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Matches 1 - 50 out of 3,769

Document Document Title
WO/2018/006433A1
Disclosed is a process for recycling palladium-containing catalyst materials, wherein the process comprises: (a) grinding the palladium-containing catalyst in a milling module; (b) removing palladium from the palladium-containing catalys...  
WO/2018/008014A1
A method of separating Osmium from Iridium, including receiving a powdered mixture of Osmium and Iridium, oxidizing the Osmium of the powdered mixture, capturing the oxidized Osmium in a trapping solution, reducing the oxidized Osmium fr...  
WO/2017/221074A1
An aqueous-based leaching solution for precious metal, the leaching solution comprising iodide salt material; and carboxylic acid material, the leaching solution being made by a process including the step of passing a first mixture throu...  
WO/2017/216417A1
The invention relates to a method of recovering gold from a gold-bearing concentrated copper chloride solution com¬ prising: a) an electrodeposition step, wherein an external potential or reducing current is applied to an electrode cont...  
WO/2017/212398A1
The present invention relates to a dispensing device comprising a tank, a pressure regulator, a dispensing mechanism and a pump. The tank is connected to a supply of liquid by means of a pipeline. The pressure regulator and the tank are ...  
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/2017/195109A1
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/2017/195109A4
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/2017/185158A1
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/2017/167553A1
The invention relates to a method for recovering rhenium and at least one platinum group element from aluminum-oxide-based catalyst carrier material, catalyst particles comprising rhenium and comprising at least one element of the platin...  
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/2017/150659A1
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/2017/143499A1
System and process for recycling palladium-containing components to reclaim precious metals such as palladium, silver and gold. The system includes a number of modules to systematically separate palladium from palladium-containing compon...  
WO/2017/120815A1
Systems and processes for recycling printed circuit boards, wherein precious metals may be reclaimed. The system generally includes a number of modules to systematically remove materials from the printed circuit boards and to separate th...  
WO/2017/111092A1
The present invention addresses the problem of providing an agent for selective metal recovery, a metal recovery method and a metal elution method, whereby a metal can be selectively recovered, eluted , refined, etc. at low cost and high...  
WO/2017/103788A1
The invention relates to a solution for leaching precious metals contained in a mineral, as well as the use thereof and the leaching process in which said solution is applied. The solution for leaching precious metals comprises NaCl, a n...  
WO/2017/086497A1
An embodiment of the present invention provides a method for recovering gold, the method comprising: (a)a step for dissolving a metal-containing raw material in an acidic solution to prepare a metal chloride mother liquor, and then filtr...  
WO/2017/071685A1
The invention relates to a method for the recovery of precious metal from materials containing precious metal, said method comprises the following steps of: A) bringing the materials containing the precious metal into contact with an oxi...  
WO/2017/065621A1
The invention relates to the hydrometallurgical process for the recovery of gold from arsenical refractory minerals, which promote a more efficient recovery in comparison to the conventional processes. This process comprises two steps: i...  
WO/2017/031032A1
A system is provided for recovering catalytic precious metals from aqueous galvanic processing solutions. The system comprises at least one holding tank, and at least one filtration unit, wherein the holding tank holds the galvanic proce...  
WO/2017/022799A1
The present invention provides a method for homogenizing a Ru-containing Cu alloy, the method being capable of improving the solubility of Ru in the Ru-containing Cu alloy and accurately measuring the noble metal content in the Cu alloy....  
WO/2017/011877A1
A method for detecting gold nanoparticles present in an aqueous sample containing gold nanoparticles, the method including: a. mixing a fluorophore with the aqueous sample containing gold nanoparticles to form a fluorescent gold solution...  
WO2017008097A1
The invention discloses a measurement apparatus for measuring a volume of a desired solid component in a sample volume of a solid-liquid slurry. The sample volume of the slurry is received into a receptacle and screened to separate out t...  
WO/2017/008955A3
Method for removing inorganically and/or organically bound carbon from a noble metal-containing composition in a furnace chamber that comprises at least one direct burner and at least one exhaust gas line. The method is characterized by ...  
WO2017008955A2
Method for removing inorganically and/or organically bound carbon from a noble metal-containing composition in a furnace chamber that comprises at least one direct burner and at least one exhaust gas line. The method is characterized by ...  
WO/2017/001081A1
A process for the production of a PGM-enriched alloy comprising 0 to 60 wt.-% of iron and 20 to 99 wt.-% of one or more PGMs selected from the group consisting of platinum, palladium and rhodium, the process comprising the steps: (1) pro...  
WO/2016/210051A8
The recovery of noble metal(s) from noble-metal-containing material is generally described. The noble metal(s) can be recovered selectively, in some cases, such that noble metal(s) is at least partially separated from non-noble-metal mat...  
WO/2016/210051A1
The recovery of noble metal(s) from noble-metal-containing material is generally described. The noble metal(s) can be recovered selectively, in some cases, such that noble metal(s) is at least partially separated from non-noble-metal mat...  
WO/2016/180624A1
The above mentioned invention describes a process for removing arsenic and/or antimony sulfides from copper, nickel and/or gold containing ore particles. Ore particles are fed into a reactor, wherein a fluidizing gas is injected into the...  
WO/2016/169674A1
The invention relates to a method for breaking down fine iridium, having the following steps: (a) breaking down 1 wt.% of fine iridium in an alkalinically oxidizing manner with 3 to 20 wt.% of a combination of 40 to 70 wt.% of sodium hyd...  
WO/2016/168933A1
The present application relates to methods for leaching and extraction of precious metals. For example, the present application relates to methods of leaching gold, palladium and/or platinum from a substance comprising gold, palladium an...  
WO/2016/168930A1
The present application relates to methods for the simultaneous leaching and extraction of precious metals. For example, the present application relates to methods of leaching and extracting gold and/or palladium from a substance compris...  
WO/2016/164600A1
Methods of recovering metals from metal-bearing materials, and more particularly, methods for improving leaching efficiency in extraction processes by employing a surfactant composition in the extraction process, as well as slurries usef...  
WO/2016/163269A1
[Problem] To provide a metal recovery method and a metal recovery apparatus which allow a metal to be recovered from a solution at low cost with high efficiency. [Solution] A metal recovery apparatus 100 according to the present inventio...  
WO/2016/152141A1
[Problem] To provide an agent for adsorbing ruthenium from an aqueous solution in order to recover/reuse or remove the ruthenium, and a method for purifying seawater contaminated with radioactive elements and/or water or the like in whic...  
WO/2016/146892A1
A method is disclosed for recovering gold from a gold-containing organic solution containing soluble gold. The method comprises contacting the gold- containing organic solution with an aqueous stripping solution in order to extract gold ...  
WO/2016/141405A1
The present disclosure provides a container and a method for preparing a sample for analysis. The container comprises a cavity for receiving a sample including a collector material and a precious metal. The cavity is suitable for melting...  
WO/2016/141438A1
A process for the selective recovery of at least one Chalcophile Group Element ("CPM") as herein defined from a material containing the CPM and one or more non Chalcophile Group Elements ("NCE") as herein defined, said process including:...  
WO/2016/139020A1
Disclosed is a method for synthesizing elemental rhodium, comprising the steps of: (1) providing an aqueous suspension of diethylenetriammonium hexahalorhodate adjusted to a pH between -1 and +2 using hydrohalic acid; (2) adding enough r...  
WO/2016/134420A1
A process is disclosed that enables a precious metal to be recovered from a sulfidic material. The process is particularly suited to treating single- and double-refractory pyritic materials such as pyrites and arsenopyrites. The process ...  
WO/2016/131445A1
The steps provided in a refining method for removing arsenic from arsenic-containing sulphide concentrates, more particularly from arsenic- and noble-metal-containing sulphide concentrates (10) as preparation process step for subsequent ...  
WO/2016/128109A1
An apparatus for separating and recovering the components of an alloy, particularly a noble alloy, including a high vacuum chamber housing at least one crucible for the alloy to be separated; at least one heating element arranged, during...  
WO/2016/109183A1
Embodiments disclosed herein include multilayer films that have at least two layers. More particularly, disclosed in embodiments herein are multilayer films that include at least a first layer and a second layer, wherein the first layer ...  
WO/2016/104113A1
The purpose of the present invention is to make it possible: to, before gold is eluted, effectively remove copper, iron, and sulfur, which are impurities from the standpoint of gold recovery, from activated carbon on which gold has been ...  
WO/2016/104594A1
In the present invention, a method for leaching valuable metals contained in a copper removal slime is characterized in that during oxidative leaching with hydrochloric acid of valuable metals contained in a copper removal slime by addin...  
WO/2016/099338A1
The invention relates to the field of hydrometallurgy. The use thereof for recovering precious metals from electronic circuit boards of modern microelectronics, for example, from computer printed circuit boards, allows to increase the...  
WO/2016/080656A1
The present invention relates to a method for producing polyketone, the method comprising: a gas-phase polymerization method which can increase output of polyketone; a solid-phase catalyst for polyketone polymerization which does not use...  
WO/2016/064444A1
This application provides a metallurgical extraction technique, comprising: a) re-pulping a feed filter cake to make a filter cake slurry; b) grinding the filter cake slurry; c) leaching the ground filter cake slurry in a hot alkaline cy...  
WO/2016/048750A1
A method of recovering gold from refractory ore containing a carbonaceous material, a sulfide and gold is provided. Gypsum seed crystals are added to a slurry containing a roasted refractory ore or a pressure-oxidized refractory ore to d...  

Matches 1 - 50 out of 3,769