Chemistry of inorganic compounds inventions 08/06

20060193762 - Catalyzed dissolution of copper from sulfur-containing copper minerals: Leaching of copper from minerals containing sulfur and copper is hampered by the formation of sulfur on the surface of the mineral during conventional processing. An improved method for extracting copper from a sulfur-containing copper mineral is provided, comprising adding a lixiviant and a silica-containing or titanium-containing compound to a...

20060193763 - Process for the removal of heavy metals from gases, and compositions therefor and therewith: A composition, containing vanadium, phosphorous and a support is disclosed. A method of preparing such composition is also disclosed. The composition is employed in a process to remove a heavy metal from a gaseous feed stream which can optionally include a separate heavy metal adsorption stage....

20060193764 - Process for the production of metal oxide powders: c

20060193765 - Process for producing alkali metal hydrogencarbonate: To provide a process for easily obtaining an alkali metal hydrogencarbonate having a large crystal particle size in good yield by an industrially convenient installation by a crystallization method from an aqueous solution. A process for producing an alkali metal hydrogencarbonate, which comprises reacting an aqueous solution containing alkali metal...

20060193766 - Titania nanotube and method for producing same: A titania nanotube suitable as an optical sensor or gas sensor is provided. The titania nanotube has a length of 1 μm or more; preferably a diameter of 0.1 μm or less and an aspect ratio of 100 or more....

20060193767 - Process for the storage of hydrogen using a system that strikes a balance between a material that consists of magnesium elements and magnesium nitrogen elements and nitrogen and the corresponding hydride: where n is the number of hydrogen atoms corresponding to the stoichiometry of the hydride or hydrides formed. The material can also comprise, in a minor proportion, at least one transition metal of groups 3 to 12 of the periodic table that is selected from among Sc, Ti, V, Cr,...

20060188419 - Method for production of alkali metal chromates: This invention relates to a method for producing chromates, especially for producing alkali metal chromates. The method comprises following steps: the obtaining of a mixture of alkali metal hydroxide, alkali metal chromate, and ferrous residue after the reaction of chromite ore with an oxidant in the reactor in the presence...

20060188420 - Hydride gas purification for the semiconductor industry: A method for hydride gas purification uses materials having at least one lanthanide metal or lanthanide metal oxide. The method reduces contaminants to less than 100 parts per billion (ppb), preferably 10 ppb, more preferably 1 ppb. The material can also include transition metals and transition metal oxides, rare earth...

20060188421 - Method and apparatus for thermal phase separation: An improved thermal phase separation unit separates contaminants from a contaminated substrate. The improved thermal phase separation unit includes an enclosure arranged to withstand temperatures created by a combustion system, an essentially air-tight processing chamber supported within the enclosure by support columns connected between the processing chamber and a bottom...

20060188422 - Device for purifying motor vehicle exhaust gases: Device and method for purifying motor vehicle exhaust gases. The device includes a metallic housing with plural intakes for a time-offset introduction of individual exhaust gas flows and at least one outlet for discharging exhaust gas. At least one purification module with at least one of: at least one filter...

20060188423 - Method of decarbonating a combustion fume with extraction of the solvent contained in the purified fume: The combustion fume flowing in through line 1 is decarbonated by contacting with a solvent in column C2. The solvent laden with carbon dioxide is regenerated in zone R. The purified fume discharged through line 9 comprises part of the solvent. The method allows to extract the solvent contained in...

20060188424 - Process for the removal of h2s and mercaptans from a gas stream: The invention relates to a process for the removal of, H2S. and mercaptans from a gas stream comprising these compounds, which process comprises the steps of: (a) removing H2S from the gas stream by contacting the gas stream in a H2S-removal zone with a first aqueous alkaline washing liquid to...

20060188425 - Process for the storage of hydrogen using a system that strikes a balance between an alloy of alkaline metal and silicon and the corresponding hydride: e

20060188426 - Whisker-reinforced ceramic containing aluminum oxynitride and method of making the same: A process of making aluminum oxynitride powder including the steps of: forming a powder mixture by mixing alumina powder and aluminum nitride powder according to the following formula: ((4−x)/3) alumina and x aluminum nitride wherein x is in mole percent and ranges between about 0.31 and about 0.61; adding between...

20060188427 - Apparatus and methods for reaction of limestone with sulfate solution: The present invention is a process to react limestone with sulfate and/or sulfuric acid solutions and/or other solutions containing sulfates, in order to neutralize the solutions and precipitate the sulfates, in such a way that the limestone is used with an efficiency that makes the use of limestone economic. This...

20060188428 - Additive for plastic and plastic: Disclosed is an additive for a plastic, comprising fine particles obtained by calcination and slaking of a dolomite which exhibits two endothermic peaks in the differential thermal analysis, said fine particles containing calcium carbonate, magnesium carbonate, magnesium oxide, calcium hydroxide and magnesium hydroxide as main chemical components and also containing...

20060188429 - Highly concentrated bromine compositions and methods of preparation: Liquid and solid bromine-containing compositions are described. A liquid mixed halogen composition is also described. The highly concentrated liquid compositions and the high-activity solid compositions have excellent physical and chemical stability. The compositions are effective biocides in water treatment. Methods of preparing the compositions are also disclosed. These include combining...

20060188430 - Laminated film for stretch packaging: The invention provides a laminated film for stretch wrapping including at least three layers, wherein the laminated film has both surface layers containing, as a main component, component (A) which is an ethylene polymer, and has at least one intermediate layer formed of a layer containing, as a main component,...

20060188431 - Method for preparing organic ligand-capped titanium dioxide nanocrystals: The present invention belongs to a method for preparing organic ligand-capped titanium dioxide nanocrystals, wherein the method comprises steps of using methyl titanate, ethyl titanate, n-propyl titanate, iso-propyl titanate, butyl titanate or titanium tetrachloride as a titanium source, and with capping by oleic acid or an organic capping agent, reacting...

20060188432 - Porous titanium oxide powder and method for production thereof: There is provided a titanium oxide powder having excellent ultraviolet-protecting ability, usability and transparency, and a method of manufacturing the same. The titanium oxide powder provided is a porous titanium oxide powder that is formed from titanium oxide primary particles agglomerated together, has a mean particle diameter of 0.01 to...

20060188433 - Metal-oxide based process for the generation of hydrogen from water splitting utilizing a high temperature solar aerosol flow reactor: The invention provides methods for reduction of metal oxide particles using a high temperature solar aerosol reactor. The invention also provides metal-oxide based processes for the generation of hydrogen from water splitting using a high temperature solar aerosol reactor. In addition, the invention provides solar thermal reactor systems suitable for...

20060188434 - Compact reformer unit in the low performance range, for production hydrogen from gaseous hydrocarbons: The invention relates to a compact steam reformer which generates a hydrogen-rich product gas from hydrocarbons or hydrocarbon derivatives with water being supplied, and to a process for producing the hydrogen-containing product gas. The product gas may, for example, be used in a fuel cell to generate current and heat....

20060188435 - Method and apparatus for the production of hydrogen-rich gas: A method and apparatus for the production of hydrogen-rich gas are provided. The method and apparatus prevent over-reduction of iron oxide-based shift catalyst by introducing an oxidative stream along with a carbon monoxide containing gaseous feed stream from a catalytic steam reformer to the catalyst bed region and thereby limits...

20060188436 - Apparatus and method for the production of hydrogen: Disclosed herein is an apparatus, mixture and method for the production of hydrogen comprising a solution with a pH less than 7, at least one colloidal metal suspended in the solution, and a second metal....

20060182674 - Reduction of copper content in the molybdenite concentrate: Methods and systems for removing copper minerals from a molybdenite concentrate. One embodiment provides leaching copper from the molybdenite concentrate with a leaching solution comprising ferric chloride, removing molybdenite from the leaching solution, introducing an acid into the leaching solution and introducing O2, O3, or a combination of both, into...

20060182675 - Process for production of dense soda, light soda, sodium bicarbonate and sodium silicate from solutions containing bicarbonate: A process related to sodium chemicals production, including the processing of bicarbonate containing solutions obtained by solution mining of trona, nahcolite or wegscheiderite reserves and the lake waters containing bicarbonates, includes the steps of purification, evaporation-decarbonation, crystallization, centrifuging, and drying....

20060182676 - Ammonia oxidation catalyst for the coal fired utilities: A process is described that removes by oxidation the excess ammonia (NH3) gas from flue gases that have been subjected to selective catalytic reduction (SCR) of oxides of nitrogen (NOx) by ammonia injection. The inventive process incorporates a secondary catalyst of precious metal and vanadia on a metal oxide such...

20060182677 - Process for preparing fine metal oxide particles: Disclosed is a process for preparing fine metal oxide particles, comprising the following steps of reacting a reactant mixture comprising i) water, ii) at least one water-soluble metal nitrate and iii) ammonia or ammonium salt at 250-700° C. under 180-550 bar for 0.01 sec to 10 min in a reaction...

20060182678 - Block copolymer and application thereof: The present invention relates to a block copolymer having at least one block having an acid group and at least one block having substantially no acid group, wherein one end group of a repeating unit in at least one block of all blocks is oxygen and/or sulfur, and at least...

20060182679 - Precious metal water-gas shift catalyst with oxide support modified with rare earth elements: A water gas shift catalyst comprising a platinum group metal dispersed on an inorganic oxide support modified with a carbon-containing burn-out additive and a rare earth oxide. A water gas shift catalyst containing alumina, a platinum group metal, and oxides of Pr and Nd are also disclosed....

20060182680 - Systems and processes for providing hydrogen to fuel cells: A process and system for providing a hydrogen-containing gas stream to a fuel cell anode that includes providing a hydrogen-containing gas stream that includes carbon monoxide, introducing the hydrogen-containing gas stream into a pressure swing adsorption module that includes at least one carbon monoxide-selective adsorbent to produce a purified hydrogen-containing...

20060182681 - Catalytic materials and method for the preparation thereof: The invention is related to catalytic materials and particularly to mesoporous molecular sieves embedded with a zeolite, which are thermally stable at a temperature of at least 900° C., and to a method for the preparation of the catalytic materials. Said catalytic materials are suitable for applications in the field...

20060177363 - Production of titania: A sulfate process for producing titania from a titaniferous material is disclosed. The process includes leaching the titaniferous material and producing a leach liquor, precipitating iron sulfate from the leach liquor, solvent extraction of titanyl sulfate from leach liquor, hydrolysis of the extracted titanyl sulfate, and thereafter calcining the solid...

20060177364 - Impurity disposal system and method: An impurity removing unit removes an impurity gas from a target gas while the target gas is in a gaseous state. A compressing unit compresses the impurity gas to produce compressed impurity gas. A drying unit removes water from the compressed impurity gas to produce a dried compressed impurity gas....

20060177365 - Method and device for treating automotive exhaust: The present invention applies the fundamental electrochemical NEMCA effect (Non-Faradaic Electrochemical Modification of Catalytic Activity), to the treatment of the automotive exhaust. A solid electrolyte layer is sandwiched between a conductive catalyst layer and the underlying metal honeycomb multichannel supporting structure forming the exhaust treatment device. Electric current is applied...

20060177367 - Octahedral molecular sieve sorbents and catalysts: Octahedral molecular sieve sorbents and catalysts are disclosed, including silver hollandite and cryptomelane. These materials can be used, for example, to catalyze the oxidation of COx (e.g., CO), NOx (e.g., NO), hydrocarbons (e.g., C3H6) and/or sulfur-containing compounds. The disclosed materials also may be used to catalyze other reactions, such as...

20060177366 - Targeted duct injection for so3 control: NOx and SO3 emissions from combustion of a sulfur containing carbonaceous fuel are reduced simultaneously. The combustion gases comprising NOx and SO2 are mixed with a NOx control agent into the combustion gases at a point upstream of a selective catalytic reduction catalyst for reduction of NOx. Following an SCR...

20060177368 - Mineral insulation element and process for producing it: A mineral, aluminum-blown insulation element, in particular insulation slab, comprising calcium silicate hydrates as framework and blown pores surrounded by the framework, wherein more than 40% by volume, in particular more than 50% by volume, of the blown pores have a diameter of less than 1 mm and more than...

20060177369 - Method of using copper alloy substrate for growing carbon nanotubes: A method of using copper alloy substrate for growing carbon nanotubes, wherein copper is used as the base for copper matrix, and catalysts (ferrum, cobalt, and nickel) are dissolved in the copper matrix to form an alloy substrate. During the course of production for the carbon nanotube, the alloy substrate...

20060177370 - Method for sequential production of a heterogeneous catalyst library: The sequential production of a library of N different solids, in particular heterogeneous catalysts, where N within a day is an integer of at least 2, is performed by a) producing at least two different sprayable solutions, emulsions and/or dispersions of elements and/or element compounds of the chemical elements present...

20060177371 - Method for preparing a gel containing nanometer titanium dioxide powders for visible light photocatalysis: A method for preparing a gel containing nanometer titanium dioxide particles for visible light photocatalysis, the method has the following acts of: obtaining titanium hydroxide; inverting titanium hydroxide into titanium dioxide by adding an oxidant, an improving agent, an optional acid, and an optional surfactant to compose a solution; and...

20060177372 - Method for operating a hydrogen generator: Hydrogen generators operating over a range of hydrogen production rates are controlled by alternating production between a net hydrogen make rate and a net hydrogen loss rate. A hydrogen reservoir (150) is provided and the amount of hydrogen in the reservoir is the determinant as to which hydrogen production rate...

20060171869 - Method of extracting lithium: In a method of extracting lithium from a lithium bearing mineral, the mineral is reacted with a basic material of sufficient strength to dissolve the mineral, in order to produce a product mixture containing lithium. The lithium is then recovered from the product mixture. A method of extracting lithium from...

20060171870 - Process of making hydrophobic metal oxide nanoparticles: A process of treating metal oxide nanoparticles that includes mixing metal oxide nanoparticles, a solvent, and a surface treatment agent that is preferably a silane or siloxane is described. The treated metal oxide nanoparticles are rendered hydrophobic by the surface treatment agent being surface attached thereto, and are preferably dispersed...

20060171871 - Processes for purifying phosphoric acid and for preparing phosphoric acid: A process for purifying phosphoric acid includes removing volatile components from phosphoric acid rich in impurities to form a crude phosphoric acid liquid substantially free of volatile components; heating the crude phosphoric acid liquid to a temperature above 250° C. in order to decompose phosphoric acid in the crude phosphoric...

20060171872 - Method of preparing hydrophobic silica directly from an aqueous colloidal silica dispersion: The invention provides a method of preparing hydrophobic silica particles comprising (a) providing an aqueous colloidal silica dispersion comprising about 5-70 wt. % of silica particles having an average overall particle size of about 10-1000 nm, wherein the silica particles comprise surface silanol groups, (b) combining the silica dispersion with...

20060171873 - Method of manufacturing silicon carbide: There is provided a method of manufacturing silicon carbide including reacting, in a temperature range of 370 to 800° C., (A) one selected from the group consisting of an alloy containing at least an Si element and one or more kinds of transition metal elements, a mixture containing metal silicon...

20060171874 - Sidewall functionalization of single-wall carbon nanotubes through c-n bond forming substitutions of fluoronanotubes: In some embodiments, SWNTs with functional groups covalently attached to their side walls through C—N bonds are prepared by either the direct interaction of fluoronanotubes with terminal alkylidene diamines or diethanolamine, or by a two-step procedure involving consecutive treatments with Li3N in diglyme and RCl (R═H, n-butyl, benzyl) reagents. Evidence...

20060171875 - Methods for making chlorine dioxide: Chlorine dioxide is generated in a controlled manner from chlorous acid by catalysis. Chlorine dioxide can be generated either subsequent to the generation of chlorous acid or simultaneously with the generation of chlorous acid. For catalysis of chlorous acid to chlorine dioxide, the chlorous acid may be generated by ion...

20060171876 - Co-precipitation method for the preparation of li1+xni1-ycoyo2-based cathode materials: A method for preparing Li1+xNi1−yCoyO2 cathode materials is disclosed, wherein −0.2□x□0.2 and 0.05□y□0.5. The method includes the following steps: (A) adding a first solution into a second solution thereby to form a mixed solution, wherein the first solution is a saturated lithium hydroxide solution, the mole ratio of the Li...

20060171877 - Novel titanium dioxide, process of making and method of using same: Adsorbents and Methods used for effective removal or concentration or retention and recovery of harmful or valuable dissolved ions and compounds from aqueous systems using quantum size effect on large band gap semiconductors are provided. Invention provides methods for creating surface hydroxyl groups on surfaces of anatase, brookite and rutile...

20060171878 - Method for extracting hydrogen from a gas that contains methane, especially natural gas, and system for carrying out said method: The invention relates to a method for extracting hydrogen from a gas containing methane, especially natural gas. Hydrocarbons contained in the gas are catalytically broken down in a reformer (4) by steam in order to form hydrogen, carbon monoxide and carbon dioxide. Catalytic conversion of the obtained carbon monoxide with...

20060171879 - Zero energy input hydrogen/zinc sulfate process: The production of Hydrogen and/or Zinc Sulfate by the chemical reaction of Sulfuric Acid and Zinc Coated Steel or another Zinc and Metal material. The sulfuric acid and zinc coated metal are brought together in a closed container. The dissimilar metals intensify the reaction—act as a catalyst. The hydrogen will...

20060171880 - Compact steam reformer with metal monolith catalyst and method of producing hydrogen using the same: Disclosed herein is a catalyst structure for steam reformation, in which a nickel-based steam reforming catalyst is coated on a metal monolith. Also disclosed is a method for producing hydrogen using a steam reforming reaction, the method comprising bringing a mixed gas of steam and hydrocarbon into contact with the...