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WO/2017/075693A1 |
There is provided a process for treating a feed material comprising: contacting the feed material with a reducing agent within a contacting zone, wherein the feed material includes at least one operative metal-comprising compound, wherei...
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WO/2017/027916A1 |
A method of processing finely divided reactive particulates (RParticulate) and forming a product comprising: providing a composite material comprising finely divided reactive particulates (RParticulate) dispersed in a protective matrix; ...
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WO/2017/024552A1 |
Provided is a method and system for preparing a carbonyl nickel powder using laterite-nickel ore. The method comprises: (1) mixing and pelletizing laterite-nickel ore, high-sulphur coal, and additives to obtain pellets; (2) reducing the ...
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WO/2017/024551A1 |
Provided is a method and system for preparing a carbonyl nickel powder using laterite-nickel ore. The method comprises: (1) mixing and pelletizing laterite-nickel ore, high-sulphur coal, and additives to obtain pellets; (2) reducing the ...
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WO/2017/020789A1 |
A metal ore metal recovery process and metal ore metal recovery process furnace. The metal ore metal recovery process is performed in a process furnace, which recovers a metal from a metal ore, and comprises a metal mine inlet arranged a...
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WO/2017/012185A1 |
A method for preparing titanium or titanium aluminum alloy and a byproduct- titanium-free cryolite through two-stage aluminothermic reduction comprises the following steps: (1) using sodium fluoride and sodium fluotitanate as raw materia...
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WO/2017/002385A1 |
A connection pipe having long service life, whereby no breakage of a lead wire or short circuiting of a lead wire and an outer pipe occurs in a process for manufacturing and purifying sponge titanium by the Kroll process, the connection ...
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WO/2016/183428A1 |
Lead is recovered from lead paste of a lead acid battery in a continuous process. The lead paste is contacted with a base to generate a supernatant and a precipitate. The precipitate is separated from the supernatant, and is contacted wi...
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WO/2016/169674A1 |
The invention relates to a method for breaking down fine iridium, having the following steps: (a) breaking down 1 wt.% of fine iridium in an alkalinically oxidizing manner with 3 to 20 wt.% of a combination of 40 to 70 wt.% of sodium hyd...
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WO/2016/171579A1 |
The invention relates to the field of metallurgy and can be used for processing high-magnesia lateritic nickel ores so as to directly produce ferronickel. In the method, the following steps are carried out: mixing the ore with a solid re...
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WO/2016/164523A1 |
Ink compositions for fabricating objects from planetary regoliths and objects fabricated from the ink compositions are provided. The objects include flexible, elastomeric objects and hard objects. Also provided are methods, including thr...
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WO/2016/138001A1 |
A method for producing a metal powder includes maintaining molten reducing metal in a sealed reaction vessel that is substantially free of oxygen and water, establishing a vortex in the molten reducing metal, introducing a metal halide i...
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WO/2016/136068A1 |
Provided is a smelting method whereby a reaction for reducing pellets, said pellet being formed by using a saprolite ore as a starting material, can be effectively conducted and thus an iron/nickel alloy having a nickel grade of, for exa...
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WO/2016/129009A1 |
[Problem] To provide a method by which high-purity metallic vanadium is manufactured inexpensively and energy efficiently. [Solution] Provided is a method for manufacturing metallic vanadium in which a portion of an inorganic molten salt...
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WO/2016/113755A1 |
The present invention relates to a one step environment friendly process for the preparation of Ni and Fe-Ni has been established, wherein the said process involves highly reactive low temperature non thermal hydrogen plasma for the prod...
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WO/2016/106618A1 |
A blockage cleaning apparatus and method of a soot airflow conveying line, a high-position sand hopper (3) and an air-sand-mixer (5) being disposed at an air source position of an airflow input line (6); a compressed air source (1) is co...
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WO/2016/103812A1 |
Provided is a smelting method capable of effectively promoting a reduction reaction on pellets formed using nickel oxide ore as starting material to obtain a ferronickel alloy with a high nickel grade of at least 4%. The present inventio...
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WO/2016/099209A1 |
The present invention relates to a reduction device using liquid metal, which can both improve the oxidation reaction of a reducing agent for reducing a material to be reduced using liquid metal and effectively control the same. The redu...
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WO/2016/096332A1 |
The invention relates to a method for reducing molten raw materials, in which method the raw materials, in a solid or molten state, are placed on a bed comprising coke pieces, which bed is at least partially inductively heated, and the r...
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WO/2016/093704A1 |
The present invention describes a method for the energy efficient production of metals and alloys by carbothermic reduction of minerals and ores in electric reduction reactors, said method comprising at least the following steps: - conve...
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WO/2016/074095A1 |
A burner for a flash smelting furnace comprises a tubular lance enclosing a first gas flow passage and having a lower end portion which includes one or more gas outlet passages. The lower end portion has upper and lower annular sealing s...
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WO/2016/056362A1 |
Provided is a smelting method capable of obtaining an iron-nickel alloy having a high nickel grade of 4 % or higher by effectively facilitating a reduction reaction of pellets formed using a nickel oxide ore as a raw material. The presen...
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WO/2016/033360A1 |
A method of controlling frothing during atmospheric or substantially atmospheric leaching of a metal sulfide is disclosed. In some embodiments, the method may comprise the steps of (a) producing a metal sulfide concentrate via flotation;...
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WO/2016/017400A1 |
Provided is a method for smelting nickel oxide ore by which, even if the size of lumps is small in a mixture of metal and slag obtained by reducing and heating pellets of nickel oxide ore, it is still possible to effectively separate the...
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WO/2016/017348A1 |
Provided is a method for producing pellets by which, when nickel oxide ore is being pelletized and smelted to produce ferronickel, which is an iron-nickel alloy, it is possible to allow the smelting reaction to proceed effectively and to...
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WO/2016/017347A1 |
Provided is a method for smelting nickel oxide ore by which the occurrence of cracking due to heat shock can be suppressed when nickel oxide ore is pelletized and charged into a smelting step (reduction step). A method for smelting nicke...
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WO/2016/011696A1 |
A method for smelting magnesium comprises: blending dolomite or magnesite with a reducing agent and fluorite for pelletizing to obtain pellets; calcining the pellets in a nitrogen or argon gas atmosphere to obtain high-temperature pellet...
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WO/2016/013356A1 |
Provided is a nickel oxide ore smelting method for forming pellets from a nickel oxide ore and performing smelting by reducing and heating the pellets in a smelting furnace, wherein it is possible to make the smelting reaction in the red...
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WO/2016/010999A1 |
Methods and systems for producing DRI utilizing a petroleum refinery bottoms (i.e. heavy fuel oil, vacuum residue, visbreaker tar, asphalt, etc.) or petroleum coke gasifier and a hot gas cleaner. Cooling of the hot synthesis gas generate...
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WO/2016/009828A1 |
Provided is a method for producing a pellet capable of suppressing heat shock-induced crack occurrence, when nickel oxide ores are made into pellets and placed in a reducing furnace in a smelting process. In the method for producing a pe...
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WO/2016/007942A1 |
Methods of synthesizing various metal nanoparticle structures having high uniformity, using iterative reduction and oxidation conditions, is provided herein.
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WO/2015/172132A1 |
An industrial scale smelting system for using arc furnaces for processing large quantities of ore in a production manner for recovery of a plurality of elements in useful quantities using a plurality of electrowinning processes with the ...
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WO/2015/159268A1 |
This invention relates to a method of forming sintered and/or pre-reduced chromite agglomerates (typically briquettes or pellets) using and/or containing a SiC Composite (a form of silicon carbide containing material) as a reductant for ...
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WO/2015/155017A1 |
The invention relates to a method for obtaining or recovering acids from metal-containing solutions by spray roasting the solutions in a spray roasting reactor (2) and subsequently absorbing and/or condensing the gases formed in the proc...
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WO/2015/135041A1 |
A method for treating a silver-containing zinc alloy, the method comprising treating the alloy in a process vessel under conditions of elevated temperature and sub-atmospheric pressure so as to selectively vaporise the zinc, providing a ...
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WO/2015/125061A1 |
The present invention relates to a process for preparing a dental amalgam that is devoid of harmful free mercury. In particular, the present invention relates to a process for preparing two separate compositions characterized as treated ...
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WO/2015/118621A1 |
Provided is a method for separating rare earth elements, the method comprising: a first heat treatment step for generating a plurality of rare earth halides from a starting material mixture that contains a plurality of rare earth oxides ...
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WO/2015/060018A1 |
The present invention relates to a method for manufacturing high purity Mn by: placing flaked electrolytic Mn starting material in a magnesia crucible and melting at a melting temperature of 1240-1400°C using a vacuum induction melting ...
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WO/2015/054739A1 |
There is provided a dispersion apparatus for use with a solid fuel burner. The dispersion apparatus comprises a passage through which particulate material may flow toward an outlet region for dispersal therefrom, the flow being at least ...
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WO/2015/045670A1 |
Provided is a method for manufacturing granular iron, the method being capable of improving the quality of the granular iron by preventing re-oxidation of reduced iron obtained by heating and reducing agglomerates or of granular iron obt...
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WO/2015/010754A1 |
The process serves for utilization of metal-containing waste materials. To develop a process which permits the controlled reaction of metals with water to produce hydrogen in such a way that the hydrogen can be utilized in a simple and s...
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WO/2014/209173A1 |
The invention relates to metallurgy of non-ferrous metals, in particular, to titanium production technology. The technical result achieved according to the claimed invention is a simplified technology of reduction due to a decrease in...
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WO/2014/206748A1 |
The invention relates to a method for synthesising a rare earth element by means of a redox reaction, the educt side of the reaction comprising a rare earth compound, in which the rare earth element is present in a positive oxidation sta...
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WO/2014/193299A1 |
The invention relates to iron and tungsten containing briquettes and a process for producing the briquettes. A green briquette is produced from mixing an iron powder, a tungsten containing powder, and briquetting the mixture.
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WO/2014/190391A1 |
A process for producing and reducing an iron ore briquette, the process comprising the steps of: a. combining together a comminuted iron bearing material, a comminuted carbonaceous material, a fluxing material and a primary binder materi...
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WO/2014/193298A1 |
The present invention relates to a process for producing iron and molybdenum containing compacts. It also relates to and compacts produced by the process.
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WO/2014/192874A1 |
The present invention addresses the problem of providing a method by which it is possible to efficiently recover rare earth elements from a substance to be treated that includes at least a rare earth element and an iron group element, an...
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WO/2014/186207A2 |
A process for preparing a meseporous material, e.g., transition metal oxide, sulfide, selenide or telluride, Lanthanide metal oxide, sulfide, selenide or telluride, a post-transition metal oxide, sulfide, selenide or telluride and metall...
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WO/2014/186210A2 |
A process for preparing a mesoporous material, e.g., transition metal oxide, sulfide, selenide or telluride, Lanthanide metal oxide, sulfide, selenide or telluride, a post-transition metal oxide, sulfide, selenide or telluride, and metal...
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WO/2014/179600A1 |
An improved method and apparatus for concentrating and recovering the iron values from a high silica iron ore, including the steps of reducing the particle size of the ore, mixing the sized ore with a reluctant, magnetic roasting of the ...
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