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WO/2012/058684 |
A method for recovering and extracting lithium from a feed liquid (110) that may have a mixture of lithium and non-lithium salts present in the feed liquid. Salts of varying solubility are precipitated (120) out of the feed liquid (110) ...
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WO/2012/050317 |
Valuable metals such as cobalt, nickel, manganese, and lithium can be economically recovered from various lithium secondary battery-related wastes by the inventive method which comprises liquid-phase leaching a scrap powder containing Co...
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WO/2012/042714 |
To provided a method for recovering lithium from a lithium ion battery using comparatively simple equipment and without using a cumbersome process. A lithium extraction method for extracting lithium from the positive electrode material o...
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WO/2012/024746 |
The invention relates to a process for conditioning material for pyrometallurgical conversion to magnesium, the process comprising carrying out de-su'fation of the material in a slurry to reduce sulfur content of the material; and carryi...
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WO/2012/026061 |
A valuable-metal recovery method for recovering metals from lithium-ion batteries without using cumbersome steps and using comparatively simple equipment. A positive-electrode material containing a lithium/transition-metal composite oxid...
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WO/2012/019265 |
A method for treating liquid effluents and recovering metals is described, which comprises the steps of: a) liquid effluent equalization; b) sulphide addition and precipitation of metals in the form of metal sulphides; c) solid/liquid se...
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WO/2012/019521 |
A method for preparing metal magnesium and magnesium-aluminium spinel with active magnesia and aluminium or an aluminium alloy as raw materials, comprising the following steps: (1) calcinating magnesite or brucite, and grinding to obtain...
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WO/2012/005545 |
The present invention relates to a method of extracting lithium from a lithium bearing solution. More specifically, the present invention provides a method of economical extraction of lithium from a lithium bearing solution by adding a p...
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WO/2012/005545 |
The present invention relates to a method of extracting lithium from a lithium bearing solution. More specifically, the present invention provides a method of economical extraction of lithium from a lithium bearing solution by adding a p...
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WO/2012/005548 |
The present invention relates to a method of economical extraction of magnesium, boron and calcium, while minimizing the loss of lithium, from a lithium bearing solution. More specifically, the present invention provides a method for eco...
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WO/2012/005548 |
The present invention relates to a method of economical extraction of magnesium, boron and calcium, while minimizing the loss of lithium, from a lithium bearing solution. More specifically, the present invention provides a method for eco...
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WO/2011/153683 |
A method for producing metallic magnesium by vacuum circulating silicothermic process and apparatus thereof. The method comprises the following steps: passing molten ferrosilicon (109) of 1350～1600℃ and magnesium ore powder containin...
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WO/2011/148040 |
The invention relates to a method for thermally processing α-spodumene, i.e. lithium aluminum silicate, by which treatment it is transformed into β-spodumene, which is more advantageous for further processing; in the method, concentrat...
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WO/2011/135991 |
Disclosed is a valuable metal recovery method that has excellent valuable metal selectivity and recovery efficiency, and furthermore is capable of reusing materials that were used in the recovery of a valuable metal. The valuable metal r...
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WO/2011/132282 |
A lithium recovery device is provided with which, when lithium is separated and recovered, high-purity lithium can be efficiently recovered and which can be easily and cost-effectively scaled up to an industrial level. The lithium recove...
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WO/2011/127672 |
A method for producing metallic magnesium by vacuum reduction comprises the following steps: calcining dolomite, magnesite, brucite and limestone respectively, compounding MgO and CaO thereof in a molar ratio of more than 1, grinding and...
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WO/2011/113866 |
The invention refers to a process to separate silicates and alkaline earth metal carbonates implementing at least one hydrophobically modified polyalkyleneimine, wherein: i)the polyalkyleneimine is hydrophobically modified by replacement...
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WO/2011/115660 |
The present invention relates to a method of recovering rhenium (Re) and other metals from Re-bearing materials including, as an exemplary process, the steps: (i) adding Re-bearing materials into a leaching slurry; (ii) adjusting the pH ...
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WO/2011/115660 |
The present invention relates to a method of recovering rhenium (Re) and other metals from Re-bearing materials including, as an exemplary process, the steps: (i) adding Re-bearing materials into a leaching slurry; (ii) adjusting the pH ...
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WO/2011/104798 |
Provided is a valuable-metal recovery method for recovering metals from lithium ion batteries using comparatively simple equipment and without using a cumbersome process. In said method, a positive electrode material from lithium ion bat...
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WO/2011/103540 |
A process of producing magnesium metal includes providing magnesium carbonate, and reacting the magnesium carbonate to produce a magnesium-containing compound and carbon dioxide. The magnesium-containing compound is reacted to produce ma...
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WO/2011/051674 |
The present invention concerns the condensing of vapour phase compounds or elements, typically metals such as magnesium, obtained by reduction processes. These include metallothermic and carbothermic processes. There is described a metho...
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WO/2011/051674 |
The present invention concerns the condensing of vapour phase compounds or elements, typically metals such as magnesium, obtained by reduction processes. These include metallothermic and carbothermic processes. There is described a metho...
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WO/2011/045431 |
The invention relates to a method for recovering lithium from a starting material comprising lithium. According to the invention, the starting material is heated with carbon in a reactor by carrying out direct inductive heating of the ca...
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WO/2011/035915 |
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/2011/035916 |
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/2011/020181 |
Calcium (Ca), manganese (Mn) and magnesium (Mg) carbonate plus lead (Pb) and zinc (Zn) sulphide minerals in a permeable host, crushed ore, concentrates or as mine discharge tailing are selectively solution mined (in-situ or ex-situ) with...
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WO/2010/150267 |
A method for the production of KNO3 from polyhalite is provided. The method comprises steps of decomposing said polyhalite into syngenite, gypsum, and soluble components, treating the solid decomposition products sequentially with HNO3 a...
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WO/2010/146804 |
This invention aims to provide a recycled magnesium alloy having a good corrosion resistance and a process for producing the same. The process of the present invention comprises an adjusting step of adjusting composition of molten metal ...
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WO/2010/105508 |
A method for extracting lithium salt from low-magnesium/lithium ratio brine of saline with calcium circulation solid-phase conversion process, comprising the following steps: concentrating brine, removing magnesium by using lime milk, se...
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WO/2010/103173 |
The invention relates to a method for purifying impure lithium bicarbonate by means of a cation exchange resin. In addition to solution purification by ion exchange, the treatment stages include the regeneration of impurity metals bound ...
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WO/2010/069459 |
A method and a system for recovering a metal or metal alloy from scrap material, which contains further substances with a higher melting point than that of the metal or metal alloy, are provided, whereby the scrap material is first prehe...
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WO/2010/060449 |
The invention relates to a method for recapturing metals or metal alloys from scrap materials comprising materials having higher melting points, by heating the scrap material above the melting point of the metal to be recaptured or the a...
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WO/2010/060449 |
The invention relates to a method for recapturing metals or metal alloys from scrap materials comprising materials having higher melting points, by heating the scrap material above the melting point of the metal to be recaptured or the a...
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WO/2010/050450 |
Disclosed is a laser refining apparatus comprising: a stage which is placed in a process chamber and on which an oxidized compound is to be mounted; an irradiation means for irradiating the oxidized compound mounted on the stage with a l...
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WO/2010/035956 |
The present invention relates to a lithium recovery device comprising a separator reservoir and manganese oxide, a lithium recovery method using the same, and a lithium adsorption/desorption system. The separator reservoir includes a vac...
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WO/2010/035956 |
The present invention relates to a lithium recovery device comprising a separator reservoir and manganese oxide, a lithium recovery method using the same, and a lithium adsorption/desorption system. The separator reservoir includes a vac...
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WO/2010/012771 |
In-situ solution mining method of an ore bed, particularly containing trona, which comprises exposing to a solvent an ore region inside a borehole drilled in the ore, and dissolving a desired solute within the exposed region to provide a...
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WO/2010/012042 |
A process for the production of a metal which comprises: carbothermal reduction of the corresponding metal oxide to produce a mixed gas stream comprising the metal and carbon monoxide; maintaining the mixed gas stream at a suitably eleva...
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WO/2010/000681 |
The invention relates to a mobile energy carrier with which energy in the form of materials from zones distributed widely throughout the world, for example with a large amount of solar energy, wind energy or other CO2-neutral energy, for...
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WO/2010/000681 |
The invention relates to a mobile energy carrier and energy store in the form of elemental metal, said metal being lithium. The invention further relates to the use of an oxygen compound of an electropositive metal as the starting materi...
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WO/2009/129559 |
A process of grain refining magnesium metal or magnesium based alloy including the step of a} providing a melt of the magnesium metal or magnesium based alloy, said melt Including a Vanadium metal containing grain refining agent In an am...
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WO/2009/089613 |
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/2009/089613 |
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/2009/089613 |
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/2009/062177 |
A process of producing high purity trona concentrate includes crushing a mined raw trona (14) to form a crushed raw trona, and separating the crushed raw trona into at least two size fractions (16), wherein a first size fraction is large...
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WO/2009/062177 |
A process of producing high purity trona concentrate includes crushing a mined raw trona (14) to form a crushed raw trona, and separating the crushed raw trona into at least two size fractions (16), wherein a first size fraction is large...
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WO/2009/048363 |
In a metallurgical process for producing liquid Mg, dolomite is burnt to give a mixed oxide CaO MgO and a production furnace (11) is charged with this mixed oxide together with an FeAl alloy and gaseous Mg is withdrawn from the furnace a...
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WO/2009/039580 |
A process for producing a stable metal sulfate product including the steps of : a) providing a source of metal sulfate crystals; b) adding a sub-stoichiometric amount of a stabilising compound to the metal sulfate crystals to form a past...
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WO/2009/008121 |
A process and apparatus for production of metallic calcium for use in the production of metallic titanium through reduction of a titanium compound; especially a process and apparatus for efficient production of high-purity metallic calci...
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