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Matches 51 - 100 out of 9,118

Document Document Title
WO/2018/028543A1
A method for extraction, enrichment and recovery of rare earths from a low-concentration rare earth solution, using a non-saponification organic extractant to perform centrifugal extraction, obtaining an organic phase containing rare ear...  
WO/2018/026308A1
The invention relates to a technology for producing a scandium-containing concentrate from alumina production waste and obtaining a high-purity scandium oxide. The method comprises leaching red mud with a solution containing a mixture of...  
WO/2018/027046A1
The present invention discloses water-based mining collector compositions containing dodecylmethyl sulfide. Floatation processes for recovering metals, such as copper and molybdenum, from ores using the mining chemical collector composit...  
WO/2018/024934A3
A method and an electrochemical reactor are disclosed for depressing iron sulphides and other disposable elements during the flotation concentration of minerals. The proposed invention consists of a method based on the action of electrod...  
WO/2018/024934A2
A method and an electrochemical reactor are disclosed for depressing iron sulphides and other disposable elements during the flotation concentration of minerals. The proposed invention consists of a method based on the action of electrod...  
WO/2018/023159A1
The present disclosure provides a process for extracting and recovering lithium values from a lithium-bearing material, in particular from lithium-bearing silicates such as spodumene and lepidolite. The process for extracting lithium val...  
WO/2018/024938A1
This disclosure relates to a flotation line (1) for treating mineral ore particles suspended in slurry, comprising at least three flotation units (2) arranged in fluid connection with each other for allowing gravity-driven slurry flow be...  
WO/2018/014081A1
The present invention relates to processes including the step of electrochemically treating an iron mineral. The processes are for improving the grade of iron, producing a magnetic iron mineral, producing an iron oxide, or for removing h...  
WO/2018/015693A1
A temperature-regenerated hydrophobic liquid composition comprising an extracting molecule of a non-alkaline cationic species, a solvating molecule of a complimentary anionic species and a fluidizing agent, wherein said composition is ch...  
WO/2018/014093A1
The present method includes initially removing sulphur, phosphorus and waste rock from ore and coal by magnetizing roasting with an alkaline additive and acid leaching. A mixture of crushed ore, coal and NaOH is heated to a temperature o...  
WO/2018/012905A1
One aspect of the present invention provides a method for concentrating and recovering noble metals through a boron compound, comprising the steps of: (step 1) pulverizing a copper-containing material, and preparing a mixture by mixing t...  
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/2018/007419A1
The present invention relates to a collector composition containing 80 to 100 wt% of at least one alkylethermonoamine, less than 20 wt% alkyletherdiamine, all wt% based on total weight of all amine components, and wherein the alkyletherm...  
WO/2018/007418A3
The present invention relates to a process to treat magnetite ore containing less than 15 wt% of silica on total ore, the process containing a step of (froth) flotating in the presence of a collector composition that contains 80 to 100 w...  
WO/2018/009536A1
Methods, systems and lixiviation compositions including an ammonium thiosulfate or a non- ammonium thiosulfate component in combination with one or more alkaline earth metal hydroxides, and optionally copper cations, for leaching preciou...  
WO/2018/007672A1
The present invention relates to hydrometallurgical technologies wherein liquid-liquid extraction, also called solvent extraction, is used to separate and concentrate metal ions. More particularly the invention relates to solvent extract...  
WO/2018/007297A1
The present disclosure provides a process for selectively separating a first heavy metal such as copper from a liquid medium containing at least the first heavy metal in dissolved form, by: (a) contacting the liquid medium with a solid s...  
WO/2018/007418A2
The present invention relates to a process to treat magnetite ore containing less than 15 wt% of silica on total ore, the process containing a step of (froth) flotating in the presence of a collector composition that contains 80 to 100 w...  
WO/2018/005758A1
A method for extracting metal ions from water is provided that includes disposing two electrically conductive electrodes in water, where the water includes a target ion species in solution, where at least one of the electrically conducti...  
WO/2018/002411A1
The invention relates to a method and to an arrangement for recovery of precious metal. The method comprises calculating a first electrical property of a slurry (4) downstream of a retention screen (9) in a first flow direction A either ...  
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/2017/216610A1
The present invention relates to a bacterial strain isolated from the species Leptospirillum sp., Likallfu, deposited in the CChRGM (Colección Chilena de Recursos Genéticos Microbianos, Chillán, Chile) on 17 October 2015 with referenc...  
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/2017/209828A3
Provided is a process for recovering uranium comprising (a) bringing a solution (I) into contact with a resin (I) to produce a mixture of a solution (II) and a resin (II), wherein the solution (I) is an aqueous solution that comprises 30...  
WO/2017/208471A1
This method for producing a vanadium compound comprises: an alkali leaching step for obtaining a leachate slurry by immersing incineration ash in an alkaline solution to leach vanadium from the incineration ash into the alkaline solution...  
WO/2017/209440A1
Provided are a method for recovery of a high-grade scheelite concentrate and a facility for recovery of a scheelite concentrate. Specifically, provided is a method for recovery of a high-grade scheelite concentrate, the method comprising...  
WO/2017/199254A1
A process for recovering gold from a gold-containing raw material, comprising leaching the gold-containing material with an aqueous solution comprising elemental bromine and bromide source to form a pregnant leach solution with the gold ...  
WO/2017/199994A1
Provided is an angle valve capable of effectively suppressing abrasion of the interior of the angle valve with slurry flowing therethrough. The angle valve 1 according to the present invention comprises: a valve body 11 which has a horiz...  
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/2017/200408A1
The present invention refers to a process of extraction of lithium from ores or lithium mineral concentrates, through the combination of three unitary operations, the mechanical activation of the ore or of the concentrate, followed by th...  
WO/2017/199887A1
[Problem] To recover a rare metal. [Solution] This method is for recovering a rare metal from a chloride residue produced when refining titanium, and comprises steps of: classifying the chloride residue into coarse particles and fine par...  
WO/2017/198846A1
The present invention is in the field of surfactants to extract a platinum group metal or gold, in particular palladium, from organic compositions. In particular, the invention concerns the use of surfactants to back-extract a platinum g...  
WO/2017/193725A1
Provided are a system and method for treating a cadmium-containing solution. The system comprises: a cadmium-containing solution storage apparatus (100); a first conveying pipe (200) connected to the cadmium-containing solution storage a...  
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/2017/193726A1
A solution purification system and method. The system comprises: a solution storage apparatus (100); a first conveying pipe (200) connected to the solution storage apparatus (100); a feed pump 6 (300) connected to the first conveying pip...  
WO/2017/194269A1
The invention relates to a method for producing particulate ruthenium having a purity of ≥ 99.99 wt.% and a specific surface area of 0.2 to 0.5 m2/g, comprising the following steps: (1) providing a hydrochloric acid solution produced b...  
WO/2017/193724A1
Provided are a system and method for treating a copper-containing solution. The system comprises: a copper-containing solution storage apparatus (100); a first conveying pipe (200) connected to the copper-containing solution storage appa...  
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/2017/197417A1
A method of purifying a value metal-containing solution by dividing the solution into a major stream and, at least, two minor split streams, treating each minor split stream with a respective reagent to form a respective value-metal cont...  
WO/2017/191355A1
Present invention relates to method of removing cations from water and process arrangement for performing the method. The method comprises containing cations selected from a group consisting of Se, As, Sb, Cr, Mn, Mo, W, V, Te, P, Si com...  
WO/2017/185159A1
A process for recovering silver from silver-bearing gold concentrate or other silver-bearing material. The process comprises: (i) optionally regrinding the input silver-bearing material; (ii) optionally treating the reground gold concent...  
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/2017/183849A1
The present invention relates to a method for recovering an ITO powder from ITO scrap such that the particle shape of the ITO powder can be changed. According to the present invention, an aqueous solution of indium chloride and tin chlor...  
WO/2017/175525A1
[Problem] To provide a gas supply device with which it is possible to supply bubbles having a small diameter into a liquid in a stable manner. [Solution] A gas supply device 1 for supplying bubbles G into a liquid L, wherein the gas supp...  
WO/2017/175032A1
A method for recovering gold from copper anode slime is provided. The method comprises washing copper anode slime with an acid so as to obtain a slime-acid solution. The method further comprises obtaining a washed copper anode slime from...  
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/2017/162757A1
A process for recycling glass from screens deriving from the disposal of cathode-ray tube television sets with quantitative recovery of the lead in metal form, is described.  
WO/2017/162013A1
Provided are preparation and application methods for an ion blocking and controlling adsorbent. A selective oxidation is performed by adjusting pH, to achieve the purpose of only oxidizing divalent iron into trivalent iron, and the iron ...  

Matches 51 - 100 out of 9,118