945 results about "Magnesium salt" patented technology

The invention belongs to the technical field of organic pollution treatment, and relates to a biochar-LDH-nZVI-GO composite material for organic pollution remediation and a preparation method and application thereof.The preparation method comprises the steps that graphene oxide is ultrasonically dispersed in deionized water, magnesium salt and aluminum salt are added to form uniform suspension liquid, then the uniform suspension liquid is mixed with biochar suspension liquid, and the biochar-nZVI-GO composite material is obtained; carrying out pH (Potential of Hydrogen) regulation and a hydrothermal crystallization reaction, so as to prepare a biochar-Mg / Al-LDH-GO compound; and dispersing the compound in an organic solvent, sequentially adding FeSO4. 7H2O and a NaBH4 solution in an inert atmosphere to carry out a reduction reaction, and finally washing and drying to obtain the biochar-LDH-nZVI-GO composite material. The material shows high-efficiency removal capacity on various organic pollutants such as trichloroethylene, chlorobenzene and polychlorinated biphenyl, is suitable for high-efficiency green remediation of organic pollutants in soil and water, and has good popularization and application prospects.

The invention relates to a preparation method of a catalyst for synthesizing 2, 6-dimethylphenol, which comprises the following steps: mixing ferric salt, aluminum salt, magnesium salt, an acidic material and water to obtain a solution A; mixing sodium silicate, a template agent and water to obtain a solution B; mixing the solution A and the solution B, aging, crystallizing, filtering, drying and calcining to obtain a catalyst precursor I; mixing with an alkaline solution, and filtering to obtain a catalyst precursor II; then mixing with an acidic solution, filtering to obtain a solid, and then washing and calcining to obtain a catalyst; the preparation method of the 2, 6-dimethylphenol comprises the following step of preparing the 2, 6-dimethylphenol by taking methanol, phenol, water and benzoic acid as raw materials in the presence of the catalyst. The catalyst provided by the invention has good catalytic activity, reduces the problem of carbon deposition, and has good selectivity and high phenol conversion rate when being used for preparing 2, 6-dimethylphenol.

The invention discloses a rechargeable magnesium battery composite electrolyte and a preparation method and application thereof, the electrolyte comprises an organic ether solvent, an electrolyte magnesium salt and an additive, and the additive is one or two of a sulfimide additive or a phosphate additive. By introducing the sulfimide additive into the organic ether solvent electrolyte containing the electrolyte magnesium salt, the kinetic performance of the electrolyte is remarkably improved under the mutual synergistic effect of all the components, the solvation structure of electrolyte magnesium ions is effectively regulated and controlled, the dissolution of the electrolyte magnesium salt is accelerated, the conductivity of the magnesium ions is improved, and the service life of the electrolyte is prolonged. Reversible electrochemical circulation of the magnesium symmetric battery under high current density is realized, the cycle life of the battery is prolonged, a phosphate ester additive is continuously introduced, a phosphorus-rich magnesium ion conductive interface film is formed on the surface of magnesium metal, the transmission capacity of Mg < 2 + > is enhanced, the overpotential and potential barrier of magnesium negative electrode dissolution / deposition are reduced, and the performance of the battery is improved. Therefore, the electrochemical reversibility and coulombic efficiency of the asymmetric battery are improved.

The invention discloses an efficient wet desulfurization synergist and a preparation method thereof, and relates to the technical field of flue gas desulfurization. The efficient wet desulphurization synergist comprises the following raw materials in parts by weight: 10-20 parts of sodium formate, 5-10 parts of citric acid, 20-30 parts of binary acid, 5-6 parts of a surfactant, 15-20 parts of magnesium salt, 12-18 parts of sodium salt and 2-5 parts of a pH buffer agent. The preparation method comprises the following steps: reacting cyanuric chloride with lauryl amine to generate a monosubstituted compound; then reacting with L-asparaginic acid to generate a disubstituted compound; reacting with diethylenetriamine to generate a bis-triazine ring compound; and finally, reacting with sodium 2-chloroethanesulfonate to generate the surfactant. The high-efficiency wet desulphurization synergist prepared by the invention has a desulphurization effect.

The invention relates to the technical field of metal amino acid chelate preparation, and discloses high-bioavailability magnesium glycinate and a preparation method thereof.The method comprises the steps that a glycine solution and a magnesium salt solution are mixed, the initial pH value is adjusted to be within the alkaline range, and a low-polarity organic phase is added to construct a two-phase solvent system; dynamically adjusting the pH value of the reaction system by stages, and sequentially inducing amino and carboxyl of glycine to chelate magnesium ions step by step to form a chelate; and blending the chelated product with a chitosan-sodium alginate composite carrier, and carrying out spray drying to obtain magnesium glycinate particles. The molar ratio of magnesium ions to glycine in the chelating structure of magnesium glycinate is 1: 3. Through the synergistic effect of dynamic pH regulation and a two-phase solvent system, directional synthesis of the magnesium glycinate 1: 3 high-coordination chelate is achieved, the bioavailability and the targeted slow release performance are remarkably improved by combining a composite carrier nano embedding technology, and meanwhile, the process is efficient and environmentally friendly.

The invention discloses an efficient defluorination material and a preparation method thereof, and relates to the technical field of wastewater treatment. The specific preparation method comprises the following steps: adding magnesium salt and rare earth salt into water to obtain a mixed solution, then adding a template agent solution and a carrier, heating, then adding a precipitator solution, reacting to obtain a precursor, performing hydrothermal reaction on the precursor, separating out precipitate, and finally washing and drying to obtain the fluorine adsorption material. The carrier is a cross-linked microsphere, and the cross-linked microsphere is obtained by cross-linking a chitosan modifier and ethylene glycol diglycidyl ether; the high-efficiency defluorination material prepared by the preparation method disclosed by the invention is high in adsorption capacity, has very high adsorption capacity on fluorine ions, can be recycled for multiple times, and has very high value on treatment of fluorine-containing wastewater.

The invention relates to a method for extracting lithium from aluminum-lithium alloy waste, which comprises the following steps: dissolving the aluminum-lithium alloy waste by using acid, and then evaporating the mixed solution obtained by dissolving to obtain a crystal to be treated; roasting the to-be-treated crystal, so that lithium and other metal elements in the to-be-treated crystal exist in different forms, and obtaining roasted powder; and the roasted powder is leached, and a leaching mixed solution is obtained. According to the method, all elements in the aluminum-lithium alloy waste are dissolved into ions through acid, aluminum salt, magnesium salt and the like in the crystals to be treated are converted into oxides through roasting, lithium can be leached into the solution through leaching, the purpose of lithium extraction is achieved, the method is easy to operate, the process is short, the lithium extraction rate is high, and the method is suitable for industrial production. The problem that the efficiency of extracting lithium from the aluminum-lithium alloy waste is low at present is solved.

The present invention relates to a crop nutrition and fortifying composition comprising: i. Elemental sulfur; ii. One or more water insoluble or water soluble magnesium salts or derivatives or mixtures thereof; iii. One or more water-insoluble or water-soluble potash fertilizers or salts or derivatives or mixtures thereof; iv. One or more water insoluble or water soluble iron salts or derivatives or mixtures thereof; v. One or more water insoluble or water soluble zinc salts or derivatives or mixtures thereof; vi. One or more water-insoluble or water-soluble boron salts or derivatives or mixtures thereof; vii. At least one trace element selected from the group consisting of water-insoluble or water-soluble vanadium salts or derivatives or mixtures thereof and water-insoluble or water-soluble selenium salts or derivatives or mixtures thereof; and viii. One or more excipients wherein the composition comprises microparticles having a size in the range of 0.1 to 50 microns, and wherein the total content of the water-soluble salts, derivatives or mixtures in the composition does not exceed 80% of the total weight of the composition. The invention also relates to a method for preparing the crop nutrition and fortifying composition and a method for treating a plant, a seed, a crop, plant propagation material, a locus, parts thereof or soil with the crop nutrition and fortifying composition.

The invention discloses a lanthanum-doped CuMgAl catalyst as well as a preparation method and application thereof, and belongs to the technical field of catalysts. The preparation method of the lanthanum-doped CuMgAl catalyst comprises the following steps: adding a copper salt, a magnesium salt, an aluminum salt and a lanthanum salt into water to obtain a first solution; adding a precipitator into water to obtain a second solution; adding the second solution into the first solution to adjust the pH value to 10.5 to obtain a mixed solution, stirring the mixed solution to generate a co-precipitation reaction, after the reaction is completed, carrying out aging treatment to promote growth and structure ordering of layered double hydroxide crystals, and then carrying out calcination treatment to convert a layered double hydroxide precursor into an oxide, thereby obtaining the layered double hydroxide. And the lanthanum-doped CuMgAl catalyst is obtained. The lanthanum-doped CuMgAl catalyst prepared by the preparation method disclosed by the invention has excellent activity and stability.

The invention relates to a preparation method of a rice leavening with a scalp care effect and a product and application thereof, the preparation method comprises the following steps: mixing a rice raw material, a plant raw material, water, a magnesium salt, a sodium salt and Tween, sterilizing to obtain a fermentation medium, inoculating a compound microbial agent into the fermentation medium, and fermenting to obtain the rice leavening with the scalp care effect. After the fermentation liquid is finished, sterilizing and filtering to obtain a rice leavening; wherein the compound microbial agent comprises a first microbial strain and a second microbial strain; the strains in the first microbial strain comprise a combination of streptococcus thermophilus, bifidobacterium breve and a plant lactobacillus YK-L002 strain; and the second microbial strain comprises a trichosporon YK-S004 strain. According to the invention, specific strains are subjected to compounding and combined fermentation, and the fermentation product filtrate obtained after fermentation treatment of four bacteria has excellent hair care and nourishing effects, and can effectively condition the scalp micro-ecological environment and nourish the hair quality.

The invention relates to the technical field of fluorine-containing sewage treatment, in particular to an adsorption type fluorine removal agent and a preparation method and application thereof.The preparation method comprises the following steps that 1, a sodium silicate solution is slowly added into a hydrochloric acid aqueous solution, and the pH is controlled to be 3-5; 2) adding a polyhydroxy high-molecular organic matter, stirring and dissolving, and reacting to obtain modified polysilicic acid; (3) adding a water-soluble dispersing agent into the modified polysilicic acid, gradually adding aluminum salt, magnesium salt and lanthanum salt, and uniformly stirring to obtain a modified polysilicate aluminum magnesium lanthanum mixed solution; 4) dropwise adding the modified polysilicate aluminum magnesium lanthanum mixed solution into a sodium carbonate solution, and soaking for 12-24 hours; and 5) leaching with pure water, draining water on the surface, pre-freezing, and then drying to obtain the adsorption type fluorine removal agent modified polysilicate aluminum magnesium lanthanum particles. The adsorption capacity of the adsorption type fluorine removal agent prepared by the method on fluorine ions reaches up to 480mg / g, the fluorine ion content of effluent can be as low as 0.1 mg / L or below, and meanwhile, the regeneration efficiency can reach 96% or above.

The invention relates to the field of battery materials, in particular to a halogen-free electrolyte for a magnesium metal battery and a preparation method of the halogen-free electrolyte. The magnesium salt comprises at least one of bis (trifluoromethanesulfonyl) imide magnesium and magnesium trifluoromethanesulfonate; the additive is prepared from at least one of indole, 3-azaindole, 4-azaindole, 5-azaindole, 6-azaindole, 4-amino indole, 5-amino indole, 6-amino indole and 7-amino indole; the organic solvent comprises ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, triethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether, 1, 3-dioxolame or 1, 3-dioxane. The preparation method comprises the following steps: sequentially adding the magnesium salt and the additive into the organic solvent, and stirring and reacting at room temperature for 1 min to 24 h to obtain the halogen-free electrolyte for the magnesium metal battery. And the prepared electrolyte has excellent performances of small overpotential, long service life and wide electrochemical window, and has a good commercial application prospect.

The present application provides an electrolytic solution for magnesium batteries, a method for preparing the same, and a magnesium battery, comprising a non-aqueous solvent and an electrolyte salt, wherein the non-aqueous solvent is selected from one or more of imidazole ionic liquids, pyrrole ionic liquids, piperidine ionic liquids, ether compounds, ester compounds, pyridine compounds, nitrile compounds, sulfone compounds, or ketone compounds; the electrolyte salt has a chemical formula [MgmLinXo(HMDS)2m+m−oRp]·Mq. The electrolytic solution for magnesium batteries provided by the present application is endowed with good stability, strong water resistance and impurity resistance, and excellent electrochemical performance under the mutual synergistic effect among the components, and excellent electrochemical performance under the mutual synergistic effect among the components, and at the same time, the electrolytic solution can promote reversible deposition-dissolution of magnesium, reduce the over-potential, inhibit formation of a passivation layer of magnesium salts on the surface of the anode, and increase the charging-discharging specific capacity and cycling stability of the magnesium battery.

The invention provides asphalt-based hard carbon microspheres, a preparation method thereof and a sodium ion battery. The preparation method comprises the following steps: S1, stirring asphalt and basic zinc carbonate microspheres in a solvent for reaction to obtain an asphalt-based carbon microsphere precursor; s2, mixing the asphalt-based carbon microsphere precursor with a metal salt modifier to obtain a modified asphalt-based carbon microsphere precursor; the metal salt modifier is zinc salt, magnesium salt or calcium salt; s3, annealing and carbonizing the modified asphalt-based carbon microsphere precursor; and S4, carrying out acid pickling, water washing and drying treatment on the carbonized product to obtain the asphalt-based hard carbon microspheres. Through the combined action of a template method and the metal salt modifier, the pore structure and morphology of the hard carbon material are improved, so that the hard carbon material has high specific surface area and rich pore structures, and the obtained hard carbon material has excellent performance, high discharge capacity and high initial charge-discharge efficiency.

The invention discloses a mine water fluorine removal agent and a preparation method and application thereof, and belongs to the technical field of wastewater treatment.The preparation method of the fluorine removal agent comprises the following steps that aluminum salt, calcium salt, magnesium salt and ferric salt are added into water to be stirred, then a chelating agent, a hydroxy carboxylic acid compound and a dispersing agent are added, the mixture is heated to 40-60 DEG C to be stirred and dispersed, and heat preservation is conducted. The preparation method gets rid of the constraint of traditional calcium salt, introduces the chelating agent, the hydroxy carboxylic acid compound and the dispersing agent on the basis of controlling the compatibility of the materials and the synthesis reaction process, and utilizes the excellent fluorine ion adsorption performance and flocculation settling performance of the aluminum-calcium-magnesium-iron-based quaternary metal material to improve the fluorine ion adsorption performance of the aluminum-calcium-magnesium-iron-based quaternary metal material. Quaternary metals are assembled into a long-chain porous structure through chelation, the specific surface area and the pore volume are further increased, the contact area with fluorine ions in mine water is increased, and the porous structure adsorbs complexing groups to achieve the purposes of rapid coordination, strong adsorption, precise chelation, flocculating settling and efficient removal of fluoride in mine water.

The invention belongs to the technical field of inorganic flame retardants, and discloses a nano hexagonal flaky magnesium hydroxide flame retardant and a preparation method thereof. Comprising the following steps: respectively preparing a soluble magnesium salt solution and a precipitant aqueous solution, respectively carrying out preheating treatment, respectively and continuously conveying and mixing to obtain a mixed solution, carrying out ultrasonic treatment and reaction to obtain magnesium hydroxide nano slurry, and carrying out ultrasonic dispersion, filtration and drying to obtain the nano hexagonal flaky magnesium hydroxide. Controllable preparation of the nanoscale hexagonal magnesium hydroxide flame retardant is achieved for the first time, compared with an ultrasonic intermittent method, the nanoscale hexagonal magnesium hydroxide flame retardant has the advantages of being short in reaction period, high in reaction efficiency and uniform in reactant mixing, the preparation period is remarkably shortened to 3 hours, particle size distribution is optimized to be narrow amplitude, PDI is 0.300-0.999, generated magnesium hydroxide particles are in a regular nanometer hexagonal sheet shape, the particle size distribution is optimized to be small, and the particle size distribution is uniform. The dispersity and compatibility of the polymer in a polymer matrix are greatly improved, and excellent cost benefits and market competitiveness are shown in industrial production.

The invention discloses a method for realizing pollution reduction and carbon reduction by phosphogypsum recycling. The method comprises the following steps: (1) washing phosphogypsum with water to remove soluble impurities, neutralizing residual acid, and calcining and activating; (2) pretreatment of the landfill leachate: magnesium salt and phosphate are added, the pH of the landfill leachate is adjusted, and free ammonia NH3 is released through low-temperature heating; (3) the pretreated landfill leachate is sprayed to capture CO2 in the flue gas, and a (NH4) 2CO3 solution is obtained; (4) fully mixing a (NH4) 2CO3 solution with the pretreated ardealite, and controlling the reaction conditions in a closed reactor, so that the ardealite and (NH4) 2CO3 are subjected to a heterogeneous reaction to generate CaCO3 and (NH4) 2SO4; and (5) product purification: carrying out solid-liquid separation on the mixed solution by adopting a multi-stage crystallization process to obtain a building material, and carrying out gradient cooling and recrystallization purification on the filtrate to obtain the nitrogen fertilizer. According to the method, recycling of the landfill leachate and the ardealite is achieved, and CO2 in the flue gas is efficiently removed.

An artificial bone repair material and a preparation method therefor, and a preparation method for a porous magnesium-containing tricalcium phosphate powder for the artificial bone repair material. The artificial bone repair material is a composite material having a porous structure, and the raw materials of the artificial bone repair material comprise collagen and a porous magnesium-containing tricalcium phosphate powder, wherein the porous magnesium-containing tricalcium phosphate powder is formed by subjecting a precipitate obtained after the reaction of a calcium salt solution, a magnesium salt solution and a phosphate solution to spray drying, and the particle size of the magnesium-containing tricalcium phosphate powder is 1-20 μm. The mass percentage of magnesium-containing tricalcium phosphate in the artificial bone repair material is 50-95%. The artificial bone repair material has a relatively high ceramic component content, and the binding property and dispersity of the ceramic component in collagen are relatively good, such that the artificial bone repair material has relatively high biological activity and degradability, and the new bone tissue can grow inside until a bone defect part is completely replaced, while the artificial bone repair material is degraded in vivo.

The invention discloses a preparation method of magnesium acetyltaurine salt, which comprises the following steps: S1, dissolving taurine in water to react with strong base, and concentrating water to obtain corresponding taurine salt; s2, dispersing the taurine salt obtained in the step S1 in acetic acid to react with acetic anhydride, and concentrating the acetic acid to obtain corresponding acetyl taurine salt; and S3, dissolving the acetyl taurine salt obtained in the step S2 in water, adding magnesium salt, adjusting the pH value of a reaction system, adding a single post-treatment solvent, crystallizing, filtering, and drying to obtain the acetyl taurine magnesium salt. According to the preparation method of the magnesium acetyltaurate, provided by the invention, the dosage of acetic anhydride and a post-treatment solvent is effectively reduced, the generation of acid-containing wastewater can be remarkably reduced, the process is simple, the reaction is mild, the raw materials are cheap and easy to obtain, the yield is high, and large-scale industrial production is facilitated.

The invention belongs to the technical field of magnesium ion batteries, and particularly relates to a magnesium ion battery electrolyte, a preparation method thereof and a magnesium ion battery. The invention provides a magnesium ion battery electrolyte. The magnesium ion battery electrolyte comprises a magnesium salt electrolyte, an amine organic solvent and an imidazole organic solvent. According to the magnesium ion electrolyte, the imidazole and amine organic solvents are used as the mixed cosolvent of the magnesium ion electrolyte, so that the electrolyte magnesium salt can be effectively dissolved, and the problems of decomposition and passivation of the electrolyte solvent and corrosion of a magnesium metal negative electrode can be effectively solved; the amine and imidazole co-soluble magnesium ion electrolyte provided by the invention can realize reversible deposition and dissolution of a magnesium metal negative electrode under the condition of a wide temperature range of-30 to 80 DEG C, and can be applied to a rechargeable magnesium battery.

A sodium battery precursor, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: (1) mixing a nickel salt, a manganese salt and an iron salt with a solvent to obtain a solution A, mixing a copper salt, a complexing agent and a solvent to obtain a solution B, and mixing one or more of a lithium salt, a zinc salt, a titanium salt or a magnesium salt with a solvent to obtain a solution C; (2) injecting an alkali liquor, ammonia water and the solution A into a base solution in parallel flow for a first-step co-precipitation reaction, and injecting ammonia water, the alkali liquor and the solution B in parallel flow for a second-step co-precipitation reaction; and (3) injecting a precipitant solution and the solution C in parallel flow for a third-step co-precipitation reaction, thereby obtaining the sodium battery precursor. A high-entropy superlattice sodium battery precursor is prepared by means of step-by-step co-precipitation, and the sodium battery precursor enables the improvement of the sodium-ion intercalation and de-intercalation capability of the precursor while reducing the material cost, thereby improving the capacity retention ratio and cycling performance of the material.

The invention relates to the technical field of low-carbon cement-based materials, in particular to a method for preparing a high-carbon-sequestration admixture through acid-magnesium salt synergistic modification of steel slag and application of the high-carbon-sequestration admixture. The method comprises the following steps: (1) adding steel slag powder and a water-soluble magnesium salt into water, then adding an organic weak acid, and carrying out a reaction under a stirring condition to obtain a pretreated steel slag suspension; and (2) introducing carbon dioxide gas into the pretreated steel slag suspension, and carrying out carbonization reaction under a stirring condition to obtain a carbonized steel slag suspension. And carrying out solid-liquid separation on the mixture, and drying the obtained solid product to obtain the high-carbon-sequestration admixture. The method provided by the invention not only can effectively improve the carbon sequestration amount of the steel slag, but also can improve the mechanical properties of the concrete / cement-based material doped with the steel slag.

The present invention relates to a crop nutrition and fortifying composition comprising an effective amount of the following ingredients: elemental sulfur; one or more magnesium salt derivatives or mixtures thereof; one or more potash fertilizers or salts or derivatives or mixtures thereof; one or more iron salts or derivatives or mixtures thereof; one or more zinc salts or derivatives or mixtures thereof; and one or more excipients. The composition comprises particles having a particle size ranging from 0.1 to 50 [mu] m wherein the elemental sulfur content is from 5% to 90% by weight; the content of the element magnesium is 0.1%-40% (weight percentage); the content of the element potassium is 0.1%-40% (weight percentage); the content of the element iron is 0.1%-45% (weight percentage); and the content of the element zinc is 0.1-45% of the total weight of the composition. The invention also relates to a method for preparing the crop nutrition and fortifying composition, and a method for treating a plant, a seed, a crop, plant propagation material, a locus, parts thereof or soil using the crop nutrition and fortifying composition.

Provided are a wide-temperature-range solid-state electrolyte, a preparation method thereof and use thereof in solid-state lithium metal batteries. The preparation method includes: dissolving a lithium salt and a magnesium salt in a solvent to obtain a mixed salt solution; and mixing the mixed salt solution with an ammonia fluoride solution, subjecting a resulting mixture to reaction, and subjecting a resulting reaction product to centrifugation, washing, and drying in sequence to obtain magnesium-doped lithium fluoride nanoparticles; and mixing the magnesium-doped lithium fluoride nanoparticles, a liquid plasticizer, a polymer monomer and a thermal initiator to obtain a liquid precursor, and subjecting the liquid precursor to curing to obtain the wide-temperature-range solid-state electrolyte, where the polymer monomer is a mixture of ethoxylated trimethylolpropane triacrylate and hexafluorobutyl methacrylate.

The present application provides a kind of variable color 3D printing material based on inulin complex, the variable color 3D printing material includes inulin, calcium salt, magnesium salt and zinc salt.The variable color 3D printing material of the present application significantly improves the gelation performance of pure inulin, greatly shortens its gelation time, significantly improves the 3D printing formability, printing precision and water holding capacity of pure inulin gel, has rich variable color and color stability.

The invention discloses a method for increasing the phase transition temperature of Al2O3 aerogel through grain boundary pinning and nano-structure strengthening, which comprises the following steps: co-hydrolyzing an aluminum source, yttrium salt, a silicon source and magnesium salt to form sol through the coordination of double mechanisms of grain boundary pinning and nano-domain isolation, and carrying out gradient heating aging, mixed medium supercritical drying and two-stage sintering to obtain the phase transition temperature of the Al2O3 aerogel. The gamma-alpha phase transition temperature of the Al2O3 aerogel is greater than or equal to 1300 DEG C. The specific surface area of the aerogel after heat treatment at 1300 DEG C is larger than 100 m / g, the process cost is controllable, and the aerogel is suitable for industrial production and can be applied to extreme environments such as a spacecraft thermal protection system and a high-temperature industrial furnace lining.

The invention relates to a crop nutrition and fortification composition comprising: elemental sulphur in a range of 1% to 90% by weight; one or more water insoluble or water soluble iron salts or derivatives or mixtures thereof, wherein elemental iron content is in the range of 0.1% to 50% by weight; one or more water insoluble or water soluble zinc salts or derivatives or mixtures thereof, wherein elemental zinc content is in the range of 0.1% to 55% by weight; one or more water insoluble or water soluble magnesium salts or derivatives or mixtures thereof, wherein elemental Magnesium content is in the range of 0.5% to 50% by weight; one or more water insoluble or water soluble boron salts or derivatives or mixtures thereof, wherein elemental boron content is in the range of 0.01% to 25% by weight; one or more water insoluble or water soluble manganese salts or derivatives or mixtures thereof, wherein elemental manganese content is in the range of 0.1% to 40% by weight; one or more water insoluble or water soluble copper salts or derivatives or mixtures thereof, wherein elemental copper content is in the range of 0.1% to 40% by weight; and, one or more surfactants in the range of 0.1 to 40% by weight. The composition is in the form of water dispersible granules and liquid suspension, wherein the compositions have a particle size of range of 100 nanometers to 5 microns and has an average particle size diameter distribution of less than 1000 nanometers and wherein the total content of the water soluble salts, derivatives or mixtures in the composition does not exceed 80% by the weight of the total composition. The invention also relates to a process of preparing the crop nutrition and fortification composition and to a method of treating the plants, seeds, crops, plant propagation material, locus, or parts thereof or soil with the crop nutrition and fortification composition.

A gel-like food supplement composition including at least one active ingredient, at least one solvent and at least one excipient, the active ingredient including at least one organic magnesium salt. The at least one organic magnesium salt is in an undissolved state, and the viscosity of the composition is 1000 to 5000 cP. The at least one organic magnesium salt includes one or more of magnesium formate, magnesium pidolate, magnesium citrate, magnesium gluconate, magnesium lactate, magnesium aspartate, magnesium ascorbate, magnesium glycinate, magnesium malate, magnesium citrate glycinate and hydrates of these salts.

The invention provides an EICP-based sandy soil curing agent, a sandy soil curing method and application thereof, and relates to the technical field of rock and soil reinforcement. The sandy soil curing agent comprises a urease solution, a cementing fluid and a hydrophobic polymer, wherein the urease solution is prepared by salting out a urease crude extract and then carrying out solid-liquid separation; the cementing liquid comprises calcium salt, magnesium salt and urea. The curing agent is convenient to use, the solidified soil body is stable in structure, and the curing agent has excellent disintegration resistance. The invention further provides a sandy soil curing method and application of the sandy soil curing agent or the sandy soil curing method.

A method of manufacturing a nanocomposite is described. The method may include combining a magnesium salt, an aluminum salt, and a metavanadate salt in stoichiometric proportions within 5 mol. % in an aqueous solvent including menthol or dextrose, to obtain a first mixture, heating the first mixture to remove at least 99.5 wt. % of the aqueous solvent to obtain a first solid, grinding the first solid into a first powder, calcining the first powder at a temperature of about 600° C. to 800° C. for a time of about 2 to 4 hours to obtain a second solid, grinding the second solid and urea, to form the nanocomposite, into a second powder, heating the second powder at a temperature of about 550° C. to 650° C. for a time of about 15 to 90 minutes to obtain the nanocomposite, including graphitic C3N4, V2O5, and MgAl2O4.