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WO/2018/067642A1 |
Apparatus is provided for mineral separation, featuring a mixer configured to mix a mineral bearing ore feed and hydrophobic media particles, the mineral bearing ore feed being crushed and ground and having an ore particle size distribut...
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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...
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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...
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WO/2018/065948A1 |
The present invention relates to a process for desulphurising a material containing PbSO4, which comprises the following steps: (a) reacting said material in water with NaOH to produce an aqueous solution of Na2SO4 comprising a desulphur...
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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...
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WO/2018/061715A1 |
Provided is an oxygen blow pipe which can be effectively inhibited from being corroded and being burned due to high-concentration of oxygen, and can efficiently supply oxygen, during a leaching treatment which is performed using an acid ...
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WO/2018/061714A1 |
Provided is a method for effectively supplying oxygen to a slurry with which a reaction container is loaded, and thereby effectively causing a leaching reaction, during a leaching treatment which is performed using an acid such as sulfur...
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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 ...
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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 ...
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WO/2018/051026A1 |
The invention relates to a new extractant which makes it possible to extract both light rare earths and heavy rare earths from an aqueous phosphoric acid solution, likely to be present in this solution, and which is characterised in that...
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WO/2018/049146A1 |
The invention generally relates to the cultivation and growth of bacterial, fungal and yeast cells on pilot plant and industrial scales and, more particularly, to the cultivation and growth of microbial cells in/on hydrophilic particles ...
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WO/2018/043183A1 |
Provided is a method for recovering scandium as scandium oxide that contains high-quality scandium and in which coarse particles having good handling properties are formed. This method for recovering scandium includes a step for carryi...
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WO/2018/043704A1 |
Provided is a method for efficiently obtaining high-purity scandium oxide from a solution containing scandium. This method for producing high-purity scandium oxide comprises: a first firing step S12 in which an oxalate conversion proce...
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WO/2018/043242A1 |
Provided is a method for producing, from scandium oxalate crystals obtained through an oxalate conversion process, a readily-soluble scandium compound that dissolves easily in an aqueous solution such as an acid. This method for produc...
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WO/2018/043703A1 |
Provided is a method for producing solutions, by which two solutions, namely a high-purity nickel sulfate solution and a mixed solution of nickel sulfate and cobalt sulfate are able to be obtained at the same time from a sulfuric acid ac...
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WO/2018/037154A1 |
The disclosure relates to a method for producing reduced manganese (Mn) pellets (1). The method is characterized in that the method comprises the steps of a)mixing dried manganese sulfate (MnSO4) fraction (2) with binder (3) to form a pe...
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WO/2018/037305A1 |
Disclosed, is a system and method for rapidly leaching copper, in particular, metallic copper in sulfate systems. Embodiments of the system may comprise a first pre-leach stage, and a second mechano-chemical leach stage. The pre-leach st...
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WO/2018/038218A1 |
Metal ions, for example, ions of a metal of the 13 group in the periodic table such as gallium or ions of a lanthanoid metal such as dysprosium are contacted, preferably in a liquid, with an aluminum tolerant yeast such as Schizoblastosp...
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WO/2018/038058A1 |
Provided is a method for efficiently purifying scandium by separating scandium and impurities from an acidic solution which contains scandium and impurities that include iron. A method for purifying scandium according to the present inve...
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WO/2018/033658A1 |
A flotation method for recovering valuable metal containing ore particles from ore particles suspended in slurry is disclosed. In the method, the slurry is treated in an at least one overflow flotation cell (41) and the valuable metal co...
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WO/2018/027266A1 |
A process for converting lithium phosphate into a low-phosphate lithium solution, comprising: Dissolving the lithium phosphate in acid to form a solution; treating the solution with a metal hydroxide to form a precipitate of metal phosph...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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