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Matches 51 - 100 out of 9,046

Document Document Title
WO/2017/201140A1
Described herein are compositions and methods for preferentially separating mercury from a metal product where both are present in an ore leachate. The separation is accomplished by adding a precipitating agent and a coagulant to an ore ...  
WO/2017/200408A1
The present invention refers to a process of extraction of lithium from ores or lithium mineral concentrates, through the combination of three unitary operations, the mechanical activation of the ore or of the concentrate, followed by th...  
WO/2017/199887A1
[Problem] To recover a rare metal. [Solution] This method is for recovering a rare metal from a chloride residue produced when refining titanium, and comprises steps of: classifying the chloride residue into coarse particles and fine par...  
WO/2017/198846A1
The present invention is in the field of surfactants to extract a platinum group metal or gold, in particular palladium, from organic compositions. In particular, the invention concerns the use of surfactants to back-extract a platinum g...  
WO/2017/193725A1
Provided are a system and method for treating a cadmium-containing solution. The system comprises: a cadmium-containing solution storage apparatus (100); a first conveying pipe (200) connected to the cadmium-containing solution storage a...  
WO/2017/195109A1
This invention belongs to the fields of chemistry and biology and, in particular, relates to a hydrometallurgical process for leaching and cementation in the production of gold with cyanide in the presence of traces of ozone and ammonia,...  
WO/2017/193726A1
A solution purification system and method. The system comprises: a solution storage apparatus (100); a first conveying pipe (200) connected to the solution storage apparatus (100); a feed pump 6 (300) connected to the first conveying pip...  
WO/2017/194269A1
The invention relates to a method for producing particulate ruthenium having a purity of ≥ 99.99 wt.% and a specific surface area of 0.2 to 0.5 m2/g, comprising the following steps: (1) providing a hydrochloric acid solution produced b...  
WO/2017/193724A1
Provided are a system and method for treating a copper-containing solution. The system comprises: a copper-containing solution storage apparatus (100); a first conveying pipe (200) connected to the copper-containing solution storage appa...  
WO/2017/195109A4
This invention belongs to the fields of chemistry and biology and, in particular, relates to a hydrometallurgical process for leaching and cementation in the production of gold with cyanide in the presence of traces of ozone and ammonia,...  
WO/2017/197417A1
A method of purifying a value metal-containing solution by dividing the solution into a major stream and, at least, two minor split streams, treating each minor split stream with a respective reagent to form a respective value-metal cont...  
WO/2017/191355A1
Present invention relates to method of removing cations from water and process arrangement for performing the method. The method comprises containing cations selected from a group consisting of Se, As, Sb, Cr, Mn, Mo, W, V, Te, P, Si com...  
WO/2017/185159A1
A process for recovering silver from silver-bearing gold concentrate or other silver-bearing material. The process comprises: (i) optionally regrinding the input silver-bearing material; (ii) optionally treating the reground gold concent...  
WO/2017/185158A1
A process for reducing arsenic content from arsenic-bearing gold concentrate or other arsenic-bearing gold materials to produce the low arsenic-bearing gold concentrate. The process comprises: (i) optionally regrinding the input arsenic-...  
WO/2017/183849A1
The present invention relates to a method for recovering an ITO powder from ITO scrap such that the particle shape of the ITO powder can be changed. According to the present invention, an aqueous solution of indium chloride and tin chlor...  
WO/2017/175525A1
[Problem] To provide a gas supply device with which it is possible to supply bubbles having a small diameter into a liquid in a stable manner. [Solution] A gas supply device 1 for supplying bubbles G into a liquid L, wherein the gas supp...  
WO/2017/175032A1
A method for recovering gold from copper anode slime is provided. The method comprises washing copper anode slime with an acid so as to obtain a slime-acid solution. The method further comprises obtaining a washed copper anode slime from...  
WO/2017/170960A1
An object of the present invention is to provide a method for recovering gold in an ore or a refining intermediate by sufficiently leaching gold in a raw material resulting from the ore or the refining intermediate in an acidic solution ...  
WO/2017/170444A1
A method for recovering a noble metal from a mixture that contains the noble metal with use of a noble metal recovering agent which contains at least one amine compound selected from among aromatic primary amine compounds and aliphatic p...  
WO/2017/162757A1
A process for recycling glass from screens deriving from the disposal of cathode-ray tube television sets with quantitative recovery of the lead in metal form, is described.  
WO/2017/162013A1
Provided are preparation and application methods for an ion blocking and controlling adsorbent. A selective oxidation is performed by adjusting pH, to achieve the purpose of only oxidizing divalent iron into trivalent iron, and the iron ...  
WO/2017/162901A1
Provided herein is a process for recovering metal(s) from calcium rich iron containing material (8), comprising (a) leaching (1) calcium one or more times from said calcium rich iron containing material (8) to obtain a calcium depleted i...  
WO/2017/157355A1
The present invention provides a method for isolation of Ac from a mixture comprising radium, actinium and thorium comprising the following steps: a) a mixture of Ra/Ac/Th is loaded onto a separation column containing an anion exchanger ...  
WO/2017/159372A1
In separating scandium and thorium from a leachate obtained by adding sulfuric acid to a nickel oxide ore containing scandium and thorium, scandium is recovered from only one system so as to simplify the process and achieve a high yield ...  
WO/2017/159745A1
This processing method for lithium ion battery scrap includes: a leaching step for leaching lithium ion battery scrap, performing solid-liquid separation on the leachate obtained as a result of the leaching, and obtaining a first separat...  
WO/2017/158561A1
This invention relates to methods for the recovery of precious metals such as gold, silver, platinum, palladium and rare earths from precious metal-bearing materials. In particular, a method of purifying precious metal from a precious me...  
WO/2017/159743A1
This processing method for lithium ion battery scrap includes: a leaching step for leaching a lithium ion battery and obtaining a leachate; an aluminum removal step for neutralizing the leachate to a pH of 4.0-6.0 and then performing sol...  
WO/2017/153627A1
Provided herein is a method for separating organic solvent(s) from an aqueous process stream comprising organic solvent(s), comprising passing said aqueous stream comprising organic solvent(s) through a granular bed comprising glass gran...  
WO/2017/153634A1
In a method for separating metals from metal borate precipitates obtained from recovering metals from solutions, solid metal borate precipitate is heated under reducing conditions to a temperature at which the metal is separated from the...  
WO/2017/148992A1
The present invention relates to a method for recovery of palladium from tin-containing acidic colloidal solutions comprising the steps of: intervalwise addition of a first non-noble metal in granulate, powder or pigment form as a cement...  
WO/2017/149835A1
Provided are a dissolving method and a collecting method for a group 5 element and/or a group 6 element with which the voltage and power necessary for dissolution can be reduced and the solubility of said element in a molten material can...  
WO/2017/150659A1
A method for collecting minor metals from minor metal-containing glass, characterized in that the method comprises heating the minor metal-containing glass to a temperature of 900-1100°C and thereby melting the minor metal-containing gl...  
WO/2017/148922A1
The present invention relates to a process for the separation of vanadium in the form of vanadium oxide, iron-vanadium-oxide, or iron-vanadium from solutions containing both dissolved iron and dissolved vanadium, wherein an aqueous solut...  
WO/2017/145892A1
Provided is a production method that uses industrially inexpensive hydrogen gas and is for forming coarse grains of highly pure nickel powder from a nickel sulfate ammine complex solution using a nickel micropowder. The method for produc...  
WO/2017/146034A1
Provided is a method for recovering scandium, by which high-quality scandium is able to be efficiently recovered from nickel oxide ore. The present invention comprises: a leaching step S1 for obtaining a leachate by leaching a nickel oxi...  
WO/2017/145448A1
Provided is a neutralization method performed for discharging process liquid that is generated in a metal-refining process to the outside of the system, wherein the amount used of a neutralizing agent such as slaked lime is reduced, maki...  
WO/2017/146219A1
This rare earth element separation method comprises a step for bringing an organic solvent into contact with a material liquid containing multiple types of rare earth elements to an aqueous solution, thereby extracting the multiple types...  
WO/2017/146055A1
The present invention addresses the problem of providing a metal extracting method, a metal extracting device used in the method, and a metal detecting method, which help save energy and do not require the use of a material having a larg...  
WO/2017/141117A1
The present invention relates to the use for ore beneficiation, of at least one derivative of alkoxylated (polyester)amine. The present invention also relates to the flotation pulp and the tailings comprising said product useful for ore ...  
WO/2017/143007A1
Disclosed herein is a method involving the steps of: a) mixing a first pond coal fly ash and a first ionic liquid, thereby leaching germanium from the first pond coal fly ash and producing a second pond coal fly ash and a first mixture c...  
WO/2017/139852A1
A process for the recovery of lithium from minerals rich in lithium and phosphate, the process comprising passing an ore (1) containing one or more minerals rich in lithium and phosphate to an acid leach step (60) thereby producing a pre...  
WO/2017/142081A1
The purpose of the present invention is to provide a thickener and a control method for the same with which a high concentration slurry, in which the slurry has a high concentration, can be obtained from the base part of the thickener in...  
WO/2017/140723A1
This disclosure relates to systems and methods for the dissolution of metals, metallic compounds, metallic alloys, metallic solids, recyclable metal, semiconductors, and the like. Particularly disclosed, are exemplary systems, methods, a...  
WO/2017/140324A1
The present invention describes a method, which consists in decomposition of graptolite- argillite organometallic matter in anaerobic environment by a stable adapted microbial consortium, accompanied by bioleaching of metals and methane ...  
WO/2017/141118A1
The present invention relates to the use for ore beneficiation, of at least one derivative of alkoxylated fatty (polyester)amine The present invention also relates to the flotation pulp and the tailings comprising said product useful for...  
WO/2017/141693A1
Provided is a method capable of improving the settleability of neutralization precipitate, generated by neutralization, and of reducing floating particles in the supernatant after solid-liquid separation, and also capable of reducing fil...  
WO/2017/137885A1
A lithium hydroxide production process integrating a lithium stripping stage with a lithium hydroxide production process performed in a two-compartment electrolysis cell.  
WO/2017/136885A1
A process for recovering lithium from lithium-bearing materials, in particular lithium bearing silicates such as spodumene, is provided. The process involves the steps of mixing the lithium-bearing material with a source of fluoride, suc...  
WO/2017/138421A1
Provided is a method with which it is possible, when causing a sulfuration reaction to occur from a sulfuric acid acidic solution containing at least nickel through use of a sulfuration agent and generating a sulfide of nickel, to suitab...  
WO/2017/135245A1
The present invention provides a method for easy and efficient recovery of high purity scandium from nickel oxide ore, the method comprising: an adsorption step S21 for passing a scandium-containing solution through an ion exchange resin...  

Matches 51 - 100 out of 9,046