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8178477 |
Proppants with carbide and/or nitride phases
Proppants which can be used to prop open subterranean formation fractions are described. Proppant formulations which use one or more proppants of the present invention are described, as well as...
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8153087 |
Method for the purification of radium from different sources
The present application is directed to a method for the purification of Radium, in particular 226Ra, for target preparation for an essentially pure 225Ac production from available radioactive...
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8137644 |
Method for the elimination of uranium (VI) species in the form of uranyl complexes from waters
The invention relates to a method for the removal of uranium(VI) species from waters by means of weakly basic, polyacrylic-based anion exchangers, said uranium(VI) species being present in the form...
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8049166 |
Mass spectrometer system and mass spectrometry method
A mass spectrometer system comprises a chamber having an ion emitting unit to emit metal ions in the chamber with a communicating hole; a neutral molecule introduction unit; another gas...
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8029750 |
Process and device for removal of exhaust gases
The invention relates to a process as well as a device for removal of exhaust gas (7) that contains oxidizable pollutants. The exhaust gas (7) that contains oxidizable pollutants is introduced at a...
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7993611 |
Method of preparing ceramic powders using ammonium oxalate
Wet-chemical methods involving the use of water-soluble hydrolytically stable metal-ion chelate precursors and an ammonium oxalate precipitant can be used in a coprecipitation procedure for the...
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7985388 |
Process for making nano-sized and micro-sized precipitate particles
There is disclosed a process of making nano-sized or micro-sized precipitate particles. The process comprising the steps of mixing, in a reaction zone, a metal salt solution with a precipitant...
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7922994 |
Method for preparing metal oxide particles with a controlled size
A method for preparing metal oxide particles having a primary particle size on the order of nanometers is provided. The method comprises subjecting a metal ion present in an aqueous solution and an...
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7914755 |
Method of preparing ceramic powders using chelate precursors
Wet-chemical methods involving the use of water-soluble hydrolytically stable metal-ion chelate precursors and the use of a nonmetal-ion-containing strong base can be used in a coprecipitation...
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7862785 |
Use of surfactants in the production of metal
An aqueous sulfuric acid-containing composition which comprises at least one surfactant, and a process for extricating metal from metal-containing materials with the aid of this aqueous sulfuric...
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7850933 |
Nanoparticles, methods of making, and applications using same
Methods for forming nanoparticles under commercially attractive conditions. The nanoparticles can have very small size and high degree of monodispersity. Low temperature sintering is possible, and...
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7708974 |
Tungsten comprising nanomaterials and related nanotechnology
Nanoparticles comprising tungsten, methods of manufacturing nanoparticles comprising tungsten, and applications of nanoparticles comprising tungsten, such as electronics, optical devices,...
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7704413 |
Method for the preparation of a composition of nanoparticles of at least one crystalline metal oxide
The invention relates to a method for the preparation of a composition of nanoparticles of at least one crystalline metal oxide from at least one organometallic precursor. One precursor(s) which...
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7670575 |
Method and device for treating anode slime
The method and furnace according to the invention enable a continuous processing of anode slime and are particularly suited to be connected to a process where anode slime is treated by...
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7648689 |
Process for the production of InP fine particles and InP fine particle dispersion obtained by the process
The invention is to provide a process for industrially advantageously producing InP fine particles having a nano-meter size efficiently in a short period of time and an InP fine particle...
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7641890 |
Inorganic fine particle and method for producing the same using microchannel
The present invention provides a method for producing an inorganic fine particle comprising the step of: reacting two or more reaction solutions for forming an inorganic fine particle while the...
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7641799 |
Method of separating isotopes
A process in which isotopes of the same element belonging to the alkaline earth metals, transition elements and heavy metals having an atomic mass of less than 209, in particular lanthanide metals,...
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7585474 |
Ternary oxide nanostructures and methods of making same
A single crystalline ternary nanostructure having the formula AxByOz, wherein x ranges from 0.25 to 24, and y ranges from 1.5 to 40, and wherein A and B are independently selected from the group...
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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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7547425 |
Cold-walled vessel process for compounding, homogenizing and consolidating semiconductor compounds
A method is provided for compounding, homogenizing and consolidating compounds. In one embodiment, the charge components are mixed in a controlled addition process, then the newly-formed compound...
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7531149 |
Synthetic control of metal oxide nanocrystal sizes and shapes
A general, reproducible, and simple synthetic method that employs readily available chemicals permits control of the size, shape, and size distribution of metal oxide nanocrystals. The synthesis...
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7527771 |
Dissolving metal particles from supported catalyst using ultrasonic energy, solvent and etchant
A sample preparation method for characterization of nanoparticles embedded in the supports of heterogeneous catalysts, with improved particle dispersion, is introduced. The supported catalyst is...
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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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7265254 |
Waste processing method, waste processing system, integrated waste processing method, and integrated waste processing system
Chlorine-containing waste is processed inside a heating device, an alkali metal compound and a calcium compound are given into the heating device while the temperature of a solid phase inside the...
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H002198 |
Multi-stage pyrolysis systems for treating chlorine contaminated wastes
A method of decontaminating solids contaminated with chlorinated hydrocarbons includes a first step of heating the contaminated solids at a temperature high enough to volatize chlorine contaminates...
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7238331 |
Process for producing nano-powders and powders of nano-particle loose aggregate
The present invention discloses a process for producing nano-powders and powders of nano-particle loose aggregate, which includes: (a) providing at least two reactant solutions A and B capable of...
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7211230 |
Process for producing nanometer grade powders
The present invention discloses a process for producing nanometer powders, comprising the following steps: (a) providing reactant solution A and reactant solution B that can rapidly react to form...
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7204971 |
Shaped microcomponents via reactive conversion of biologically-derived microtemplates
The present invention is focused on a revolutionary, low-cost (highly-scaleable) approach for the mass production of three-dimensional microcomponents: the biological reproduction of...
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7172741 |
Method for reprocessing spent nuclear fuel
It is an object to increase a reprocessing speed of spent nuclear fuel and to obtain uranium having a high purity and a plutonium mixture reusable as it is at a low cost through a simple procedure....
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7160525 |
Monodisperse noble metal nanocrystals
Nanoparticle compositions of noble metals, and methods of making them, are described. The nanoparticle compositions are made by reacting a salt or complex of a noble metal, such as Au, Ag, Cu or...
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7128840 |
Ultrasound enhanced process for extracting metal species in supercritical fluids
Improved methods for the extraction or dissolution of metals, metalloids or their oxides, especially lanthanides, actinides, uranium or their oxides, into supercritical solvents containing an...
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7067104 |
Shaped microcomponent via reactive conversion of biologically-derived microtemplates
The present invention is focused on a revolutionary, low-cost (highly-scaleable) approach for the mass production of three-dimensional microcomponents: the biological reproduction of...
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6911570 |
Method for fixating sludges and soils contaminated with mercury and other heavy metals
The invention relates to a method, composition and apparatus for stabilizing mercury and other heavy metals present in a particulate material such that the metals will not leach from the...
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6855301 |
Synthesis method for producing carbon clusters and structured carbon clusters produced thereby
The present invention includes carbon synthesis devices and systems. The invention also includes machines and instruments using those aspects of the invention. The present invention also includes...
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6733559 |
Method of reducing the availability of heavy metals in plants and the use of cross linked poly(meth)acrylates in said method
A process for reducing plant availability of heavy metals in substrates such as soils wherein the substrates treated with cross-linked polymethacrylates. The poly (meth)acrylates can be worked into...
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6645444 |
Metal nanocrystals and synthesis thereof
A process for forming metal nanocrystals involves complexing a metal ion and an organic ligand in a solvent and introducing a reducing agent to reduce a plurality of metal ions to form the metal...
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6641641 |
Method for producing metal or metal compound comprising process of treating with fluorine and adjusted raw material used therein
An object of the present invention is to provide a method for preventing concentration of a radioactive substance in a generated extraction residue in a method of producing tantalum, niobium, or a...
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6582669 |
Method for producing ceramic powders utilizing gas-displacing or gas-generating additives
A method is described for producing a ceramic powder, in which at least one ceramic base powder or ceramic slurry is subject to a heat treatment for generating an intermediate product from which...
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6500395 |
Method for removing metals from air pollution control residues
A method for the treatment of air pollution control (APC) residues comprising the steps of washing the residues at least one time in an alkaline solution maintained at a pH not lower than about...
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6482371 |
Process for separation of heavy metals and halogen from waste material or residue
A process for the separation of heavy metal and halogen from unwanted waste material or residue. Halogen is selectively extracted or washed out from the waste material. Metal is selectively...
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6461581 |
Clathrate compounds and manufacturing method thereof
The present invention provides a clathrate compound which can be used as a thermoelectric material, a hard material, or a semiconductor material. Silicon or carbon are formed into a clathrate...
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6451273 |
Method of producing an active mineral liquid from granite
A method of extracting active mineral liquid from a rock such as granite is described. This method comprises charging an extraction vessel with finely divided granite at ambient temperature and...
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6409978 |
Method of removing impurities from mineral concentrates
A process for removing impurities contained in the crystal lattice of minerals, comprising the steps of forming a mixture of a mineral capable of structurally reorganizing its crystal lattice which...
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6379919 |
Method for isolating thiocyanate resistant bacteria
The present invention relates to microbiological processes for the oxidative treatment of refractory gold and base metal ores and concentrates, and specifically, to bacterial inoculums for use in...
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6342189 |
Method for total precipitation of valuable metals from an acid leaching solution
A method for the total precipitation of valuable metals, such as copper, nickel, zinc, cobalt, etc., from a leaching solution that has been acidified with sulphuric acid and that is substantially...
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6203768 |
Process for the production of ultrafine particles
A new, cost effective process for the production of ultrafine particles which is based on mechanically activated chemical reaction of a metal compound with a suitable reagent. The process involves...
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6193941 |
Process for producing a metallurgical raw material from oil containing heavy metals
Besides a synthesis gas, a metallurgical raw material is to be produced from an oil containing heavy metals. To do this, the oil is partially oxidized and the heavy metal-containing soot is...
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5993756 |
Sodium tungstate preparation process
A method for the preparation of sodium tungstate by the oxidation of hard metal scrap and/or heavy metal scrap in a molten salt mixture of hydroxide and sodium sulfate.
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5907037 |
Cellulosic ion-exchange medium, and method of making and using the same
A cellulosic cationic ion-exchange composition is formed by sulfonation of activated cellulose having of high surface area characteristics, using an acid such as concentrated H2 SO4. The sulfonated...
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5744107 |
Process for removing heavy metals from soil
Heavy metals are efficiently removed from contaminated soil by a process which comprises leaching or washing the soil with a mild leachant solution. The leachant solution is comprised of an aqueous...
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