| Document |
Document Title |
|
WO/2019/071787A1 |
A method for recovering valuable components from smelting slag containing nickel, comprising: adding nickel smelting slag into a reaction device, adding a calcium-series mineral and an additive, forming mixed slag, heating the mixed slag...
|
|
WO/2019/071793A1 |
A method for recovering a valuable component from slag containing copper, comprising: S1. mixing furnace slag: adding copper slag into a smelting reaction device, adding a calcium-series mineral and an additive, forming mixed slag, heati...
|
|
WO/2019/071790A1 |
A method for recovering valuable components from mixed slag containing zinc and iron, comprising the following steps: S1, adding zinc smelting slag into a heat preservation device or into a smelting reaction device from which slag may fl...
|
|
WO/2019/071792A1 |
A production method based on smelting reduction of slag containing zinc and iron. The method comprises the following steps: S1, adding zinc smelter slag into a thermal insulation apparatus or a smelting reaction apparatus allowing slag t...
|
|
WO/2019/071789A1 |
A method for recovering valuable components from zinc smelting slag. The method comprises the following steps: S1, adding zinc smelting slag to a heat insulating device or a smelting reaction device from which slag may flow out, and addi...
|
|
WO/2019/064709A1 |
Provided is a gold leaching method for leaching gold included in raw material that includes sulfide minerals or gold and sulfur as a refining intermediate obtained by refining treatment of sulfide minerals, wherein the gold leaching meth...
|
|
WO/2019/060961A1 |
A process for recovery of one or more elements, selected from precious metals and chalcophile metals as herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) a leaching step comprising...
|
|
WO/2019/056837A1 |
A clean extraction method for metal silver, comprising: leaching a mixture of an acid solution containing Ce 4+ and NO 3 - and a silver containing material, and after the leaching is completed, carrying out solid-liquid separation to obt...
|
|
WO/2019/033154A1 |
A process for recovery of one or more elements, selected from precious metals and chalcophile metals, as herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) contacting the material w...
|
|
WO/2019/035446A1 |
Provided is a metal which is one of tin, silver, copper, zinc, or indium, and has low α-ray emission, wherein the α-ray emission of the metal after being heated in air at 100°C for 6 hours is 0.002 cph/cm2 or less. A metal selected fr...
|
|
WO/2019/023735A1 |
Contemplated is a sensor system for use with a measuring device. The measuring device being of the type adapted to measure the volume of a desired solid component in a sample volume of a solid-liquid slurry obtained from either a carbon-...
|
|
WO/2019/016798A1 |
The present invention provides process and apparatus for producing a thin layer of high purity gold on an object made of gold alloy, such as a jewelry item. The process comprises heating a gold alloy having an outer surface to a temperat...
|
|
WO/2019/006568A1 |
The present invention relates to a method for extracting base and precious metals, all contained in refractory minerals, using aqueous media. The aim is to replace the current "flotation/smelting"· method for extracting minerals in Chil...
|
|
WO/2018/223190A1 |
A process for leaching a mineral particulate material comprising the steps of feeding the mineral particulate material to a leaching step (10) in which at least one valuable metal in the mineral particulate material is leached into a lea...
|
|
WO/2018/225738A1 |
This palladium extraction agent, which comprises an alkyl-sulfide-group-comprising disubstituted aromatic compound represented by general formula (I) as an active ingredient, can be used to selectively extract only palladium from a solut...
|
|
WO/2018/187855A1 |
Process for recovering one or both of copper and silver from a sulphidic feed containing iron, arsenic, copper and silver by pressure oxidizing an aqueous feed slurry of the sulphidic feed in a pressure vessel to form a liquid phase cont...
|
|
WO/2018/162043A1 |
The invention is directed to a process and its relating plant for roasting gold bearing sulfide concentrate. Concentrate particles with a carbon content of more than 0.5 wt-% are fed into a roaster where they are thermally treated at a t...
|
|
WO/2018/162089A1 |
The invention describes a process for roasting of metal concentrate. Concentrate particles are fed into a roaster where they are thermally treated at a temperature in the range of 500 and 1200°C in a fluidized bed to form a calcine. At ...
|
|
WO/2018/155687A1 |
The present invention pertains to a metal recovery agent or a metal compound recovery agent that comprises a dried product of cells of a red alga belonging to the order Cyanidiales, a dried product of a material derived from cells of a r...
|
|
WO/2018/152484A1 |
A process for the incineration of activated coal-supported PGM catalysts, the process comprising a joint incineration of a multilayer arrangement, wherein the multilayer arrangement includes (i) a top layer of particulate activated coal-...
|
|
WO/2018/131492A1 |
Provided is a hyperbranched polymer which is represented by formula (1) and which is characterized by having a weight-average molecular weight of 1,000 to 1,000,000. In formula (1), A1 is a group comprising an aromatic ring, A2 is a grou...
|
|
WO/2018/127766A1 |
Method and apparatus are provided to select precious metals slurries of ore and water. Slurry is directed to pass over detectors, each comprising a pair of low voltage electrodes. The electrodes are spaced apart to form a detection gap. ...
|
|
WO/2018/108661A1 |
Process for leaching a noble metal from a source thereof, said process comprising the following steps: -reacting a bromide with hydrogen peroxide in order to generate bromine; -transferring said bromine into a leaching tank; and -adding ...
|
|
WO/2018/093298A1 |
Use: The invention relates to hydrometallurgy of noble metals. Essence of the invention: A method comprises anode dissolution of alloys of various compositions that contain noble metals, including gold, and subsequent reduction on a cath...
|
|
WO/2018/093470A1 |
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 of (1) p...
|
|
WO/2018/091361A1 |
A method for extracting and separating Gold, Silver, Copper, Zinc and/or Lead from an Arsenic-containing ore, concentrate or tailings characterized in that the extraction is carried by roasting in the presence of a calcium-containing mat...
|
|
WO/2018/082516A1 |
A method for comprehensive recovery of silver-containing lead slag, mainly comprising the following steps: impurity removal, deleading, reduction and filtration, lead dissolving, hot filtration, quenching filtration, cleaning, thermal de...
|
|
WO/2018/065127A1 |
The invention relates to a method for removing noble metal from particulate refractory material containing noble metal, comprising the following steps: (1) providing particulate refractory material containing noble metal, (2) bringing th...
|
|
WO/2018/065125A1 |
The invention relates to a method for removing noble metal from coarse porous molded bodies of noble-metal-containing refractory material, comprising the following steps: (1) providing coarse porous molded bodies of noble-metal-containin...
|
|
WO/2018/065126A1 |
The invention relates to a method for separating noble metal from particulate noble metal-containing refractory material, comprising the steps: (1) providing particulate noble metal-containing refractory material, (2) bringing the partic...
|
|
WO/2018/064940A1 |
Provided are a gold mining and processing method. The method comprises steps of: A. After gold ore are mined, grinding the gold ore to obtain a gold mine raw material; B. Processing a gold ore material of weight m at a temperature of 150...
|
|
WO/2018/050950A1 |
The present invention relates to a method for recovering at least one precious metal from an aqueous solution containing said metal and particularly to recovery of silver and optionally one or more other precious metals from overflow of ...
|
|
WO/2018/049487A1 |
A process for recovering copper, uranium and one or more precious metals from an ore material, including: a. forming a heap of the ore material; b. subjecting the heap of the ore material to an acidic heap leach using an iron containing ...
|
|
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/2017/185158A1 |
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...
|
