207 results about "Oxychlorination" patented technology

The invention discloses high-purity hafnium oxide and a preparation method thereof, and relates to the technical field of hydrometallurgy. The preparation method of the high-purity hafnium oxide comprises the following steps: crushing a hafnium oxide raw material to obtain hafnium oxide powder; sequentially carrying out alkali fusion, water immersion and filtration treatment on the hafnium oxide powder to obtain a hafnium hydroxide filter cake; dissolving the hafnium hydroxide filter cake in a sulfuric acid solution to obtain a hafnium sulfate solution; adding sodium sulfate into the hafnium sulfate solution to obtain hafnium-containing double salt; dissolving the hafnium-containing double salt in a sulfuric acid solution, heating, evaporating, cooling and crystallizing to obtain hafnium sulfate crystals; dissolving the hafnium sulfate crystal in concentrated hydrochloric acid to obtain a hafnium oxychloride solution, heating, evaporating, cooling and crystallizing to obtain a hafnium oxychloride crystal; dissolving the hafnium oxychloride crystal in pure water, adding an oxalic acid solution, and precipitating to obtain hafnium oxalate; and calcining hafnium oxalate to obtain high-purity hafnium oxide. The preparation method of the high-purity hafnium oxide is green, environment-friendly, simple and efficient.

The invention discloses an alkali metal ion oxychloride-based solid electrolyte material and a solid-state battery, and belongs to the technical field of solid electrolyte. The chemical general formula of the solid electrolyte material provided by the invention is A < 2-2x > Zr < 1-x > M < 2x > Cl < 6-6x > O < 3x >, wherein A is an alkali metal element Li or Na; m is metal or lanthanide elements of In, Bi, Sb, Ce and La; x is more than 0 and less than or equal to 0.3. The oxychloride-based solid electrolyte is prepared by the following preparation method: respectively weighing precursor ACl, ZrCl4 and M2O3 (A = Li and Na, and M = In, Bi, Sb, Ce and La) powder materials according to the stoichiometric ratio of a general formula, and carrying out one-step high-speed ball milling, so as to prepare target solid electrolyte powder; the method is applied to solid-state batteries. The alkali metal ion oxychloride-based solid electrolyte shows the advantages of high ionic conductivity, wide electrochemical window, air stability, good deformability and the like in a solid-state battery, and has the advantages of low cost, simple synthesis process, easiness in condition control and the like.

The invention belongs to the technical field of pyridone ethanolamine salt synthesis, and discloses an environment-friendly pyridone ethanolamine salt preparation process which comprises the following preparation steps: enabling isononanoyl chloride and 3, 3-methyl dimethacrylate to react under the catalysis of a solid acid catalyst to prepare 3, 7, 9, 9-tetramethyl-2-decene-5-keto acid methyl ester, and enabling the 3, 7, 9, 9-tetramethyl-2-decene-5-keto acid methyl ester to react under the catalysis of a solid acid catalyst to prepare 3, 7, 9, 9-tetramethyl-2-decene-5-keto acid methyl ester. The preparation method of the solid acid catalyst comprises the following steps: S1, taking water as a solvent, adding 14-16 parts by weight of zirconium oxychloride, 1-3 parts by weight of titanium sulfate, 0.1-0.5 part by weight of chloroplatinic acid and 0.05-0.4 part by weight of cerium chloride, adjusting the pH value to 10-11, and aging to obtain a precipitate; s2, roasting the precipitate obtained in the step S1 in an air atmosphere at 500-600 DEG C to obtain a solid acid catalyst; the method has the advantages that the catalyst is easy to recycle, and the reusability is high.

The invention discloses SiZrOC resin capable of realizing photocuring 3D printing as well as a preparation method and application of the SiZrOC resin, and belongs to the technical field of ceramic 3D printing. The preparation method of the SiZrOC resin comprises the following steps: 1, dissolving zirconium oxychloride in a solvent A, adding a chelating agent and triethylamine, and uniformly mixing to obtain a solution A; mixing silane, a solvent B and deionized water, and fully and uniformly mixing to obtain a solution B; step 2, dropwise adding the solution A into the solution B, and reacting for a period of time to obtain SiZrOC sol; step 3, carrying out rotary evaporation on the SiZrOC sol to obtain white turbid high-viscosity resin; and step 4, uniformly dispersing the high-viscosity resin and the organic solvent, then carrying out reduced pressure filtration to obtain clear and transparent faint yellow filtrate, and carrying out rotary evaporation treatment on the filtrate to obtain the faint yellow transparent SiZrOC resin. The ceramic part prepared by the polymer derived ceramic 3D printing technology has ultrahigh mechanical property and high temperature resistance.

The invention belongs to the field of catalyst regeneration, and provides a regeneration method of a platinum-based low-carbon alkane dehydrogenation catalyst, which specifically comprises the following steps of: simultaneously carrying out charking and oxychlorination operations before a deactivated catalyst reaches the highest roasting temperature, and adding agent pouring treatment in the regeneration process, and measures for protecting the dispersity of platinum on the catalyst are added in the reaction heating process of the catalyst and after the application is finished, so that the service life of the catalyst is prolonged. According to the regeneration method, the regeneration step of the deactivated catalyst is simplified, chlorine injection, water injection, vulcanization and other operations are not needed, charking, oxychlorination and different reduction depths caused by different positions of the catalyst are avoided, the performance uniformity of the catalyst and the redispersity of platinum are improved, and the regeneration efficiency is improved. The problems that in an existing regeneration method, the dispersity of active components is low, the number of repeated regeneration times is small, and the performance of the catalyst is reduced are solved, the regenerated catalyst obtained through the regeneration method is not lower than that of a fresh catalyst in the aspects of catalyst conversion rate, selectivity and stability, and the regeneration effect is remarkable.

The invention provides an oxychloride solid electrolyte as well as a preparation method and application thereof, and belongs to the technical field of all-solid-state lithium battery materials. The chemical general formula of the oxychloride solid electrolyte disclosed by the invention is xLi2O-(1-y) ZrCl4-yAlCl3, wherein 0 lt; x is less than or equal to 3, 0lt; y < = 1. Compared with other solid electrolytes such as sulfides, halides, oxides and the like (the Young modulus mostly exceeds 20 GPa and even is higher than 100 GPa), the oxygen chloride solid electrolyte has lower Young modulus (not higher than 4 GPa); the all-solid-state lithium battery assembled by using the oxychloride solid electrolyte disclosed by the invention has excellent surface capacity and long cycle stability.

The invention provides a method for screening activated carbon to catalyze chlorine oxidation to remove manganese, and belongs to the technical field of water treatment, catalysis and computational chemistry. The method for screening the activated carbon for catalytic manganese removal comprises the following steps: acquiring different physicochemical characteristic indexes of different activated carbon, wherein the physicochemical characteristic indexes are obtained by performing physicochemical characterization on the activated carbon; manganese removal efficiency indexes of different activated carbon are obtained, wherein the manganese removal efficiency indexes are obtained through tests of activated carbon catalytic oxychlorination manganese removal; performing correlation analysis on different physicochemical characteristic indexes and manganese removal efficiency indexes of different activated carbon, and determining a decisive index of activated carbon catalytic oxychlorination manganese removal according to a Pearson's correlation coefficient; performing linear regression fitting on at least one index in the decisive indexes and a manganese removal efficiency index to obtain a fitting coefficient; and screening out target activated carbon suitable for catalytic manganese removal according to the fitting coefficient, and predicting the catalytic oxychlorination manganese removal efficiency of the target activated carbon.

The invention discloses compression-resistant glass and a preparation method thereof, and relates to the technical field of special glass. When the compression-resistant glass is prepared, an anorthite crystal phase is used as a main material, a wollastonite crystal phase is used as an auxiliary material, and zinc, barium, boron, sodium, antimony and titanium elements are added, so that the compression-resistant glass ceramic is prepared; the preparation method comprises the following steps: mixing tetraethoxysilane, zirconium oxychloride octahydrate and 3-glycidyl ether oxypropyl trimethoxy silane, adding hydrochloric acid, and stirring to obtain modified sol; the preparation method comprises the following steps: mixing hydroxyl-terminated polysiloxane, trimethyl ethyoxyl silane, methyl triethyoxyl silane and octadecyl triethyoxyl silane, adding a hydrochloric acid solution, and reacting to prepare an organosilane modified solution; mixing the modified sol and the organosilane modified solution, coating the surface of the compression-resistant microcrystalline glass with the mixture, and curing to obtain the compression-resistant glass. The compressive glass prepared by the invention has the advantages of high compressive strength, hydrophobicity, wear resistance and high surface hardness.

The invention belongs to the technical field of glass fiber composite materials, and particularly relates to a flame-retardant, heat-insulating and sound-absorbing composite material and a preparation method thereof. By adding zirconium oxychloride, gadolinium nitrate and other materials, the flame retardant property of the composite material is enhanced, the inflammability of the composite material under a high-temperature condition is effectively reduced, and the safety of the material under an extreme condition is improved; the introduction of the phase change material is beneficial to heat management of the material, and heat can be absorbed and stored in a high-temperature environment, so that a good heat insulation effect is provided; the materials such as the modified glass fibers and the basalt fibers are added, and the fibers have good acoustic performance and can effectively reduce noise transmission, so that the sound absorption effect is improved; therefore, the mechanical property of the material is improved, the good durability and stability of the material are ensured, and the long-term reliability of the material is ensured.

The invention discloses a preparation method of an oxychloride electrolyte material, the oxychloride electrolyte material and an all-solid-state battery, and the method comprises the following steps: providing raw materials; the raw materials comprise metal chloride and lithium hydroxide; and reacting the metal chloride in the raw material with lithium hydroxide in an inert gas atmosphere to obtain the oxychloride electrolyte material generated by the reaction. Lithium hydroxide is used as a lithium raw material, the price is low, the preparation cost is reduced, hydrogen chloride is generated in the mixing preparation process, an acidic catalysis environment is provided, and the preparation time is shortened; an oxygen element and a chlorine element are introduced into the prepared oxychloride electrolyte material, an oxygen-chlorine frame structure formed by the oxygen element and the chlorine element is an obvious flexible ion frame structure, and the ion frame structure reduces the diffusion activation energy of lithium ions, so that the room-temperature ion conductivity of the oxychloride electrolyte material is improved.

This invention discloses a method for preparing high-purity zirconium oxide, belonging to the field of compound preparation technology. The method provides a breakthrough adjustment of the final concentration state and the cooling process after concentration and evaporation of an acidic zirconium oxychloride solution under the action of an oxidant. Simultaneously, crystallization is achieved through a two-stage concentration and evaporation process, followed by calcination to obtain hafnium-free zirconium oxide. The resulting zirconium oxide not only has a high yield but also high purity. Furthermore, the technical solution of this invention avoids the generation of ammonia nitrogen wastewater as in existing technologies, thus not only avoiding environmental impact but also significantly reducing production costs through the recycling of hydrochloric acid condensation, achieving a green and environmentally friendly effect.

The invention discloses a flexible lanthanum zirconate-alumina fiber membrane as well as a preparation method and application thereof, and belongs to the technical field of inorganic nonmetal ceramic fiber materials. The preparation method comprises the following steps: dissolving zirconium oxychloride octahydrate, lanthanum chloride heptahydrate and aluminum chloride hexahydrate into absolute methanol, sequentially adding acetylacetone and triethylamine, stirring, and drying under reduced pressure to obtain a zirconium-lanthanum-aluminum polymer precursor containing triethylamine hydrochloride; soaking the zirconium-lanthanum-aluminum polymer precursor containing triethylamine hydrochloride in acetone, standing, filtering, concentrating under reduced pressure, and drying to obtain a zirconium-lanthanum-aluminum acetylacetone polymer precursor; the preparation method comprises the following steps: preparing a spinning solution from a zirconium-lanthanum-aluminum acetylacetone polymer precursor, absolute methanol serving as a solvent and polyoxyethylene serving as a spinning aid, and carrying out electrostatic spinning on the spinning solution to obtain a lanthanum zirconate-aluminum oxide precursor fiber membrane; and performing heat treatment on the lanthanum zirconate-aluminum oxide precursor fiber membrane to obtain the flexible lanthanum zirconate-aluminum oxide fiber membrane. According to the preparation method, acetylacetone is added into zirconium oxychloride, lanthanum chloride and aluminum chloride for coordination to form a linear zirconium-lanthanum-aluminum acetylacetone polymer, so that the technical problem that lanthanum zirconate long fibers with high strength and good flexibility are difficult to obtain is solved.

The invention discloses multi-component composite doped zirconium oxide powder for a solid fuel cell and a preparation method of the multi-component composite doped zirconium oxide powder, and belongs to the technical field of solid fuel cells. The process comprises the following steps: mixing zirconium oxychloride with a stabilizer soluble salt and a composite additive, adding water, heating and hydrolyzing to obtain a mixed solution, continuously stirring, adjusting the pH value, filtering, cleaning and drying to obtain mixed powder A; zirconium oxychloride, carbon nanotubes and an organic framework are mixed and modified, a modified mixture, yttrium oxide, calcium oxide and magnesium oxide are mixed and ground, and mixed powder B is obtained; and grinding and mixing the mixed powder A and the mixed powder B, and carrying out two-step calcination to obtain the multi-component composite doped nano zirconium oxide powder. The nano zirconium oxide powder disclosed by the invention has relatively high oxygen ion conductivity, can keep excellent stability in a high-temperature environment, meets the high-performance requirements of various solid fuel cell electrolytes, and has good market competitiveness.

The invention belongs to the technical field of rhenium alloy materials, and particularly relates to a high-strength rhenium alloy material and a preparation method thereof. The rhenium alloy material is prepared from the following raw materials in percentage by mass: 12 to 24 weight percent of molybdenum, 6 to 9 weight percent of niobium, 2 to 5 weight percent of cobalt, 1 to 3 weight percent of tungsten, 0.5 to 1.2 weight percent of modified tantalum carbide, 3 to 6 weight percent of high-entropy rare earth and the balance of rhenium and other inevitable impurities. The modified tantalum carbide is prepared by the following preparation process: adding tantalum chloride, zirconium oxychloride and phenolic resin into a mixed solution of acetylacetone and n-butyl alcohol, stirring for 1-2 hours under a heating condition, dropwise adding ammonia water, continuously stirring for 0.5-1 hour, and drying to obtain a precursor; calcining the precursor, and cooling to obtain the modified tantalum carbide. The rhenium alloy prepared through the method has high hardness, good bending strength and excellent high-temperature mechanical property.

The invention relates to the technical field of petrochemical industry, and discloses a dehydrogenation catalyst regeneration method, which comprises: (1) carrying out first charring on a spent catalyst in a first-stage charring zone, and carrying out second charring on the spent catalyst in a second-stage charring zone; (2) enabling the product after the second charring to pass through a drying zone, an oxychlorination zone and a cooling zone to obtain a regenerated catalyst; wherein gases discharged from the first-section charring area, the second-section charring area and the oxychlorination area are respectively and independently circulated. According to the method, the drying area is arranged below the scorching area, so that independent circulation of gases in the scorching area and the oxychlorination area is realized, the noble metal dispersity of the low-carbon alkane dehydrogenation catalyst can be improved, and the regeneration effect of the catalyst is improved.

The invention provides a neutralization and utilization method of an acidic waste etching solution. The method comprises the following steps: mixing the acidic etching waste liquid with an ammonium bicarbonate solution; in the mixing process, the mixing temperature is controlled to be 40-60 DEG C, the pH value is adjusted to be 3.5-4.5, and slurry is obtained; separating the slurry to obtain copper oxychloride wet crystals and an ammonium chloride crude product solution; carrying out dechlorination treatment on the copper oxychloride wet crystals by using an alkaline solution, and filtering to obtain a copper oxide filter cake and chloride waste liquid; the temperature of the dechlorination treatment is 70-90 DEG C; performing post-treatment on the copper oxide filter cake to obtain copper sulfate; and carrying out precipitation treatment on the ammonium chloride crude product solution to obtain an ammonium chloride finished product solution. Wherein the step S3 and the step S4 have no sequence. According to the method, electroplating-grade copper sulfate and industrial-grade ammonium chloride products are prepared by using ammonium bicarbonate and realizing full utilization of anions and cations in the acidic etching waste liquid.

The utility model provides a system for producing vinyl chloride through oxychlorination, and belongs to the field of vinyl chloride synthesis. According to the system for producing vinyl chloride through oxychlorination, dichloroethane is prepared through the oxychlorination reaction unit, then the dichloroethane is refined through the refining unit, then the refined dichloroethane is cracked in the cracking unit to prepare vinyl chloride, and finally the vinyl chloride is obtained through purification in the vinyl chloride refining unit. Dichloroethane is prepared through a direct chlorination reaction unit, so that the yield of dichloroethane is increased, and a raw material is provided for cracking of dichloroethane; according to the system for producing vinyl chloride through oxychlorination, dichloroethane is prepared through the oxychlorination reaction unit and the direct chlorination unit, so that the working efficiency of the system is improved.

The invention relates to a Zr-MOF-based functional flame retardant and a preparation method and application thereof, zirconium oxychloride, amino-containing dicarboxylic acid, organic acid and water are mixed, the molar ratio of zirconium oxychloride to amino-containing dicarboxylic acid is 1: 1, the mass ratio of organic acid to water is x: (100-x), 1 < = x < = 40, stirring reaction is carried out at 50-100 DEG C for 0.5-12 h, paraformaldehyde and a phosphorus-containing flame retardant are added, stirring reaction is carried out at 50-100 DEG C for 0.5-12 h, and the Zr-MOF-based functional flame retardant is obtained. Wherein the molar ratio of the amino-containing dicarboxylic acid to the paraformaldehyde to the phosphorus-containing flame retardant is 1: (1-2): (1-2), the molar ratio of the paraformaldehyde to the phosphorus-containing flame retardant is 1: 1, then continuously reacting for 4-8 hours at the temperature of 70-100 DEG C, and after the reaction is finished, filtering, washing and drying to obtain the Zr-MOF-based functional flame retardant.

In a process for producing 1,2-dichloroethane, the process includes the steps of: (i) providing a fluidizable catalyst; (ii) charging a fluidizable catalyst into a fluidized bed reactor; (iii) fluidizing the catalyst in the reactor; (iv) heating the catalyst in the fluidized bed reactor to a temperature greater than 150° C. for more than 6 hours while fluidizing the catalyst in the reactor, wherein the fluidizing and heating steps are performed in the absence of ethylene conversion; and (v) converting ethylene to 1,2-dichloroethane in the presence of the catalyst after the heating step.

The invention discloses a high-pressure-resistant lead barium titanate-based thermal sensitive ceramic and a preparation method thereof, and belongs to the technical field of material science, a core layer of the high-pressure-resistant lead barium titanate-based thermal sensitive ceramic comprises the following raw materials in parts by mole: 2-5 parts of lead tetraoxide, 25-39 parts of barium carbonate, 30-45 parts of titanium dioxide, 0.03-0.3 part of manganese oxide and 0.2-0.4 part of niobium oxide; the shell layer comprises the following raw materials in parts by mole: 1-15 parts of a barium compound, 5-20 parts of a titanium compound, 0-3 parts of a strontium compound, 0-5 parts of a calcium compound, 0.5-5 parts of zirconium oxychloride and 1-8 parts of a tin compound; the preparation method comprises the following steps: mixing the raw materials of the core layer, calcining at 1000-1100 DEG C, adding a deionized water solution of the raw materials of the shell layer, mixing, spray-drying, calcining at 950-1050 DEG C, adding a polyvinyl alcohol water solution, granulating, forming, degumming and sintering. The ceramic prepared by the preparation method disclosed by the invention has high voltage-resistant characteristic and excellent PTC (Positive Temperature Coefficient) effect.

The invention relates to the field of hydrometallurgy, and discloses a method for converting hafnium oxalate feed liquid into hafnium oxychloride feed liquid, which is characterized by comprising the following steps: adding an HCl solution and an oxidizing agent into the hafnium oxalate feed liquid, and reacting at a certain temperature to obtain a hafnium oxychloride solution. The method has the advantages of simple operation, no introduction of any metal impurity ions, small reagent consumption, low energy consumption, low cost, high efficiency, no physical state change, and realization of continuous production. The method for adding the HCl solution and the oxidizing agent into the oxalate feed liquid is also suitable for converting oxalate solutions of other metal ions into chloride solutions, including but not limited to zirconium oxalate, titanium oxalate, thorium oxalate, scandium oxalate, niobium oxalate, tantalum oxalate, vanadium oxalate, cobalt oxalate, cesium oxalate and rubidium oxalate.

The invention relates to the technical field of catalyst preparation, and provides an ethylene oxychlorination catalyst and a preparation method thereof, and a method for preparing 1, 2-dichloroethane through ethylene oxychlorination. The gamma-Al2O3 and the Y-type molecular sieve are used as the composite carrier, so that the composite carrier has a unique pore structure, adjustable acid-base property and excellent thermal stability to resist formation of carbon deposition. Due to the unique pore structure of the composite carrier, the active components can be more uniformly distributed on the composite carrier, the agglomeration of the active components is reduced, the effective utilization rate of the active components is enhanced, and the high activity of the reaction is kept. According to the ethylene oxychlorination catalyst disclosed by the invention, gamma-Al2O3 and the Y-type molecular sieve are taken as the composite carrier, and the active component copper element is combined, so that the ethylene oxychlorination catalyst can realize oxychlorination of ethylene under normal pressure, the hydrogen chloride conversion rate is high, and the selectivity of 1, 2-dichloroethane is high.

The invention relates to a liquid-phase synthesis method of an oxychloride electrolyte material, and belongs to the technical field of electrolyte material synthesis. The method comprises the following steps: mixing reaction raw materials in a solvent, and reacting to obtain a solution; evaporating the solution to obtain solid particles; and carrying out heat treatment on the solid particles to obtain the oxychloride electrolyte material LixMOyClz, wherein the reaction raw materials comprise a lithium source and an M source, and the M source comprises chloride of M; the chloride of M is adopted as an M source and is matched with a lithium source to form a reaction raw material, the characteristic that most of metal chlorides are soluble in water is utilized, the reaction raw material is prepared into an aqueous solution to form a liquid-phase synthesis system, then solids separated out through evaporation are subjected to proper heat treatment, and the oxychloride electrolyte material is prepared. And the problems of high energy consumption, long time consumption and easy introduction of impurities in preparation of the oxyhalide electrolyte material by a solid phase method are improved.

A catalyst regeneration gas loop is operated in a heat exchanger decoking mode. A regeneration gas is diverted away from a burn zone of the catalyst regeneration gas loop and to a heat exchanger, where coke deposits are disposed on a surface of the heat exchanger. The regeneration gas is prevented from flowing to an oxychlorination / calcination zone of the catalyst regeneration gas loop. Within the heat exchanger, the coke deposits are combusted with oxygen of the regeneration gas, thereby removing the coke deposits from the surface of the heat exchanger and producing carbon dioxide. Oxygen is replenished to the regeneration gas. The regeneration gas is recycled to the heat exchanger.

The invention belongs to the technical field of zirconium oxychloride preparation, and particularly relates to a preparation method of zirconium oxychloride. The preparation method of the zirconium oxychloride comprises the following steps: (1) carrying out acid leaching on waste fused zirconia corundum brick powder; (2) alkali fusion roasting of filter residues; (3) leaching with hot water and refluxing with hydrochloric acid; (4) purification treatment; and (5) post-treatment. According to the preparation method of the zirconium oxychloride, the waste fused zirconia corundum brick powder is used as a raw material, the problem of solid waste disposal of retired waste fused zirconia corundum bricks of a glass kiln is solved, efficient recycling of resources is achieved, a non-renewable resource zircon sand raw material is partially replaced, and the production cost is reduced; the high-purity zirconium oxychloride is prepared through acid leaching, alkali fusion, hot water leaching, hydrochloric acid reflux conversion, purification and aftertreatment.

The invention belongs to the technical field of auxiliary preparation, and provides a curing material applied to a flameless combustion process of copper-containing sludge and a preparation method. The preparation method comprises the following steps: firstly, mixing iron nitrate nonahydrate, ferrous sulfate heptahydrate, a manganous nitrate solution and citric acid to prepare a ferrite precursor; further, a rare earth phosphate nano dispersion is synthesized through a hydrothermal method, lanthanum nitrate hexahydrate and cerium nitrate hexahydrate are used as rare earth sources, and ammonium dihydrogen phosphate and ammonium fluoride are introduced to provide phosphate radicals and fluorine ions; meanwhile, multi-element co-doped amorphous powder is prepared through a sol-gel method, tetraethoxysilane serves as a silicon source, zirconium oxychloride octahydrate, tetra-n-butyl titanate and niobium pentachloride are supplemented, a thermally stable amorphous oxide matrix is formed under high-temperature heat treatment, and the high-temperature mechanical property is provided; and finally, mixing kaolin or bentonite mineral powder with the synthesized ferrite precursor, the rare earth phosphate nano dispersion, the multi-element amorphous powder and other auxiliaries to form slurry, and drying to form the curing material.

A nano-suspension dispersion of dicopper chloride trihydroxide and the preparation of a nano-suspension dispersion with the particle size of less than 100 nanometers, especially less than 50 nanometers. The present invention belongs to the field of nano pesticides, and particularly relates to a pesticide variety insoluble in water and a solvent. The nano-suspension dispersion of dicopper chloride trihydroxide is a nano-suspension in which dicopper chloride trihydroxide particles are dispersed in a water-soluble polymer dispersant that is present in the form of a random coil structure in water.

The invention relates to the technical field of alloy additives, and discloses a high-toughness corrosion-resistant manganese additive for aluminum alloy and a preparation and application method thereof.The additive is prepared from, by mass, 50-65 parts of nanometer manganese alloy powder, 10-18 parts of magnesium-zirconium composite modifier, 4-9 parts of titanate coupling agent, 3-6 parts of dispersing aid and 2-5 parts of high-temperature stabilizer; the magnesium-zirconium composite modifier is a compound system of magnesium nitrate and zirconium oxychloride, and the molar ratio of magnesium element to zirconium element in the magnesium-zirconium composite modifier is 3: 1-5: 1. The dispersion uniformity of the additive is larger than or equal to 96%, after the additive is added, the impact toughness of the aluminum alloy is improved by 45%, the salt spray corrosion resistance reaches 600 h or above, the high-temperature (300 DEG C) stability is improved by 30%, the additive is suitable for various aluminum alloy systems such as 2024 and 6063, the preparation cost is reduced by 22%, and the industrial prospect is wide.

The invention provides an ultrafast synthesis method of rare earth oxychloride. The ultrafast synthesis method comprises the following steps: step 1, preparing a powder precursor; and 2, putting the powder precursor into a graphite tube, and carrying out heat treatment by adopting a rapid Joule heating technology to obtain the rare earth oxychloride material. The method is simple in process, energy consumption is reduced by 90% or above compared with traditional roasting, no organic solvent is needed, and the product is high in crystallinity and controllable in morphology.

The utility model belongs to the technical field of zirconium oxychloride preparation, and particularly relates to a stirring device for preparing zirconium oxychloride, which comprises a blanking barrel, a stirring barrel and a stirrer, the blanking barrel is connected with the stirring barrel through a spiral conveyor, a liquid inlet pipe and a liquid outlet pipe are arranged on the stirring barrel, the stirrer is rotatably connected in the stirring barrel, and the liquid outlet pipe is connected with the liquid outlet pipe. The stirring barrel comprises a shell, a heat preservation layer, a heating piece and an inner container, the heat preservation layer is arranged in the shell, the heating piece is arranged in the heat preservation layer, the inner container is arranged in the heating piece, and waste heat utilization mechanisms are arranged on the discharging barrel and the liquid outlet pipe; compared with the prior art, the liquid outlet pipe preheating device has the advantages that the liquid outlet pipe can be preheated to preheat zirconium oxychloride, energy is saved, and production efficiency is improved.