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Matches 51 - 100 out of 8,354

Document Document Title
WO/2016/119003A1
A process (10) for the treatment of a lithium containing material (12), the process comprising the steps of: (i) Preparing a process solution from the lithium containing material (12); (ii) Passing the process solution from step (i) to a...  
WO/2016/117175A1
Provided are: an extractant which is capable of quickly and highly efficiently extracting zirconium from an acidic solution that is obtained by acid leaching a material containing zirconium and scandium such as an SOFC electrode material...  
WO/2016/117051A1
Provided are a mineral slurry manufacturing facility and a mineral slurry manufacturing method by which mineral slurries having different solid component ratios can be uniformly mixed, and large quantities of mineral slurry can be contin...  
WO/2016/113940A1
Provided is a countercurrent type direct-heating heat exchanger having high heat exchange efficiency. This countercurrent type direct-heating heat exchanger A, which causes a heating subject fluid 1 and a heat medium 2 to flow counter to...  
WO/2016/115435A1
Extraction of rare earths from end-of-use machinery having rare earth magnets provides a closed-loop process towards recycling rare earths from comingled devices having embedded magnets such as motors, generators and disk drives. A low t...  
WO/2016/113946A1
The present invention provides a chromium-containing water treatment method that allows treatment of water that contains chromium (chromium-containing water) at low cost. A chromium-containing water treatment method according to the pres...  
WO/2016/112432A1
This invention relates to the beneficiation of titanium bearing materials having a substantial component of anatase and/or rutile and/or pseudorutile structure. Such materials include anatase ores and minerals and other sources of anatas...  
WO/2016/111571A1
The present invention relates to a method for collecting indium and tin using industrial waste and, more specifically, the method comprises: an inorganic acid mixing step for mixing an inorganic acid with industrial waste mixed with indi...  
WO/2016/106732A1
Disclosed is a method for recovering rare earth by fractional extraction. The method comprises the following steps: using a rare earth solution containing medium-heavy rare earth as a raw liquid with a pH value of 2.5-5.5, performing a f...  
WO/2016/108959A1
Various embodiments provide a leaching solution monitoring module comprising a first leaching solution distribution system interface, a flow meter in fluid communication with the first leaching solution distribution system interface, the...  
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/2016/108245A1
The invention is directed towards a process for complete conversion of multiple industrial wastes to sustainable alternatives and usable products resulting in water in-soluble product alike chemical gypsum useful for cement manufacturing...  
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/2016/099248A1
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 ...  

Matches 51 - 100 out of 8,354