118 results about "Octanol" patented technology

The application discloses a preparation method of a catalyst for liquid-phase refining of crude octanol, and the preparation method comprises the following steps: (1) mixing pretreated fly ash and pseudo-boehmite, adding deionized water and nitric acid, stirring until a colloid is formed, drying the colloid, mixing the dried colloid with kaolin, and obtaining a carrier through kneading, extrusion molding, drying and calcination; (2) taking a nickel salt, a manganese salt and a zinc salt as active components, taking a calcium salt as an auxiliary component, dissolving the active components and the auxiliary component in deionized water to obtain a salt solution, adding n-hexane into the salt solution and stirring uniformly to prepare an impregnation solution, immersing the carrier in the impregnation solution, and obtaining the catalyst through washing, drying and calcination. The catalyst prepared by the method is mainly used in a liquid-phase refining reaction process of crude octanol, and has high activity stability and selectivity.

The invention belongs to the technical field of coal washing flotation reagents, and discloses a synthesis process of an environment-friendly coal washing flotation reagent foaming agent, and the synthesis process comprises the following steps: composite reaction; water phase fusion; according to the method, biodegradable alcohols such as pentanol and sec-octanol are adopted as main raw materials, and poloxamer and glycerol are matched, so that the problem of toxic residue of a traditional hydrocarbon foaming agent is avoided. In the synthesis process, low-boiling-point impurities are removed through molecular sieve filtration and a rotary evaporator, it is ensured that the purity of the raw materials is larger than or equal to 99.5%, the proportion of the final product deionized water reaches 40-50%, the use amount of an organic solvent is greatly reduced, nanoscale wrapping of alcohol molecules by an emulsifier OP-10 is achieved through a gradient water adding method and an ultrasonic-assisted emulsification technology, and the content of the alcohol molecules is reduced. And a microemulsion structure with high interfacial film strength is formed. After lauryl sodium sulfate is added as an auxiliary emulsifier, the strength of an oil-water interfacial film is improved by 30% or above, and the half-life period of foam is prolonged to 1.8 times of that of a traditional process.

The invention relates to the technical field of non-ferrous metal beneficiation, in particular to a flotation reagent composition for recycling micro-fine particle copper sulfide from copper oxide acid leaching residues and a beneficiation method of the flotation reagent composition. The flotation reagent composition for recovering copper sulfide from copper oxide acid leaching residues is characterized by comprising a collecting agent, a hydrophobic agglomeration agent and a foaming agent, and the collecting agent is ethyl thioacetate; the hydrophobic agglomeration agent is prepared from octadecyl triethoxy silane and kerosene; and the foaming agent is selected from terpilenol, methyl isobutyl carbinol or sec-octanol. The ethyl thioacetate serving as a collecting agent is stable in chemical property in an acid environment, weak in gangue mineral collecting capacity and good in selectivity in the copper sulfide mineral flotation process, and therefore the grade and the recovery rate of obtained copper sulfide concentrate are higher.

The present invention discloses a PVC / ABS / PC modified material and a preparation method thereof, belonging to the field of polymer material technology. The PVC / ABS / PC modified material comprises the following raw materials in parts by weight: 60-80 parts PVC, 30-40 parts ABS, 10-20 parts modified PC, 5-15 parts plasticizer, 2-5 parts stabilizer, 1-2 parts lubricant, and 1-2 parts antioxidant. The plasticizer is prepared by the following method: S1: bis(2-hydroxyethyl) terephthalate reacts with oleic acid chloride to form a double-chain unsaturated compound; S2: the double-chain unsaturated compound reacts with formic acid and H2O2 to form a diepoxide; S3: the diepoxide reacts with n-octanol to form the plasticizer. The PVC / ABS / PC modified material prepared by the present invention has good tensile properties and impact strength.

The invention belongs to the technical field of organic synthesis, and discloses a preparation method of 4-sulfydryl-1-octanol, which comprises the following steps: mixing gamma-octanolactone and concentrated hydrochloric acid, carrying out heating reflux reaction for set time, cooling, and separating out an organic phase; adding thioacetic acid into the organic phase, controlling the temperature at 15-20 DEG C, adding a strong alkali solution into the organic phase, heating to 30-45 DEG C, keeping the temperature for 1-3 hours, and carrying out condensation reaction; after the condensation reaction is finished, adding acid to adjust the pH value to be weak acid, extracting a reaction system, washing and concentrating an organic phase, and redissolving a concentrate by adopting an organic solvent to obtain a mixed solution I; and preparing a lithium aluminum hydride solution, slowly adding the mixed solution I into the lithium aluminum hydride solution under a low-temperature condition, and carrying out a reduction reaction at the temperature lower than 20 DEG C for 1-4 hours after the lithium aluminum hydride solution is completely added. The used raw materials are cheap and easily available, the operation is simple and convenient, and the industrial value is high.

The present application relates to the field of food, disclose a kind of method for removing mushroom smell of edible mushroom, wherein the method comprises: edible mushroom is carried out photocatalytic treatment under ultraviolet light;The mushroom smell is selected from 1-octene-3-alcohol and / or 1-octanol.The photocatalytic treatment of the present application makes the content of vitamin D2 in edible mushroom be improved, while the content of 1-octene-3-alcohol is significantly reduced, compared with the edible mushroom without ultraviolet treatment, the peak volume of 1-octene-3-alcohol can be reduced by 1356 times, effectively removes the mushroom smell of edible mushroom.

The application discloses a 30# hard pitch flue gas low-toxicity risk characteristic fingerprint spectrum evaluation method and application. The application constructs a total ion flow chromatogram characteristic fingerprint spectrum of 30# hard pitch flue gas, the fingerprint spectrum comprises five characteristic peaks of 5-hydroxyvaleraldehyde acetate, alanine, 2,7-dimethyl-1-octanol, acetone and 3-ethyl-2-methylheptane, a to-be-tested pitch flue gas sample is collected, and whether the corresponding chromatographic peaks appear simultaneously is analyzed; if the corresponding chromatographic peaks appear simultaneously and the total peak area is greater than 30%, the pitch flue gas is determined as low risk. The low-toxicity characteristic fingerprint spectrum unique to 30# hard pitch is used as an evaluation benchmark, and scientific basis is provided for identification of low-emission pitch materials and health protection of construction personnel.

This invention belongs to the field of new material preparation and application, specifically relating to a silicon carbide support and its application in hydrogenation catalysts. Using water glass as the silicon source, the pH of the water glass is adjusted to 7.0 with 10% dilute nitric acid. After filtration, washing, and further filtration, a slurry is obtained. Then, methylcellulose is used as the carbon source and mixed with the slurry. After drying, it is calcined at high temperature in a flowing inert atmosphere to form stable carbon-containing silicon carbide powder. Then, methylcellulose is used as a binder for kneading and extrusion molding, followed by high-temperature calcination in air to obtain the desired silicon carbide support. This SiC support has a high specific surface area and, when used in the preparation of hydrogenation catalysts, can effectively reduce the sulfuric acid color of octanol (octenal hydrogenation product) and effectively improve the ultraviolet light transmittance of ethylene glycol (ethylene glycol hydrogenation refining product).

The application discloses an amplification preparation method of dimethylheptyl methylphosphonate, and belongs to the technical field of medical intermediates. The core point of the application is that 2-octanol and phosphorus trichloride are used as raw materials, and tri-2-octyl phosphite is generated in an organic solvent in the presence of a catalyst A, then the tri-2-octyl phosphite is reacted with a methylating agent in the presence of a catalyst B to generate dimethylheptyl methylphosphonate. The method avoids the use of dangerous reagents and expensive reagents, reduces the raw material cost, reduces the generation amount of isomers, improves the reaction yield, greatly reduces the amount of three wastes, and makes the whole preparation process more green and environment-friendly. The process is simple and reliable, easy to industrial production, and provides a new reaction path for the synthesis of dimethylheptyl methylphosphonate.

The invention discloses a method for removing the fishy smell of chicken gizzards through multi-bacterium combined fermentation, and belongs to the technical field of poultry byproduct processing. According to the method disclosed by the invention, the chicken gizzards are subjected to fishy smell removal treatment by compounding the saccharomycetes Y4-1 and the bacillus SB. After fishy smell removal treatment, the content of key fishy smell substances including 1-octylene-3-alcohol, octanol, hexanal, nonanal and heptanal is greatly reduced, the total content is reduced from 25.15 mu g / g to 6.02 mu g / g and is reduced by 76.06%, heptanol, geranyl acetone, methyl heptanoate, methyl caprylate, glycerol monooleate, trans-2-decenal, 2-undecenal and other substances are completely removed, and the content of the key fishy smell substances is reduced by 76.06%. Meanwhile, elegant aroma components such as benzaldehyde and phenylacetaldehyde are generated. In conclusion, the saccharomycetes Y4-1 and the bacillus SB are compounded to remove fishy smell, so that the fishy smell substances of the chicken gizzards can be effectively removed, the flavor of the chicken gizzards can be further improved, and the edible value of the chicken gizzards is improved.

The invention discloses a tissue slice in-situ hybridization pretreatment liquid and a use method, the tissue slice in-situ hybridization pretreatment liquid is characterized in that the tissue slice in-situ hybridization pretreatment liquid is composed of a compound component A solution and a surfactant component B solution, the compound component A solution and the surfactant component B solution have a proper octanol / water partition coefficient and can effectively remove endogenous fluorescent substances, and a solvent is a hydrophilic solvent; wherein the component A is one or a combination of more of bis (hexamethylene) triamine, dodecyl pyridine chloride, cyclohexylamine, isophorone diamine, N-benzylamino ethanol, N, N, N, N-tetramethyl-1, 6-hexamethylenediamine and 1, 3-bis (aminomethyl) cyclohexane; and the component B is one or a combination of more of triton X-100, tween-20, lauryl sodium sulfate and sodium dodecyl benzene sulfonate. The method is used when the FFPE slice is subjected to fluorescence in-situ hybridization or immunofluorescence experiments, autofluorescence can be reduced in a rapid removal mode, the pretreatment effect is remarkably improved, and the hybridization efficiency of samples difficult to hybridize is improved.

The invention relates to the technical field of gas leak detection agents, and provides a micron bubble leak detection agent and a preparation method and application thereof. The micron bubble leak detection agent is composed of a component A and a component B, wherein the component A comprises the following components in parts by weight: 40-50 parts of deionized water, 2-4 parts of n-caprylic acid, 1-1.5 parts of a foaming agent, 0.1-0.2 part of a corrosion inhibitor, 0.05-0.08 part of sodium polyacrylate and 0.02-0.04 part of a chelating agent; the component B is prepared from the following components in parts by weight: 40 to 50 parts of deionized water, 0.05 to 0.1 part of sodium carboxymethyl cellulose, 0.05 to 0.1 part of xanthan gum, 0.4 to 0.8 part of polyhydric alcohol, 0.2 to 0.4 part of octanol and 0.3 to 0.5 part of an auxiliary agent; the auxiliary agent comprises anionic polyacrylamide and hydrolyzed polyacrylonitrile sodium salt in a mass ratio of 2: (1-2). According to the technical scheme, the problem of insufficient foam stability of the gas leak detection agent in the prior art is solved.

Provided is an ink jet ink composition containing a pigment, a resin binder, and an organic solvent. The pigment includes a resin-dispersed pigment dispersed with a crosslinked resin. The resin binder includes a self-emulsifying type resin binder. The organic solvent includes an organic solvent having an octanol-water partition coefficient log Pow value of 0 to 1.

The invention discloses a catalyst for preparing 1-octene or octyl ether through dehydration of 1-octanol, the catalyst is a gradient acid site catalyst, and the total proportion of weak acid sites and medium-strong acid sites of the catalyst is greater than or equal to 70%; the catalyst is composed of a carrier, P2O5 and ZnO, wherein the P2O5 and the ZnO are loaded on the carrier, and the carrier is gamma-Al2O3; according to the mass of the gamma-Al2O3, the loading capacity of the ZnO is 2-5%, and the loading capacity of the P is 0.5-1.0%. Meanwhile, the invention discloses a preparation method and application of the catalyst. The total proportion of the catalyst, the weak acid site and the medium-strong acid site is greater than or equal to 70%, the catalyst is a gradient acid site catalyst, the weak acid site can promote intermolecular dehydration to generate octyl ether, and the medium-strong acid site can promote intramolecular dehydration to generate 1-octene, so that the catalyst realizes dual purposes.

This invention discloses a low-temperature resistant composite flotation reagent for coal preparation and its preparation method, specifically relating to the field of flotation technology. The reagent is formed by emulsification of a composite collector, a composite frother, and an aqueous phase. The composite collector contains kerosene, n-dodecane, oleic acid, dimer acid, surfactant components, and low-temperature stabilizing components. The composite frother contains terpineol, pine oil, sec-octanol, and sodium α-olefin sulfonate, etc. Through compounding and synergistic effects, high-speed shear emulsification, and high-pressure homogenization, the obtained reagent exhibits good dispersibility and stability at -5 to 15°C, and can improve the flotation efficiency, clean coal yield, and combustible gas recovery rate of fine coal slime and high-ash, difficult-to-separate coal slime without heating the coal slurry.

The present application belongs to the field of gasoline additive, and particularly relates to an environment-friendly gasoline antiknock agent and a preparation method thereof. The antiknock agent comprises two newly designed modified compounds: 3,5-di-tert-butyl phenyl carborane carboxylate and 2-(dicyclohexyl phosphino)-1,2-oxaborinin-4-carboxylic acid iso-octyl ester. In the preparation, a cosolvent is first added into a reactor, and then the two modified compounds, polyisobutylene amine, isobutyl acetate and dimethyl malonate are sequentially added under an inert atmosphere. After mixing by continuous stirring, the temperature is raised, an antioxidant is added, and then stirring is continued. Finally, the product is obtained by cooling and filtering. The two modified compounds are prepared by condensation reaction of carborane carboxylic acid and steric phenol, esterification of oxaborinin carboxylic acid and iso-octanol, and then phosphination reaction. The antiknock agent does not contain metal elements, has biodegradable characteristics, can significantly improve the octane number of gasoline and reduce engine deposits and harmful gas emissions, and meets the green environmental protection requirements.

To provide a water-based ink for inkjet printing excellent in substrate adhesion, wet spreadability and printing density of the ink to a low liquid absorbing printing substrate.SOLUTION: A water-based ink for ink-jet printing on a low-liquid absorbing printing substrate, which comprises a pigment, an organic solvent (A), an organic solvent (B) and water, wherein the organic solvent (A) is a glycol ether having an octanol-water partition coefficient logP of at least 0.75, the organic solvent (B) is a glycol ether or alkylene glycol having an octanol-water partition coefficient logP of less than 0.75, and a distance Ra between Hansen solubility parameters (HSP) of the organic solvent (A) and the organic solvent (B) is not more than 5.5, A mass ratio (A) / (B) of the organic solvent (A) to the organic solvent (B) is not less than 0.4 and not more than 2.5.SELECTED DRAWING: None

This invention discloses a method for extracting gallium from copper smelting dust. The method includes pretreatment, extraction, and back-extraction steps, specifically: adjusting the pH of a nickel-containing copper sulfate solution to 0.5-1.0 with a pH adjuster to obtain material a; extracting material a with a composite extractant to obtain an organic phase b and an aqueous phase c; back-extracting organic phase b with a sulfuric acid solution to obtain a gallium-containing solution d and a raffinate e; the composite extractant is composed of N235 extractant, 2-octanol, and sulfonated kerosene. This invention recovers gallium from copper smelting dust, efficiently enriching low-concentration gallium, improving recovery rate, supplementing traditional gallium extraction channels, extending the copper industry chain, increasing added value, harmlessly treating harmful impurities in the dust, reducing environmental costs, and strengthening my country's strategic gallium resource protection capabilities. Therefore, developing this recovery technology is a key measure to solve the problem of separating and enriching low-concentration gallium and to solidify industrial security.

The invention relates to a full-continuous production process of dioctyl terephthalate, and belongs to the technical field of high-molecular compound synthesis processes. The invention discloses a full-continuous production process of dioctyl terephthalate, which comprises the following steps: by taking a three-stage gradient reaction device as an esterification tower, increasing the esterification rate by controlling gradient temperature and pressure, connecting an esterification separator to the top of the esterification tower, separating water vapor and alcohol vapor, cooling the vapor, and carrying out oil-water separation, and freezing and standing the separated octanol to flow back into the esterification tower, enabling the material reacted in the esterification tower to flow out from the bottom of the tower, introducing into a secondary distillation tower, carrying out reduced pressure distillation, cooling and dehydrating, and filtering to obtain a finished product.

The application discloses vanillyl octyl ester, a preparation method and application thereof, and relates to the field of insulating oil additives. Vanillyl acid and n-octanol are subjected to esterification under the action of a biological enzyme catalyst to synthesize vanillyl octyl ester, and the synthesis method is efficient, green, environmentally friendly and low in cost. The prepared vanillyl octyl ester is added into synthetic ester insulating oil as an antioxidant active ingredient, the long ester chain in the vanillyl octyl ester has high thermal stability, can effectively inhibit the oxidation of the synthetic ester insulating oil at high temperature, and has good compatibility with the synthetic ester insulating oil. Therefore, compared with traditional antioxidants, the vanillyl octyl ester has significant advantages in maintaining excellent antioxidant properties and electrical properties of the synthetic ester insulating oil.

The present disclosure provides an equipment for production of butanol and octanol and a triple-effect distillation method, comprising two processes: butanol separation and octanol separation, both processes use same feedstocks to obtain n-butanol, iso-butanol and octanol products through different procedures, respectively, wherein butanol separation process is sequentially divided into hydrogenation, removal of light and heavy components and separation of isomeric; and octanol separation process is sequentially divided into separation of isomeric, hydrogenation and removal of light and heavy components; the removal of light and heavy components for butanol is carried out by a butanol pre-distillation column and a butanol distillation column, and the separation of isomeric for butanol is carried out by a first butanol isomer column and a second butanol isomer column; and the separation of isomeric for octanol is carried out by a first butyraldehyde isomer column and a second butyraldehyde isomer column.

This invention relates to the field of gas leak detection agents, and proposes a micron-sized bubble leak detection agent, its preparation method, and its application. The micron-sized bubble leak detection agent consists of component A and component B. Component A includes the following components by weight: 40-50 parts deionized water, 2-4 parts n-octanoic acid, 1-1.5 parts foaming agent, 0.1-0.2 parts corrosion inhibitor, 0.05-0.08 parts sodium polyacrylate, and 0.02-0.04 parts chelating agent. Component B includes the following components by weight: 40-50 parts deionized water, 0.05-0.1 parts sodium carboxymethyl cellulose, 0.05-0.1 parts xanthan gum, 0.4-0.8 parts polyol, 0.2-0.4 parts octanol, and 0.3-0.5 parts additives. The additives include anionic polyacrylamide and hydrolyzed sodium polyacrylonitrile in a mass ratio of 2:1-2. This technical solution solves the problem of insufficient foam stability in gas leak detection agents in related technologies.

This application discloses a method for determining the fermentation degree of Bozhou chrysanthemum glutinous rice wine based on volatile components, relating to the field of alcoholic beverage fermentation detection technology. The method includes: S1. Sample preparation: 2 mL of Bozhou chrysanthemum glutinous rice wine sample is placed in a 20 mL headspace vial, 10 µL of 100 ppm 2-octanol internal standard solution is added, and the vial is sealed and incubated at 60°C for 15 min. Three parallel samples are set up for each sample; S2. Headspace sampling; S3. GC-IMS combined detection; S4. Data processing and qualitative analysis; S5. Multidimensional analysis of volatile components; S6. Screening of characteristic volatile components; S7. Determination of fermentation degree. This method for determining the fermentation degree of Bozhou chrysanthemum glutinous rice wine based on volatile components applies GC-IMS technology to the determination of the fermentation degree of Bozhou chrysanthemum glutinous rice wine. The detection process is carried out at room temperature, which can truly reflect the actual flavor components in the sample. Furthermore, it eliminates the need for sample enrichment and concentration; liquid samples can be directly detected via headspace sampling, saving time and effort and achieving high detection efficiency.

The application discloses a kind of industrial wastewater mixed extractant grading purification directional recovery process, comprising the following steps: industrial wastewater is passed into the adsorption device of amine group-phosphonic acid group modified graphene adsorption material, and the adsorption of specific impurities is strengthened by regulating and controlling bifunctional group mole ratio;Into the adsorption saturated device containing amino phosphonic acid type chelating agent complex desorption agent, using non-overlapping subsection desorption mode directional desorption of n-octanol and N235 and sulfonated kerosene;Mixed desorption liquid is separated after complex desorption agent by rectification, and each extractant component is purified by gradient vacuum distillation;Amine salt waste liquid is reused to adsorption device, and amine salt decomposition and adsorption material functional group in situ regeneration are completed under acidic conditions.The above steps solve the problems of poor adsorption selectivity, desorption interference and material activity attenuation in existing process, realize efficient directional recovery of mixed extractant, and significantly improve the cycle stability of adsorption material.

The present invention discloses a flotation collector, a preparation method, and an application thereof, and relates to the field of mineral processing technology. The flotation collector comprises carbonized methyl carbamate, zinc diethyldithiocarbamate, butyl octanol, and sulfate in a mass ratio of (3-6): (1-12): (2-3): (3-8). During the flotation treatment of cassiterite ore, the composite flotation agent prepared thereby reduces the loss of easily muddied fine and micro-grained cassiterite in tailings after one roughing, three scavenging, and three cleaning steps. The agent accurately adsorbs and reduces the cassiterite content in the cassiterite ore, achieves efficient recovery of fine and micro-grained cassiterite, improves the effective recovery of cassiterite, and significantly improves the tin grade and recovery rate in the tin concentrate.

The invention discloses a flotation collecting agent for achieving separation of apparent crystal quartz and micro-cryptocrystal siliceous minerals and application of the flotation collecting agent, the flotation collecting agent is composed of 50-70 wt% of cocamidopropyl betaine and 30-50 wt% of sec-octanol, the cocamidopropyl betaine and the sec-octanol are stirred and mixed to be uniform, and then the composite flotation collecting agent is obtained. The collecting agent has good selective collecting performance on apparent crystal quartz in siliceous rock ore, effective separation of the apparent crystal quartz and micro-cryptocrystalline siliceous minerals is achieved, the blank of the prior art is filled, progress and development of the siliceous mineral flotation technology are promoted, the comprehensive utilization rate of mineral resources in the field is increased, and the economic benefit is increased. The method has obvious economic benefits and social benefits.

The invention discloses a method for separating rare earth and fluoroaluminum in a high-fluoroaluminum and low-rare-earth-content material, and belongs to the field of rare earth hydrometallurgy. Aiming at the technical problems of poor selectivity and easiness in emulsification when the materials are treated by an existing single extraction system, a five-component synergistic extraction system is adopted, a mixed extraction agent is prepared according to the volume ratio of P204: P507: TBP: sec-octanol: diluent, and after hydrochloric acid pretreatment and ammonia water saponification, three-stage to six-stage counter-current extraction is carried out on the mixed extraction agent and the pretreated material liquid subjected to pH regulation. Rare earth is selectively extracted into an organic phase, fluorine and aluminum are enriched in raffinate, and efficient separation is achieved. And the rare earth-loaded organic phase is subjected to reverse extraction with high-concentration hydrochloric acid to obtain a concentrated rare earth solution, and trace rare earth in raffinate can be recovered through oxalic acid precipitation. Through the synergistic effect of specific components, the separation selectivity is remarkably improved, extraction emulsification is effectively avoided, stable operation of the process is guaranteed, and the method is particularly suitable for efficient treatment of complex high-fluorine-aluminum low-rare-earth materials.

The application relates to the technical field of wet electronic chemicals, and discloses a production method of high-purity activated carbon for preparing electronic-grade hydrogen peroxide, and the specific preparation process steps are as follows: step one: high-quality coal liquefied pitch is used as an extraction agent, 1000 kg of high-quality coal liquefied pitch is added into 2000 kg of refined naphthalene, 150 kg of anhydrous aluminum chloride is further added, and stirring reaction is carried out under oil bath at 180 DEG C for 120 min; step two: solid-liquid separation is realized by using a horizontal solid-liquid centrifuge, and the solid phase is discarded, more than 90% of the anhydrous aluminum chloride is removed, the ash content of the activated carbon is less than 0.3%, and the quality is stable; in the primary treatment of preparing the electronic-grade hydrogen peroxide, more than 99% of organic impurities, more than 95% of inorganic impurities and the like in industrial hydrogen peroxide can be removed, the organic impurities are aromatic hydrocarbons, octanol, tri-octyl phosphate, anthraquinone compounds and phenols, the inorganic impurities are calcium, sodium, potassium, iron, aluminum and silicon, the adsorption capacity of the activated carbon does not obviously decrease after being regenerated for 5 times, and the use cost of customers is greatly reduced.

The utility model relates to residual liquid dehydration technical field, concretely relates to a butyl octanol residual liquid dehydration device, including support frame, still including the dehydration mechanism for to residual liquid dehydration, dehydration mechanism is located above support frame, dehydration mechanism includes the outer bucket setting above support frame, the dehydration bucket is fixed with in the outer bucket, the inside stirring structure of dehydration bucket is equipped for to residual liquid dehydration when carrying out stirring, the vibration structure that is used for driving the vibration of gas collecting hood is equipped with above gas collecting hood. Advantageous effects: through the residual liquid in dehydration bucket inside all -round stirring of stirring structure, makes the uniform mixing of light component and heavy component in residual liquid interior, prevents the stratification phenomenon of light component and heavy component, simultaneously when stirring residual liquid flows in a large range, contribute to residual liquid even heating, avoid partial residual liquid because of temperature is too high and takes place coking, carbonization etc. phenomenon, and then accelerated residual liquid's heat transfer efficiency, improved residual liquid dehydration's quality and efficiency.

The application relates to the technical field of modified epoxy resins, in particular to a fluorine-containing epoxy resin and a preparation method and application thereof, and can solve the problem that the modification effect of a fluorine-containing epoxy resin prepared by physically blending an epoxy resin and a fluorine-containing curing agent is limited due to poor compatibility between the two. The preparation method of the fluorine-containing epoxy resin comprises the following steps: taking 2-(but-3-enyloxy)-3-hydroxypropyl acetate and maleic anhydride, performing esterification reaction under first preset conditions to obtain a first intermediate product; taking the first intermediate product and perfluoro-1-octanol, performing esterification reaction under second preset conditions to obtain a second intermediate product; and taking the second intermediate product and an oxidizing agent, performing epoxidation reaction under third preset conditions to obtain the fluorine-containing epoxy resin.