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Matches 51 - 100 out of 8,032

Document Document Title
WO/2016/017032A1
This method for manufacturing a concentrate comprises: a first mixed water generation step (S1) for generating first mixed water which is a mixture of first water and powdery ore; a first separation step (S2) for separating the first mix...  
WO/2016/011549A1
The invention provides processes that significantly reduce acid consumption while maintaining efficient leach recovery of copper from oxide and acid consuming ores. The invention provides a hydrometallurgical process that reduces acid re...  
WO/2016/011540A1
The invention provides hydrometallurgical processes for the recovery of rare earth values from ore, using simple crushing without beneficiation to produce an enriched and purified mixed rare earth concentrate. Ore is crushed to a relativ...  
WO/2016/012413A1
A method for treating a solid substrate comprising a support comprising, preferably consisting of, at least one oxide chosen from the oxides of a first metal chosen from the rare earths, the mixed oxides of a first metal chosen from the ...  
WO/2016/008932A1
The present invention relates to a process for separating palladium from the other metal elements contained in a nitric aqueous phase consisting in bringing a nitric aqueous phase containing, in addition to the palladium, at least one ot...  
WO/2016/008728A1
The invention relates to a process for separating rare earth metal ions from a liquid solvent, several rare earth metals being present in the solvent and a rare earth metal ion being oxidized to a tetravalent state or a rare earth metal ...  
WO/2016/008056A1
The present description relates to a process for producing magnesium metal from magnesium-bearing ores using serpentine. The process described herein consists generally in a mineral preparation and classification followed by leaching wit...  
WO/2016/004458A1
Disclosed is a method for extracting precious metal ions from a precious metal ion laden aqueous phase having a concentration of greater than 0.1 g/L of one or more precious metal ions. The method comprises contacting the precious metal ...  
WO/2016/007022A1
The invention relates to a process for extracting metals and salts from titanium-bearing minerals such as perovskite. More particularly, although not exclusively, the invention relates to extracting titanium dioxide and optionally other ...  
WO/2016/007020A1
The invention relates to a process for extracting metals and salts from titanium-bearing minerals such as perovskite. More particularly, although not exclusively, the invention relates to extracting titanium dioxide and optionally other ...  
WO/2016/007021A1
The invention relates to a process for extracting metals and salts from titanium-bearing minerals such as perovskite. More particularly, although not exclusively, the invention relates to extracting titanium dioxide and optionally other ...  
WO/2016/001479A1
The present invention describes a fermentation process aiming to clean lignite (Figure 1 ), with the purpose of improving the usability of lignite in energy production from the viewpoint of environmental protection, process technology, a...  
WO/2016/000231A1
A method for processing a zinc oxychloride-containing secondary material comprises the following steps: 1) leaching a zinc oxychloride-containing secondary material I by using an acid solution; 2) selectively extracting zinc by using a P...  
WO/2015/199098A1
 A method for processing copper-containing molybdenum ore including: a step for bringing a 50-100°C acidic aqueous solution into contact with copper-containing molybdenum ore while supplying an oxygen-containing gas to the acidic aque...  
WO/2015/199814A1
Described herein are systems and methods for producing a hardwearing or wear-resistant material. In one aspect, a first group of materials comprising zirconium dioxide (ZrO2), aluminum oxide (AI2O3), and one or both of calcium oxide (CaO...  
WO/2015/199224A1
 Provided is a system for efficiently recovering trace metal from a large amount of a raw material, such as when trace metal is recovered from nickel oxide ore. This ion exchange resin has, on a carrier, an amide derivative represented...  
WO/2015/193515A1
The present invention relates to a method for processing a noble metal-containing composition which contains an inorganic material and one or more noble metals selected from the group consisting of palladium (Pd), platinum (Pt), rhodium ...  
WO/2015/193828A1
A process for the beneficiation of Manganese ore which includes the step of leaching of the ore with acid to remove Calcium Carbonate and Magnesium Carbonate. The ore is first broken down to the required particle size by conventional mea...  
WO/2015/196220A3
A method of recovering a metal from a low-grade ore which is subjected to cyanide leaching to produce a PLS which contains a metal cyanide which is removed from the PLS by ultrafiltration and nano-filtration, and then acidified and sulph...  
WO/2015/193314A1
The invention relates to a method for extracting tantalum and/or niobium from an acidic aqueous phase. Said method includes at least one step that includes putting the aqueous phase A1 in contact with an organic phase, then separating th...  
WO/2015/195393A1
The present disclosure relates generally to systems and methods for purifying and recycling the lead content from lead-acid batteries. A system (40) includes a reactor (56) that receives and mixes a lead-bearing material (54), a carboxyl...  
WO/2015/195398A1
The present disclosure relates to systems and methods by which lead from spent lead-acid batteries may be extracted, purified, and used in the production of new lead-acid batteries. Such a system may include a first phase separation devi...  
WO/2015/192234A1
Hydrometallurgical techniques for the selective recovery of Zn, Mn and Pb in that order from sludges or various metallurgical residues can include leaching steps to extract the zinc and manganese; the steps of removing iron, aluminum and...  
WO/2015/195396A1
The present disclosure relates to methods by which lead, such as lead from spent lead-acid batteries, may be recycled and potentially used in the construction of new lead-acid batteries. Such a method may include: (A) forming a mixture i...  
WO/2015/195454A1
The present disclosure relates generally to recycling lead-acid batteries, and more specifically, relates to purifying and recycling the lead content from lead-acid batteries. A lead recovery system (40) may include a first reactor (58) ...  
WO/2015/194980A2
The invention relates to a method of hydrometallurgical separation of iron and its compounds from non-ferrous metals and their compounds in which the sludge is leached in an alkalised solution while being exposed to an alternating or dir...  
WO/2015/194980A3
The invention relates to a method of hydrometallurgical separation of iron and its compounds from non-ferrous metals and their compounds in which the sludge is leached in an alkalised solution while being exposed to an alternating or dir...  
WO/2015/195397A1
The present disclosure relates to systems and methods by which lead from spent lead-acid batteries may be extracted, purified, and used in the construction of new lead-acid batteries. A method (10) comprises the step of: (14) forming a f...  
WO/2015/189474A1
A method for controlling gas circulation in a mineral flotation process in a system comprising one or more flotation cell unit(s) with an apparatus comprising a gas recirculation loop, a flushing system comprising an expulsion line (81) ...  
WO/2015/189473A1
The present invention provides a method for controlling gas circulation in mineral flotation with an apparatus comprising a gas recirculation loop, at least one flushing flotation cell unit and one or more sealed flotation cell units, co...  
WO/2015/192000A1
A vertical drainage system for a heap leaching operation comprising vertical drainage conduits for draining fluid pockets down through the strata of a heap pile. The drainage conduits are spaced in. a parallel array throughout the ore he...  
WO/2015/185729A1
The invention relates to a method for the lagoon-based bioleaching of a metallic ore (1), wherein the temperature of the suspension containing the metallic ore to be bioleached, a bioleaching consortium and a nutritive substrate (3) of t...  
WO/2015/185803A1
The present invention provides a method of extracting gold from pregnant leach solution (PLS) obtained from leaching of gold, comprising the steps of: (a) extracting the PLS with an organic extractant comprising an organic diester and an...  
WO/2015/185804A1
The present invention according provides a method of recovering silver from silver containing halide solutions, comprising the steps of:(a) providing an ion exchange column comprising a weak anion exchange resin; (b) introducing the silv...  
WO/2015/179973A1
It is described a process for extracting aluminum from aluminum-bearing materials comprising the steps of leaching the aluminum-bearing material with HCl to obtain aluminum chloride; separating and purifying the aluminum chloride; provid...  
WO/2015/179900A1
In accordance with the present invention there is provided a method for leaching copper from a oxidised copper ore, wherein at least 5% of the copper present in the oxidised copper ore is an oxidised copper compound, the method comprisin...  
WO/2015/180224A1
A process for efficiently enriching and recovering the precious metals platinum and palladium based on a solvent extraction method, wherein isoamylol is used as an extraction agent and 2-methoxyphenyl thiourea is used as an extracting an...  
WO/2015/181446A1
The present invention provides a method of separating precious metals from anode sludge obtained from copper electrolysis, comprising (a) leaching the anode sludge in an aqueous sulfuric acid solution to remove leachable chlorides and to...  
WO/2015/181038A1
The invention relates to a method for processing metallized packaging materials, in particular beverage cartons or blister packs. According to the invention, acid is used to dissolve the aluminum and separate same from the plastic materi...  
WO/2015/176166A1
There are provided processes for decomposing AlCl3•6H2O into γ-Al2O3 that comprise heating the AlCl3•6H2O at a temperature of about 600°C to about 800°C in the presence of steam and optionally at least one gas (for example chosen ...  
WO/2015/177225A1
The invention relates to a method and to a technical process for treating solids and liquids with the objective to clean the same, and to recover valuable materials such as metals, for example, therefrom. Potential starting materials are...  
WO/2015/178752A1
The invention relates to a hydrometallurgical process for the treatment of polymetallic minerals and sulphur concentrates of copper and zinc, and by-products from lead smelting plants and zinc plants, treated independently and/or as mixt...  
WO/2015/174103A1
Provided are: a sulphuric acid acidic solution neutralisation method by which the pH of a neutralised solution can be stabilised; and a nickel oxide ore hydrometallurgical method. The present invention comprises: a sulphuric acid leachin...  
WO/2015/172241A1
A process for the extraction of copper from a feed material comprising at least one of arsenic and antimony-bearing copper sulphide minerals is provided. The process includes fine-grinding the feed material and after fine-grinding, subje...  
WO/2015/172175A1
A method for extracting gold from an acidic solution that includes a gold containing anion and a counter-cation including: contacting the acidic solution with a polymer inclusion membrane to remove the gold containing anion and the count...  
WO/2015/175251A1
A process is provided in which a silver- and base metal-containing material is contacted with an aqueous solution comprising an alkali and/or alkaline earth metal halide and an oxidant at a solution pH of at least about pH 6 to dissolve ...  
WO/2015/171010A1
The invention relates to a process for the extraction of gold and silver from ores and mining by-products. The process according to invention consists in treating ores and mining residues having a content of 0.5... 12 ppm Au with a solut...  
WO/2015/163132A1
[Problem] To provide: a metal collection method and a metal collection system, whereby it becomes possible to collect a metal from a liquid metal waste with high efficiency and at low cost; and a solution regeneration method and a soluti...  
WO/2015/161659A1
A method for simultaneously preparing high-purity vanadium and a heteropolyacid catalyst. A heteropolyacid in a vanadium-containing solution is extracted using magnetic nanoparticles grafted with an extracting agent. Utilising the magnet...  
WO/2015/161660A1
A method for recycling and preparing low-silicon high-purity vanadium pentoxide (V2O5) from a mixed solution containing vanadium, chromium and silicon. The method comprises the following steps: firstly, silicon is removed from a solution...  

Matches 51 - 100 out of 8,032