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7572433 |
Oxides extracted from vegetal matter and process therefor
The invention concerns a process for the extraction of acid or basic oxides contained in a vegetal matter, more specifically it concerns the extraction of silica from rice husks. The invention also...
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7568297 |
Grain drying aeration system
An improved vertical aeration system is provided for a grain bin having a sloped hopper bottom with a discharge opening. A pyramid frame includes legs with lower ends attachable to the hopper...
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7521039 |
Photocatalytic rutile titanium dioxide
The present invention is directed to photocatalytically active rutile titanium dioxide. The photocatalytically active rutile titanium dioxide of the present invention demonstrates enhanced activity...
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7498001 |
Catalyst, method of making, and reactions using the catalyst
The present invention includes a catalyst having a layered structure with, (1) a porous support, (2) a buffer layer, (3) an interfacial layer, and optionally (4) a catalyst layer. The invention...
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7442816 |
Antimony vanadium phosphate
A new composition, SbVPO 6+δ , in which 0≦δ≦ 1.5, has been prepared. Crystals of the compound have been grown by several methods, and the crystal structure has been determined. It is related...
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7442360 |
Hydrogen peroxide production in microchannel reactors
The present invention includes methods and apparatuses that utilize microchannel technology and, more specifically in exemplary form, producing hydrogen peroxide using microchannel technology. An...
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7435405 |
Anti-oxidation method for sulfide minerals in sulfide ore
By suppressing oxidation of sulfide minerals in sulfide ore due to bacteria or the like, this invention prevents the elution of heavy metals from the sulfide ore, and reduces the decrease in...
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7416718 |
Auto-oxidation production of hydrogen peroxide via oxidation in a microreactor
Hydrogen peroxide is prepared by an auto-oxidation method via oxidation in a microreactor. A working solution containing a reactive carrier compound is hydrogenated with hydrogen in a first step...
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7407639 |
Method for preparing particles of a defined size in a reaction vessel
The present invention relates to a method of preparing particles of a defined size and morphology, using a reaction of reactants, wherein the reaction is carried out in the presence of rotational...
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7402368 |
Hydrophobic inorganic fine particles, hydrophobic inorganic fine particles production process, and toner
Hydrophobic inorganic fine particles characterized by being a mixture of at least small-particle-diameter inorganic fine particles having an average primary particle diameter of 5 to 25 nm and...
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7371361 |
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...
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7354561 |
Chemical reactor and method for chemically converting a first material into a second material
A chemical reactor and method for converting a first material into a second material is disclosed and wherein the chemical reactor is provided with a feed stream of a first material which is to be...
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7351396 |
Extraction process for removal of impurities from an aqueous mixture
A method for removing impurities from an aqueous mixture or purified aqueous by extracting the aqueous mixture or purified aqueous mixture with an extraction solvent in an extraction zone to form...
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7348295 |
Gas separation using molecular sieve SSZ-74
The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and its use in gas...
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7314845 |
Supported catalyst systems
The present invention relates to a supported catalyst system. The supported catalyst of the present invention comprises an inorganic support having attached to at least one surface thereof...
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7297324 |
Microchannel reactors with temperature control
Microchannel devices and method of use are disclosed wherein a reaction microchamber 52 is in thermal contact with a heat exchange channel 61 . An equilibrium limited exothermic chemical process...
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7297323 |
Method and apparatus for manufacturing fine particles
A method of manufacturing fine particles of the invention includes introducing a reactive gas flow containing a fine particle source material into a reactor from one side, growing fine particles in...
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7276223 |
Method and device for chemical reaction between a gas and at least one compound in solution carried out in the presence of a solid catalyst
A gas/liquid reaction with a liquid containing at least one chemical compound in solution which can react with a gas in the presence of a solid catalyst maintained in suspension in the liquid, the...
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7250151 |
Methods of conducting simultaneous endothermic and exothermic reactions
Integrated Combustion Reactors (ICRS) and methods of making ICRs are described in which combustion chambers (or channels) are in direct thermal contact to reaction chambers for an endothermic...
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7250150 |
Chemical reactor with pressure swing adsorption
A chemical reaction is performed with separation of the product(s) and reactant(s) by pressure swing adsorption (PSA), using an apparatus having a plurality of adsorbers cooperating with first and...
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7214363 |
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...
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7195747 |
Process for mixing and reacting two or more fluids
A novel process for continuously mixing and reacting at least two fluids are disclosed. Excellent mixing and superior pressure drop characteristics are achieved using cyclone mixing where at least...
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7150862 |
Method of manufacturing powder
A method of manufacturing a powder, by which it is possible to adjust the strength of the obtained powder is provided. The manufacturing method of a powder involves a step of preparing a slurry...
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7144568 |
Method and device for carrying out a reaction in liquid medium with gas evolution
Described is a process and a device for carrying out a reaction in liquid medium during which evolution of gas occurs. The process can be applied in particular to a reaction employing a peroxide...
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7101525 |
Catalytic device for the implementation of a reaction in a gaseous medium at high temperature
The present invention relates to a catalytic device for the implementation of a reaction in a gaseous medium at high temperature, such as, for example, the synthesis of HCN or the oxidation of...
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7097787 |
Utilization of micro-channel gas distributor to distribute unreacted feed gas into reactors
A method of partially oxidizing a feed gas comprises providing a reactor containing a catalyst, providing a gas distributor comprising a body having a plurality of channels therethrough and a...
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7090827 |
Process for immobilizing metallic sodium in glass form
A process for immobilizing metallic sodium in glass form. The process comprises: (A) introducing in a dispersed state, into a reactor, an amount of a vitrified matrix precursor, metallic sodium and...
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7078130 |
Metallic mesoporous transition metal oxide molecular sieves, room temperature activation of dinitrogen and ammonia production
This invention provides novel stable metallic mesoporous transition metal oxide molecular sieves and methods for their production. The sieves have high electrical conductivity and may be used as...
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7078012 |
Method of producing a high pressure gas
A method of producing a high pressure gas is disclosed and which includes providing a container; supplying the container with a liquid such as water; increasing the pressure of the liquid within...
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7070757 |
Method for producing catalysts consisting of metal of the platinum group by means of electroless deposition and the use thereof for the direct synthesis of hydrogen peroxide
Catalysts produced by electroless deposition of at least one platinum metal on a nonporous nonmetallic support can be used for the synthesis of hydrogen peroxide from the elements and for the...
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7070751 |
Production of gaseous chloramine
The present invention provides a reactor for the gas-phase reaction of commercially available gases in the presence of an inert carrier gas to form product gas. The reactor has a streamlined,...
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7056485 |
Continuous hydrogenation process
The invention is directed to a continuous hydrogenation process in which a hydrogenable compound is dissolved in a working solution with hydrogen and a heterogeneous catalyst. At least part of the...
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7045114 |
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...
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7018605 |
Sulfidation reaction control method
A method of sulfidation removal of zinc using hydrogen sulfide is provided, desirably at a temperature at 60° C. or lower, wherein in a container that is pressurized at 0.1 MPa or less with...
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7011807 |
Supported catalysts having a controlled coordination structure and methods for preparing such catalysts
Supported reactive catalysts having a controlled coordination structure and methods for their production are disclosed. The supported catalysts of the present invention are useful for the...
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6969506 |
Methods of conducting simultaneous exothermic and endothermic reactions
Integrated Combustion Reactors (ICRs) and methods of making ICRs are described in which combustion chambers (or channels) are in direct thermal contact to reaction chambers for an endothermic...
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6960333 |
High performance heat exchangers
Disclosed are means for improving the service-life of indirect tubesheet type heat exchangers used in chemical reactors, particularly those exposed to reducing, nitridizing and/or carburizing...
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6946113 |
Method for processing fluid flows in a micro component reformer system
A method for processing separate fluid flows in a micro component system for the production of hydrogen gas used in fuel cells in which a first fluid flow is directed to micro channels formed on...
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6869586 |
Method of preparing metal containing compounds using hydrodynamic cavitation
A process for the preparation of nanostructured materials in high phase purities using cavitation is disclosed. The method comprises mixing a metal containing solution with a precipitating agent...
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6861038 |
Ceramics and method of producing ceramics
A method of continuously producing a non-oxide ceramic formed of a metal constituent and a non-metal constituent. A salt of the metal constituent and a compound of the non-metal constituent and a...
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6843976 |
Reduction of zinc oxide from complex sulfide concentrates using chloride processing
An apparatus and a process for producing zinc oxide from a zinc-bearing material are provided. The process comprises the steps of leaching the complex sulfide material with hydrochloric acid,...
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6824752 |
Process and system for purifying gases
This invention is directed to a system and a process for protecting a gas purification system from damage comprising passing a stream of impure gas through a catalyst bed and measuring the...
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6811765 |
Thermal treatment of fine grain materials in a coarse-grain fluidized bed
The invention relates to a method for heat-treating fine-grained materials which tend to agglomerate at high temperatures and which have an average grain size of preferably 0 to 1000 μm within...
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6780390 |
Method of producing high purity germanium tetrafluoride
A method of producing high purity germanium tetrafluoride comprising the step of flowing a mixture of inert gas and fluorine gas through a reactor chamber preferably containing germanium powder....
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6770216 |
Method for producing titanium-containing aqueous solutions
A method is disclosed for producing a titanium-containing aqueous solution by reacting a titanium alkoxide with water in the presence of at least one of ammonia, and amines selected from a primary...
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6768013 |
Intrinsically safe oxidation process
A novel process for the direct oxidation of hydrogen and hydrocarbons is disclosed, where the explosion risks inherent in gas phase oxidations are substantially eliminated. Gaseous oxidation...
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6759027 |
Method and installation for carrying out a three phase chemical reaction under pressure
A gas siphon type reactor ( 10 ) is used to carry out a three phase chemical reaction under pressure, such as the reduction of uranyl nitrate to uranous nitrate by hydrogen, in the presence of a...
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6726851 |
Process for carrying out non-adiabatic catalytic reactions
Process for carrying out non-adiabatic reactions comprising the steps of: introducing in parallel a first stream of reactants into a first reaction space and a second stream of reactants into a...
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6696030 |
Method for reducing the chemical conversion of oxidizable or disproportionable compounds contacting carbonaceous chars
A method is provided for reducing the chemical conversion of oxidizable or disproportionable compounds contained in liquid or gaseous process media which contact carbonaceous chars. In this method...
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6689334 |
Process for reducing or avoiding foam production during chemical and physical materials conversion processes
The production of foam which occurs in many chemical and physical materials conversion processes can be avoided by performing the materials conversion process in an ascending jet reactor, including...
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