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15 results about "Sulfate sodium" patented technology

Sodium sulfate is the sodium salt of sulfuric acid. When anhydrous, it is a white crystalline solid of formula Na2SO4 known as the mineral thenardite. Sodium sulfate is one of the most important minerals in the chemicals industry.

Decontamination and dust fall reagent as well as preparation method and application thereof

The invention discloses a decontamination and dust fall reagent as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) preparing a compound solution: adding ferrous gluconate, sodium alkyl sulfosuccinate, sodium alcohol ether sulfate, lauryl sodium sulfate and polyacrylamide into deionized water according to the mass fraction of 0.10%-0.15%, 0.05%-0.20%, 0.05%-0.15%, 0.10%-0.15% and 0.005%-0.02% respectively to obtain the compound solution; (2) preparing micro-nano bubble water; and (3) adding the compound solution into the micro-nano bubble water in a volume ratio of 1: (0.5-2), and fully mixing the compound solution and the micro-nano bubble water to obtain the decontamination and dust fall reagent. According to the decontaminating and dust-settling reagent prepared by the invention, an environment-friendly surfactant is selected, so that dust can be settled, toxic and harmful gases generated by explosion can be removed by utilizing the characteristic that micro-nano bubble water directly participates in catalytic oxidation, and a good decontaminating and dust-settling effect is achieved.
Owner:NAT HEALTH COMMISSION OCCUPATIONAL SAFETY & HEALTH RES CENT (NAT HEALTH COMMISSION COAL IND OCCUPATIONAL MEDICINE RES CENT)

Acidic decolorizing agent and preparation method thereof

The invention provides an acidic decolorizing agent. The invention relates to an adhesive which comprises the following components in parts by weight: 30-34 parts of hydrolyzed wheat starch, 28-32 parts of wheat flour, 12-16 parts of potassium persulfate, 4-8 parts of ammonium persulfate, 3.5-7.5 parts of hydroxyethyl cellulose, 1.5-5.5 parts of silicon dioxide, 1-2 parts of hydroxypropyl trimethyl ammonium chloride hydrolyzed collagen, 0.8-1.3 parts of guar gum and 0.8-1.3 parts of sodium metasilicate. The invention relates to an anti-rust agent, which is prepared from the following components in parts by weight: 0.8 to 1.3 parts of magnesium stearate, 0.8 to 1.3 parts of magnesium carbonate, 0.8 to 1.3 parts of disodium ethylene diamine tetraacetate, 0.08 to 0.12 part of hydrolyzed keratin, 0.4 to 0.8 part of sodium laureth sulfate, 0.3 to 0.5 part of titanium dioxide, 0.3 to 0.5 part of glucose and 0.1 to 0.3 part of mineral oil.
Owner:全贤静 +1

Carbon composite sulfate series sodium battery positive electrode material and preparation method thereof

The invention discloses a carbon composite sulfate series sodium battery positive electrode material, a preparation method and a sodium ion battery, the carbon composite sulfate series sodium battery positive electrode material has an interlayer structure formed by sodium ferrous sulfate and a nano carbon material, and the general formula is Na6Fe4 + x (SO4) 7 + x.Cy, wherein 0 < = x < = 1; 2 < = y < = 5; the nano carbon material is at least distributed in the sodium ferrous sulfate to form inner layer carbon, and the inner layer carbon and the sodium ferrous sulfate form the sandwich structure. According to the sulfate series sodium battery positive electrode material disclosed by the embodiment of the invention, the carbon material is introduced into the sodium ferrous sulfate particles to form a sandwich structure, so that electrons can be conducted in the particles through a three-dimensional conductive network, the electron conduction capability of the material is improved, and the material shows relatively high gram volume and relatively good rate capability.
Owner:NAYUAN NEW MATERIAL TECH (WUXI) CO LTD

Lithium mica flotation collector and preparation method thereof

The present application relates to a kind of lithium mica flotation collector and its preparation method, the lithium mica flotation collector includes: sodium salt of n-butyl oleate sulfate, coconut amine, carboxylic acid, solvent alcohol and methyl isobutyl carbinol.The lithium mica flotation collector provided by the present application utilizes the synergistic effect of sodium salt of n-butyl oleate sulfate, coconut amine, carboxylic acid, solvent alcohol and methyl isobutyl carbinol, improves the solubility and dispersibility of the flotation collector, which is beneficial to the dispersion of the flotation collector in the ore pulp and the adsorption on the surface of lithium mica, thereby improving the grade and recovery rate of lithium mica concentrate;It has the characteristics of easy solubility in water, good dispersibility and solubility, etc., and can be directly added in the flotation operation when used, without adding hydrochloric acid configuration, good operating environment;The dosage (200-800 g / t) can achieve good separation effect.
Owner:BEIKANG CHEM (CANGZHOU) CO LTD

Degradable high-efficiency cleaning material special for photovoltaic module and preparation method thereof

The application relates to the technical field of photovoltaic operation and maintenance materials, and particularly discloses a degradable high-efficiency cleaning material special for photovoltaic modules and a preparation method thereof, wherein the degradable high-efficiency cleaning material comprises a first component and a second component; the first component is a cleaning agent; and the second component is a solvent; according to mass fractions, the first component comprises 3-8 parts of sodium alkylol amide polyether sulfate, 6-15 parts of potassium cocoyl glycinate, 1-3.5 parts of sodium bicarbonate, 0.3-0.45 parts of sodium chloride, 2-3.8 parts of sodium carbonate, 5-7.5 parts of fatty alcohol polyoxyethylene ether, 2-2.8 parts of alkyl polyglycoside, 1.8-2.2 parts of sodium citrate, 2-3 parts of glycerol and 4.5-5 parts of phenoxyethanol; in the application, degradable and mild raw material formulations are used throughout, core surfactants are selected from natural derivative components such as fatty alcohol polyoxyethylene ether and alkyl polyglycoside, the biodegradation rate is high, waste liquid after use can be naturally decomposed, the soil and water sources cannot be polluted, and the application completely meets the requirements of environmental protection policies.
Owner:WUXI YAONENG INTELLIGENT TECHNOLOGY CO LTD

Lithium precipitation mother liquor recovery method, composite ferrous sulfate sodium material, positive electrode sheet, and secondary battery

The application provides a lithium precipitation mother liquor recovery method, a composite ferrous sulfate sodium material, a positive electrode sheet and a secondary battery, and belongs to the secondary battery field, wherein the lithium precipitation mother liquor recovery method comprises the following steps: adjusting the pH value of the lithium precipitation mother liquor to be less than or equal to 5 to obtain a first mother liquor; the first mother liquor is mixed with ferrous sulfate, a sodium salt and a first reducing agent; the first mixture is subjected to a first drying treatment; the first dried material is subjected to a first calcination treatment to obtain a first calcined material; the first calcined material is subjected to a crushing treatment to obtain a crushed material; after the crushed material is mixed with an aqueous solution of a second reducing agent and is subjected to a solid-liquid separation treatment, a ferrous sulfate sodium precursor is obtained; the ferrous sulfate sodium precursor is subjected to a slurry treatment to obtain a first slurry; after the first slurry, a carbon source and a third reducing agent are mixed, the mixture is subjected to a grinding treatment, a second drying treatment and a second calcination treatment to obtain a composite ferrous sulfate sodium material. The application is beneficial to realizing effective separation of lithium ions and sodium ions in the lithium precipitation mother liquor.
Owner:HUBEI WANRUN NEW ENERGY TECH CO LTD

Flying snow spray with high foam stability

ActiveCN120329915BImprove stabilityeasy to useOther chemical processesOLEAMIDOPROPYL BETAINEBetaine
The present application relates to the technical field of spray, and discloses a flying snow spray with high foam stability. The flying snow spray with high foam stability comprises the following components in mass fraction: solvent 66.9-73.5 parts; auxiliary agent 0.6-1 part; surfactant 5.6-6.6 parts; fragrance 0.3-0.5 part; propellant 20-25 parts; and the surfactant is a compound of fatty alcohol polyoxyethylene ether sodium sulfate, sodium laureth sulfate, cocamidopropyl betaine, sodium cocoyl alaninate and glycerol monostearate. The present application has the advantage of improving the foam stability of the flying snow spray.
Owner:GUANGDONG PENG WEI FINE CHEM CO LTD

A beneficiation method for lepidolite

ActiveCN117160666BSolve the problem of mineral processing that is difficult to recycle at the same timeEfficient recyclingFlotationWet separationCarboxylic acidLepidolite
This invention relates to a beneficiation method for lepidolite, comprising: classifying lepidolite-bearing minerals to obtain coarse-grained ore and fine-grained ore; subjecting the fine-grained ore to desliming and flotation sequentially to obtain a first lepidolite concentrate; separating the coarse-grained ore using a spiral sluice to obtain a second lepidolite concentrate; and combining the first and second lepidolite concentrates to obtain a final lepidolite concentrate. The collector used in the flotation comprises, by weight, 15-30 parts of sodium oleate sulfate, 5-10 parts of coconut oil amine, 7-15 parts of carboxylic acid, 4-8 parts of C1-C3 alcohol, and 2-6 parts of methyl isobutyl methanol. The beneficiation method provided by this invention, through a combined gravity-flotation beneficiation process, uses gravity separation to recover coarse-grained lepidolite and flotation to recover fine-grained lepidolite, solving the beneficiation problem of simultaneously recovering coarse-grained and fine-grained lepidolite, and efficiently recovering lepidolite minerals.
Owner:NORTH MINING CHEM TECH (CANGZHOU) CO LTD

Sodium ferrous sulfate material and preparation method thereof, positive pole piece and secondary battery

The invention provides a sodium ferrous sulfate material and a preparation method thereof, a positive pole piece and a secondary battery, and belongs to the technical field of sodium ion batteries, the method comprises the following steps: mixing ferrite and sodium salt, and grinding to form a precursor; ball-milling and mixing the precursor, a carbon source and water in a protective gas atmosphere to obtain slurry; carrying out drying treatment on the slurry to obtain powder; in a protective gas atmosphere, sintering the powder in stages to obtain a sodium ferrous sulfate material; wherein the step-by-step sintering comprises the substep of sequentially carrying out first sintering, second sintering and third sintering on the powder, the temperature of the first sintering is 140-160 DEG C, the temperature of the second sintering is 290-310 DEG C, and the temperature of the third sintering is 370-390 DEG C. The invention aims to solve the technical problem that the existing sodium ferrous sulfate material has many impure phases.
Owner:HUBEI WANRUN NEW ENERGY TECH CO LTD

Efficient glass cleaning fluid for vehicles and preparation method of efficient glass cleaning fluid

The invention provides efficient glass cleaning fluid for a vehicle. Compared with the prior art, by adopting three surfactants including FMES, FMEE and alkyl alcohol polyether sodium sulfate as active, cleaning, degreasing and lubricating components, the FMEE and the FMES both have excellent oil and wax removal capacity, are easy to dissolve in water, and have the characteristics of low pollution, high stability and the like; the alkyl alcohol polyether sodium sulfate surfactant has efficient foaming performance and can well lubricate a windscreen wiper in the operation process, abnormal sound in the operation process of the windscreen wiper is reduced, the foaming and dirt and oil film removing effects of the windshield washer fluid are further enhanced, and the windshield washer fluid has the good foaming effect through mutual cooperation of different surfactants. The efficient glass cleaning fluid for the vehicle not only has very strong effects of removing an oil film and lubricating windshield glass to avoid abnormal sound of a windscreen wiper, but also has the advantages of good high and low temperature stability, low residue after being sprayed on the windshield glass and air-dried, and the like.
Owner:SHANGHAI LIXIANG AUTOMOBILE CO LTD

Sodium ferrous sulfate material and preparation method thereof, positive pole piece and secondary battery

The invention provides a sodium ferrous sulfate material and a preparation method thereof, a positive pole piece and a secondary battery, and belongs to the technical field of sodium ion batteries, the sodium ferrous sulfate material comprises an inner core and a coating layer coating the surface of the inner core, the general formula of the inner core is Na < x > (Fe < 1-m > M < m >) < y > (SO4) < z, 2lt >, xlt; 3, 1lt; yt; Yt; 2, 2lt; zlt, zlt; m is more than or equal to 0 and less than or equal to 0.15, M is selected from at least one of Mg, K, Al, Cu and Ti, and the material of the coating layer comprises C and B. The invention aims to solve the technical problem of low cycle performance of the existing sodium ferrous sulfate.
Owner:HUBEI WANRUN NEW ENERGY TECH CO LTD

Sodium ferrous sulfate positive electrode material and preparation method thereof

The invention belongs to the technical field of sodium ion battery positive electrode materials, and discloses a sodium ferrous sulfate positive electrode material and a preparation method thereof, and the preparation method of the sodium ferrous sulfate positive electrode material comprises the following steps: step 1, preparing a ferrous sulfate precursor; 2, mixing the ferrous sulfate precursor with a sodium source, iron-containing sulfate, an M source and a carbon source, and then sintering and crushing to obtain a sodium ferrous sulfate positive electrode material; wherein the specific method of the step 1 is as follows: an iron source and a hydrophilic modified carbon material are added into deionized water and stirred to obtain uniform slurry, then the slurry is subjected to spray drying to obtain a ferrous sulfate precursor, and the mass ratio of the iron source to the hydrophilic modified carbon material is (9-19): 1; the M source is a Mn source or a mixture formed by the Mn source and at least one of a Mg source, a Ti source and a Zn source; the chemical general formula of the sodium ferrous sulfate positive electrode material is NaxFeyMz (SO4) x / 2 + y + z, wherein x is greater than or equal to 1 and less than or equal to 3, y is greater than or equal to 0.1 and less than or equal to 2, and z is greater than or equal to 0.1 and less than or equal to 1. According to the invention, the morphology of the obtained sodium ferrous sulfate positive electrode material is controlled by firstly preparing the ferrous sulfate precursor, so that the electrical performance is improved.
Owner:JIANGMEN KANHOO IND CO LTD

Ferrous sodium sulfate positive electrode material and method for producing the same, positive electrode sheet, and secondary battery

This application provides a sodium ferrous sulfate cathode material, a method for producing the same, a cathode sheet, and a secondary battery, and belongs to the technical field of secondary batteries. The sodium ferrous sulfate cathode material comprises a core layer and a shell layer, the core layer material comprises sodium ferrous sulfate, and the shell layer material is a carbon material, where the thickness of the shell layer is 2 nm to 10 nm, and the Raman spectrum of the sodium ferrous sulfate cathode material has D peaks and G peaks. D / I G The value is (0.8~1):1. The ferrous sulfate sodium cathode material provided in this application has good conductivity, a relatively high charge-discharge ratio, and good electrochemical performance.
Owner:HUBEI WANRUN NEW ENERGY TECH CO LTD

Ammonium phosphate alkyl sodium sulfate compound with emulsifying capacity controlled by pH value as well as preparation method and application of ammonium phosphate alkyl sodium sulfate compound

The invention provides the preparation method of the ammonium phosphate alkyl sodium sulfate compound with the emulsifying capacity controlled by the pH value and the cyclic application of the ammonium phosphate alkyl sodium sulfate compound, and the obtained ammonium phosphate alkyl sodium sulfate compound is relatively high in water-soluble surface activity and has good emulsifying and solubilizing capacity. The reaction condition for controlling the emulsifying capacity of the ammonium phosphate alkyl sodium sulfate compound by the pH value is mild, the response is quick, the controllability is good, the demulsification is thorough, and the oil-water phase separation speed is higher. The cyclic utilization operation condition of the ammonium phosphate alkyl sodium sulfate compound is simple, no pollution is caused to an oil phase, the cyclic utilization rate of the ammonium phosphate alkyl sodium sulfate compound is not lower than 98.9%, and the recovery rate of the oil phase is not lower than 98.7%.
Owner:JIANGNAN UNIV

Bio-based recycled asphalt mixture as well as preparation method and application thereof

The invention relates to the technical field of asphalt pavements, and particularly discloses a bio-based recycled asphalt mixture as well as a preparation method and application thereof. The bio-based regenerated asphalt mixture is prepared from the following components in percentage by mass: 80 to 95 percent of RAP, 2 to 10 percent of regenerated mixed liquid, 0 to 5 percent of mineral powder and 2 to 10 percent of modified straw fiber, the regenerated mixed solution comprises the following components: 5%-85% of asphalt, 5%-40% of vegetable oil, 5%-40% of oleic acid monoester and 5%-15% of terpene unsaturated compounds; the modified straw fibers are straw fibers modified by sodium laureth sulfate and polyoxyethylene sorbitan monopalmitate. The performance of the aged asphalt in the RAP is recovered by using the regenerated mixed solution, the use amount of the RAP is increased, the components of the mixture can be mixed at normal temperature, better pavement performance can be realized without high-temperature heating, and the energy consumption is reduced.
Owner:XIYUEFA INT ENVIRONMENTAL PROTECTION NEW MATERIALS CO LTD