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WO/2011/048927A1 |
A wet smelting plant for nickel oxide ore that comprises a plurality of series of processing facilities is provided in which, even when a serious trouble occurred somewhere in the processing facilities, it is possible to minimize the red...
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WO/2011/036345A1 |
The invention relates to a method for recovering nickel and cobalt from laterite. According to the method, the laterite is treated with a two-step atmospheric process by employing concentrated sulphuric acid and sulphur dioxide as reagen...
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WO/2011/035916A1 |
The invention concerns a recycling process for recovery of metals from HEV (hybrid electric vehicles) or EV (electric vehicles) batteries. More particularly, a process is disclosed for the recovery of Ni and/or Co from electric or hybrid...
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WO/2011/035915A1 |
The invention concerns a recycling process for recovery of metals from Li-ion batteries. More particularly, an autogeneous process is disclosed for the recovery of Co from Li-ion batteries also containing Al and C, comprising the steps o...
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WO/2011/029172A1 |
There is provided a method of treating a metalliferrous material, comprising: providing a metalliferrous material including at least one target metallic element; solubilising the metalliferrous material so as to effect production of an i...
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WO/2011/027094A1 |
A nickel recovery process usable for instance with electro less plating waste The process including reacting the waste material with dimethylglyoxime to form an intermediate complex nickel dimethylglyoxime and a nickel depleted waste mat...
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WO/2011/018550A1 |
The invention relates to a method for leaching an ore containing copper and cobalt in a reactor, where the copper and cobalt minerals of the ore are mainly oxidic and partially sulphidic. The copper and cobalt of the ground ore are leach...
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WO/2011/015991A2 |
A process is described for leaching a value metal from an iron-containing ore, the process including the steps of leaching the ore in an acidic sulfate solution so as to form an iron-sulfate salt in a leach solution; adding sulfur dioxid...
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WO/2011/014930A1 |
A method for leaching cobalt from a non-lateritic oxidised cobalt ore, the method comprising the method steps of: curing the non-lateritic oxidised cobalt ore to be leached through the application of an aqueous solution of a cobalt reduc...
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WO/2011/006223A1 |
A method for recovering base metal values from oxide ore is provided, where the ore includes a first group metal selected from nickel, cobalt and copper. The method includes reducing ore particle size to suit the latter unit operation, f...
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WO/2010/150873A1 |
Disclosed is a method for efficiently and economically separating and recovering elements, such as copper, that coexist in scrap iron, wherein scrap iron is melted and the molten product of scrap iron obtained is brought into contact wit...
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WO/2010/143623A1 |
A method for water and metal recovery from a plating wastewater resulting from washing is disclosed with which water and metals are efficiently recovered from the plating wastewater, the method comprising an iron insolubilization step in...
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WO/2010/135819A1 |
The invention provides, in part, a process for extracting nickel from a source material including iron and nickel, by contacting the source material (e.g, an ultramafic ore) with an aqueous ammonia solution containing an iron-complexing ...
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WO/2010/118455A1 |
A method for the treatment of mixed hydroxide product (MHP) (10) produced in a metal extraction process such as a nickel extraction process. The method comprises the steps of treating the MHP (10) with a first acid solution (12) at a pH ...
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WO/2010/103913A1 |
Provided is a method for removing manganese from a sulfuric -acid-acidified wastewater containing aluminum, magnesium, and manganese by selective precipitation of manganese while inhibiting the precipitation of magnesium. Specifically pr...
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WO/2010/094161A1 |
A method for extracting valuable metals from laterite-nickel ore with whole closed-loop circulation of hydrochloric acid is provided. The method includes the following steps: crushing the laterite-nickel ore, leaching chloride under heat...
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WO/2010/092863A1 |
Disclosed is a nickel alloy sputtering target, which enables the formation of a thermally stable silicide (NiSi) film, and does not easily cause aggregation of films nor excess silicidation. The nickel alloy sputtering target is reduced ...
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WO/2010/090176A1 |
Disclosed is a method for collecting nickel from an acidic sulfuric acid solution that contains nickel and cobalt, as well as impurity elements such as iron, aluminum and manganese. The method is characterized by comprising the following...
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WO/2010/085857A1 |
A method of agglomerating a nickel laterite ore comprising the steps of: i) feeding a nickel laterite ore material to be agglomerated into an agglomeration circuit; and ii) adding a sulfuric acid containing agglomerating solution to the ...
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WO/2010/078787A1 |
A beneficiation process for enriching nickel and/or cobalt involves the steps of dividing nickel laterite into limonite type ore and serpentine type ore to beneficiate separately; classifying by screening at least one time after washing ...
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WO/2010/076030A1 |
This disclosure concerns a process for the recovery of PGM from the cobalt-based, PGM-bearing alloys that are typically obtained after smelting spent GTL catalysts. The process comprises the steps of: - powdering the alloy to a mean part...
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WO/2010/064143A2 |
The present disclosure is directed towards systems and methods for the treatment of wastewater. A system in accordance with one particular embodiment may include a vacuum filter band system configured to receive a saturated ion exchange ...
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WO/2010/061045A1 |
The invention relates to a method for processing laterite ores so that the metals contained in the laterites are turned into water-soluble form for the recovery of valuable metals, such as nickel and cobalt. Different types of nickel lat...
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WO/2010/060144A1 |
A method for separating nickel containing lateritic ore into limonite and saprolite fractions, the method including the steps of : (a) providing said lateritic ore in particulate form; (b) forming a slurry of said particulate ore; (c) su...
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WO/2010/051992A1 |
A process of complete recovery of metals and acids from solutions and sludge polluted with metals coming from stainless steel works is disclosed. Volatile acids are recovered from exhausted pickling solutions through distillation in pres...
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WO/2010/037169A1 |
This invention relates to a process for extraction of mined material including the steps of draining liquid from the mined material, and adding metal-binding particles to the drained liquid. The process is particularly well adapted for e...
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WO/2010/032513A1 |
A method of nickel concentration is provided which is inexpensive and simple and is reduced in environmental burden. By using the method, saprolite ore of a low nickel grade, which has not hitherto been effectively used as a raw materia...
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WO/2010/031137A1 |
A Hydrometallurgical method for leaching base metals, said method comprising the method steps of: i) combining an oxide ore material with a sulphide ore or concentrate in the presence of acid to form a slurry; and ii) leaching the slurry...
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WO/2010/022481A1 |
The method for extraction of nickel and cobalt from oxide ores comprises the steps of: pulp of ore and sulphuric acid solution is subjected to treatment in the cathode compartment of an electrolytic cell maintaining oxidation reduction p...
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WO/2010/020245A1 |
A method for the sulphuric acid leaching of nickel and cobalt from a lateritic ore comprising the steps of separating the nickel- and cobalt-containing lateritic ore into a limonite fraction and a saprolite fraction, subjecting part of t...
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WO/2010/021600A1 |
The present invention generally relates to compositions and methods comprising polyoxometalates (POMs). In some cases, a reduced form of a POM may be formed via electrolysis in the presence of essentially no supporting electrolyte. The r...
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WO/2010/018815A1 |
The object aims to produce a purified material from a material containing a metalloid element (e.g., silicon) or a metal element as the main component and also containing impurities with high efficiency. Disclosed is a method for purifyi...
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WO/2010/000029A1 |
A process for the recovery of nickel and cobalt from a nickeliferous oxidic ore by heap leaching and/or atmospheric agitation leaching, the process including the steps of: mixing a sulfur containing reductant selected from reductants tha...
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WO/2010/001728A1 |
Provided is a method for quickly separating radioactive copper from nickel containing radioactive copper and radioactive cobalt. The nickel that contains radioactive copper and radioactive cobalt is dissolved in an acidic solution and pa...
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WO/2009/155652A1 |
A process for the recovery of a metal sulfide from a metal ion containing solution, including the steps of: a) providing a slurry containing seed particles of said metal sulfide; b) adding a sulfide ion containing solution to said slurry...
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WO/2009/155651A1 |
A process for the treatment of a solution containing at least ferric ions, and one or more metal values, said process including the step of maintaining a controlled concentration of ferric ions in solution for a sufficient residence time...
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WO/2009/152560A1 |
A heap leach process for the recovery of nickel and/or cobalt from a laterite ore, said process including the steps of : a) providing one or more heaps of a nickeliferous laterite ore; b) leaching the ore in a heap leach step by applying...
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WO/2009/152587A1 |
A process for the recovery of nickel and/or cobalt from a nickel and/or cobalt containing solution comprising: (i) contacting the nickel and/or cobalt containing solution with metallic particles of at least one metal that is more electro...
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WO/2009/153409A1 |
The invention relates to a method for leaching pyrometallurgically produced, copper-containing sulfidic nickel matte. The nickel matte is first fed to an atmospheric leach step from which is obtained a nickel-bearing solution and a coppe...
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WO/2009/149521A1 |
A hydrometallurgical method for leaching a base metal in a combined pressure acid leach comprises the steps of combining a sulphide ore (14) or concentrate with a laterite or other oxide ore (16) and mixing them together to form a slurry...
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WO/2009/089613A9 |
A process for recovering metals such as Ni, Co, Mn, Cu, Zn, among others, through precipitation as sulphides, enabling recovery of magnesium in the form of hydroxide, carbonate and oxide and providing recovery of sulphate as gypsum and a...
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WO/2009/151147A1 |
Provided is a process for recovering high-purity, nickel, cobalt, molybdenum, and vanadium from a waste catalyst by a simple means in a high yield. The process comprises the step of heating a waste catalyst containing valuable metals in...
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WO/2009/146518A1 |
The present invention resides in a process of recovering nickel and cobalt, regenerating the main raw materials, said process including the steps of: granulometric separation; leaching; neutralization; MHP production in only one stage an...
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WO/2009/132558A1 |
A method of extracting Ni and/or Co comprises: atmospheric agitation leaching limonite-type ore at heated state to avoid slow velocity of heap leaching, and heap leaching serpentine-type ore to obtain higher leaching velocity.
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WO/2009/129653A1 |
A metallurgical process for extracting Ni, Co, Fe from laterite-nickel ore is disclosed. It concerns a comprehensive recovery and utilization of laterite-nickel ore, comprising the following steps: A) subjecting the laterite-nickel ore t...
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WO/2009/127053A1 |
A method for producing metal oxide from a metal salt selected from nickel hydroxide, cobalt hydroxide, mixed nickel-cobalt hydroxide, nickel carbonate, cobalt carbonate, mixed nickel-cobalt carbonate and combinations thereof includes pro...
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WO/2009/114903A1 |
A process for the recovery of nickel and/or cobalt from a sulfate solution that also contains iron wherein a substantial proportion of the iron present is in the ferrous state, said process including the steps of: a) oxidising the majori...
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WO/2009/114904A1 |
An atmospheric leaching process for the recovery of a nickel and cobalt from a lateritic ore, said process including the steps: (a) preparing a slurry of the lateritic ore with saline or hypersaline water having a total dissolved solids ...
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WO/2009/103850A1 |
The invention relates to a method for separating the impurities zinc, iron, calcium, copper and/or manganese from aqueous solutions that contain cobalt and/or nickel. An aqueous solution (1) containing metallic salts is brought into a mi...
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WO/2009/100602A1 |
A method for extracting Ni and Co from laterite using hydrochloric acid comprises: mining, preparing ore, leaching ore, separating, recovering leach residues, precipitating Ni from leach solution, calcining, and regenerating and recyclin...
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