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WO/2010/003906A1 |
The present invention is related to a process for the production of copper from a matte being in the form of a liquid placed in an electrolytic cell at the positive pole wherein the electrolyte comprises molten salt, and wherein liquid c...
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WO/2010/000933A1 |
In a method of electrowinning a metal from an electrolyte in an electrolysis tank (1), an anolyte (7) is removed from each anode bag (4) as an overflow by means of an overflow pipe (9), the upper end (10) of which defines the level of th...
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WO/2010/001151A1 |
The present invention relates to a method for determining the extent of electrochemical extraction ofa metal (M) from a metal (M) oxide caused by a voltage applied between a cathode comprising (or consisting essentially of) or in contact...
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WO/2010/001866A1 |
Disclosed is a process for producing metallic zirconium from a hafnium-containing zirconium compound that requires only a few steps and produces little secondary waste. The process comprises a separation step of separating hafnium ocych...
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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/2010/000930A1 |
The invention relates to a method of providing an electric current taker (6a, 6b) made from silver and having a highly electro conductive contact surface into an aluminium support bar (1) to be used in electrolysis. In order for the supp...
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WO/2010/000717A2 |
Apparatus and method for removing an electrodeposited metal layer from a cathode plate comprising a feeding zone, a metal stripping unit, a discharge zone, and a carousel with a substantially horizontal axis of rotation comprising engagi...
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WO/2009/156662A2 |
The invention relates to a method for processing metallurgical residue from electric steel mill dust essentially containing iron and zinc in the form of zinc oxide and zinc ferrites, to a processing of blast-furnace sludge, and to a comb...
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WO/2009/152975A1 |
The invention relates to a method of producing aluminium in an electrolysis cell, which includes setting up a succession of control periods of duration T, identifying perturbative tending operations on the cell that can introduce superfl...
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WO/2009/151044A1 |
Disclosed is an anode for electrolytic winning of zinc that can suppress the precipitation of a manganese compound on the anode. Also disclosed is an anode for electrolytic winning of cobalt that can suppress the precipitation of cobalt...
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WO/2009/151685A1 |
An electrolytic cell includes a plate stack including a plurality of plates spaced apart to define a plurality of channels extending therebetween, a housing arranged around the plurality of plates, and a plurality of terminals connected ...
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WO/2009/151595A1 |
A crust breaker and ore feeder device for electrolytic aluminum smelting employs an in-line three-position pneumatic cylinder (136) capable of moving the plunger shaft (120) and chisel (122) to a fully raised position, to a fully lowered...
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WO/2009/147301A1 |
In the method and system, a number of electrolytic cells (1, 2) is arranged as a cell group, which cells are separated by a number of partition walls (3; 31, 32); in each cell, a number of anodes (A) and cathodes (C) are arranged in an a...
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WO/2009/146270A1 |
Methods for making electrochemically active materials include making an electrochemically active material by reacting a platinum group metal salt in a organic solvent to yield a mixture, then heating the mixture to create a metal-organic...
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WO/2009/143696A1 |
A 400-KA level energy-saving and exhaust-decreasing pre-baked aluminum electrolytic cell comprises anode carbon blocks, anode busbars, crust breaking-feeding device, anode elevating device, cross beams and vertical posts, sealed air-exha...
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WO/2009/146269A1 |
Various embodiments provide an electrode comprising a conductive substrate, a first layer of a mixture comprising iridium oxide in a crystalline phase and tantalum oxide in an amorphous phase on a portion of an outer surface of the condu...
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WO/2009/135291A1 |
A method of recovering copper from a copper sulfide concentrate comprising a copper arsenic sulfosalt or a copper antimony sulfosalt, using pyrite as a catalyst. The concentrate and pyrite are added to an acidic sulfate leach solution. T...
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WO/2009/132459A1 |
A multi-layer cathode block (30) for an electrolytic cell (10) has at least a surface layer (32) with a surface expansion index and a second layer (34) with a second expansion index. The surface layer (32) includes a surface wetting agen...
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WO/2009/132747A1 |
In order for the straightening of deformed electrolysis potshells to provide operationally reliable equipment which makes it possible to straighten deformed potshell sidewalls even of different deformation resistance independently of one...
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WO/2009/124393A1 |
An electrochemical process for the recovery of metallic iron or an iron-rich alloy, oxygen and sulfuric acid from iron-rich metal sulfate wastes is described. Broadly, the electrochemical process comprises providing an iron-rich metal su...
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WO/2009/122705A1 |
Disclosed is an electrolysis vessel comprising a cathode member (10, 110, 210a, 210e, 310) having a cathode portion (10n, 10n'), a cathode chamber (20) defined inside the cathode member and containing a liquid electrolyte therein, an ano...
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WO/2009/119196A1 |
Disclosed is a platinum powder for magnetic material targets, which has a particle size distribution of 0.1-5 μm. The impurities contained in the platinum powder for magnetic material targets are limited as follows: sodium, potassium an...
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WO/2009/117354A2 |
Apparatus and processes are disclosed for electrowinning metal from a fluid stream. A representative apparatus comprises at least one spouted bed reactor wherein each said reactor includes an anolyte chamber comprising an anode and confi...
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WO/2009/114925A1 |
An electrochemical process for the concurrent recovery of iron metal and chlorine gas from an iron-rich metal chloride solution, comprising electrolysing the iron-rich metal chloride solution in an electrolyser comprising a cathodic comp...
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WO/2009/115689A2 |
The invention relates to a system for constantly monitoring the insulation of a body relative to neighbouring bodies that comprises: a) a CPI (100); b) a first portion (103) of a measuring circuit connecting said body (70) to a first ter...
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WO/2009/114342A1 |
Systems, methods and apparatus for restricting scale build-up in gas scrubbers and piping are disclosed. The scrubbers and/or pipes may have a coating disposed on internal surfaces thereof. The coating restricts formation of scale within...
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WO/2009/110149A1 |
A process for the recovery of valuable metals from scrap IZO, characterized by conducting electrolysis by using an insoluble electrode as the anode and scrap IZO as the cathode to recover metallic indium and zinc or suboxides of both. Th...
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WO/2009/107339A1 |
Disclosed are a method to efficiently manufacture, through molten salt electrolysis, a reducing metal suitable for the reduction reaction of titanium tetrachloride or titanium, and a molten salt electrolytic apparatus to be used in the s...
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WO/2009/108061A1 |
The present invention comprises a composition of an anode alloy for use in three layer electroref ining of silicon and a method for producing silicon with a purity in the range of 99,99-99,999% by weight in a three layer electroref ing p...
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WO/2009/105832A1 |
The invention relates to a method for recovering gold from an acid digest of a gold-containing copper anode slime. The acid digest is selectively extracted with an alcohol having low miscibility with water. Gold is then recovered from th...
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WO/2009/101863A1 |
A method of recovering valuable metals from an IZO scrap, characterized by using an insoluble electrode as an anode or cathode and using the IZO scrap as a cathode or anode, which serves as a counter electrode for the insoluble electrode...
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WO/2009/102419A2 |
Disclosed are processes and electrolytic cells that can be used to extract and thereby recover aluminum from aluminum-containing waste, including an aluminum dross that is suitable for disposal in a land-fill. The disclosed processes and...
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WO/2009/101864A1 |
A method of recovering valuable metals from IZO scraps, characterized by using the IZO scraps respectively as an anode and a cathode to conduct electrolysis while periodically reversing the polarity, and recovering the indium and zinc in...
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WO/2009/098367A1 |
The invention relates to a method for the single-step removal of thimbles attached to the rods of a base of an anode stem, that comprises the following steps: a) placing said anode stem between an abutment device and an etching device, t...
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WO/2009/099335A1 |
An electrode for use in an electrolysis process for production of aluminium, the electrode (3, 20) comprises a body of calcinated carbonaceous material connected with an electrical current lead (1, 21). The current lead is embedded in a ...
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WO/2009/092513A1 |
The invention relates to a device (50) and a method for short-circuiting a specified electrolysis in a row of electrolysis cells intended for the production of aluminium. This device includes a bridging member (60) including at least two...
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WO/2009/094277A2 |
A method of producing carbon macro-molecular structures includes dissolving a graphitic material in a solvent to provide a suspension of carbon-based macro-molecular structures in the solvent, and obtaining a plurality of the carbon macr...
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WO/2009/092539A1 |
The present invention relates to a process for recycling SPL (spent pot linings), from primary aluminium production, comprising the steps of grinding the separated fractions or cuts, separating materials by means of mechanical treatment,...
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WO/2009/092023A1 |
The present invention relates, generally, to a method and apparatus for recovering metal values from a metal-bearing materials, and more specifically, a process for recovering copper and other metals through leaching, electrowinning usin...
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WO/2009/087908A1 |
A method of recycling useful metals is provided. The method enables useful metals including indium, zinc, yttrium, europium, lanthanum, terbium, gadolinium, antimony, lead, copper, tin, and silver to be recovered from wastes, such as aba...
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WO/2009/082642A1 |
The present invention relates to aluminum production and, more particularly, to smelting aluminum in a low temperature electrolytic production cell In addition, the invention relates to an electrolytic cell and method for operating it, w...
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WO/2009/074319A1 |
The invention relates to an arrangement for producing aluminum, comprising a cathodic vessel (1), anode means (2), an electricity source for generating a direct current between the cathodic vessel (1) and the anode means (2) in order to ...
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WO/2009/070961A1 |
The present invention provides a device used in an aluminum electrolytic cell for producing primary aluminum by Hell-Heroult process. Specifically, a method for avoiding the horizontal current in the aluminum pad of an aluminum electroly...
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WO/2009/070959A1 |
A method for preventing the cell bottom from up-wrapping and a structure used for the same, especially a method for preventing the cell bottom from up-wrapping during the baking start-up process of the aluminum electrolytic cell and a st...
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WO/2009/070477A1 |
Systems and methods for inspecting anodes, and smelting management based thereon are provided. In one' embodiment, a system includes an imaging device configured to obtain images of at least one anode assembly, an image processor configu...
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WO/2009/068734A1 |
The invention relates to an arrangement and method for monitoring and presenting the status of an electrolytic process in an electrolytic cell (1). The arrangement is characterized by a return channel arrangement (8) for transmitting sta...
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WO/2009/068988A2 |
The present invention relates to an electrolytic process for producing metallic lead starting from desulfurized lead pastel comprising the following operative phases: a) leaching the desulfurized pastel by putting it in contact with a so...
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WO/2009/067019A1 |
Method and means for controlling an electrolysis cell for aluminium production by process control inputs, comprising means for measurement of one or more process variable(-s) where the measured value(-s) is led to an estimator. The estim...
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WO/2009/066025A2 |
The subject of the invention is a carbon anode block for use in a metal electrolysis cell, of height H between an upper face (24) and a lower face (23), said block having, on the lower face (23), at least one groove (20a) of depth p(x) a...
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WO/2009/063031A2 |
An electrode substrate comprising M(n+1)AXn, where M is a metal of group IIIB, IVB,VB,VIB or VIII of the periodic table of elements or a combination thereof, A is an element of group IIIA, IVA, VA or VIA of the periodic table of elements...
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