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9028587 Gallium-68 purification  
A method is described for obtaining purified 68Ga. The method comprises eluting 68Ga from a sorbent in and/or on which are sorbed 68Ga and 68Ge, so as to generate a crude 68Ga solution. The...
8992665 Metal recovery method and dialysis device  
Provided is a valuable-metal recovery method for recovering metals from lithium ion batteries using comparatively simple equipment and without using a cumbersome process. In said method, a...
8986424 Rhenium recovery  
Method for rhenium recovery from copper solvent extraction solution. It is determined whether the copper solvent extraction solution contains trace amounts of rhenium. If so, a feedstock from the...
8969606 Calcination and reduction process including a fluidizing bed reactor  
These disclosures relate to preparing nickel metal (Ni(0)) suited for use in catalyst systems, such as nickel complexes with phosphorus-containing ligands, useful to catalyze the hydrocyanation of...
8951332 Method for collecting Co from urban ore  
Urban ore is a mixture of a lot of metallic elements, and these metallic elements need to be separately collected therefrom. However, because the content of each metallic element is very small, it...
8926730 Method for recovering gold by solvent extraction  
The invention relates to a method for recovering gold by solvent extraction from an acidic chloride-containing aqueous solution or from slurry containing gold-bearing solids using a diester-based...
8900342 Process for separating copper and/or nickel from cobalt containing solutions  
The present invention relates to a process for the recovery of cobalt comprising: (i) providing a high tenor cobalt solution wherein the high tenor cobalt solution comprises cobalt and nickel;...
8888891 Metal recovery method using protonemata of moss plants  
Disclosed is a method for recovery of a metal using plants. The method for recovery of a metal involves bringing a protonema of a moss plant belonging to the family Funariaceae into contact with a...
8852317 Method for recovering tantalum  
The present invention provides a technology for recovering high-content tantalum from tantalum-containing waste with reducing various impurities such as antimony (Sb) and phosphorus (P) which...
8815151 Metal ion catalysis of metal ion reduction, methods, compositions, and articles  
Nanowire preparation methods, compositions, and articles are disclosed. Such methods which reduce metal ions to metal nanowires in the presence complexes comprising metal-metal bonds, are capable...
8764880 Phosphinic acids and their sulfur derivatives and methods for their preparation  
The present invention provides phosphinic acids and their sulfur derivatives, in accordance with the following formula (I): wherein R1 and R2 are different and each of R1 and R2 is independently...
8728198 Metals recovery from mining heap leach ore  
A method of recovering metal from heap leached ore is provided. The method includes supplying process fluid to a tank, distributing heap leached ore in the tank, optionally disrupting the flow of...
8702838 Method for recovering metal, and reagent and kit for recovery of metal for use in the same  
A method for recovering a metal, capable of recovering a metal easily without requiring the use of an organic medium, is provided. A complex between a chelating agent and a metal present in a...
8696788 Process for the Recovery of AB5 Alloy from Used Nickel/Metal Hydride Batteries  
There is provided a process for recovering AB5 alloy from spent nickel hydride storage batteries and/or their cells without thermal melting or dissolving the AB5 alloy. The process comprises a...
8623115 Alkaline and acid pressure oxidation of precious metal-containing materials  
The present invention is directed to a precious metal recovery process in which an acid sulfidic feed material is subjected to acid pressure oxidation and an alkaline sulfidic feed material is...
8613888 Nanowire preparation methods, compositions, and articles  
Nanowire preparation methods, compositions, and articles are disclosed. Such nanowires may be thicker than other nanowires and may be useful in devices requiring high electrical current densities.
8609898 Separation reagent of platinum group metal, method for separating and recovering platinum group metal, and amide-containing tertiary amine compound  
The present invention provides a novel separation reagent capable of obtaining a high extraction % of rhodium in a chlorine-based acid solution, which has never existed heretofore, and a method...
8500846 Rare metal extractant  
The present invention is to provide a novel rare metal extractant containing a cyclic phenol sulfide derivative of the formula (1) and a method for extractive separation of rare metal(s) using the...
8491700 Methods and systems for recovering rhenium from a copper leach  
Various embodiments provide new methods of rhenium recovery. The methods can include subjecting a metal-bearing solution to an activated carbon bed, and adsorbing rhenium onto the activated...
8486355 Method for leaching cobalt from oxidised cobalt ores  
A method for leaching cobalt from a non-lateritic oxidized cobalt ore, the method comprising the method steps of: curing the non-lateritic oxidized cobalt ore to be leached through the application...
8486310 Composition containing fine silver particles, production method thereof, method for producing fine silver particles, and paste having fine silver particles  
A composition containing fine silver particles which have a uniform particle size, can form a fine drawing pattern, and have a small environmental impact, a method for producing that composition,...
8444744 Method for separating and recovering nickel and lithium  
A method for extracting nickel and lithium includes solvent extraction step of using three or more extraction stages to subject a solution containing lithium and nickel to solvent extraction with...
8388725 Apparatus and method for manufacturing metal nanoparticles  
The present invention relates to an apparatus and a method of manufacturing metal nanoparticles, and more particularly to an apparatus including: a precursor supplying part which supplies a...
8382880 Method for solubilizing molybdenum oxide concentrates  
A process for digesting molybdenum oxide concentrates includes suspending a molybdenum-containing starting material in an aqueous solution so as to obtain a suspension. While stirring, an...
8377165 Recovery of elements from hydrothermal products  
The invention generally relates to the extraction of rare earth elements and heavy metals from geothermal fluids used in geothermal electrical production. The invention provides systems and...
8361192 Methods and systems for recovering rhenium from a copper leach  
Various embodiments provide new methods of rhenium recovery. The methods can include subjecting a metal-bearing solution to an activated carbon bed, and adsorbing rhenium onto the activated...
8262770 Process for controlling acid in sulfide pressure oxidation processes  
The present invention is directed to flotation of refractory gold sulfide ores and to pressure oxidized residue neutralization using flotation tailings that have been contacted with an off gas of...
8252085 Process for the recovery of metals from used nickel/metal hydride batteries  
The invention relates to the purification of recovered AB5 alloy which is obtained from spent nickel/metal hydride storage batteries by the selective removal of any Ni(OH)2 and the recovery of...
8246717 Process for the recovery of metals from used nickel/metal hydride batteries  
The present invention provides a process of recovering AB5 and/or AB2 as well as other metals from spent nickel metal hydride batteries from a slury by a series of separation steps utilizing the...
8152896 Separation of fine particle precious metals from clays and other gangue materials through application of diluted solution of a silicon chemical  
The present invention generally relates to a formulation created by reacting sodium hydroxide, water, and silicon metal which has unique properties and many uses. The present invention further...
8114189 Method for treating iron in a silver recovery process  
A method of reducing or preventing the amount of iron sludge or precipitate that forms as a result of the recovery of silver from chemical solutions, such as a standard photographic solution. The...
8070850 Process for liberating metals using direct production of leach grade acid solutions  
A system which uses available waste acid process streams from hydrometallurgical extraction processes as absorption media for the direct production of leach grade acid solutions for return to the...
8071156 Endoprostheses  
A hydrophilic ceramic coating is formed on an endoprosthesis preform. The hydrophilic ceramic coating is porous and can store nano-sized drug particles.
8021461 Remedial heap treatment  
A system and method are disclosed for improving component extraction from heap leach operations. Following heap leaching for some time, portions of the heap deficient in component extraction are...
7922788 Process for recovering gold and silver from refractory ores  
The present invention is directed to flotation of refractory gold sulfide ores in which the ore is ground, floated, the tailings reground, and refloated to produce gold-bearing concentrates.
7871454 Chemical process for recovery of metals contained in industrial steelworks waste  
This invention provides chemical processes for the treatment of industrial steelworks waste, especially those from an electric arc furnace, called “flue dust,” to allow for the subsequent recovery...
7867317 Pre-treatment process for liberation of metals from waste printed circuit boards using organic solution  
A method for recovering valuable metals contained in printed circuit boards of waste electronic machine, and more particularly, a method for liberating metal and plastic laminated in waste printed...
7727500 Process for producing metal peroxide films  
Disclosed are adhesive coating compositions containing a metal peroxide for producing clear colorless adhesive coatings on substrates, particularly micro particulate substrates. In one preferred...
7686865 Method and system for recovering metal from metal-containing materials  
Embodiments of a method and a system for recovering a metal, such as uranium, from a metal-containing material are disclosed. The metal-containing material is exposed to an extractant containing a...
7686866 Recovery of copper from chalcopyrite  
A process for recovering copper from chalcopyrite is disclosed. The process includes oxidising sulphur in chalcopyrite with a solution under predetermined contact conditions and thereby releasing...
7682420 Method for leaching gold  
In a method for leaching gold from copper sulfides, the sulfide ores are first subjected to leaching of copper, thereby producing a leaching residue having 7.9% or less of the copper content. This...
7658995 Nickel powder comprising sulfur and carbon, and production method therefor  
A nickel powder exhibits superior oxidation behavior, reduction behavior and sintering behavior in a production process for a multilayer ceramic capacitor and is suitable for the capacitor; a...
7572418 Process to obtain titanium concentrates with high contents of TiO2 and low contents of radionuclide elements from anatase mechanical concentrates  
A process for production of titanium concentrate with low contents of radionuclide elements from anatase mechanical concentrates. The process involves calcination in air and reduction with...
7559970 Method for producing metal nanoparticles and metal nanoparticles produced thereby  
The present invention relates to a method for producing metal nanoparticles and metal nanoparticles produced thereby, in particular, to a method for producing metal nanoparticles used for inkjet...
7501380 Compositions for the absorption of dissolved metals  
A blended composition of hydrogel polymer granules capable of selectively removing toxic dissolved metal species from water containing abundant innocuous species, and spacer particles which...
7268273 Recovering metals from soil  
The invention relates to recovering metals, such as nickel and cobalt, by phytomining or phytoextracting soils rich in metals wherein the desired metal is selectively accumulated in...
7214516 Bacterial effects on metal accumulation by plants  
The invention includes methods for (1) extracting metals from soil by the use of plants that extract and accumulate the metal and adding bacteria to the soil that enhances the ability of the...
7163570 Chromatographic method of separating ruthenium from platinum group metals  
A chromatographic separation method separates ruthenium from other platinum group metals in a feed solution, by converting the Ru to a nitrosyl complex, retaining the nitrosyl complex temporarily...
7078122 High efficiency process for treating mixed metal waste  
A process for rendering hazardous materials present in multi-element waste non-hazardous, and for recovering valuable components of said waste, particularly metals, comprising contacting the waste...
7069690 Compositions and methods for removing pollutants from contaminated wafer with a fern plant  
Processes and materials for phytoremediating water-containing sites which have been contaminated with pollutants such as arsenic, phosphorous, or other metals. Fern plants can be used to...

Matches 1 - 50 out of 158 1 2 3 4 >