurities. In more detail, the present invention is related to a process for manufacturing titania nano sols, in which high-purity rutile titania nano particles are dispersed stably,...

20060110320 - Thermal spraying powder and manufacturing method thereof: A thermal spraying powder contains a fused and crushed powder of alumina, and the number of colored particles included per 1 g of the thermal spraying powder is 4 or less. The thermal spraying powder is manufactured through a step for removing impurity particles from the fused and crushed powder....

20060110321 - Itq-27, new crystalline microporous material: ITQ-27 (INSTITUTO DE TECNOLOGÍA QUÍMICA number 27) is a new crystalline microporous material with a framework of tetrahedral atoms connected by atoms capable of bridging the tetrahedral atoms, the tetrahedral atom framework being defined by the interconnections between the tetrahedrally coordinated atoms in its framework. ITQ-27 can be prepared in...

20060104876 - Magnesium thiosulfate as ozone and chlorine quencher: In one aspect, ozone is quenched from a water stream, such as a drinking water or wastewater stream being treated with ozone, by contacting the stream with magnesium thiosulfate. In another aspect, a method of scrubbing ozone from a gaseous stream comprises contacting the gaseous stream with magnesium thiosulfate. In...

20060104877 - Method of deacidizing a gas with a fractional regeneration absorbent solution: The gaseous effluent flowing in through line 1 is contacted in absorption zone ZA with the liquid absorbent solution flowing in through line 9. The gaseous effluent depleted in acid compounds is discharged through line 2. The absorbent solution laden with acid compounds is discharged through line 3. The absorbent...

20060104878 - Safety, monitoring and control features for thermal abatement reactor: The present invention relates to a thermal reactor apparatus used to treat industrial effluent fluids, for example waste effluent produced in semiconductor and liquid crystal display manufacturing processes. Specifically, the present invention relates to improved monitoring and control features for the thermal reactor apparatus, including a flame sensing device, an...

20060104879 - Reactor design to reduce particle deposition during process abatement: The present invention relates to systems and methods for controlled combustion and decomposition of gaseous pollutants while reducing deposition of unwanted reaction products from within the treatment systems. The systems include a novel thermal reaction chamber design having stacked reticulated ceramic rings through which fluid, e.g., gases, may be directed...

20060104880 - Method for preparing rare-earth halide blocks: The invention relates to a method of preparing a polycrystalline block of a halide of formula AeLnfX(3f+e) in which Ln represents one or more rare earths, X represents one or more halogen atoms selected from the group consisting of Cl, Br and I, and A represents one or more alkali...

20060104881 - Process for the produciton of metal oxide and metalloid oxide dispersions: Process for the production of an aqueous dispersion of pyrogenically produced metal oxide and metalloid oxide powders with a BET surface area of between 5 and 600 m2/g, with a metal oxide or metalloid oxide content in the dispersion of between 5 and 25 wt. %, comprising the following steps:—water,...

20060104882 - Silicon carbide fibers essentially devoid of whiskers and products made therefrom: Silicon carbide fibers are produced by mixing discontinuous isotropic carbon fibers with a silica source and exposing the mixture to a temperature of from about 1450° C. to about 1800° C. The silicon carbide fibers are essentially devoid of whiskers have excellent resistance to oxidation and excellent response to microwave...

20060104883 - Method for treating materials containing free or chemically boundcarbon: The invention relates to the method and the apparatus for thermal processing of material containing free or chemically bound carbon, wherein the material is supplied into the reactor and gasifying agent containing oxygen is supplied counter currently with the supply of the material into the reactor, the zones of oxidizing...

20060104884 - Cvd synthesis of carbon nanotubes: A method of production of carbon nanoparticles comprises the steps of: providing on substrate particles a transition metal compound which is decomposable to yield the transition metal under conditions permitting carbon nanoparticle formation, contacting a gaseous carbon source with the substrate particles, before, during or after said contacting step, decomposing...

20060104885 - Vertical aligned nano-scale diamond structure and process for fabricating the same: A vertical aligned nano-scale diamond structure comprising diamond nanotip or nanotube is provided. More particularly, apparatus and method are disclosed for depositing such diamond structure on a rugged polycrystalline substrate....

20060104886 - Pure-chirality carbon nanotubes and methods: A method of providing bulk products of pure-chirality single walled nanotubes having substantially one chirality, and bulk products of pure-chirality nanotubes having at least 50% one chirality. By providing bulk products of pure-chirality nanotubes, the electrical conductivity of the nanotubes can be predetermined and can be made more electrically conductive...

20060104890 - Catalyst for synthesis of carbon single-walled nanotubes: Methods and processes for preparing supported metal catalysts are provided, where the supported metal catalysts can be used for the bulk synthesis of carbon nanotubes. The salts of the metal and the support are selected such that they are soluble in the same solvent. The catalyst can be prepared from...

20060104888 - Method of producing vapor-grown carbon fibers: A method for producing vapor-grown carbon fibers, comprising contacting a carbon compound with a catalyst and/or a catalyst precursor compound in a heating zone, wherein the carbon compound is a combination of compounds respectively selected from carbon compounds having no benzene ring structure within molecule [Group (a)] and from aromatic...

20060104889 - Methods for controlling the quality of metal nanocatalyst for growing high yield carbon nanotubes: Methods and processes for determining the particle size distribution of metal catalysts are provides. Superconducting Quantum Interference Device (SQUID) magnetometer is used to evaluate the magnetic catalyst particle sizes dispersed in the support material. Dependence on variation of the metal/support material ratio, which defines the metal particle sizes, the catalyst...

20060104887 - Producing method and apparatus of carbon nanofibers: The present invention is provided with a reaction apparatus (12) that supplies carbon raw material (11) and fine particles (50) to cause carbon nanofibers to grow on surfaces of the fine particles (50), a heating apparatus (20) that heats the reaction apparatus 12, a recovery line (23) that recovers fine...

20060104891 - High yield co-production of anhydrous hydrogen bromide and sodium bisulfate: A batch process for co-producing anhydrous hydrogen bromide and a purified bisulfate salt comprising: (a) charging a batch reactor with a bromide salt slurry, wherein the slurry is more than 50% by weight bromide salt; (b) reacting the slurry with sulfuric acid in a batch reaction wherein bromide salt is...

20060104892 - High yield co-production of anhydrous hydrogen bromide and sodium bisulfate: A process for co-producing anhydrous hydrogen bromide and a purified bisulfate salt by (a) reacting a bromide salt with sulfuric acid to produce crude hydrogen bromide and crude bisulfate salt; (b) purifying the crude hydrogen bromide to produce anhydrous hydrogen bromide; and (c) removing bromide from the crude bisulfate salt...

20060104893 - P-type transparent conducting oxides and methods for preparation: A facile, low temperature and low pressure method for the preparation of a wide range of phase pure ABO2 compositions....

20060104894 - Method for making single-phase anatase titanium oxide: This invention relates to methods of making single phase nanocrystalline titanium dioxide. It is hereby provided a method for preparing single-phase anatase type titanium dioxide photocatalyst having a particle size of nano level at near room temperatures without the need for a sintering process at high temperatures....

20060104895 - Transitional alumina particulate materials having controlled morphology and processing for forming same: An alumina particulate material is disclosed, including particles comprising transitional alumina having an aspect ratio of not less than 3:1 and an average particle size of not less than about 75 nm. Also disclosed are fabrication techniques based on seeded processing pathways....

20060104896 - Steam methane reforming method: A steam methane reforming method in which a feed stream is treated in a reactor containing a catalyst that is capable of promoting both hydrogenation and partial oxidation reactions. The reactor is either operated in a catalytic hydrogenation mode to convert olefins into saturated hydrocarbons and/or to chemically reduce sulfur...

20060099122 - Method and device for generating mixtures of fluids in a boundary layer: A method and a device to generate an area of a mixture of fluids by introducing media having at least a different physical or chemical property into a boundary layer of a surface using vortices are provided. The method and the device can be applied to moving vehicles or walls...

20060099123 - Utilisation of waste gas streams: In a process and apparatus for utilisation of an ammonia-containing waste gas stream from a semiconductor processing step, ammonia contained in the waste gas stream is decomposed, for example, in a reactor (3), into hydrogen and nitrogen, the gas stream so obtained is passed through a hydrogen separator (5) in...

20060099124 - Method for isolating hydrogen sulphide from coke oven gas with the subsequent recovery of elemental sulphur in a claus plant: The invention relates to a method for isolating hydrogen sulphide from coke-oven gas with the subsequent recovery of elemental sulphur in a Claus plant. The hydrogen sulphide is eliminated from the coke-oven gas by gas washing using an absorption liquid. During the regeneration of the loaded absorption liquid, hydrogen sulphide...

20060099125 - Method for the removal of carbon monoxide from a gas mixture: e

20060099126 - Sputtering target and process for producing the same: A manufacturing method of a sputtering target having mainly oxychalcogenide containing La and Cu by sintering at least one or more powders selected from an elementary substance of a constituent element, oxide or chalcogenide as the raw material, characterized in including a reaction step of retaining the [material] at a...

20060099127 - New type of catalytic materials based on active metal-hydrogen-electronegative element complexes for hydrogen transfer: The present invention relates to a composition of matter prepared in accordance with a method comprising the steps of: (a) combining a substance selected from the group consisting of: metal or metalloid, or an alloy thereof, or a compound thereof, or an homogeneous or inhomogeneous combination of at least two...

20060099128 - Synthetic magnesium silicate compositions and process for the production thereof: where a is 4.5 to <6.0, b is from >0 to 1.5, c is from 0 to 4, d=12−2a−b, M is a cation, n is the valency of cation M, w is from 32.8 to 94.7 wt. %, x is from 0.3 to 32.0 wt. %, y is from 0...

20060099129 - High-surface precipitation silicic acids: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles....

20060099130 - Silica mesoporous materials: A method for the preparation of new porous inorganic microsphere compositions possessing uniform mesopores in the range of about 200 to 450 nm. An improved process for preparing silica microspheres, and their use in synthesizing mesoporous inorganic materials. These microspheres and mesoporous materials have many applications, such as for catalyst...

20060099131 - Maximum reaction rate converter system for exothermic reactions: An ammonia converter system and method are disclosed. The reactor can alter the conversion of ammonia by controlling the reaction temperature of the exothermic reaction along the length of the reactor to parallel the equilibrium curve for the desired product. The reactor 100 can comprise a shell 101 and internal...

20060099132 - Process for the production of precipitated calcium carbonates and product produced thereby: A process for producing precipitated calcium carbonate, including the steps of providing calcium hydroxyde, and carbonating the calcium hydroxyde with carbon dioxyde gas and communicating for a time sufficient to produce a calcium carbonate having at least about a 90 weight percent conversion to calcium carbonate and having a solids...

20060099133 - Charcoal producing method and apparatus: Disclosed are charcoal production process and apparatus which can produce charcoal by high-temperature carbonization at a high temperature of 800° C. or above. This charcoal production apparatus comprises: an in-kiln space 2 for placing therein a raw material 37 for charcoal; a flame port 3 and a vent hole 4...

20060099135 - Carbon nanotubes: high solids dispersions and nematic gels thereof: Disclosed are high weight fraction carbon nanotube dispersions including an aqueous medium, carbon nanotubes, and at least one surfactant, the surfactant having an aromatic group, an alkyl group having from about 4 to about 30 carbon atoms, and a charged head group. Also disclosed are ultrasonication processes capable of providing...

20060099134 - Method for producing fine carbon fiber: Provided is a process for producing a fine carbon fiber by a method of thermal decomposition of at least one organic compound containing VIB group element in the periodic table in a molecule using a ultra fine particles comprising at least one transition metal as a catalyst, wherein a gas...

20060099136 - Hot wire production of single-wall and multi-wall carbon nanotubes: Apparatus (210) for producing a multi-wall carbon nanotube (213) may comprise a process chamber (216), a furnace (217) operatively associated with the process chamber (216), and at least one filament (218) positioned within the process chamber (216). At least one power supply (220) operatively associated with the at least one...

20060099137 - Fluorine production systems and methods: Fluorine generation systems are provided that can include, in exemplary embodiments, a reactor configured to decompose a fluorine-comprising material. The reactor can include a plurality of chambers with at least one of the chambers being configured to receive the fluorine-comprising material. The chamber includes sidewalls with the exterior of the...

20060099138 - Method for producing chlorine from hydrochloric from hydrochloric aid: Process for preparing chlorine from hydrochloric acid, which comprises the steps: a) providing a hydrochloric acid feed stream I; b) providing a hydrochloric acid recycle stream II; c) separating off a hydrogen chloride stream IV from the hydrochloric acid feed stream I and the hydrochloric acid recycle stream II in...

20060099139 - Sulfur-functionalized carbon nanoarchitectures as porous, high-surface-area supports for precious metal catalysts: The invention relates to sulfur-functionalized polymer gels and carbon gels, including aerogels, and such carbon gels containing platinum or metal nanoparticles. The platinum-containing gels may be useful as fuel-cell electrodes....

20060099140 - Oxide sintered body: An oxide sintered body is composed mainly of indium and containing tungsten, has a resistivity of no more than 1 kΩcm. The tungsten content in terms of the W/In atomic ratio is preferably at least 0.001 and no more than 0.17. The oxide sintered body comprise mainly a bixbyite structure...

20060093540 - 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...

20060093541 - Aluminum-containing precipitated silicic acid having an adjustable bet/ctab ratio: The present invention relates to precipitated silica containing aluminum, which has an adjustable BET/CTAB ratio, a process for its manufacture and its use....

20060093543 - Pyrogenically produced silica: Pyrogenically produced silica powder with a BET surface of 30: to 90 m2/g, a dibutyl phthalate number of at least 80 and a tamped density of no more than 110 g/l. It is produced in that at least one vaporous silicon compound, a gas containing free oxygen and a combustible...

20060093542 - Silicon dioxide dispersion: Stable, aqueous dispersion containing silicon dioxide powder having a hydroxyl group density of 2.5 to 4.7 OH/nm2, which is obtained from a silicon dioxide powder produced by a flame hydrolysis process under acid conditions. The dispersion is produced by incorporating the silicon dioxide powder into an aqueous solution by means...

20060093544 - Method for preparing composite microparticles: Composite microparticles having thin coating layers can be simply prepared by bringing a host particle precursor into contact with a flame generated in a burner movably mounted at the bottom of a coating apparatus, by introducing the precursor in the form of a vapor or micronized liquid droplets upwardly into...

20060093545 - Process for producing monolayer carbon nanotube with uniform diameter: Provided is a process for producing a single-walled carbon nanotube on a substrate on which a lot of fine particles comprising at least one kind of a catalyst metal are formed in a reaction apparatus maintained in vacuum, wherein at least one kind of fullerene C2n's (n is an integer...

20060093546 - Graphite particles and lithium secondary battery using the same as negative electrode: A graphite particle obtained by assembling or binding together a plurality of flat-shaped particles so that the planes of orientation are not parallel to one another, or a graphite particle in which aspect ratio is 5 or less or specific surface area is 8 m2/g or less or the size...

20060093547 - Process for treating fluorine compound-containing gas: A gas stream containing at least one fluorine compound selected from the group consisting of compounds of carbon and fluorine, compounds of carbon, hydrogen and fluorine, compounds of sulfur and fluorine, compounds of nitrogen and fluorine and compounds of carbon, hydrogen, oxygen and fluorine is contacted with a catalyst comprising...

20060093548 - Using an air jacket to capture the heat of reaction for waste heat recycle in the production of aluminum fluoride: A method to produce AlF3 (20) from countercurrent contact of HF gas (18) and Al2O3.3H2O (16) solids in a reactor (9) generates reaction heat in the reactor, and where air (42) is used as a coolant in a cooling jacket (44) around the outside of the reactor to produce heated...

20060093549 - Positive electrode active material for lithium ion secondary battery: Disclosed is a positive electrode active material for a lithium ion secondary battery, including lithium-transition metal composite oxide of a layer crystal structure, in which the lithium-transition metal composite oxide contains an element that improves conductivity of electrons in the lithium-transition metal composite oxide. Use of this positive electrode active...

20060093550 - High temperature stable non-noble metal catalyst, process for production of syngas using said catalyst: wherein, S is a low surface area macroporous highly sintered solid support essentially comprising zirconium and hafnium oxides with less than 3 wt % silica and/or alumina and having surface area less than 1.0 m2/g and pore diameter greater than 0.1 micron, in a form of pellet, ring, monolith or...