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38 results about "Sodium aluminosilicate" patented technology

Sodium aluminosilicate refers to compounds which contain sodium, aluminium, silicon and oxygen, and which may also contain water. These include synthetic amorphous sodium aluminosilicate, a few naturally occurring minerals and synthetic zeolites. Synthetic amorphous sodium aluminosilicate is widely used as a food additive, E 554.

Preparation method of mycotoxin degrading enzyme intelligent slow-release feed additive

PendingCN120514053AAnimal feeding stuffFood ion-exchangeOchratoxin AFeed additive
The invention discloses a preparation method of a mycotoxin degrading enzyme intelligent slow-release feed additive, and relates to the technical field of feed additive production, a double-emulsion embedding technology is adopted, enzyme is embedded in a multi-layer shell composed of chitosan, sodium alginate and an enteric polymer Eudragit S100, and then Ca < 2 + > ion cross-linking solidification is performed to obtain the mycotoxin degrading enzyme intelligent slow-release feed additive. And finally, freeze-drying or spray-drying to obtain the core-shell structure microcapsule. The obtained microcapsules are compounded with functional carriers such as yeast cell walls, sodium aluminosilicate, mannan oligosaccharide, talcum powder and the like to prepare finished products which can be directly added into various feeds. The release rate of the additive in simulated gastric juice with the pH value of 2.0 for 4 hours is lower than 15%, the release rate of the additive in simulated intestinal juice with the pH value of 6.8 for 6 hours exceeds 90%, the enzyme activity can be effectively protected, and targeted release of intestinal tracts is achieved; meanwhile, the compound carrier has a synergistic adsorption effect on various mycotoxins, and the degradation rates of aflatoxin B1, zearalenone and ochratoxin A in an in-vitro experiment respectively reach 87% or above.
Owner:XIANGYANG ACADEMY OF AGRICULTURAL SCIENCES

Soil organic modifier for ecological reconstruction of hardened soil and preparation method thereof

The invention discloses a soil organic modifier for ecological reconstruction of hardened soil and a preparation method thereof, the soil organic modifier is composed of a biological dry fermentation fertilizer and earthy palygorskite according to a volume ratio of 10-30: 1, and the water content is 25-40%; the biological dry fermentation fertilizer is prepared from livestock manure and a biomass material through anaerobic fermentation, and the biomass material is obtained by modifying sodium aluminosilicate, biochar and ceramsite through an organic matter-hot dipping method. The soil organic modifier prepared by the invention is used for hardened soil, improves soil pores, increases soil organic matters and nutrients, improves the sustainable reproduction environment of soil organisms, realizes optimization of soil physical and chemical properties, improves crop resistance, increases the yield and quality of crops, and reverses the problems of soil hardening and degradation and the like.
Owner:YANGTZE ECOLOGY & ENVIRONMENT CO LTD

Fast ion conductor-stabilizer composite coated lithium manganese iron phosphate material as well as preparation method and application thereof

ActiveCN120793882AMangesium aluminatesAluminium silicatesElectrical conductorPhysical chemistry
The invention relates to a fast ion conductor-stabilizer composite coated lithium manganese iron phosphate material as well as a preparation method and application thereof. The lithium manganese iron phosphate material comprises a lithium manganese iron phosphate inner core and a coating layer on the surface of the lithium manganese iron phosphate inner core, the coating layer is obtained by mixing sodium aluminosilicate, magnesium metaaluminate, a coating carbon source and a lithium supplement agent, coating the surface of the lithium manganese iron phosphate inner core with the mixture, and performing sintering treatment. According to the invention, sodium aluminosilicate and magnesium metaaluminate are combined with conductive carbon to carry out co-coating treatment on lithium manganese iron phosphate, and in a high-temperature sintering process, part of Na < + > / Al < 3 + > / Mg < 2 + > multi-ions are co-embedded into a near surface layer of a lithium manganese iron phosphate crystal, so that a unit cell structure which is more stable in structure and easier in Li < + > diffusion is formed. In the high-temperature sintering process, part of magnesium metaaluminate reacts with the lithium supplement agent to form an Al-based fast ion conductor, and sodium aluminosilicate has a wider Li < + > diffusion channel, so that the material has excellent rate capability.
Owner:SHANGHAI TECHSUN ANTI COUNTERFEITING TECHNOLOGY HOLDING CO LTD +1

A dechlorinated and detoxified fly ash-waste glass powder-slag composite alkali-activated gelling material and preparation method thereof

The present invention discloses a dechlorination and detoxification fly ash-waste glass powder-slag composite alkali-activated gelling material and a preparation method thereof. The alkali-activated gelling material is mainly composed of hydrated calcium aluminosilicate gel and hydrated sodium aluminosilicate gel, and the raw material composition includes: dechlorination and detoxification fly ash, waste glass powder, slag and alkali activator, wherein the alkali activator is prepared from sodium silicate solution and sodium hydroxide solid; the present invention realizes efficient resource utilization and improvement of the performance of alkali-activated gelling materials by scientifically proportioning raw materials. The precursor selected by the present invention is rich in active mineral components such as calcium, silicon, and aluminum, and the alkali activator prepared by adding sodium silicate solution and sodium hydroxide solid provides an ideal alkaline environment for the system, and the chemical components between the components complement and synergize, so that the system can simultaneously generate C-A-S-H gel and N-A-S-H gel. Thereby achieving material properties of high compressive strength, moderate setting time, and reaction heat balance, while having good working performance and long-term durability.
Owner:ZHEJIANG UNIV

A method for improving the crystallinity of a molecular sieve

The application relates to a method for improving the crystallinity of a molecular sieve, which comprises the following steps: first crystallization of a first sodium aluminosilicate gel slurry until the first sodium aluminosilicate gel slurry is crystallized to a first crystallinity, then adding an alkali liquor into the first sodium aluminosilicate gel slurry to obtain a second sodium aluminosilicate gel slurry with a target alkali ratio; and second crystallization of the second sodium aluminosilicate gel slurry to obtain a molecular sieve. When the first sodium aluminosilicate gel slurry is crystallized to the first crystallinity, the alkali liquor is added into the first sodium aluminosilicate gel slurry, so that new crystallization power is injected into the first sodium aluminosilicate gel slurry system, thereby improving the crystallinity of the molecular sieve; the second sodium aluminosilicate gel slurry with the target alkali ratio is subjected to the second crystallization, further crystallization power is provided for improving the crystallinity, and thereby the molecular sieve with high crystallinity is obtained.
Owner:CHALCO SHANDONG NEW MATERIALS CO LTD

A cathode material for sodium-ion batteries and a preparation method thereof

The present invention discloses a cathode material for a sodium-ion battery and a preparation method thereof. The cathode material includes a mother nucleus, a first coating layer, and a second coating layer. The mother nucleus is a polyanion compound, the first coating layer is a carbon layer generated after the pyrolysis and carbonization of an organic sodium compound precursor, and the second coating layer is nano sodium aluminosilicate particles. The first coating layer uniformly and completely coats the surface of the mother nucleus and the second coating layer particles, and the second coating layer particles uniformly and completely coat the mother nucleus already coated with the first coating layer. The first coating layer and the second coating layer particles act synergistically to reduce the electron and ion conduction distances and structural stress during the charge and discharge process of the material and regulate the grain size of the material, effectively improving the capacity, rate performance, cycle performance, and tap density of the material. The second coating layer can improve the grinding efficiency during the grinding process in the material processing and preparation process and reduce the sintering temperature and shorten the sintering cycle during the sintering process, reduce energy consumption, and improve the processing and preparation efficiency, thereby reducing the material preparation cost.
Owner:HEFEI HEDIAN TECH CO LTD

Silica removal agent and application thereof in alkaline vanadium-containing leachate

The invention discloses a silicon removal agent and application thereof in alkaline vanadium-containing leachate, and the silicon removal agent is obtained through the following steps: taking aluminum-containing silicon removal slag as a raw material, putting the aluminum-containing silicon removal slag into a NaOH solution, continuously stirring, filtering, collecting solids, drying and grinding to obtain the silicon removal agent, wherein the pH (Potential of Hydrogen) value of the NaOH solution is 8.0 to 10.0; the NaOH solution also contains cationic polyacrylamide, and the concentration of the cationic polyacrylamide is 0.1 to 0.3 mg / ml; the stirring temperature is 80 to 95 DEG C, and the temperature is kept for 60 to 120 minutes. Alkaline vanadium-containing leachate obtained through a sodium salt roasting-water leaching process of vanadium-containing raw materials (vanadium slag and the like) is used as a raw material, aluminum salt (aluminum sulfate, sodium metaaluminate and the like) is used as an impurity removal agent, precipitate sodium aluminosilicate hydrate is added, a sodium aluminosilicate porous material is obtained after treatment, and the sodium aluminosilicate porous material can be used as a silicon removal agent and precipitate floc. And removing silicon impurities in the solution under a weakly alkaline condition.
Owner:CHONGQING UNIV

Silicon-containing sodium aluminate solution desiliconizing agent as well as preparation method and application thereof

The invention relates to the technical field of silicon adsorption, in particular to a silicon-containing sodium aluminate solution desiliconizing agent and a preparation method and application thereof. The invention relates to a preparation method of a desiliconizing agent for a silicon-containing sodium aluminate solution. The preparation method comprises the following steps: (1) carrying out crushing, acid pickling, washing and drying on a zeolite raw material to obtain pretreated zeolite; (2) dissolving polyethyleneimine in a solvent to prepare a polyethyleneimine solution; (3) adding the pretreated zeolite into a polyethyleneimine solution to obtain a mixed system; (4) adding a cross-linking agent into the mixed system, and stirring to obtain a reaction solution; and (5) carrying out solid-liquid separation on the reaction liquid, washing the obtained solid to be neutral, and drying to obtain the product. According to the invention, the selective adsorption capacity and deep desiliconization capacity of silicate are remarkably improved by utilizing the strong positive electricity and complexing capacity of PEI and combining the carrier characteristics of zeolite, and meanwhile, the PEI is firm in loading and good in stability in a strong alkaline environment. The efficient and environment-friendly desiliconizing agent provided by the invention effectively reduces the generation of solid wastes and reduces the production cost.
Owner:贵州遵义竹矿矿业有限公司

Denitrification combustion-supporting and acid mist removing additive

The present invention discloses a denitrification combustion-supporting and acid mist removing additive, belonging to the technical field of sulfur transfer agents for catalytic cracking flue gas. This method involves reacting precisely proportioned ferric chloride, magnesium chloride, aluminum chloride with an aqueous sodium hydroxide solution to form a cross-linking agent solution, mixing it with modified magnesium saponite and conducting a heating and heat preservation treatment to form a cross-linked structure. Subsequently, the cross-linked magnesium saponite is impregnated in a solution containing various metal salts and calcined to obtain the final additive. The preparation of the modified magnesium saponite uses polyethylene glycol ether and sodium aluminosilicate to optimize the pore structure and thermal stability. Compared with the prior art, the additive of the present invention effectively reduces the emissions of SO X and NO X during the catalytic cracking process, especially the emission of sulfur trioxide, improves the combustion efficiency, reduces the generation of pollutants, and at the same time avoids the use of toxic substances, reduces environmental pollution, and has significant environmental and economic benefits.
Owner:QINGDAO KANGJIE JUNENG TECH CO LTD

Method for recycling sodium aluminate and sponge iron through cooperation of deep reduction of red mud iron separation tailings

The invention relates to the technical field of red mud iron separation, and discloses a method for recycling sodium aluminate and sponge iron through cooperation of deep reduction of red mud iron separation tailings, and the method specifically comprises the following steps that 1, material preparation and briquetting are conducted, specifically, the red mud iron separation tailings, a carbonaceous reducing agent and a calcium additive are mixed and formed, and raw material briquettes are obtained; refractory iron oxide is thoroughly converted into metal iron through deep reduction, then high-grade sponge iron is obtained through magnetic separation, the sponge iron can be directly used as a high-quality raw material for electric furnace steelmaking, high-added-value recovery of iron elements is achieved, and through regulation and control of a calcium additive, the production cost is reduced. In the reduction process, stable sodium aluminosilicate is converted into sodium aluminate which is easily leached by alkali liquor, efficient and synchronous leaching of aluminum and sodium is achieved, the obtained sodium aluminate solution is high in purity and wide in utilization approach, the deep reduction process creates conditions for iron recovery, meanwhile, phase reconstruction is conducted for aluminum extraction, the two processes promote each other, and the recovery rate of aluminum is increased. And an efficient collaborative recovery system is formed.
Owner:YUNNAN KYUSHU RENEWABLE RESOURCES DEV CO LTD

Method for preparing lithium carbonate from a hard rock type lithium ore

The application discloses a method for preparing lithium carbonate from hard rock type lithium ore, and belongs to the technical field of smelting lithium carbonate from lithium-containing minerals. The method comprises the steps of transformation sintering, batching, high-pressure leaching and post-treatment, and lime milk is added in the high-pressure leaching step. In the application, lithium in the ore is transferred out of the ore in the form of lithium carbonate through high-pressure leaching, and the lime milk is added at the same time of leaching, so that sodium aluminosilicate is promoted to transform into a canasite substance; the canasite substance has small solubility and is easy to be separated, thereby reducing impurities in the product; in addition, the canasite substance can also adsorb impurities and purify the solution; finally, the canasite substance can be reused as a cement component. After high-pressure leaching, the slurry is separated from mother liquor at the leaching temperature, and is returned to batching, so that lithium carbonate returned with the mother liquor is reduced, sodium carbonate in the mother liquor is recovered, and the material flow in the post-treatment step is reduced, thereby improving the circulation efficiency.
Owner:SHENYANG ALUMINIUM MAGNESIUM INSTITUTE

Preparation method of sodium aluminosilicate microspheres

The present invention discloses a preparation method of sodium aluminosilicate microspheres. The preparation method uses sodium aluminate and tetraethyl orthosilicate as raw materials through a solvothermal method to synthesize sodium aluminosilicate microspheres under alkaline conditions. The present invention provides a preparation method of sodium aluminosilicate microspheres with low density, low thermal conductivity, and good chemical stability. It has been improved on the traditional production method, and sodium aluminosilicate hollow microspheres are directly synthesized by a one-step method, simplifying the production process of silicate hollow microspheres, enabling sodium aluminate and tetraethyl orthosilicate to directly react under appropriate conditions, reducing the production time, improving the production efficiency, shortening the actual production cycle, and showing great application prospects.
Owner:HUBEI KEQINGDA ENVIRONMENTAL PROTECTION MATERIALS CO LTD

Use of high-boiling organic solvents for lithium carbonate extraction from silicates

Admixtures and processes for extracting lithium from lithium-bearing silicates are disclosed In one example, the process includes reacting a lithium-bearing silicate with a sodium carbonate in a protic high-boiling (PHB) solvent thereby producing a mixture containing solid lithium carbonate and a sodium aluminosilicate. (Figure 1)
Owner:NOVALITH TECH PTY LTD

Preparation method of adsorbent for producing high-purity silane and adsorbent

The invention discloses a preparation method of an adsorbent for producing high-purity silane and the adsorbent. The method comprises the following steps: step 1, carrying out oxidation treatment on activated carbon; 2, uniformly mixing the sample obtained in the step 1 with a copper salt precursor; 3, calcining the sample obtained in the step 2 in an inert atmosphere to obtain a CuO / AC inner core; step 4, dispersing the CuO / AC inner core into the sodium aluminosilicate sol, and then adding a template agent to carry out hydrothermal reaction, so that sodium aluminosilicate is crystallized to obtain an adsorbent precursor; and step 5, roasting the adsorbent precursor to obtain the adsorbent. The adsorbent is provided with a CuO / AC inner core and a molecular sieve shell, when impurities are adsorbed, the molecular sieve shell preliminarily adsorbs borane and phosphorane in silane, and deep purification is achieved through Cu ions in the CuO / AC inner core; meanwhile, the high conductivity of the activated carbon promotes electron transfer, and the reaction between Cu ions and phosphorane / borane is accelerated.
Owner:SHAANXI SAINENG RUIKE TECH CO LTD

Chemically strengthenable lithium aluminosilicate glasses with inherent damage resistance

A group of glass compositions in the Li2O—Al2O3—SiO2—B2O3 family that can be chemically strengthened in single or multiple ion exchange baths containing at least one of NaNO3 and KNO3 for a short time (2-4 hours) to develop a deep depth of layer (DOL). In some instances, the DOL is at least 70 μm; in others, at least about 100 μm. The ion exchanged glasses have a high damage resistance (indentation fracture toughness ranging form greater than 10 kgf to greater than 50 kgf) that is better than or at least comparable to that of sodium aluminosilicate glasses.
Owner:CORNING INC

A composition for preventing and treating anthracnose of pepper and a preparation method thereof

This invention provides a composition for controlling anthracnose in peppers and its preparation method, belonging to the field of plant disease control technology. The composition of this invention, by weight, comprises the following components: 30-55 parts of Bacillus fermentation culture broth, 5-17 parts of loquat leaf extract, 3-8 parts of hawthorn leaf extract, 2-6 parts of milk thistle extract, 1-5 parts of sodium aluminosilicate, 4-7 parts of polyethylene glycol, and 5-8 parts of ε-polylysine. This invention, by mixing Bacillus fermentation culture broth, compound plant extracts, sodium aluminosilicate, polyethylene glycol, and ε-polylysine, can effectively control anthracnose in peppers. The addition of sodium aluminosilicate, polyethylene glycol, and ε-polylysine to the formula prevents flocculation and precipitation, and improves the storage stability of the composition.
Owner:XINDONGWEI (TIANJIN) TECH CO LTD

Modified aluminum red mud material and application thereof

The invention discloses a modified aluminum red mud material and application thereof, and belongs to the field of metallurgical solid waste recycling. The preparation method of the material comprises the following steps: drying and crushing aluminum red mud, spraying a complexing modifier to obtain an intermediate, adding a neutralization curing liquid for neutralization treatment, and naturally ventilating to obtain a modified aluminum red mud material; the complexing modifier is prepared from a copolymer substrate solution through amination and polybasic carboxylic acid complexing modification; the neutralization curing liquid is prepared by double-acid activation, sodium aluminosilicate reaction and chelating dispersion; the two synergistically realize alkaline neutralization and heavy metal deep curing. The preparation process is carried out at normal temperature, uniform contact of reagents is realized through a nano spray gun, the pH value of the modified material is stabilized at alkalescence, the heavy metal leaching amount is lower than the hazardous waste standard, hazardous solid waste is converted into general industrial solid waste, and the material can be used as a substitute for road beds, building materials and fly ash, and is high in process universality and suitable for industrial popularization. The environment-friendly and resource utilization values are realized.
Owner:SHANGHAI JINTANG TEXTILE NEW MATERIALS TECHCO

Strong-alkali-resistant brominated butyl rubber plug and preparation method thereof

The invention relates to a strong-alkali-resistant brominated butyl rubber plug, belongs to the field of medical rubber accessories, and provides a butyl rubber plug which is used for packaging a strong-alkali pharmaceutical preparation and has relatively high purity. The rubber plug formula comprises the following raw material components in parts by weight: brominated butyl rubber, butyl rubber, calcined kaolin, hydroxyapatite, sodium aluminum silicate, titanium dioxide, carbon black, stearic acid, magnesium oxide, a vulcanizing agent, an organic filler and a plasticizer. The strong-alkali-resistant brominated butyl rubber plug adopts a novel carbon-nitrogen heterocyclic environment-friendly vulcanizing agent vulcanization system, is supplemented with strong-alkali-resistant organic and inorganic filling agents, and has good strong-alkali resistance and excellent medicine compatibility.
Owner:HUBEI HUAQIANG HIGH TECH CO LTD

Pretreatment system and pretreatment method for low-grade bauxite

The invention belongs to the technical field of metallurgy, and particularly relates to a pretreatment system and a pretreatment method for low-grade bauxite. The pretreatment system provided by the invention is used for heating the low-grade bauxite in stages to gradually realize desulfurization and activation; in the heating process of the first stage, sulfur in the low-grade bauxite is decomposed into gaseous sulfur to be removed; in the second-stage heating process, a crystal structure existing in a kaolinite crystal form between aluminum oxide and silicon dioxide in the low-grade bauxite is destroyed, so that the kaolinite crystal form is converted into amorphous semi-crystalline or amorphous, and the chemical reaction activity of silicon dioxide is improved; the silicon dioxide can easily react with aluminum and caustic soda liquid (sodium hydroxide) to generate sodium aluminosilicate precipitates, and subsequent separation and removal of silicon are facilitated, so that the aluminum-silicon ratio is increased, and recycling of the low-grade bauxite is realized.
Owner:SHENYANG XINBO IND TECH

Low TFM pour and cast soap bar

Disclosed is a melt and pour soap bar composition comprising 6 to 20 wt% soap, 4 to 20 wt% of sodium aluminosilicate; and 60 to 80% of water.
Owner:UNILEVER IP HLDG BV +2

Method for removing silicon in aluminum oxide

The invention provides a method for removing silicon in aluminum oxide, and belongs to the field of aluminum oxide production. The method comprises the following steps: carrying out primary desiliconization on bauxite ore pulp, so that SiO2 in the bauxite ore pulp is converted from a supersaturated metastable state into sodium silicon slag precipitate, and obtaining primary desiliconized slurry; performing secondary desiliconization on first mixed slurry of the primary desiliconization slurry and the blending liquid, so that silicon minerals in the first mixed slurry form hydrated sodium aluminosilicate, and secondary desiliconization slurry is obtained; carrying out settling separation on the secondary desiliconized slurry with the set solid content to obtain second mixed slurry; adding an additive into the second mixed slurry to carry out tertiary desilicication so as to obtain tertiary desilicication slurry; carrying out solid-liquid separation on the tertiary desilicication slurry to obtain decomposed mother liquor; and performing low-temperature decomposition and high-temperature roasting on the decomposition mother liquor to obtain aluminum oxide. Therefore, high-quality aluminum oxide with the silicon content lower than 50 ppm is directly produced in the Bayer process production process, and the production requirement for producing high-purity aluminum raw materials is met.
Owner:CHALCO SHANDONG CO LTD

A 13x molecular sieve and a method for making the same

The application relates to a 13X type molecular sieve and a preparation method thereof, and the method comprises the following steps: obtaining a sodium aluminosilicate gel slurry through a reaction solution system with a first set silicon-aluminum ratio; adding crystal seeds into the sodium aluminosilicate gel slurry, and then performing aging to obtain a slurry containing 13X type molecular sieve crystals; adding a first aluminum source solution into the slurry containing the 13X type molecular sieve crystals to obtain a reaction solution system with a second set silicon-aluminum ratio, and then performing crystallization to obtain the 13X type molecular sieve. In the single-cation synthesis system, the aluminum source solution is added before crystallization, the silicon-aluminum ratio of the synthesis system is adjusted to 2.0-2.1, and the silicon-aluminum ratio of the product after crystallization can reach the low silicon-aluminum ratio requirement of 2.0-2.2. A 13X molecular sieve with a low silicon-aluminum ratio is obtained, and the problem of difficult mother liquor treatment is avoided, and the generated mother liquor can be directly recycled.
Owner:CHALCO SHANDONG NEW MATERIALS CO LTD

Curing agent applied to soft soil foundation as well as preparation method and application of curing agent

The invention provides a curing agent applied to a soft soil foundation and a preparation method and application thereof, and belongs to the technical field of building materials.The curing agent applied to the soft soil foundation is prepared from 85 parts of second-ball desulfurized fly ash, 5-7 parts of straw ash, 9-10 parts of alkaline residues, 1.5-2 parts of sodium aluminosilicate and 0.5-1 part of triethanolamine; the preparation method comprises the following steps: uniformly mixing a desulfurized fly ash pretreatment material, straw ash and sodium aluminosilicate to obtain a material A; uniformly mixing the alkaline residue pretreated material with triethanolamine to obtain a material B; the material A and the material B are jointly used as the curing agent applied to the soft soil foundation; according to the application, soft soil and the curing agent applied to the soft soil foundation are mixed through a solid stirring method, and then rolling and curing are conducted. By optimizing the raw material ratio and the preparation process, a substance with excellent gelling property and curing effect can be generated, and the strength and stability of the soft soil are remarkably improved.
Owner:HEBEI HAICHUANG GEOTECHNICAL ENG CO LTD

A method for preventing the separation and maintaining the stability of fly ash slurry

ActiveCN119114599BNaturally occurring surfactantsActive agent
The present application belongs to the field of fly ash slurry stable transportation, and particularly relates to a method for preventing fly ash slurry stratification and keeping stable. The method is: extracting large leafed wood ear saponin; preparing sodium silicate from fly ash; selecting the best component ratio of saponin and sodium silicate, and adding fly ash slurry. The present application has the advantages of being more green and sustainable for fly ash slurry transportation, avoiding stratification solidification in fly ash secondary treatment, and adopting natural surfactant compared with commercial specific surface activator hexadecyl trimethyl ammonium bromide. The viscosity, surface tension and concentration of fly ash slurry are tested and compared, which not only reduces the surface tension of fly ash slurry to reduce stratification and aggregation, but also adds sodium silicate to the fly ash slurry system to generate sodium aluminosilicate, which significantly improves the stability of fly ash slurry.
Owner:SHENMU ZHANGJIAMAO COAL MINING CO LTD OF SHAANXI COAL & CHEM IND GRP +2

Chemically strengthenable lithium aluminosilicate glasses with inherent damage resistance

A group of glass compositions in the Li2O—Al2O3—SiO2—B2O3 family that can be chemically strengthened in single or multiple ion exchange baths containing at least one of NaNO3 and KNO3 for a short time (2-4 hours) to develop a deep depth of layer (DOL). In some instances, the DOL is at least 70 μm; in others, at least about 100 μm. The ion exchanged glasses have a high damage resistance (indentation fracture toughness ranging from greater than 10 kgf to greater than 50 kgf) that is better than or at least comparable to that of sodium aluminosilicate glasses.
Owner:CORNING INC

Composite abrasive polishing solution for lithium tantalate CMP (chemical mechanical polishing) and preparation method of composite abrasive polishing solution

The invention relates to the technical field of polishing solutions, in particular to a composite abrasive polishing solution for lithium tantalate CMP (chemical mechanical polishing) and a preparation method of the composite abrasive polishing solution. The polishing solution comprises the following components in percentage by weight: 20%-40% of a composite abrasive, 0.5%-2% of a dispersing agent, 0.5%-5% of a chelating agent, 1%-10% of an oxidizing agent, 0.1%-1.5% of an anionic surfactant and the balance of water. In addition, the composite abrasive comprises at least two of sodium aluminosilicate, aluminum oxide, zirconium oxide and cerium oxide. Through the chemical mechanical polishing solution provided by the invention, the single-sided rough polishing rate of lithium tantalate can reach 15 [mu] m / h or above, and the surface roughness Sa can reach 0.3 nm. According to the lithium tantalate rough machining technology, the polishing rate is remarkably increased, high plane precision and no damage to the surface of a product are achieved on the basis of efficient polishing, the polishing solution is simple and convenient to prepare and operate, industrialization is easy to achieve, the PH value is neutral and slightly alkalescent, the universality to equipment is high, and the polishing solution is suitable for the field of efficient polishing of lithium tantalate.
Owner:GANSU JINYANG HIGH-TECH MATERIALS CO LTD

Method for extracting lithium carbonate from spodumene ore raw material

PCT designated stageWO2026177634A1Lithium carbonateElectrical battery
The present invention relates to the field of chemistry and chemical engineering and can be used for extracting lithium carbonate from lithium-bearing spodumene ore for battery production. The method for extracting lithium carbonate from spodumene ore comprises sintering a mixture of precursors: α-spodumene concentrate, sodium carbonate and alumina — to obtain a sinter containing sodium aluminosilicate and lithium carbonate. The sinter is then ground and leached with water in a countercurrent process; the resulting lithium carbonate solution is separated from the sodium aluminosilicate and evaporated, the solid lithium carbonate precipitate is separated from the remaining liquid. The leaching water is sequentially heated first by the steam generated during evaporation and then by the gases released during sintering. The liquid remaining after separation of the solid lithium carbonate precipitate and the condensate after cooling of the steam are combined with the leaching water before its heating. The technical result of the claimed invention is the development of an industrial method for extracting lithium carbonate from spodumene ore with reduced energy consumption and material intensity, as well as a decrease in the amount of by-products.
Owner:CEJTLIN DMITRIJ

A fast ion conductor-stabilizer composite coated lithium manganese iron phosphate material, its preparation method, and its applications.

ActiveCN120793882BMangesium aluminatesAluminium silicatesElectrical conductorSodium aluminosilicate
This invention relates to a fast-ion conductor-stabilizer composite-coated lithium manganese iron phosphate material, its preparation method, and its applications. The lithium manganese iron phosphate material of this invention comprises a lithium manganese iron phosphate core and a coating layer on its surface. The coating layer is obtained by coating the surface of the lithium manganese iron phosphate core with a mixture of sodium aluminosilicate, magnesium aluminate, a carbon source, and a lithium supplement, followed by sintering. This invention utilizes sodium aluminosilicate and magnesium aluminate combined with conductive carbon for co-coating lithium manganese iron phosphate, achieving partial Na+ ionization during high-temperature sintering. + / Al 3+ / Mg 2+ Multiple ions are co-intercalated into the near-surface layer of lithium manganese iron phosphate crystals, thereby forming a more stable structure and Li + A cellular structure that facilitates diffusion. During high-temperature sintering, some magnesium aluminate reacts with the lithium supplement to form an Al-based fast ion conductor, coupled with the wider Li-ion diffusion of sodium aluminosilicate. + The diffusion channels give the material excellent rate performance.
Owner:SHANGHAI TECHSUN ANTI COUNTERFEITING TECHNOLOGY HOLDING CO LTD +1

Topical oral compositions for scavenging drugs / toxins from saliva and methods of making and using the same

The present disclosure is directed to oral compositions and methods of use thereof. The oral composition comprises one or more comprising absorbent or absorbing complex, such as charcoal, silica, diatomaceous earth, bentonite, kaolin, sodium aluminosilicate, synthetic, surface modified or coated absorbent / adsorbent, providing scavenging for drugs / metabolites / toxins / bioagents. The composition, such as a gum, will be taken orally by a user and transfer a drug / metabolite / toxin / bioagent from saliva of said user to the composition and then removed.
Owner:UNIV HOUSTON SYST +1

Low tfm pour and cast soap bar

Disclosed is a melt and pour soap bar composition comprising 6 to 20 wt% soap, 4 to 20 wt% of sodium aluminosilicate; and 60 to 80% of water.
Owner:UNILEVER IP HLDG BV +2