Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 8,839

Document Document Title
WO/2016/100981A8
A method of improving leach kinetics and recovery during atmospheric or above- atmospheric leaching of a metal sulfide is disclosed. A system for practicing the aforementioned method is also disclosed. Apparatus for practicing the aforem...  
WO/2016/099248A1
The invention relates to a leaching heap comprising: a container for the ore to be leached, the base of which is grooved and sloped; a resistant material coating the entire grooved base; a water-proofing membrane protecting all of the in...  
WO/2016/099249A1
The invention relates to a method for the extraction of metals from a mineral source by means of acid leaching, which method involves the following steps: selecting a mineral source rich in the metal of interest, such as, inter alia, cop...  
WO/2016/100981A1
A method of improving leach kinetics and recovery during atmospheric or above- atmospheric leaching of a metal sulfide is disclosed. A system for practicing the aforementioned method is also disclosed. Apparatus for practicing the aforem...  
WO/2016/100453A3
A system and method for improving leach kinetics and recovery during above-atmospheric leaching of a metal sulfide is disclosed. In some embodiments, the method may comprise the steps of: (a) producing a metal sulfide concentrate [34] vi...  
WO/2016/094956A1
1. A method for recovering one or more of copper, uranium and a precious metal from an ore material, including: (a) forming a heap of the ore material; (b) during active heap irrigation, contacting the heap of the ore material with an ir...  
WO/2016/100673A1
A transportable modular system for enhanced minerals recovery from tailings lines and deposits, features two transportable mineral recovery modules (TMRM), each TMRM for transporting as a truck mounted module to a remote site as an indep...  
WO/2016/090808A1
A use of an amino group-containing neutral phosphine extraction agent having formula I for the extraction and separation of thorium, and a thorium extraction and separation method for the use. R1 and R2 are each independently selected fr...  
WO/2016/090458A1
A metallurgical method for operating an autogenous production circuit for producing metal(s), said method using one or more oxidizing agents generated electrolytically in a cell with one or more interfaces which allows anion exchange; sa...  
WO/2016/090809A1
A use of an amino group-containing neutral phosphine extraction agent having the following formula I for the extraction and separation of tetravalent cerium, and a method using the amino group-containing neutral phosphine extraction agen...  
WO/2016/090489A1
The present description relates to a process for producing magnesium metal from dihydrate magnesium chloride comprising the steps of dehydrating MgCI2.2H2O with anhydrous hydrochloric acid (HCI) to obtain anhydrous magnesium chloride in ...  
WO/2016/084830A1
Provided is a method for recovering scandium, with which it is possible to easily and efficiently recover high-purity scandium from nickel oxide ores. This method for recovering scandium involves passing a solution containing scandium th...  
WO/2016/081976A1
A split solvent extraction process for treating pregnant leach solution (PLS) from a heap leach process is described. The solvent extraction process comprises the steps of partitioning the heap leach process to produce two or more pregna...  
WO/2016/077937A1
The invention relates to a differentiated, adaptive and automated system and method for leaching in extractive metallurgy, applicable to modular piles with a system of differentiated pipes, interconnected vats or any other system for pre...  
WO/2016/081908A1
A method of improving metal leach kinetics and recovery during atmospheric or substantially atmospheric leaching of a metal sulfide is disclosed. In some embodiments, the method may comprise the step of processing a metal sulfide concent...  
WO/2016/077925A1
ABSTRACT OF THE DISCLOSURE The present description relates to a process for extracting magnesium compounds from magnesium-bearing ores comprising leaching serpentine tailing with dilute HCl to dissolve the magnesium and other elements li...  
WO/2016/081799A1
Systems for improving metal leach kinetics and metal recovery during atmospheric or substantially atmospheric leaching of a metal sulfide are disclosed. In some embodiments, an oxidative leach circuit 200 may employ Mechano-Chemcial/Phys...  
WO/2016/080864A1
The invention relates to devices for regulating the feed rate of a liquid, and can be used, in particular, in agriculture and in the extraction of metals by heap leaching. The technical result from using the proposed dropper embodimen...  
WO/2016/074872A1
Method for removing noble metal from noble-metal-containing shaped catalyst bodies which comprise shaped bodies and noble metal, wherein the noble metal to be removed comprises at least one noble metal selected from the group consisting ...  
WO/2016/072529A1
The present invention relates to a method for collecting rare earth metals, the method being capable of extracting praseodymium (Pr) and neodymium (Nd) from a hydrochloric acid solution containing the elements at excellent efficiency, an...  
WO/2016/066905A1
The present invention provides a process for recovery of gold from gold-bearing raw materials comprising (a) leaching said gold-bearing raw material in a chloride containing leaching solution containing a total concentration of less than...  
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/2016/064443A1
A process is provided for preparing a spent noble metal fixed-bed catalyst for precious metals recovery, comprising: a) adding the catalyst to a caustic solution to wash the spent catalyst and to make a wash slurry having an alkaline pH,...  
WO/2016/063187A1
A hydrometallurgical process is provided for the selective extraction of metal(s) from ore, concentrates, tailings, slags or other metal bearing solids, by combining simultaneously leaching with sorption in the state of wet solids to imp...  
WO/2016/058668A1
The invention relates to alkenyl (perfluoroalkyl) phosphinic acids, the production and intermediates thereof, the use thereof as monomers for the production of oligomers and/or polymers, the corresponding oligomers/polymers, the correspo...  
WO/2016/058007A3
Processing schemes for the extraction and/or separation of rare earth elements (REEs) from rare earth containing products such as rare earth mineral ore bodies and intermediate products derived from rare earth mineral ore bodies. The pro...  
WO/2016/058007A2
Processing schemes for the extraction and/or separation of rare earth elements (REEs) from rare earth containing products such as rare earth mineral ore bodies and intermediate products derived from rare earth mineral ore bodies. The pro...  
WO/2016/054683A1
A process for the recovery of lithium from lithium bearing mica rich minerals, the process comprising passing an ore (1) containing one or more lithium bearing mica rich minerals to at least one pre-treatment step (50), passing the pre-t...  
WO/2016/054952A1
A metallurgical process for a tungsten mineral raw material (100), comprising: employing a weak base leaching agent conducive to forming a local process circulation, the leaching agent generating two or more gases in an evaporative cryst...  
WO/2016/051098A1
The invention relates to a method for treating a product containing asbestos, comprising the following steps: a) supplying a divided solid product containing asbestos, b) preparing a reaction medium comprising the divided solid product c...  
WO/2016/049777A1
There is provided a process for purifying aluminum ions comprising: reacting an aluminum-containing material with an acid so as to obtain a composition comprising aluminum ions; precipitating said aluminum ions in the form of AlCl3; opti...  
WO/2016/052568A1
Provided are a leaching method for lithium ion battery scrap that makes it possible to effectively reduce treatment costs and a method for recovering metal from lithium ion battery scrap. This leaching method for lithium ion battery scra...  
WO/2016/050036A1
A method for removing phosphorus and calcium rich in rare earth from phosphorite containing rare earth through priority leaching by using mixed solution of phosphoric acid and calcium dihydrogen phosphate, mixing phosphorite containing r...  
WO/2016/052569A1
Provided are a leaching method for lithium ion battery scrap that makes it possible to effectively reduce treatment costs and a method for recovering metal from lithium ion battery scrap. This leaching method for lithium ion battery scra...  
WO/2016/047700A1
 The purpose of the present invention is to provide an adsorption separation material enabling selective adsorption of a rare earth element, and exhibiting excellent adsorption and recovery performance using a simplified device and ope...  
WO/2016/041436A1
A leaching agent and leaching method for leaching a rare earth element in an ion-adsorbed rare earth ore; the leaching agent is an aqueous solution comprising reducing ions. The present invention uses the aqueous solution comprising the ...  
WO/2016/040244A2
An environmentally friendly (e.g. no acid, base, or cyanide) system and process for large scale extraction of metal ion into aerobic molten salt (or ionic liquid) and the electrodeposition of metal (e.g. copper, gold, silver, etc.) from ...  
WO/2016/034630A1
Method of selective extraction of a metal from the family of platinoids, from a ceramic support containing said metal, comprising the following successive steps : a) said ceramic support containing said metal is brought into contact, in ...  
WO/2016/031699A1
Provided is a method for separating scandium, the method comprising a step for: mixing an acid or an alkali with an aqueous raw solution containing at least scandium, titanium and zirconium to adjust the pH to the range of 1.0-2.0, there...  
WO/2016/033360A1
A method of controlling frothing during atmospheric or substantially atmospheric leaching of a metal sulfide is disclosed. In some embodiments, the method may comprise the steps of (a) producing a metal sulfide concentrate via flotation;...  
WO/2016/030574A1
The present invention relates to the field of mineral engineering and metallurgy in general and to extraction of metal compounds from ores or concentrates by wet processes, and more particularly to a method and an arrangement for determi...  
WO/2016/026062A1
The present invention relates to a method for leaching secondary and primary sulphides of copper in a ferrous chloride medium with iron-oxidising bacteria adapted from the crushing of the mineral from the mine, comprising the steps of: m...  
WO/2016/027158A1
The present invention relates to a process and reactor for the leaching of primary sulphide minerals, with systems to solve the problem of the passivation layer as well as methods for selective metal deposition on the cathode. The propos...  
WO/2016/024470A1
Provided is a nickel recovery method that makes it possible to reduce the amount of nickel remaining in byproducts by recovering nickel from the byproducts of an electro-nickel manufacturing process which uses chlorine leaching, and that...  
WO/2016/023054A1
The invention relates to an integrated hydrometallurgical method for processing metal-containing feedstock, which comprises the following steps: a) dissolving metal-containing feedstock in aqueous hydrochloric acid; b) separating the ins...  
WO/2016/023812A1
Process for oxidising species in solution using hydrogen peroxide, said process comprising the steps of: - agitating a solution or suspension of particles in a tank with an agitating device; - adding hydrogen peroxide to said solution or...  
WO/2016/021559A1
The purpose of the present invention is to provide a novel technology for separating and recovering metal, namely, to provide a convenient, low-cost, and superiorly selective metal recovery method and metal recovery agent. This metal rec...  
WO/2016/022330A1
Disclosed herein are processes for selectively solubilizing iron from a substrate material containing both titanium and iron, such as ilmenite ore. In one embodiment, the process comprises contacting a substrate material comprising iron ...  
WO/2016/019419A1
This disclosure relates to a process for selectively extracting Fe(IlI) ions from an aqueous feedstock containing Fe(III) ions and non-ferric ions. The process comprises contacting the feedstock with an organic phase comprising a phospho...  
WO/2016/022820A3
An efficient perovskite solar cells can be synthesized from used car batteries by using both the anodes and cathodes of car batteries as material sources for the synthesis of lead iodide perovskite materials.  

Matches 201 - 250 out of 8,839