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WO/2010/150267A1 |
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/2010/146804A1 |
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/2010/105508A1 |
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/2010/103173A1 |
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/2010/069459A1 |
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/2010/060449A1 |
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/2010/050450A1 |
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/2010/035956A2 |
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/2010/012042A1 |
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/2010/012771A2 |
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/2010/000681A2 |
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/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/2009/129559A1 |
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/2009/062177A2 |
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/2009/048363A1 |
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/2009/039580A1 |
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/2009/008121A1 |
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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WO/2009/000051A1 |
A process for the recovery of magnesium from a solution containing soluble magnesium, the process comprising, precipitating magnesium hydroxide from the solution, forming an oxide blend including magnesium oxide derived from the precipit...
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WO/2008/102240A1 |
An electrode of a secondary battery is treated to remove an electrode material adhering to the current collector of the electrode. The electrode is treated by exposing to a stripping agent, which is constituted as an aqueous solution con...
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WO/2008/053460A1 |
The invention provides a process for the production of elemental' magnesium from feed materials containing magnesium oxide and carbon, said process comprising: exposing excess magnesium oxide and carbon to a high temperature reaction zon...
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WO/2008/011788A1 |
A reduction retort (11) used in a vacuum metal refining reduction furnace comprises a retort (12), a condenser (13) arranged on one end of the retort, a charge end shield (14) hermetically connected to the condenser, and a discharge end ...
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WO/2008/005920A2 |
Disclosed are cover gas compositions comprising fluoroolefins for impeding the oxidation of molten nonferrous metals and alloys, such as magnesium. The cover gas compositions typically comprise C2-C6 fluoroolefins. Preferably the compoun...
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WO/2007/113209A2 |
The invention relates to a method for removing small quantities of water and other possible components from alkali metal amalgam. Said alkali metal amalgam is brought into contact with an element which is not soluble in mercury and the r...
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WO/2007/105616A1 |
A method by which a metal-fog-forming metal dissolved in a molten salt comprising a molten salt containing the metal-fog-forming metal can be removed and transferred to another molten salt to heighten the concentration thereof. The metho...
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WO/2007/103083A2 |
In a method of extracting lithium from a lithium bearing mineral, the mineral is reacted with a basic material of sufficient strength to dissolve the mineral, in order to produce a product mixture containing lithium. The lithium is then ...
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WO/2007/100847A2 |
The present invention provides a method for improving the recovery of cesium-131 (Cs-131) from neutron-irradiated barium (Ba) carbonate. The recovery process includes dissolution, precipitation and separation steps, wherein the separated...
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WO/2007/070974A1 |
A process for recovering solid magnesium sulfate hydrate from a source of magnesium sulfate in solution said process including the steps of: (a) providing a source of magnesium sulfate in solution that is derived from part of a process a...
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WO/2007/070973A1 |
A process of recovering magnesium oxide from a source of magnesium sulfate, said process including the steps of: (a) providing a source of magnesium sulfate in solution that is derived from part of a process that is associated with the l...
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WO/2007/064681A2 |
The present invention is directed to a water treatment composition, comprising: calcium hypochlorite coated with a coating comprising at least one hydrated or anhydrous salt. The present invention is also directed to a water treatment co...
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WO/2007/039665A1 |
The invention relates to a method for processing a nickel product from nickel- bearing sulphidic raw materials, such as nickel sulphide concentrate or ore. According to the invention, the raw material is leached in atmospheric conditions...
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WO/2007/035978A1 |
An atmospheric leaching process in the recovery of nickel and cobalt from a lateritic ore, said lateritic ore including a low magnesium ore fraction and a high magnesium ore fraction, said process including the steps of: (a) forming an a...
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WO/2007/026016A1 |
The present invention relates to an activated alkaline earth metal, to a method for its production and the use of the activated alkaline earth metal for the preparation of Grignard compounds and organoalkaline earth metal compounds. For ...
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WO/2006/103944A1 |
In the production of Ti or a Ti alloy by reduction of Ca, a bath salt withdrawn from the step of reduction is electrolyzed, and Ca and the bath salt are recovered as a solid which is then transferred to the step of reduction. According t...
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WO/2006/095653A1 |
A method of extracting a molten metal, etc., in which for efficient production of magnesium for titanium production on which quality demand characteristics are strict, not only can operation be advanced safely but also extraction of molt...
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WO/2006/081605A1 |
A process for the recovery of magnesium oxide from a source containing magnesium salts, said process including the steps of : (a) adding an alkali and sulfur dioxide to the source containing magnesium salts, in a leach step to form a mag...
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WO/2006/079125A1 |
Liquid metal is continuously recovered by condensing metal vapour in a sealed system, more or less at atmospheric pressure, and collecting liquid metal in a crucible. The contents of the crucible are agitated and the temperature is contr...
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WO/2006/053873A1 |
A process for the beneficiation of trona includes supplying a trona feedstream that is crushed and dried. The trona is then separated into a first size fraction and a second size fraction. Impurities are removed from the first size fract...
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WO/2006/016892A2 |
A mixed extractant solvent including calix[4]arene-bis-(tert-octylbenzo)-crown-6 (“BOBCalixC6”), 4',4',(5')-di-(t-butyldicyclo-hexano)-18-crown-6 ('DtBul8C6'), and at least one modifier dissolved in a diluent. The mixed extractant so...
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WO/2006/001700A1 |
A novel process for complete utilization of olivine is based on purification of brine by oxidation and precipitation of iron and nickel compounds.
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WO/2005/124921A1 |
A method of recovering valuable materials from lithium batteries wherein a lithium/transition metal composite oxide is used as a positive electrode active material. In this disposal method, a sheeted positive electrode having a positive ...
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WO2005101564A9 |
A method for treating all types of lithium anode batteries and cells via a hydrometallurgical process at room temperature. Said method is used to treat, under safe conditions, cells and batteries including a metallic lithium anode or an ...
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WO/2005/118891A2 |
Salt composition for protecting, refining and/or recycling molten magnesium or magnesium alloys, whereby the salt composition consists of halogenides of strontium, potassium, cesium or mixtures thereof.
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WO/2005/118895A1 |
The invention relates to a method for recycling lightweight metal parts that contain gas pockets or non-metallic particles. In order to transform different waste products into high-grade products in a technically simple manner without re...
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WO/2005/103309A1 |
METALLOTHERMIC PROCESS FOR MAGNESIUM PRODUCTION is based on heating the batch mixture of calcined dolomite and ferrosilicon up to temperature of about 1200°C under residual pressure less than 670 Pa and condensing the magnesium vapor. T...
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WO/2005/098062A1 |
The invention relates to the methods of extraction of metals, their chlorides, oxides and hydroxides from ultrabasic and basic rocks. This wasteless method include the steps of rock crushing and grinding, subsequent lixiviation in hydroc...
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WO/2005/097670A1 |
The present invention relates to methods, compositions and systems for producing hydrogen from water involving reacting metal particles with water in the presence of an effective amount of catalyst. In particular the invention pertains t...
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WO/2005/094289A2 |
Cyclical batch processes for halogenation, such as chlorination, of minerals in a fixed bed (12, 42, 62, 82) using a plurality of cycles which include the steps of at least partially evacuating the bed, charging the bed (12, 42, 62, 82) ...
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WO/2005/093107A1 |
A process for recovering a target metal from an oxidised metalliferous material comprises the steps of: - in a leaching stage, leaching the oxidised metalliferous material with an acidic aqueous halide solution to leach the target metal ...
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WO/2005/083135A1 |
A mixed molten salt containing CaCl2 and NaCl is held in reaction vessel (1) at 600°C or below. Not only Na but also TiCl4 as a raw material for Ti is introduced in the reaction vessel (1). Na having been introduced in the reaction vess...
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WO/2004/106564A2 |
A method for recovering at least one metallic element from ore or other material is described and includes reacting ore or other material with a salt capable of recovering the metallic element from the ore or other material to form a rea...
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