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Matches 201 - 250 out of 8,152

Document Document Title
WO/2015/081372A3
A method of agglomerating mined ore for use in a heap leaching process includes exposing ore fragments to electromagnetic radiation and causing fractures to form in the fragments and thereafter agglomerating fragments.  
WO/2015/082767A1
The invention relates to a method and to a steam heat exchanger arrangement (2) for thermal control of the content in a vessel space (3) of a vessel (1) such as a hydrometallurgical reactor. The steam heat exchanger arrangement (2) compr...  
WO/2015/075798A1
 Provided is a method for separating elements and an element separation system in which the amount of waste liquid can be reduced without compromising the capability to separate the target elements. This element separation method is pr...  
WO/2015/076526A1
The present invention relates to complex copper ore beneficiation method. The complex copper ore beneficiation method according to the present invention comprises: a particle-size separation step which is carried out on a copper complex ...  
WO/2015/075317A1
The present invention relates to a method for recovering rare earth metals from waste sulphate materials, such as waste gypsum, which is a known secondary resource of rare earth metals and widely present e.g. in areas, where industrial p...  
WO/2015/076911A3
The present invention provides a redox mediated polymer composition for the selective sequestration and separation of multivalent metal ions comprising: 2 or more monomers polymerized to form a polymeric thiophene backbone, wherein each ...  
WO/2015/075502A1
The invention relates to a bacterial strain, Cutipay, isolated from the species Sulfobacillus thermosulfidooxidans, deposited in the DSMZ (under the denomination DSM 27601 on the 29th of July 2013). This strain is useful in bioleaching p...  
WO/2015/075311A1
The invention relates to a method and an arrangement for recovering valuable metals by direct leaching of coarse material, such as material obtained from granulation of a molten metal, matte or slag.  
WO/2015/071546A1
A method of recovering copper and cobalt, wherein the method comprises leaching the starting material to obtain a leach slurry comprising copper, cobalt, iron and aluminium, extracting in a first extraction step a first part of copper, a...  
WO/2015/071848A1
The invention concerns a method for selectively recovering rare earths, nickel, cobalt, manganese and iron contained in a nickel-metal hydride battery. The method for selectively recovering rare earths, nickel, cobalt, manganese and iron...  
WO/2015/071547A1
The invention relates to a method and an arrangement for separating nickel and cobalt by oxime extraction from an aluminium- and iron-fee leach solution obtained from acidic nickel laterite leach. The process is performed at a pH in the ...  
WO/2015/067689A1
The invention relates to the use of an organic-inorganic hybrid material, including an inorganic solid support on which are grafted the organic molecules having general formula (I), where: x, y and z = 0 or 1, with at least one of x, y a...  
WO/2015/061836A1
A process to recover a target metal from hydrometallurgical solutions comprising the method steps of: i. Adding a calcium based neutralising agent such as lime or limestone to a solution containing aluminium sulphate at moderate temperat...  
WO/2015/058239A1
Disclosed herein, is a process for recovering- valuable metals and/or their oxides from red mud bauxite residues or similar. The process comprises: calcining a red mud residue having a pH of less than about 10 to provide a calcinated red...  
WO/2015/058257A1
ABSTRACT A method for treating a mineral composition containing iron, arsenic or other Group VA compounds comprises milling the mineral composition to a particle size of P80 of less than 25 µm and leaching the mineral composition in the...  
WO/2015/060367A1
A separating agent which can selectively separate and recover platinum group metal ions from a solution containing multiple kinds of metal ions, and a separation method of platinum group metal ions are provided. This platinum group metal...  
WO/2015/056159A1
Liquid treatment apparatus comprises at least two chambers being first and second chambers through which a fluid can flow. The two chambers are separated by at least one choke nozzle which has an entrance in the first chamber and an exit...  
WO/2015/051585A1
A wet-method in an atmospheric oxidation method for cerium in a rare earth hydroxide comprises: (1) preparing rare earth hydroxide mixed slurry with an REO concentration of 10 to 100g/L; (2) adjusting the alkalinity of the rare earth hyd...  
WO/2015/049421A1
The invention relates to a method and an apparatus for separating precious metals, especially platinum group metals and gold and silver,and optionally base metals from a starting material containing the same by a combination of pressure ...  
WO/2015/049959A1
The present invention provides a method for efficiently producing composite noble metal nanoparticles by means of a process that is low-energy, has a low environmental impact, and is simple. The method for producing composite noble metal...  
WO/2015/042692A1
There is provided a process for preparing alumina. The process comprise leaching an aluminum-containing material (for example an industrial waste product chosen from red mud, fly ashes and a mixture thereof), with HCl so as to obtain a l...  
WO/2015/044353A1
The present invention relates to a process for the selective and ecoefficient recovery of lead and silver jointly as a concentrate product from hydrometallurgical residues.  
WO/2015/048731A1
A metal sequestering material can be contacted with a reaction mixture of a metal- catalyzed reaction to remove transition metals or transition metal complexes. The reaction mixture contains transition metals and a reaction product in so...  
WO/2015/041064A1
Provided is a production method in which iron oxide (hematite) having a sulfur content that is low enough to make it possible to use said iron oxide as a starting material for iron production is purified from a leaching residue containin...  
WO/2015/039177A1
In accordance with the present invention there is provided a method for leaching zinc from a carbonate-hosted ore, the method comprising the method steps of: applying an aqueous solution of a curing agent to the carbonate-hoste ore, prod...  
WO/2015/040045A1
The invention relates to a method for recovering and/or for separating and/or for purifying rare earths (32). According to the invention, carrier-free continuous electrophoresis is carried out on a starting sample (30) of the rare earths...  
WO/2015/032393A4
The invention relates to a method for utilizing rare earth boride- (ceramics, magnets) containing wastes, wherein a.) the waste materials are mixed with a reaction solution composed of water, 1 to 50% by weight of organosulfonic acid and...  
WO/2015/032393A1
The invention relates to a method for utilizing rare earth boride- (ceramics, magnets) containing wastes, wherein a.) the waste materials are mixed with a reaction solution composed of water, 1 to 50% by weight of organosulfonic acid and...  
WO/2015/031943A1
A process for recovery of metal comprising copper and/or a precious metal from a metal containing material, including the steps of: leaching the metal containing material with an alkaline lixiviant and an amino acid or derivative thereof...  
WO/2015/035404A1
The present invention provides a polymeric extractant with pendant chelator groups for selective sequestration of actinides and/or lanthanides comprising: a first block polymer comprising one or more CMPO monomers each having a first bac...  
WO/2015/027888A1
Disclosed are a nickel hydroxide and preparation method thereof, the method comprising: (a) contacting first nickel hydroxide slurry and sodium hydroxide to obtain alkaline slurry; (b) contacting the alkaline slurry and a solution contai...  
WO/2015/030243A1
This invention pertains to the following: a recovery composition that contains ruthenium, iridium, and iron, with the ruthenium content and the iridium content satisfying relation (1); and a method in which said composition is used to re...  
WO/2015/030257A1
A recovery method for tin mineral includes adding hydrofluoric acid to tailings separated from tin ore, and flotation-concentrating the tailings after the adding of the hydrofluoric acid.  
WO/2015/025558A1
The purpose of the present invention is to collect scandium from an acidic solution containing calcium, magnesium and scandium with high efficiency and in a selective manner. In the present invention, an acidic solution containing calciu...  
WO/2015/024135A1
An electrodialytic acid regeneration apparatus includes two electrodes and a stack of electrodialysis chambers arranged between the electrodes. Immediately adjacent chambers are separated from each other by alternating anion exchange mem...  
WO/2015/026061A1
Disclosed is an integrated electrolysis leaching device for leaching a refractory rare metal. The integrated electrolysis leaching device for leaching a refractory rare metal is characterized by comprising: a reactor containing an electr...  
WO/2015/021926A1
Provided are a method for processing a laterite-nickel ore and a method for recycling scandium. The method for recycling scandium comprises: performing scandium extraction processing on scandium containing lixivium by using an organic ex...  
WO/2015/022843A1
Provided is a rare earth extracting agent which can extract a rare earth selectively even in a low pH range. The rare earth extracting agent according to the present invention comprises a diketone and a neutral extracting agent. The dike...  
WO/2015/020121A1
 The present invention selectively and inexpensively recovers liquid-borne metal ions. This metal ion recovery device (1) uses a selective transmission membrane (10) that selectively allows the transmission of Li, and mesh-form negativ...  
WO/2015/019434A1
An apparatus for separating and recovering multiple kinds of rare earth elements, the apparatus being provided with: a first heating furnace for chlorinating a rare earth feedstock containing multiple kinds of rare earth elements; a seco...  
WO/2015/019433A1
An apparatus for separating and recovering multiple kinds of rare earth elements, the apparatus being provided with: a mixing and pulverizing section for mixing a rare earth feedstock containing multiple kinds of rare earth elements with...  
WO/2015/016102A1
Provided are an adsorption filter that can absorb and recover metal ions and the like efficiently and a method for manufacturing the same. The adsorption filter is constituted of graft copolymer particles into which an adsorption group h...  
WO/2015/016103A1
Provided are: an adsorbent material able to efficiently adsorb an adsorption subject such as a metal ion; and a method for producing such an adsorbent material. The adsorbent material is such that an ethylene-vinyl alcohol copolymer is t...  
WO/2015/010667A1
The solution according to invention consists in a plasma-chemical method for dissolving bulk Iridium metal and/or Iridium alloy in hydrochloric acid, comprising following steps a) providing an electrolytic cell divided into the compartme...  
WO/2015/013147A1
The invention provides methods, compositions, and apparatuses for preventing the formation of scale in heap leach process solution distribution systems comprised of piping, spray nozzels, or emitter tubes. Solution distribution system co...  
WO/2015/008168A3
The present application offers a solution to the current problems associated with recovery and recycling of precious metals such as gold and copper from scrap material, discarded articles, and other items. The solution is premised on a m...  
WO/2015/009254A2
The present invention relates to a process for recovering nickel, cobalt and scandium from refractory lateritic nickel ores, wherein in this process, lateritic nickel ores are subjected to high pressure acid leaching process with sulphur...  
WO/2015/009254A3
The present invention relates to a process for recovering nickel, cobalt and scandium from refractory lateritic nickel ores, wherein in this process, lateritic nickel ores are subjected to high pressure acid leaching process with sulphur...  
WO/2015/009204A3
The invention relates to hydrometallurgy, particularly to the process of extraction of nickel, cobalt, and other metals from laterite ores. The process of extraction of nickel, cobalt and other metals from laterite ores includes leaching...  
WO/2015/006850A1
A method for recovering precious metal from an acidic pregnant solution resulting from halogen or hypohalite leaching of an ore, comprising lowering the ORP of the pregnant leachate with a reducing agent in the presence of slurried non-c...  

Matches 201 - 250 out of 8,152