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WO/2014/069357A1 |
Provided is a bismuth characterized in that the bismuth emits 0.01 cph/cm2 or less of α rays. Also provided is a method for producing a low α-emitting bismuth, characterized in that a titanium cathode and a bismuth anode are introduced...
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WO/2014/065692A1 |
The invention relates to a method and an apparatus for lining the cathode device of an aluminium electrolytic cell. The method involves loading a powder material into the cathode shell of an electrolytic cell, leveling said material with...
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WO/2014/065703A1 |
The invention relates to the field of non-ferrous metallurgy, and more particularly to the production of aluminium by the electrolysis of molten salts, and even more particularly to the design of a cathode section for an aluminium electr...
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WO/2014/059555A1 |
The invention relates to a partial protection cover for a porous tube or microporous hose (5) used for ventilation, said cover partially protecting against corrosion in electrolytic cells for metal production. The cover can consist of: a...
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WO/2014/047689A1 |
An electrode for electrolytic processes, the electrode comprising a conducting bar and a plate attached to the conducting bar, wherein the conducting bar has a conducting member attached thereto to increase the conductivity of the conduc...
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WO/2014/048050A1 |
Provided is a production method of electro-depositing and refining a metal chloride by a membrane process, comprising: using a cation selective diaphragm and an anion selective diaphragm to divide an electrolytic cell into an anode chamb...
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WO/2014/046432A1 |
The present invention provides a method of recovering lithium from a bittern using an electrochemical method comprising: a step of preparing a bittern (S10); a step of preparing lithium manganese oxide by adding an absorbent into the bit...
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WO/2014/042782A1 |
Methods and systems for electrochemical conversion of carbon dioxide to organic products including formate and formic acid are provided. A method may include, but is not limited to, steps (A) to (C). Step (A) may introduce an acidic anol...
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WO/2014/032085A1 |
The present invention relates to an electric current management (ECM) system andmethod comprising at least one electrolytic cell having at least two electrodes in contact with electrolyte media; a plurality of sensor means for measuring ...
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WO/2014/033756A2 |
The present invention relates to a method of preparing palladium dendrites on carbon based substrates.
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WO/2014/033085A1 |
An industrial process for the manufacture of carbon electrodes (artefacts) comprises the steps of (a) mixing a high melting pitch with a Softening Point Mettler (SPM) above 150°C with carbonaceous solids at a temperature of 0°C to 120Â...
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WO/2014/029031A1 |
It is described a process for extracting magnesium from magnesium-bearing materials comprising the steps of leaching the magnesium-bearing material with HCl as to obtain a leachate comprising the magnesium in solution and a solid form; p...
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WO/2014/031855A1 |
An electrode mask for electrowinning a metal is provided. An example technique forms openings in a solid nonconductive sheet, such as vinyl, polyvinyl chloride (PVC), or other plastic and adheres the sheet as a solid to a cathode surface...
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WO/2014/030878A1 |
Disclosed is a method for separating and collecting useful metals from a waste lead-free solder. The method for separating and collecting useful metals in the waste lead-free solder according to the present invention, comprises: a leachi...
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WO/2014/030877A1 |
Disclosed is a method for separating tin from a variety of combined metals and collecting same. The method for separating and collecting tin from the variety of combined metals according to the present invention, comprises: a leaching st...
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WO/2014/027950A1 |
The invention concerns a process for recovering at least one rare earth metal (REM) from the group of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu. A chloride salt melt is provided and aluminium chloride is used ...
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WO/2014/026138A1 |
A method of creating and using a high-carbon spent pot lining (SPL) as a fuel, including delining the high-carbon spent pot lining from an electrolytic cell and combusting the SPL in a furnace.
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WO/2014/025409A1 |
The cathode collector bar end portion (22) extending through a window in a sidewall (12) of an electrolytic cell for refining aluminum is snugly received in a central opening of a seal assembly (30; 50). Such seal assembly (30; 50) maint...
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WO/2014/024110A1 |
The present invention concerns a method for reducing the amount of polluting and/or valuable elements through application of electrolysis, in particular of the electrocapturing phenomenon. The electrolysis according to the present invent...
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WO/2014/022937A1 |
An electrolytic cathode assembly includes an electrically conductive hanger bar, a deposition plate attached along an upper end to the hanger bar to define a joint, and a protective covering generally surrounding the hanger bar and a por...
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WO/2014/022394A1 |
An electrolytic cell anode, including an encasing conductive material configured to encase a dense conductive material and define the electrolytic cell anode, wherein the dense conductive material has an electrical conductivity greater t...
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WO/2014/016247A1 |
Method for producing an alkali metal from a salt of the alkali metal soluble in a solvent, comprising the following steps: • (a) performing a first electrolysis in a first electrolysis cell (1) comprising an anode chamber (3) and a cat...
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WO/2014/015590A1 |
Provided in the present invention is a method for preparing an electrolyte and a supplementary system in an aluminum electrolysis process, comprising the following steps: step A: placing aluminum into a reactor, vacuuming then introducin...
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WO/2014/015638A1 |
Disclosed is a direct-current shunt preheating start method for an inert electrode aluminum electrolysis cell, comprising: (1) forming multiple direct-current shunt element groups by using conductors with preset resistance values and geo...
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WO/2014/018302A1 |
A method and electrochemical cell (10) for recovery of metals is provided, where the electrochemical cell (10) includes an anode (30) disposed in an anodic chamber (25), a cathode (20) disposed in a cathodic chamber (15), an ion- conduct...
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WO/2014/015596A1 |
A method for producing an aluminum-zirconium-boron alloy and for simultaneously producing cryolite, comprising the following steps: step A. placing aluminum into a reactor, heating to a temperature between 750 and 850 °C, adding into th...
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WO/2014/014373A1 |
The invention relates to a busbar arrangement for heavy-duty aluminium electrolysers when said electrolysers have a longitudinal position. The busbar arrangement comprises anode busbars, risers and cathode rods, which are divided into gr...
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WO/2014/012857A1 |
The present invention relates to a method and device for monitoring the heat flux through walls of industrial reactors, where the method comprises providing a thermal reservoir at a first temperature T1 where T1 is lower than the wall te...
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WO/2014/009768A1 |
Internal frame assembly of a cell for electrolysis of manganese, associated cell and method The cell comprises a plurality of anode frames, a plurality of cathode frames (64) and a plurality of diaphragms (68) interposed between each cat...
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WO/2014/010947A1 |
The present invention provides a method for recovering lithium, through an electrochemical method, from coal fly ash or waste water generated in a process for producing an active material for a lithium secondary battery, comprising the s...
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WO/2014/011073A1 |
The invention relates to a device for the metered feeding of stock into an aluminium electrolyser. The device comprises a hopper for the material to be metered, a metering chamber with a rod having a pneumatic drive, an upper shut-off el...
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WO/2014/005878A1 |
The invention relates to a method for recovering an electropositive metal from a metal carbonate. In the method, hydrogen and halogen are combusted to form hydrogen halide. The solid metal carbonate is converted into metal chloride by me...
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WO/2014/005240A1 |
The invention relates to a utility model to be used in cells for electrically producing metals that contain a removable insulating structure for the ordered positioning of the cathodes and the anodes by means of conveniently spaced guide...
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WO/2014/003571A1 |
An electrode for use in an electrolysis process for production of aluminium, the electrode comprises a body of calcinated carbonaceous material connected with an electrical current lead. The current lead is embedded in a recess in said c...
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WO/2013/190945A1 |
Provided is a production method which is capable of producing silicon metal and porous carbon from rice husk. This method for producing silicon metal and porous carbon comprises: a first step (S1) wherein rice husk (M1) is subjected to a...
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WO/2013/185539A1 |
An inert alloy anode used for aluminum electrolysis. The anode has Fe and Cu as the main constituents and comprises Sn. The addition of the Sn metal is conducive to the formation of a layer of oxidized film having a great antioxidant act...
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WO/2013/185538A1 |
An electrolysis tank used for aluminum electrolysis, comprising a tank body, an anode and a cathode arranged within the tank body, also an electrolyte accommodated within the tank body, where at least a part of the anode is submerged in ...
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WO/2013/185540A1 |
The present invention relates to an electrolyte used for aluminum electrolysis and an electrolysis process using the electrolyte. The electrolyte of the present invention employs a pure fluoride salt system and consists of the following ...
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WO/2013/183348A1 |
Provided is a metallic material which permits ultrafine machining such as high-precision engraving or mirror-like finishing. This metallic material is an amorphous metallic material which comprises nickel as the main component, 10 to 20w...
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WO/2013/159115A9 |
The present invention provides molybdenum and tungsten nanostructures, for example, nanosheets and nanoparticles, and methods of making and using same, including using such nanostructures as catlysts for hydrogen evolution reactions.
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WO/2013/182755A1 |
The invention concerns a bubble collector guide for use in an electrolysis process, which comprises a plurality of guide members arranged at a distance from each other, the guide members com¬ prising a lower side. The guide members can ...
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WO/2013/177847A1 |
A method for industrially producing zirconium metal and synchronously producing low-temperature aluminum electrolyte comprises the following steps: A) putting aluminum and fluorozirconate into an enclosed reactor, vacuumizing, introducin...
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WO/2013/180443A1 |
The present invention relates to an iron bus bar coated with copper, and to a method for manufacturing same. One embodiment of the present invention provides an iron bus bar comprising: an iron core; and a copper layer coated onto the ir...
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WO/2013/180580A1 |
The invention comprises a process comprising infiltrating or infiltrating and coating a substrate with a boron-comprising precursor, and contacting the boron-comprising precursor with a nitrogen-comprising reactant to convert the boron-c...
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WO/2013/177846A1 |
Provided is a process for preparing transition metal boride comprising the following steps of : A) putting aluminium into a reactor, vacuumizing, introducing inert gases, raising temperature to 700 ~ 800 ℃, adding dry potassium fluorob...
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WO/2013/174066A1 |
Provided is a sodium cryolite used in the aluminum electrolysis industry, the molecular formula of the sodium cryolite is mNaF·AlF3, wherein m is 1-1.5. The sodium cryolite (mNaF·AlF3, m is 1-1.5) with a low molecular ratio provided by...
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WO/2013/174067A1 |
A process for preparing inert anode material or inert cathode coating material for aluminum electrolysis, comprising the following steps: A) placing aluminum into a reactor, vacuumizing, aerating with an inert gas, adding the mixture of ...
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WO/2013/174065A1 |
Provided is a cryolite with a low molecular ratio used in the aluminum electrolysis industry, consisting of potassium cryolite, and sodium cryolite in a molar ratio of 1:1-1:3; the molecular formula of the potassium cryolite is mKF·AIF3...
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WO/2013/170299A1 |
An electrolytic cell for production of rare earth metals is disclosed. The electrolytic cell includes a cell housing provided with one or more inclined channels disposed in a floor of the cell housing along which channel(s) molten rare e...
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WO/2013/170310A1 |
An electrolytic cell for production of rare earth metals is described. The electrolytic cell includes a cell housing; a cathodic structure configured to define a channel, the channel having one end elevated in respect to an opposing lowe...
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