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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In the production of Ti or a Ti alloy by reduction of Ca, a bath salt withdrawn from the step of reduction is electrolyzed, and Ca and the bath salt are recovered as a solid which is then transferred to the step of reduction.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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WO2001034858A9 |
A carbothermal process for the production of metals such aluminium, silicon, magnesium and the like from metal compounds, characterised in that the metal compound(s) such as oxide(s) or hydroxides are heated by combustion gases and inter...
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WO/2004/090177A1 |
This invention relates to a method for preventing the ignition of molten reactive metal by contacting the molten metal with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroke...
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WO/2004/086279A1 |
This invention relates to a method for generating pollution credits while processing molten magnesium, aluminum, lithium, and alloys of such metals by contacting the molten metal or alloy with a gaseous mixture comprising a fluorocarbon ...
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WO/2004/066338A1 |
An alkali metal generating agent (1) for use in forming a photoelectric surface emitting a photoelectron corresponding to an incident light or a secondary electron emission surface emitting a secondary electron corresponding to an incide...
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WO/2004/066339A1 |
An alkali metal generating agent (1) for use in forming a photoelectric surface emitting a photoelectron corresponding to an incident light or a secondary electron emission surface emitting a secondary electron corresponding to an incide...
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WO/2004/066337A1 |
An alkali metal generating agent (1) for use in forming a photoelectric surface emitting a photoelectron corresponding to an incident light or a secondary electron emission surface emitting a secondary electron corresponding to an incide...
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WO/2004/063406A2 |
The invention relates to a method for producing a metal foam body, according to which a molten material containing gas is prepared and said molten material is left to solidify, thus forming a metal foam body. The aim of the invention is ...
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WO/2004/038047A1 |
A method of reclaiming magnesium from post consumer scrap and/or secondary magnesium turnings by feeding the post consumer scrap and/or secondary magnesium turnings into a rotary tray dryer (24) and subjecting the post consumer scrap and...
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WO/2004/020679A1 |
The invention relates to a device (8) which is used to inject a treatment gas into a molten metal contained in a tank (1) and which is designed to be fixed in one of the walls of said tank. The inventive device comprises at least one inj...
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WO/2004/013360A1 |
A salt furnace is receivable within a vessel which contains molten magnesium/magnesium alloy. The salt furnace comprises a body for isolating a salt melt within the salt furnace from molten magnesium/magnesium alloy in the vessel and thr...
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WO/2003/062492A1 |
Zirconium sponge can be chemically depassivated by treatment with hydrofluoric acid to improve the ability of molten magnesium/magnesium alloy to dissolve zirconium from the treated zirconium sponge and to form a melt containing substant...
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WO/2003/048398A1 |
A method of condensing metallic vapour which includes the steps of directing a stream of the vapour into a sealed condenser which includes a receiving crucible; controlling the temperature inside the crucible so that the vapour condenses...
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WO/2003/035917A2 |
A method, that enables the processing and recycling of magnesium-containing scrap, primarily the highly flammable scrap with large surface-to-volume ratio, (clips, flashing, turnings, chips), by way of melting, whilst maintaining a suita...
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WO/2003/033748A1 |
Magnesium alloys are heated to a molten state in preparation for hot-working thereof, for example, die-casting. The presence of inclusions within the magnesium alloys results in metallurgical defects therein and will adversely affect the...
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WO/2003/020989A1 |
An improved method and apparatus for recovering metal values from Electric Arc Furnace (EAF) dust, particularly zinc and iron values, by mixing EAF dust and carbonaceous fines to form a particulate mixture; heating the mixture at a suffi...
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WO/2002/101309A1 |
The continuous thermal extraction melting unit is composed by a charging hopper (1) that is equipped of system of hydraulic closing (2). The native mineral, through the duct (3), reaches the cochlea of feeding (4) so to be fed in the dis...
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WO/2002/100577A1 |
The invention provides an electric furnace for the production of magnesium alloys comprising a working chamber (1a) made in the form of a lined cylinder (6) with a horizontal symmetry axis and two adjacent heads (8), said heads having a ...
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WO/2002/048036A1 |
A method is described for extraction of silica and magnesium compounds, by chemical and thermal treatment of the mineral olivine. The method comprises sulphating of olivine, where olivine is mixed with concentrated sulphuric acid at a we...
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WO/2002/034954A2 |
The present invention is concerned with a method for extracting selectively a metal from a metal mixture in the gaseous phase. The method comprises heating the metal mixture to vaporize the metal; condensing the metal contaminants presen...
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WO/2002/033137A1 |
The invention concerns a rotary injector for injecting gas (2) in a liquid metal (3), said injector comprising a drive shaft, stirring means, gas circulating means, gas (2) emitting means (8, 9). Said injector is characterised in that th...
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WO/2002/023651A1 |
The method relates to a pyrometallurgical and hydrometallurgical process for the recovery and recycling of lithium and vanadium compounds from a material comprising spent rechargeable lithium batteries, particularly lithium metal gel and...
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WO/2002/012575A2 |
The invention relates to a method for protecting the surface of a magnesium melt, or a melt of an alloy with magnesium, whereby a protective layer is placed on the surface of the melt. The method is characterised in that carbon dioxide i...
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WO/2002/000953A1 |
Feed material for use in producing a thixotropic alloy comprisingpellets (10) in the form of a solid cylinder having a length to diameter ratio in the range of from 1:1 to 2:1 and a maximum length of preferably 0.250 inch. In addition, t...
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WO/2001/083836A2 |
This invention relates to a method for preventing the ignition of molten magnesium by contacting the molten magnesium with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroket...
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WO/2001/080251A2 |
The invention relates to a process for separating and purifying multi-curie quantities ?90¿Y of sufficient chemical and radiochemical purity suitable for use in medical applications without a series of ?90¿Sr selective extraction chrom...
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WO/2001/077396A1 |
A process for continuous vacuum purification of a molten metal, which comprises agitating a molten metal (1) in a melt agitation portion (B) in a vacuum treatment chamber having a reduced pressure and being preheated, to thereby vaporize...
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WO/2001/077021A1 |
The main and commercial minerals of strontium are celestite and strontiyanite. The most common of these two minerals is celestite, which is strontium sulfate. The other mineral is mainly strontium carbonate and its occurrence is rare. Th...
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WO/2001/068947A1 |
An electrolytic cell for the production of chlorine and an alkali metal from a fused chloride electrolyte comprising at least one graphite rod anode, a concentric cylindrical cathode (14) surrounding each anode, a rigid cylindrical diaph...
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WO/2001/047876A1 |
The subject invention provides a method for the efficient production of high purity xanthates. The method comprises (a) mixing aluminium with an alkali metal salt; (b) heating said mixture until an exothermic reaction is achieved, whereb...
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WO/2001/029287A1 |
A system (10) for producing elemental magnesium from seawater having a cell with a pair of permeable membranes (30a, 30b) which define an anodic compartment (24) with an anode (28) therein and a cathodic compartment (22) with a cathode (...
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WO/2001/023067A1 |
Compositions and methods for selectively binding metal ions from source solutions are disclosed. The compositions include 1) polyamide-containing ligands covalently bonded to a particulate solid support, and 2) polyamide-containing polym...
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