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WO/2006/029444 |
A separation apparatus comprising, a series of compartments (100, 200, 300, 400) for holding particulate separation material, arranged so as to allow fluid (24) to flow through the compartments in a primary direction from a first compart...
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WO/2006/026819 |
A pressure leaching system for use in a leaching operation including: at least one reaction zone for receiving a slurry of material to be leached from a slurry source, the reaction zone being disposed relative to the slurry source such t...
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WO/2006/027412 |
The invention is a novel process arrangement for producing pure zinc chemicals from the minor flow of a calcining-dissolving-electrolysis type of a preparation process of zinc. The invention is based on the fact that part of the producti...
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WO/2006/021342 |
The invention relates to calix[4]arenes, which tightly bind alkaline ions (Na+, K+) and transport the same over phase boundaries, the production and use thereof.
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WO/2006/016892 |
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/2006/013568 |
The present invention deals with hydrometallurgical process for the extraction of non-ferrous precious metals originating from electronic waste, mineral earth, mineral materials. The process includes reacting the dust like fraction of cr...
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WO/2006/010169 |
A method for optimizing a bioleaching process, at least in respect of heat generation and primary copper sulphide leaching, by actively monitoring and controlling inorganic and organic compounds in a raffinate solution, produced in the p...
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WO/2006/007666 |
Disclosed is a solid/liquid reaction process comprising the steps of: a) forming a slurry of a solid and a solution containing a species (SA) reactive with the solid and convertible to a species in the gas phase (SG); b) conducting a rea...
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WO/2006/010170 |
A method of operating a tank bioleaching process of a concentrate, which includes the step of supplying carbon in a non-gaseous form to microbial cells used in the process.
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WO/2006/006497 |
An indium adsorbing agent which comprises, as a primary component, an anion-exchange resin having a cross-linked structure formed by the copolymerization of styrene or acrylonitrile and divinyl benzene and anyone of a quaternary ammonium...
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WO/2006/000098 |
A process for leaching laterite ores containing limonite and saprolite in a two stage process. The first stage consisting of mixing and reacting the ore with concentrated mineral acid, and the second stage consisting of preparing a slurr...
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WO/2006/000020 |
A method for the leaching of base metals from oxide ores, the method characterised by the method steps of: a) Separating the ore to be leached into fine and coarse fractions or streams; b) Leaching the coarse fraction of the ore in a lea...
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WO/2006/001700 |
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/2005/123971 |
There is provided a process for removing metal from solution wherein a solution comprising a metal is contacted with a scavenger support, whereby the scavenger support binds to at least some of the metal in solution thereby decreasing th...
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WO/2005/124921 |
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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WO/2005/123308 |
A copper-containing tin powder, characterized in that it is produced by a method comprising using a copper powder as a starting material and employing a wet substitution process and contains residual copper in an amount of 30 wt % or les...
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WO/2005/120677 |
The invention relates to a method and apparatus with which an organic solution that is slightly soluble in water is scrubbed of aqueous entrainment and impurities. In particular, the organic solution may be the organic extraction solutio...
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WO/2005/120676 |
The invention relates to a method and apparatus with which the aqueous solution from liquid-liquid extraction in the hydrometallurgical recovery of metals is purified from droplets of organic extraction solution. The aqueous solution is ...
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WO/2005/118894 |
A method of leaching copper from copper sulphide-containing concentrates, such as chalcopyrite, includes using pyrite as a catalyst for ferric reduction in order to eliminate passivation of the chalcopyrite surface, the process being car...
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WO/2005/116281 |
A method of recovering nickel or cobalt which comprises: a step in which a first oxide ore (oxide ore (102a)) and a second oxide ore (oxide ore (102b)) having a higher magnesium content than the first oxide ore are prepared as oxide ores...
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WO/2005/116279 |
In a solvent extraction step, the nickel and cobalt contained in a neutralized liquid 113 are separated into a nickel sulfate solution 130 and a cobalt sulfate solution 132 with an organic solvent 134 as an extractant. These solutions ar...
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WO/2005/113845 |
A process for recovering nickel from a solid feed material containing nickel in the form of millerite is disclosed. The process includes treating a slurry of the solid feed material and a process solution so that all or at least part of ...
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WO/2005/108630 |
An interlaced series parallel configuration for the extraction of metal values from an metal value containing aqueous is a special series parallel configuration wherein the stripped organic is first contacted in a second extraction stage...
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WO/2005/108303 |
The invention relates to a method for eliminating uranium(VI) species from waters by means of slightly basic polyacryl-based anion exchangers, said uranium(VI) species being provided in the form of uranyl complexes as dissolved uranyl.
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WO/2005/106053 |
Improved methods for treating metallurgical compositions involve reacting a metallurgical composition with an aqueous nitric acid solution. The reaction is performed at a pressure or at least about 220 psig and at a temperature of at lea...
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WO/2005/106051 |
The invention relates to a method for recovering gold from an intermediate product or residue containing sulphur and iron generated in the leaching of a copper raw material in connection with the hydrometallurgical production of copper. ...
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WO/2005/106052 |
The invention relates to a method for recovering gold from an intermediate product or residue containing sulphur and iron generated in the leaching of a sulphidic raw material. The recovery of gold and the other valuable metals in the ra...
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WO/2005/103308 |
A method for extraction with a solvent wherein copper is separated and recovered from an aqueous chloride solution containing copper and elements coexisting with copper, characterized in that it comprises a first step of adjusting the ch...
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WO/2005/100621 |
Due to its ability to activate small molecules, palladium is increasingly used mainly in catalysis. For example in 2002 the world demand for Pd for the production of catalytic converters for motor vehicles was 64% of the total, equal to ...
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WO/2005/099782 |
A composition of matter comprising intercalated composite particles comprising a layered host material intercalated with a metal ion sequestrant having a stability constant greater than 1015 with iron (III), wherein said sequestrant is n...
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WO/2005/100622 |
Process for recovering catalytic coating material from catalytic converters, catalytic material or catalytic assemblies where the catalytic coating material is bonded to a metal supporting structure, the process being carried out by cont...
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WO/2005/098062 |
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/2005/098060 |
In a step b (a leaching step), a slurried ore (104) is leached with sulfuric acid (105), to form a sulfuric acid leached solution (108) containing nickel and cobalt and a leaching residue (109). The leaching residue (109) contains natroj...
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WO/2005/098092 |
Precious metals can be selectively removed from a solution containing an excess of base metals by electrolysis in a divided cell. This necessitates controlling the pH of the solution, and controlling the voltage applied to the electrodes...
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WO/2005/097670 |
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/2005/093107 |
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/2005/090619 |
A process for producing titania from a solid, iron-containing titaniferous material (such as ilmenite) is disclosed. The process includes a first step of treating iron-containing titaniferous material under conditions that reduce ferric ...
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WO/2005/087375 |
A method for recovering a wash coat carrying a noble metal component from a catalyst device having a metal carrier, which comprises treating the catalyst device having a metal carrier provided with a wash coat and, carried thereon, a cat...
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WO/2005/084774 |
A separation and up-concentration of mutually replaceable components from partially miscible phases is realized by a successive contacting of a transfer phase with concentration phases containing the easiest replaceable component. After ...
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WO/2005/085483 |
A method for leaching or dissolving metals from a metal containing material is described. According to this method the metal containing material is brought into contact with a mixture comprising three different chemicals i.e. a solution ...
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WO/2005/083131 |
The invention provides novel extractants for palladium which bring about enhancement in the extraction speed as compared with the extraction with DHS (which is one of the current extractants) and a process for the separation and recovery...
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WO/2005/080031 |
Apparatus (10) for producing silver nano-particle material (12) comprises a furnace (16) and a crucible (24) positioned within the furnace (16), the crucible (24) containing a quantity of precursor material (14), the furnace (16) heating...
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WO/2005/079983 |
A method for obtaining a material containing recovered molybdenum for use in the preparation of a catalyst from a molybdenum-containing material containing at least molybdenum, A element (phosphorus and/or arsenic) and X element (at leas...
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WO/2005/078145 |
A process of producing aluminium and aluminium-containing materials from a solid aluminium-containing feed material is disclosed. The process comprises leaching the aluminium-containing feed material with a leach liquor and forming an aq...
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WO/2005/074651 |
The invention provides methods of remediating lead and other heavy metals in ammunition traps and shooting ranges. One or more remediation agents is added to a trap or a shooting range. The remediation agents) interact with and 'fix' hea...
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WO/2005/073415 |
A process for the separation of cobalt and/or manganese from impurity elements selected from one or more of calcium and magnesium contained in a leach solution, the process comprising the step of subjecting the leach solution to solvent ...
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WO/2005/073416 |
A process for the separation of nickel, cobalt or both from impurity elements selected from one or more of calcium, magnesium, manganese and chloride contained in a leach solution, the process comprising the step of subjecting the leach ...
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WO/2005/073414 |
A heap bioleaching process wherein carbon, in the form of a carbonate, carbon dioxide or organic carbon, is added to the heap when the temperature in the heap is in the range of 45oC to 60oC to increase microbial activity and thereby rai...
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WO/2005/072863 |
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WO/2005/071121 |
Selective extraction of a metal anion complex, such as a platinum-group metal halide, from an aqueous solution containing other metal anions or anion complexes, by contacting the solution with a diquaternary ammonium salt having two quat...
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