288 results about "Metalloid" patented technology

A method and system for precipitating a solid using molten oxide electrolysis are presented. Using an electrical current for electrolysis in a first vessel, an oxide material is heated to form a liquid cathode. The first vessel also includes a corresponding anode. A portion of the liquid cathode is received into a second vessel that is separated from the first vessel by a conduit. The portion of the liquid cathode is allowed to cool. Precipitate of the cooled liquid cathode may then be collected in the second vessel. The precipitate may be a metal or metalloid, such as silicon. The method and system allow for continuous processing for production of a precipitate material, in contrast to batch processing of other methods or systems. For example, precipitate may be harvested from the second vessel while electrolysis is continuously performed in the first vessel.

The invention relates to the technical field of ceramic production, and discloses a high-temperature hard glaze formula for bone china and a bone china production process. 4%-6% of aluminum oxide; 2%-5% of boron oxide; 3%-7% of zinc oxide; 3%-10% of an alkaline earth metal oxide; 7%-13% of alkali metal oxide; 0.5%-2% of zirconium oxide; and 0.5%-1.5% of titanium dioxide. According to the high-temperature hard glaze formula for the bone china and the bone china production process, a proper amount of boric oxide, zinc oxide and lithium oxide are added into the glaze, so that the thermal expansion coefficient of the glaze is effectively reduced, and the thermal stability of the bone china is improved; by adding aluminum oxide, the breaking strength of the bone china can be greatly improved; by adopting a lead-free formula, lead pollution is avoided, and the environment-friendly requirement is met; through the optimized glaze formula and process, the bone china surface has good glossiness and smoothness.

Particular embodiments may provide an anode material, comprising a compound of formula Li2—X—Y, wherein: X and Y are each independently a metal atom or a metalloid atom; the anode material has a discharge potential of less than about 0.4 V vs. Li / Li+; and the molar ratio of Li:X:Y is 2:1:1.

The invention provides an impurity removal method of a gallium-rich solution for a gallium-based fluorescent powder precursor, and belongs to the field of preparation of gallium-based fluorescent powder precursors. The method comprises the following steps: adding an oxidizing agent into an initial gallium-rich solution to carry out a first reaction so as to remove organic impurities in the initial gallium-rich solution and obtain a first gallium-rich solution; adding a composite impurity removal reagent into the first gallium-rich solution to carry out a second reaction to remove impurity elements such as calcium, silicon and vanadium in the first gallium-rich solution so as to obtain a second gallium-rich solution; and adding a sulfide type reagent into the second gallium-rich solution to carry out a third reaction so as to remove copper and iron impurity elements in the second gallium-rich solution, thereby obtaining the gallium-rich solution for the gallium-based fluorescent powder precursor. According to the method, various key impurity elements such as organic matters, alkaline earth metals, metalloids and heavy metals are directionally and efficiently removed through the impurity removal logic of oxidation impurity breaking, synergistic precipitation and deep vulcanization, so that the total content of the key impurity elements in the gallium-rich solution is remarkably reduced.

The utility model discloses a dust collector floor brush capable of adsorbing metal products, which comprises a floor brush body and a dust collector, the electromagnet is arranged in the protruding part, connected with a power source through a wire and arranged on the bottom face of the protruding part in a penetrating mode. Compared with the prior art, the dust collector solves the problems that when the ground with metal products such as iron particles and scrap iron remaining on the surface is cleaned, the metal products cannot be adsorbed, and the dust collector is damaged.

The invention provides radiation sensitive compositions and substrates coated with radiation sensitive compositions wherein the composition comprises a combination of metals and / or metalloid compounds, a functionalized or unfunctionalized acetylenic compound, and other optional ingredients such as amelioration agents. The invention further provides radiation sensitive devices for detection or measurement of radiation comprising substrates coated with these radiation sensitive compositions. The radiation sensitive compositions and devices have applications in dentistry, non-destructive testing, oncology, radiology, and radiotherapy, among others.

A coated optical component includes an optical component and a conformal coating. The optical component is crystalline calcium fluoride and the conformal coating is an atomic layer deposition (ALD) coating in contact with a surface of the optical component. The ALD coating includes a metal fluoride ALD coating having a metal different from calcium. The ALD coating can include other metal oxide or metalloid oxide ALD coating layers. The method for making the coated optical component includes depositing an atomic layer deposition (ALD) coating on a surface of the optical component, where the ALD coating can be a metalloid oxide, a metal oxide, a metal fluoride having a metal that is different from calcium, or combinations of these. Sulfur hexafluoride is used as a fluorine source in the ALD process.

The invention discloses a preparation method and application of an iron-zirconium double-metal modified chitosan alkaline lignin aerogel material, and belongs to the technical field of aerogel material preparation. The method comprises the following steps: firstly dissolving chitosan to obtain a chitosan solution, adding alkaline lignin into the chitosan solution, then adding ferric salt and zircon salt to obtain an iron / zirconium / chitosan alkaline lignin mixed solution, and cross-linking the iron / zirconium / chitosan alkaline lignin mixed solution through a cross-linking agent to obtain the iron / zirconium / chitosan alkaline lignin composite material. And finally, freeze-drying to obtain the iron-zirconium double-metal modified chitosan alkaline lignin aerogel material. The method is simple and convenient in process, low in cost, green, environment-friendly and easy for large-scale production. The prepared aerogel material has the characteristics of a mesoporous material, is good in stability and mechanical property, has excellent performance in the aspect of adsorbing heavy metal and metalloid ions, can be regenerated and reused through desorption after adsorption, and can be applied to the fields of environmental governance and the like.

The invention discloses a preparation method and application of modified zero-valent iron based on wet ball milling, and the preparation method is characterized by comprising the following steps: pre-mixing commercially available zero-valent iron powder and a transition metal salt solution, introducing into a crowbar type high-energy ball mill for ball milling, and eluting an aqueous solution to obtain the modified zero-valent iron. The transition metal salt is a salt in which a transition metal is a main metal component, such as a Co salt, an Ni salt, or a Cu salt. The concentration in the solution is 0.01-1.00 mol / L according to the amount of substance concentration, and the concentration of the zero-valent iron in the solution is 1-500 g / L according to the solid-to-liquid ratio. The obtained wet ball-milling modified zero-valent iron can be applied to removal of (similar) metal pollutants in industrial wastewater. The prepared zero-valent iron has high reaction activity, compared with traditional zero-valent iron, the rate of removing metal and metalloid pollutants in industrial wastewater can be increased by 30-600 times, and the zero-valent iron has the advantages of being easy and convenient to operate, capable of achieving large-scale production, low in pollutant treatment cost and the like.

The present invention relates to composite tungsten oxide particles containing a composite tungsten oxide represented by the general formula MxWyOz (wherein M element is one or more elements selected from the group consisting of alkali metal elements, alkaline earth metal elements, rare earth elements, Mg, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Al, Ga, In, Tl, Si, Ge, Sn, Pb, Sb, B, F, P, S, Se, Br, Te, Ti, Nb, V, Mo, Ta, Re, Be, Hf, Os, Bi, and I, 0.20 < = x / y < = 0.37, 2.2 < = z / y < = 3.3), and having a hexagonal crystal system, in which when observed in STEM-HAADF 0.01% to 10% inclusive of the Z contrast of W atoms is reduced to 95% or less of the average value.

A method for selectively etching at least one feature in a silicon oxide region with respect to a lower oxygen containing region is provided. An etch gas comprising a metalloid or metal containing precursor and a halogen containing component is provided. The etch gas is formed into a plasma. At least one feature in the silicon oxide region is selectively etched with respect to the lower oxygen containing region, while simultaneously forming a metalloid or metal containing hardmask over the lower oxygen containing region.

The solvated metal particle-coating system includes a metal additive and a polar outer-sphere electron transferring solvent. The metal additive is solvated in the polar outer-sphere electron transferring solvent. The polar outer-sphere electron transferring solvent may include liquid ammonia, methylamine, and / or hexamethylphosphoramide. The metal additive may include an alkali metal and / or an alkaline earth metal. The solvated metal additive within the polar outer-sphere electron transferring solvent may be used to coat a metal particle and / or a metalloid particle as a layer. As the polar outer-sphere electron transferring solvent evaporates, the solvated metal additive is coupled to the metal particle and / or the metalloid particle.

The invention relates in particular to a composition consisting substantially of at least one first inorganic precursor and at least one second inorganic precursor, the inorganic precursors being dispersed in at least one organic polymer, wherein - the at least one first inorganic precursor is selected from the family of alkoxy metalloids of formula M-(OR1)n where n ranges from 1 to 4 and R1 is selected from hydrogen, alkyl, aryl, and / or alkenyl group, and M is a metalloid element; - the at least one second inorganic precursor is selected from X-(OR2)m or X-(R2)m where m ranges from 1 to 2, R2 is selected from hydrogen, alkyl, aryl and / or alkenyl group, and X is an alkali or alkaline earth element; and - the at least one organic polymer comprises at least one side chain.

A method of continuously extracting a metal or a metalloid from a material using apparatus which comprises first and second compartments divided by a liquid-permeable separator (e.g. a mesh, apertured

In an aspect, a mixed metal oxide comprises or consists essentially of: a mixture comprises or consisting essentially of 0.30 to 0.69 parts by mole Mg, 0.20 to 0.69 parts by mole Zn, 0.01 to 0.30 parts by mole of a third element selected from Al and Ga, and, either, when the third element is Al, 0.00 to 0.31 parts by mole of other elements selected from metals and metalloids, or, when the third element is Ga, 0.00 to 0.15 parts by mole of other elements selected from metals and metalloids, wherein the sum of all parts by mole of Mg, Zn, the third element, and the other elements amounts to 1.00, wherein the amount in parts by mole of the other elements is lower than the amount in parts by mole of Mg and is lower than the amount in parts by mole of Zn; oxygen; and less than 0.01 parts by mole of non-metallic and non-metalloid impurities.

A coated member of the present invention includes a substrate and a hard coating film that is formed on the surface of the substrate and includes a nitride or carbonitride of a metal element. A content of Al is 65 atom % or more and 85 atom % or less, a content of Cr is 15 atom % or more and 35 atom % or less, and a total content of Al and Cr is 90 atom % or more and 100 atom % or less in a total amount of the metal element and metalloid element contained in the hard coating film, and in an intensity profile obtained from a selected area diffraction pattern of a transmission electron microscope, a crystal plane exhibiting a maximum peak intensity is different between a vicinity of the substrate and a vicinity of the surface, in the vicinity of the substrate, a peak corresponding to a (111) plane or a (200) plane of a face-centered cubic lattice structure exhibits a maximum intensity, and in the vicinity of the surface, a peak intensity corresponding to a (220) plane is 0.6 times or more a larger one of a peak intensity corresponding to the (200) plane and a peak intensity corresponding to the (111) plane of the face-centered cubic lattice structure.

A coated tool of the present invention includes a substrate and a hard coating on the substrate. The hard coating is a nitride or a carbonitride containing 65 atom % or more and 90 atom % or less of Al and 10 atom % or more and 35 atom % or less of Cr with respect to a total amount of metal elements including metalloid elements, and containing 0.50 atom % or less of argon (Ar), and has a face-centered cubic lattice structure. The hard coating shows a maximum intensity Ia in an α angle range of 80° to 90° in an X-ray intensity distribution on an α-axis in a positive pole figure of a (111) plane of the face-centered cubic lattice structure, and an intensity in an α angle range of 0° to 70° is 35% or less of the maximum intensity Ia.

The present invention relates to an exothermic process for producing metal oxides or metalloid oxides, comprising introducing metal and / or metalloid precursors into a flame formed by burning a gas mixture comprising oxygen and hydrogen, at least a portion of the hydrogen being obtained from the electrolysis of water or an aqueous solution using electrical energy obtained at least in part from a renewable energy source, and at least a portion of the thermal energy of the flame being transferred by at least one exchanger to a first heat transfer medium, thereby heating the first heat transfer medium to a maximum temperature in the range between 80°C and 150°C.

This invention relates to the field of waste aluminum recycling and processing, and particularly to an online impurity removal device for solid-phase recycling of waste aluminum. The device includes an impurity removal box, a feeding hopper, a first magnetic cylinder, a second magnetic cylinder, a guiding unit, and a power supply assembly. The impurity removal box has upper and lower corresponding rotating slots and contains the first and second magnetic cylinders with magnetic plates. A corresponding discharge chute is located on one side. The guiding unit uses a sieve plate to classify the material, guiding small particles and lumpy materials to the two magnetic cylinders respectively. Magnetically attracted metals are separated by the magnetic plates and discharged from the corresponding discharge chute. A secondary box and conveying assembly achieve secondary purification of non-magnetically attracted particles. A scraping assembly breaks the residual magnetic attraction of the magnetic cylinders. The power supply assembly controls the on / off state of the magnetic plates to achieve precise unloading. This device eliminates the need for deep crushing of materials; the grading magnetic attraction and secondary purification work together to separate four types of metals, reducing energy consumption and sorting costs, and minimizing the loss of recycled aluminum.

An improved Battery Electric Vehicle heat transfer fluids is made diluting a heat transfer fluid concentrate comprising greater than or equal to 85 weight percent of a freezing point depressant; 20 to 80 ppm of calcium ions; an azole compound; 100 to 250 ppm of an inorganic phosphate; and a polyelectrolyte polymer dispersant, wherein the heat transfer fluid concentrate has a pH of 7 to 9.0 and the weight ratio of polyelectrolyte polymer dispersant to calcium ions is 1 to 3 and the weight ratio of inorganic phosphate to calcium is 2 to 4. For use this concentrate is preferably diluted with deionized water usually 50 / 50. The addition of N-methyl-imidazole provides protection against vapor phase corrosion particularly for ferrous metals.

A method of preparing a composite material, the method comprising mixing a carbonaceous polymer with an metal or metalloid acetate templating agent; and carbonising at a temperature of at least about 500°C. The composite material comprises a rod morphology with a core derived from the templating agent and a shell derived from the carbonaceous polymer.

The present disclosure relates to methods and apparatuses for depositing transition metal carbide-containing material on a substrate by a cyclic deposition process. The method comprises providing a substrate in a reaction chamber, providing a transition metal precursor into the reaction chamber in a vapor phase; and providing a second precursor into the reaction chamber in a vapor phase to form transition metal carbide-containing material on the substrate. The second precursor comprises a cyclic diene compound comprising a substituent comprising metalloid.

This invention relates to a tetrafluoroborate imidazole-based metal ionic liquid, its preparation method, and its application in coating aluminum powder. The invention pertains to the preparation method of a tetrafluoroborate imidazole-based metal ionic liquid and its use in combination with aluminum powder to form a core-shell fuel (aluminum powder@metal ionic liquid). The aluminum powder@metal ionic liquid core-shell fuel uses aluminum as the core and a tetrafluoroborate imidazole-based metal ionic liquid as the shell material, prepared via solvent evaporation. This series of core-shell fuels exhibits excellent thermal properties and is primarily suitable for solid propellant fuel applications. Furthermore, the preparation method provided by this invention is simple, operates under mild conditions, and uses readily available raw materials.

Methods for preparing a catalyst precursor material from dihalo-substituted metalloids are provided. The methods In include mixing a first solution of a halogenated alkane, at least one solvent, and a first component selected from a dihalo-substituted-group-14 metalloid or an organolithium reagent in a first reaction zone. Continuously adding the first solution to a second reaction zone, and continuously adding a second solution to the second reaction zone. The second solution including at least one solvent and a second component of either the dihalo-substituted-group-14 metalloid or the organolithium reagent, the second component is different from the first component. Mixing the first solution and the second solution in the second reaction zone.

The present invention discloses an ionic liquid modified metalloid carbide catalyst and its preparation method and application. The catalyst mainly comprises a metalloid carbide and an ionic liquid impregnated and supported on the metalloid carbide, wherein the mass of the ionic liquid is 20-60% of the total mass of the metalloid carbide and the ionic liquid. The ionic liquid is an imidazole ionic liquid, and its structural formula is shown in Formula I: wherein R1, R2, and R3 are the same or different and are independently selected from H, C n H 2n+1 or C m H 2m‑1 , n=1~20, m=2~20; X ‑ The catalyst of the present invention is provided with a new hydrophobic surface by the addition of ionic liquid, which is conducive to the transfer of oxygen to the reaction interface for 2e ‑ Oxygen reduction reaction can produce hydrogen peroxide with high selectivity.

The solvated metal particle-coating system includes a metal additive and a polar outer-sphere electron transferring solvent. The metal additive is solvated in the polar outer-sphere electron transferring solvent. The polar outer-sphere electron transferring solvent may include liquid ammonia, methylamine, and / or hexamethylphosphoramide. The metal additive may include an alkali metal and / or an alkaline earth metal. The solvated metal additive within the polar outer-sphere electron transferring solvent may be used to coat a metal particle and / or a metalloid particle as a layer. As the polar outer-sphere electron transferring solvent evaporates, the solvated metal additive is coupled to the metal particle and / or the metalloid particle.

The present invention includes systems and methods for a continuous-wave (CW) radar system for detecting, geolocating, identifying, discriminating between, and mapping ferrous and non-ferrous metals in brackish and saltwater environments. The radar system (e.g., the CW radar system) generates multiple extremely low frequency (ELF) electromagnetic waves simultaneously and uses said waves to detect, locate, and classify objects of interest. These objects include all types of ferrous and non-ferrous metals, as well as changing material boundary layers (e.g., soil to water, sand to mud, rock to organic materials, water to air, etc.). The radar system (e.g., the CW radar system) is operable to detect objects of interest in near real time.

A binder solution comprises a fugitive metal precursor, a thermoplastic binder, and a solvent. The fugitive metal precursor may comprise an alkaline earth metal, a transition metal, a post-transition metal, a metalloid, a rare earth metal, or combinations thereof. The fugitive metal precursor may comprise a salt such as carboxylate, nitrate, sulfate, carbonate, formate, chloride, halide, derivatives thereof, and combinations thereof. A method of manufacturing a part includes depositing a layer of particulate material on a working surface, selectively applying a binder solution into the layer of particulate material in a pattern representative of a layer of the part, repeating the steps of depositing and selectively applying to form a plurality of layers of particulate material with the applied binder solution, and curing the applied binder solution in the plurality of layers of particulate material with the applied binder solution to evaporate the solvent and form a green body part.

The present invention pertains to a grain-oriented electrical steel sheet having a base steel sheet, a glass cover film formed on the surface of the base steel sheet, and an insulating cover film formed on the surface of the glass cover film, the base steel sheet having a sheet thickness of 0.15-0.35 mm, the insulating coating film contains a phosphoric acid metal salt, amorphous silica, and an alkaline earth metal element other than magnesium, the amorphous silica is contained in an amount of 50-150 parts by mass per 100 parts by mass of the phosphoric acid metal salt, the total amount of the alkaline earth metal element is 1.0-20 parts by mass, and the moisture content of the insulating coating film is 0-0.04% by mass.

This invention discloses a heavy metal-free water-based anti-rust primer, its preparation method, and its application, relating to the field of water-based metal anti-corrosion coatings. The primer comprises a modified acrylic copolymer emulsion, a modified zinc phosphate-aluminum tripolyphosphate composite pigment, a diatomaceous earth composite filler, and a lignin sulfonate-grafted polycarboxylic acid dispersant. The modified acrylic copolymer emulsion is prepared by copolymerizing four monomers and then modifying them with epoxy silane and amino silane. The modified zinc phosphate-aluminum tripolyphosphate composite pigment is prepared by rare earth lanthanum ion loading and synergistic modification with a dual coupling agent. The diatomaceous earth composite filler is prepared by high-temperature activation, composite with nano-silica, and silane modification. Through the synergistic effect of its components, this invention significantly improves the primer's adhesion, resistance to damp heat, high temperature, kitchen fumes, weak acid resistance in food, and resistance to alkaline media in the kitchen, making it suitable for corrosion protection of various metal components in kitchens and commercial kitchens.