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Matches 1 - 50 out of 3,171

Document Document Title
WO/2024/053621A1
The present invention relates to a noble metal separation method that is characterized by adding at least one heterocyclic compound selected from aliphatic heterocyclic compounds and aromatic heterocyclic compounds to a solution containi...  
WO/2024/053487A1
This metal recovery agent comprises a reducing compound which is represented by chemical formula (1), and causes a metal to precipitate by means of reduction caused by the reducing compound. In chemical formula (1), R1 represents CH3 or ...  
WO/2024/042225A1
The invention relates to a method for separating the components of assemblies containing solder by oxidizing Fe(II) to Fe(III) by means of at least one Fe(II)-oxidizing microorganism and by at least partially leaching solder, wherein Fe(...  
WO/2024/035752A2
A composition for use as a collector, leaching aid, sequestrant or chelant, comprising at least one at least one derivatized carbohydrate surfactant such as an alkyl derivatized polyglycoside, glycolipid, glycerol glycolipid, sphingo gly...  
WO/2024/028564A1
A method of selectively extracting rhodium from an aqueous hydrochloric acid solution comprising rhodium and iridium, the method comprising: mixing a first aqueous hydrochloric acid solution comprising rhodium and iridium with an immisci...  
WO/2024/029355A1
Provided is a noble metal recovery kit that is capable of recovering highly pure noble metal from a metal secondary resource in a simple and energy-saving manner. A noble metal recovery kit according to the present disclosure is for re...  
WO/2024/020628A1
A method of recycling one or more valuable metal elements from a solid source material comprising the one or more valuable metal elements and fluorine, the method comprising: forming an acidic aqueous recycling feed by acid leaching the ...  
WO/2024/023055A1
The present invention relates to a new hydrometallurgical process for recovering palladium from a spent catalyst, wherein a specific order of multiple process-steps is carried out.  
WO/2024/026214A1
A separation apparatus having a first tube having an inside diameter and a height, a second tube having an outside diameter and substantially the height of the first tube, the second tube concentric with the first tube, the tubes having ...  
WO/2024/017929A1
The present disclosure relates to a recovery system for recovering volatile precious metals from a gas phase, particularly for selectively recovering Pt and/or Pd, but not Rh from a gas phase. The recovery system is characterized in that...  
WO/2024/017928A1
The present disclosure relates to a method for selectively recovering Pd, Pt, or a combination of Pd and Pt from a gas phase comprising volatile precious metals. The method comprises the step of contacting the gas phase comprising volati...  
WO/2024/006219A1
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...  
WO/2024/000970A1
A method for extracting and recovering gold from an aqueous solution, the method comprising the following steps: (1) extracting gold from a water body by means of electric flocculation, wherein by using an electrolytic cell, gold in an a...  
WO/2024/006215A1
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...  
WO/2024/006208A1
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...  
WO/2023/247276A1
The invention relates to a method (100) for recycling polymer membranes comprising metal-containing catalyst material. The method comprises the following steps: S2: adding water without adding organic solvents to a polymer membrane compr...  
WO/2023/245244A1
Disclosed herein is a process for remediating impounded coal ash. The process comprises subjecting the coal ash to a magnetic separation treatment in which magnetisable material is separated from non-magnetisable material present in the ...  
WO/2023/250503A1
An automated method for sorting circuit boards for recycling is described. The method includes scanning a layout design for a circuit board and comparing the scanned layout design with a database of circuit board layout designs. Each of ...  
WO/2023/247913A1
A method of recycling a waste catalyst coated membrane material comprising an ionomer membrane, at least one catalyst comprising platinum, palladium and/or ruthenium, and at least one catalyst comprising iridium, the method comprising: (...  
WO/2023/241087A1
The present invention provides a thiodiglycolic acid extraction agent, and a preparation method therefor and use thereof, in the technical field of extraction separation in the fields of extraction agent synthesis and hydrometallurgy. Th...  
WO/2023/243702A1
This noble metal production method comprises: a base metal dissolution step for producing a noble-metal-containing raw material and a base metal eluate in which a base metal has been dissolved; a noble metal dissolution step for producin...  
WO/2023/244964A1
A method for extracting a metal of interest from a mineral substrate comprising: 1) providing a mineral substrate containing a metal of interest, 2) contacting the mineral substrate with a leaching medium comprising a pH reducing microor...  
WO/2023/239296A2
An assembly and a method for photovoltaic (PV) panel recycling is disclosed. The assembly comprises (a) a mechanical means to remove aluminium frames; (b) a furnace; (c) a cooling station; (d) a wet bench; (e) a filtration system; (f) a ...  
WO/2023/229528A1
The present disclosure concerns a method of extracting platinum group metals (PGM) from a material, the method comprising surface oxidising the material; ultrasonicating the surface oxidised material of step a) in the presence of an acid...  
WO/2023/220785A1
A method and a mine for in situ recovery of a valuable metal from a hard rock ore body reserve is disclosed. Resource definition holes that were drilled as part of a resource definition program are used as production holes. The resource ...  
WO/2023/220072A1
In one aspect, the disclosure relates to relates to systems and methods for the separation and recovery of rare earth elements and other critical minerals from AMD-based pre-concentrate materials, e.g., a solid pre-concentrate material, ...  
WO/2023/217568A1
The invention relates to a method for recovering ruthenium from a ruthenium-containing material, with the steps of: a) adding an oxidizing agent to a ruthenium-containing material, b) oxidizing the ruthenium to ruthenium tetroxide, and c...  
WO/2023/214425A1
The present invention relates to a highly cost-effective and sustainable method of gold extraction in which aqueous Au3+ is precipitated selectively as it's complex with niacin-incorporated polystyrene, with a formula [AuCl4] -[2Niacin+H...  
WO/2023/212815A1
It is provided an environmentally friendly process for recycling metals and nonmetallic components from printed circuit boards (PCBs), without using treatments considered damaging to the environment and minimizing emission of greenhouse ...  
WO/2023/212777A1
A method of processing a mined ore that contains a valuable metal includes producing a coarse concentrate in a coarse flotation unit (17) in one or more than one "non-hub" mine (1) and transporting the coarse concentrate to a "hub" mine ...  
WO/2023/211318A1
The invention relates to the precious metals industry. A method of processing iron-based concentrates containing precious metals includes repulping a concentrate in water, treating the pulp with an alkali metal chlorate and sulphuric or ...  
WO/2022/195527A9
Method for recovering elements from printed circuit boards, wherein the method comprises a step (S3) of melting the printed circuit boards (2), as well as a step (S4) of refining or purifying the melted printed circuit boards (2), charac...  
WO/2023/211913A1
A leaching tank that can be used in an interstage screening process includes a draft tube with an impeller that extracts slurry or liquid from an interior of a screen basket mounted in the leaching tank. The impeller is driven by a motor...  
WO/2023/209105A1
It relates to a process for the recovery of a platinum group metal (PGM) material comprising platinum from a waste material which comprises a spent solid residue containing platinum and optionally palladium, which comprises the steps of:...  
WO/2023/205684A1
The subject invention provides safe, environmentally-friendly compositions and efficient methods for extracting impurities from gold ore. More specifically, the subject invention provides compositions derived from microorganisms for pre-...  
WO/2023/199270A1
A method for recovering metals from scrap sources. The method includes obtaining scrap sources that include the metal to be recovered. The method also includes removing the metal from the scrap sources. Removing the metal from the scrap ...  
WO/2023/198303A1
The invention relates to a method of recovering catalyst material from a membrane electrode assembly (10) from water electrolysis, comprising the steps of: – providing (1) a membrane electrode assembly (10) comprising a membrane (24) c...  
WO/2023/199263A1
The invention relates to a process for the production of a leaching composition obtained from dairy product waste, more particularly the invention relates to a process for the treatment of raw dairy and dairy product waste with particula...  
WO/2023/190768A1
Provided is a method for recovering a platinum group element from a solution containing a platinum group element, the method using a capture agent to induce adsorption of the platinum group element by the capture agent. In this method, t...  
WO/2023/191722A1
The present invention relates to a composition comprising a strong base, an oxidant and a thiocyanate, wherein the composition has a pH in the range of 12 to 14. The present invention also relates to a method of preparing such a composit...  
WO/2023/186027A1
The present invention provides an environmentally friendly gold leaching method for gold ore containing carbon, sulfur and arsenic, and relates to the technical field of the metallurgical industry. The present invention utilizes fine gri...  
WO/2023/180673A1
The invention relates to a method for recovering indium contained in a substrate comprising an indium tin oxide film locally covered with a metal layer that is is made of silver or a platinum-group metal, the method comprising a dissolvi...  
WO/2023/175535A1
The present invention relates to a method and furnace for treating a catalyst made from Silicon Carbide (SiC) substrates, in particular an automotive catalyst containing a catalyst supported on a substrate made from or containing SiC. Th...  
WO/2023/173221A1
The present invention concerns new strains of cyanogenic bacteria, and more particularly alkali-tolerant Pseudomonas bacteria, that are useful to gold mining activities. These bacteria are useful to leach gold from any source including o...  
WO/2023/165766A1
A method for comminuting spent, catalyst-coated PEM membranes from PEM fuel cells and/or PEM electrolysis cells by means of a cutting mill.  
WO/2023/164504A1
The present invention relates to a method for recovering metals contained in electronic waste, in particular used electronic boards, as well as to a plant adapted to the implementation of this method while limiting energy consumption.  
WO/2023/161687A1
The present disclosure relates to a process for obtaining metallic gold particles from an aqueous solution comprising gold, wherein the process comprises a step of mixing the aqueous solution comprising gold with an aqueous extract obtai...  
WO/2023/156345A1
The present invention relates to the field of recovery of rare-earth metals, in particular to a process for the recovery of neodymium (Nd) from e-wastes from ceramic -based electronic components, in particular from waste printed circuit ...  
WO/2023/154976A1
According to the present invention there is provided a method for smelting a zinc sulfide concentrate, the method comprising the steps of: feeding the zinc sulfide concentrate to a reduction furnace at a known mass flow rate of sulfur; f...  
WO/2023/151602A1
Provided are a continuous copper smelting process and continuous copper smelting equipment for treating complex gold concentrate.  

Matches 1 - 50 out of 3,171