35 results about "Aluminium sulfide" patented technology

Characters of the invention are that materials of solid electrolyte Li : Al : S=1 :1 :2 (at mol ratio) are amorphous material. Aluminum sulphide is as framework of providing transmission space for lithium ion so as to obtain higher ionic conductivity (ionic conductivity in room temperature about 1.77*10-5S/cm), lower electron conductivity (electron conductivity in room temperature less than 1.0*10-8S /cm), lower activation energy of material, and wider thermostable range. The invention provides comparative ideal candidate of electrolyte material for practical lithium ion battery in full solid state.

The invention relates to esterifying reaction catalyst used animal and vegetable grease to manufacture biological diesel oil. It belongs to using anima and vegetable grease to manufacture biological diesel oil technique field. The catalyst includes A, B, and C three components; the A can be one or many of cadmium sulfate, zinc sulphate, or aluminium sulphate; the B is sulfuric acid quadric-ammino combine copper; the C is chromic oxide and aluminium sulfide. The invention also offers the manufacturing method. The esterifying reaction catalyst can effectively control the reaction direction to make the reversible reaction toward producing fatty acid methyl ester to make fatty glyceride esterifying ratio reach above 90%. Compared with the catalyst and application method, the invention can reduce catalyst reaction temperature, shorten catalyst reaction time, reduce end product processing program, and effectively increase biological diesel oil production quality, and reduce the fabrication cost.

The present invention relates to preparing ferro molybdenum from molybdenite concentrate, and more particularly, to a method for directly preparing ferro molybdenum having copper content of 0.5% or less from molybdenite with high copper content, without involving a separate process of eliminating copper, by inserting iron in a heating furnace and reacting same at a high temperature to prepare ferro molybdenum on the lower portion, and slag with aluminum sulfide and iron sulfide as main ingredients on the upper portion, so as to have most of the copper (80-95%) in the molybdenite exist in the slag layer. Compared to the existing thermite reaction, the present invention is advantageous in terms of a shorter process and reduced consumption of aluminum, which is a reducing agent.

Belonging to the technical field of adhesives, the invention relates to a preparation method of an epoxy resin adhesive suitable for offshore wind power blades. The method includes the steps of: by weight part, mixing hydroxy nitrile rubber, polysulfide rubber and a solvent uniformly, and conducting heating to dissolve the rubber; cooling the dissolved rubber obtained in step 1, then adding epoxy resin, triethanolamine, tetraethoxysilane, methylphenyl bis-ureido silane, aluminium disulphide, polymethyl methacrylate and ethyl acetoacetate in order, mixing them evenly to obtain a mixture I; then adding fumed silica, N, N-dibutyl dithiocarbamic acid zinc, and a plasticizer into the mixture I, and performing heating, uniform mixing and cooling to the mixture so as to obtain a first component; taking methylene diphenylamine, a silane coupling agent, a promoter and ethyl acetate, conducting heating, mixing them uniformly, and cooling the mixture to obtain a second component. The epoxy resin adhesive provided by the invention has good weather resistance to hot and humid conditions, salt fog conditions and the like on the sea, and is suitable for application in epoxy resin based wind power blades.

The invention provides a method for preparing a macroporous aluminium sulfide/aluminium oxide mercury removal agent. The method includes the steps of (1), mixing Rho-alumina powder, pseudo-boehmite dry powder and lubricant uniformly, adding solution containing phosphoric acid and ammonium dihydrogen phosphate, mixing, extruding and drying; (2), roasting the dry rods at the temperature of 950-1050DEG C to obtain an aluminum oxide carrier; (3), subjecting the aluminum oxide carrier to hot dipping in sodium polysulfide solution, standing in a closed and thermal-insulating environment, performingpurging of carbon dioxide, washing, and then drying at the temperature lower than 80 DEG C, so as to obtain the mercury removal agent. The mercury removal agent prepared by the method has high mercury removal precision and high capacity, taking off of powder is not easy to cause during long-term use, mercury removal precision and capacity is not affected by moisture and easy-to-coagulate hydrocarbon of materials, service cycle of the mercury removal agent is long, and changing frequency is low, and besides, the process that aluminum oxide carries sulphur is easy to control, and distribution of sulphur is uniform.

The invention discloses a concrete crack resistance modifier, which is prepared by the following raw materials by weight: 2.5-3.7 parts of aluminium sulfide, 1.3-2.6 parts of magnesium oxide, 0.5-1.6 parts of naphthalene water reducer, 2.3-4.6 parts of gum acacia, 2.5-4.5 parts of chlorosulfonated polyethylene, 1.2-1.8 parts of ammonium thiosulphate, 1.6-5.8 parts of carboxylated styrene-butadiene latex and 1.2-3 parts of ethylene propylene terpolymer. Compared with the prior concrete modifier, the product has the advantages of high surface toughness, low brittleness and improved low-temperature stability; the produced concrete has the advantages of decreased heat conduction coefficient, reduced heat absorption value, improved thermal resistance and cold resistance, reduced temperature sensitivity, improved high and low-temperature stability, thereby improving crack resistance performance of the concrete pavement road, increasing usage time limit of the pavement, and reducing maintenance cost.

The invention discloses a tungsten disulfide (WS2) nano powder material with an aluminum sulfide (Al2S3) shell, and a preparation method of the WS2 nano powder material, belonging to the technical field of preparation of nano materials. The nano powder material has a core-shell structure, wherein the inner core of the core-shell structure is WS2 nano-particles, and the shell of the core-shell structure is an Al2S3 layer; the inner core of the WS2 has the particle sizes of 10-100nm, and the Al2S3 shell layer is an amorphous Al2S3 layer and has the thickness of 1-10nm. According to the preparation method, tungsten powder and aluminum powder are pressed into a block according to a certain atomic percent by a plasma arc discharge method, and the block is taken as an anode material; graphite is taken as a cathode material; argon and hydrogen sulfide are taken as working gases; a certain distance is maintained between the cathode and the anode, and arc discharge is realized between the cathode and the anode, so that the WS2 nano powder material with the Al2S3 shell can be obtained. The preparation process is simple, the working procedure of aftertreatment is not needed, the cost is low, and industrial production can be easily realized.

The invention relates to a method for producing gelatinization materials of aluminate, ferroaluminate and thioaluminate by using power generation boiler, which it is characterized by that 70-80% of raw coal, 10-18% of bauxite raw material and 8-15% of caustic lime are mixed, ground and homogenized, then the obtained mixed material is fed into powder-falling pipe, passed through air passage and fed into combustion chamber, after combustion the ash granules are passed through electrostatic precipitator to obtain the finished product, such as aluminate, ferroaluminate and thioaluminate gelatinization materials.

The invention discloses a nickel sulfide (NiS) nanometer powdered material with an aluminium sulfide (Al2S3) casing and a preparation method thereof, and belongs to the technical field of preparing nanometer materials. The nanometer powdered material is in a core-shell structure, a kernel is an NiS nanometer particle, and the casing is an Al2S3 layer; the particle diameter of the NiS nanometer particle kernel is 10-100 nm, and the Al2S3 casing layer is an amorphous Al2S3 layer of which the thickness is 1-10 nm. According to the invention, a plasma arc discharge method is adopted, according to a certain atomic percent, nickel powder and aluminium powder are pressed into a block which is used as an anode material, a graphite is used as a cathode material, an argon gas and a hydrogen sulfide gas are used as a work gas, a certain distance is kept between a cathode and an anode, and arc discharge is generated between the cathode and the anode, so that the NiS nanometer powdered material with the Al2S3 casing is obtained. The preparation process of the nickel sulfide nanometer powdered material is simple, post-processing working procedures are avoided, and the cost is low, so that industrialized production is easy to realize.

Disclosed is a method for the continuous production of aluminum from alumina including a first step of converting alumina (Al₂O₃) into aluminum sulfide (Al₂S₃) and a second step of separation of aluminum from aluminum sulfide in a separating reactor. Wherein in the first step in a conversion reactor alumina is dissolved in a molten salt to form a melt and a sulfur containing gas is fed through the melt whereby the sulfur containing gas acts as a reagent to convert at least part of the alumina into aluminum sulfide and at least part of the melt is used in the second step. Further the invention relates to an apparatus for operating the method.

The invention discloses a high-energy-density aluminum secondary battery and a positive electrode material thereof, and a preparation method of the positive electrode material. The high-energy-densityaluminum secondary battery comprises a positive electrode containing a transition metal sulfide/sulfur composite positive electrode material, an electrolytic solution, a negative electrode and a diaphragm, wherein in the transition metal sulfide/sulfur composite positive electrode material, the transition metal sulfide is MxSy, M is a cation and comprises one or more solid solutions of Mo, Ti, Cu, Co, V, Fe, Cr, Ni, Mn, Zn, Sc, Nb, Mo, Zr, W, Re and Ta, x is greater than or equal to 0.01 and less than or equal to 9, y is greater than or equal to 1 and less than or equal to 8, x and y satisfycompound electric neutrality, the sulfur source comprises elemental sulfur and/or aluminum polysulfide Al2Sz, z is greater than or equal to 3 and less than or equal to 8, the mass percent of the transition metal sulfide is 5-95%, and the mass percent of the sulfur source is 5-95%.

The invention provides a method for preparing sulfide and mixed product of sodium sulfide and lithium sulfate by manganese-containing waste liquid, which comprises the steps of: leaching the manganese-containing waste liquid obtained by producing hydroquinone, and obtaining clear filtrate containing manganese sulfate, ammonium sulfate and sulfuric acid as well as a filter cake containing simple substance residue; leading the filter cake containing the simple substance residue to have reaction with the excess sulfuric acid, and obtaining solution containing calcium sulfate, magnesium sulfate, zinc sulfate, sodium sulfate, aluminum sulfate, cadmium sulfate and nickel sulfate; then, mixing the obtained solution and lithium sulfide solution for reaction, and obtaining mixed solution of the lithium sulfate and the sulfide containing calcium sulfide, magnesium sulfide, zinc sulfide, sodium sulfide, aluminium sulfide, cadmium sulfide and nickel sulfide; filtering the obtained mixed solution, and obtaining a mixed sulfide filter cake of the calcium sulfide, the magnesium sulfide, the zinc sulfide, the aluminium sulfide, the cadmium sulfide and the nickel sulfide as well as filtrate containing the sodium sulfide and the lithium sulfate; washing, drying, carrying out fractionation on the sulfide filter cake and grinding the sulfide filter cake, and obtaining the sulfide product; and finally, carrying out reduced pressure distillation and cooling crystallization on the filtrate containing the sodium sulfide and the lithium sulfate, and obtaining the mixed product of the sodium sulfide and the lithium sulfate.

The invention discloses a drilling waste drying agent as well as a preparation method and a use method thereof. The drilling waste drying agent contains a first component and a second component which are respectively and independently packaged, wherein the weight ratio of the first component to the second component is (0.1-5) to (1-10); the first component contains magnesium sulfate, sulphamic acid, magnesium chloride and aluminium sulfide in a weight ratio of (60-80) to (0.5-5) to (10-30) to (5-15); and the second component is quick lime with a CaO content of higher than 70%. By utilizing the drilling waste drying agent, drilling waste can be processed into an incompact, dried, clean, neat and high-plasticity material with a wide terminal processing surface; and furthermore, the drilling waste drying agent is small in dosage, low in cost, strong in operability and suitable for the drilling waste with a liquid phase content of not higher than 97%, and a solid-liquid separation link in a preliminary discharging stage can be omitted.

The invention discloses a synthesis method of aluminum sulfide, and belongs to the technical field of chemical synthesis. The method comprises the following steps: (1) weighing a certain amount of aluminum chloride and lithium sulfide; (2) uniformly mixing the above powders, transferring the uniformly mixed powder into a closed reactor and performing heating, and carrying out a constant temperature reaction for 1-100 h; and (3) separating a solid powder after the reaction to obtain aluminum sulfide. Compared with existing synthesis methods, the preparation method has simple synthesis process,mild reaction conditions, and relatively high purity of the synthesized aluminum sulfide.

The invention discloses a mordant for textiles. The mordant consists of the following substances in parts by weight: 30-38 parts of aluminum potassium sulfate dodecahydrate, 20-24 parts of cobaltous sulfate, 12-16 parts of copper sulfate, 8-12 parts of aluminum ammonium sulfate and 3-6 parts of aluminum sulfide. The mordant disclosed by the invention has the beneficial effects that the mordant for textiles overcomes the defects that the mordant is highly targeted and the product direction is single in the prior art by adjusting the composition and amount of the mordant, and the mordant for textiles can be suitable for various mordant dye and is good in market prospects.

The invention provides a method for preparing sulfide and mixed product of sodium sulfide and ammonium sulfate by manganese-containing waste liquid, which comprises the steps of: leaching the manganese-containing waste liquid obtained by producing hydroquinone, and obtaining clear filtrate containing manganese sulfate, the ammonium sulfate and sulfuric acid as well as a filter cake containing simple substance residue; leading the filter cake containing simple substance residue to have reaction with the excess sulfuric acid, and obtaining solution containing calcium sulfate, magnesium sulfate, zinc sulfate, sodium sulfate, aluminum sulfate, cadmium sulfate and nickel sulfate; then, mixing the obtained solution and ammonium sulfide solution for reaction, and obtaining mixed solution of the ammonium sulfate and the sulfide containing calcium sulfide, magnesium sulfide, zinc sulfide, sodium sulfide, aluminium sulfide, cadmium sulfide and nickel sulfide; filtering the obtained mixed solution, and obtaining a mixed sulfide filter cake of the calcium sulfide, the magnesium sulfide, the zinc sulfide, the aluminium sulfide, the cadmium sulfide and the nickel sulfide as well as filtrate containing the sodium sulfide and the ammonium sulfate; washing, drying and grinding the mixed sulfide filter cake, and obtaining the sulfide product; and finally, carrying out reduced pressure distillation and cooling crystallization on the filtrate containing the sodium sulfide and the ammonium sulfate, and obtaining the mixed product of the sodium sulfide and the ammonium sulfate.

The invention discloses a ball-milling synthetic method of aluminum sulfide, and belongs to the technical field of chemical synthesis. The method comprises the following steps: (1) weighing a certainamount of aluminum chloride and lithium sulfide; (2) uniformly mixing the powder, putting the uniformly mixed powder into a ball-milling tank, and carrying out a mechanical ball-milling reaction; and(3) separating the reacted solid powder to obtain the aluminum sulfide. Compared with an existing synthetic method, the synthetic method provided by the invention has the advantages that heating conditions do not need to be provided by the outside, the preparation process is simple, the reaction conditions are mild, and the synthesized aluminum sulfide has higher purity.