|
Match
|
Document |
Document Title |
|
|
7585474 |
Ternary oxide nanostructures and methods of making same
A single crystalline ternary nanostructure having the formula A x B y O z , 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...
|
|
|
7575629 |
Pollutant emission control sorbents and methods of manufacture
Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
7318899 |
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,...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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....
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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.
|
|
|
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 H 2 SO 4 . The...
|
|
|
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...
|
|
|
5660774 |
Process for making a sintered body from ultra-fine superconductive particles
A process for producing a sintered body from untra-fine superconductive particles. In the first step of this process, a ceramic precursor material containing yttrium, barium and copper cations, a...
|
|
|
5622628 |
Titanium dioxide slurries concentration
A novel method for the production of titanium dioxide slurries having a high solids content comprises subjecting an aqueous slurry of titanium dioxide to cross-flow filtration to produce a slurry...
|
|
|
5490976 |
Continuous ore reaction process by fluidizing
In a continuous process for reacting particulate ore with a liquid reagent in a counter-current vertical column the improvement comprising: (a) providing an upper and lower chamber for the...
|
|
|
5472675 |
Polyvinyl alcohol agglomeration agents for mineral bearings ores
An agglomerating agent for use in the heap leaching of mineral bearing ores is disclosed. The agglomerating agent is a polyvinyl alcohol of moderate to high molecular weight which is partially or...
|
|
|
5468427 |
Process for making ultra-fine ceramic particles
A process for producing ultra-fine ceramic particles in which droplets are formed from a ceramic precursor mixture containing a metal cation, a nitrogen-containing fuel, a solvent, and an anion...
|
|
|
5405588 |
Process for removing cadmium from scrap metal
A process for the recovery of a metal, in particular, cadmium contained in scrap, in a stable form. The process comprises the steps of mixing the cadmium-containing scrap with an ammonium carbonate...
|
|
|
5366891 |
Biochemical solubilization of toxic salts from residual geothermal brines and waste waters
A method of solubilizing metal salts such as metal sulfides in a geothermal sludge using mutant Thiobacilli selected for their ability to metabolize metal salts at high temperature is disclosed,...
|
|
|
5354688 |
Anaerobic microbial remobilization of coprecipitated metals
A process is provided for solubilizing coprecipitated metals. Metals in wastestreams are concentrated by treatment with an iron oxide coprecipitating agent. The coprecipitated metals are...
|
|
|
5334362 |
Process for the production of disposable products from metal chlorides in a titanium dioxide chloride process
In order to treat metal chlorides obtained in the form of dust collector solids in the production of titanium dioxide by the chloride process, the inert constituents, especially particulate coke,...
|
|
|
5078977 |
Cyanide recovery process
A process for removing and recovering cyanide from a cyanide-containing mixture. The process includes the steps of adjusting the pH of the cyanide-containing mixture to between about 6 to about...
|
|
|
5077020 |
Metal recovery process using waterglass
Sodium silicate (waterglass) is added to a waste process stream containing metal to form a waterglass sludge containing the metal contaminants. The waterglass sludge matrixed with the metal is...
|
|
|
5045115 |
Method for treating solid residues containing heavy metals from combustion plants
In the treatment of solid residues containing heavy metals from combustion plants, the heavy-metal compounds dissolved after washing-out and subsequently precipitated are separated from the...
|
|
|
5007589 |
Process for simultaneously leaching and fine milling a subdivided source material
A source material in the form of an ore, mineral, concentrate, calcine, or reclaimed tailings is subjected to fine milling in a stirred mill having an impeller rotatable in a grinding chamber...
|
|
|
4943377 |
Method for removing dissolved heavy metals from waste oils, industrial wastewaters, or any polar solvent
Precipitation (conversion) of dissolved heavy metals in waste effluents is achieved with the addition and mixing of a solution of sodium polythiocarbonate with a solution containing dissolved heavy...
|
|
|
4885098 |
Sonic method for facilitating the removal of solid particles from a slurry
An elastic bar member is coupled to an orbiting mass oscillator and the entire assembly is suspended from a cable or the like such that the bar member has freedom of lateral motion and is nakedly...
|