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124results about How to "Easy for industrialized continuous production" patented technology

Method for purifying, reclaiming and condensing sugar in lignocellulose prehydrolysis liquid

The invention relates to a method for reclaiming and condensing sugar and removing toxicity inhibitors in lignocellulose prehydrolysis liquid by the applied nanofiltration technology. The method is realized by the following scheme: the pH value of the lignocellulose prehydrolysis liquid is firstly adjusted to 2.0-5.0, and the filtration pretreatment is carried out to remove suspended impurities; and then a filtration membrane is used for condensing sugar and remove inhibitors, the sugar of glucose, xylose and the like is trapped by the nanofiltration membrane, the weakly acidic inhibitors (formic acid, acetic acid, levulinic acid and the like) and the furfural inhibitors (furfural, 5-hydroxymethyl furfural and the like) continually penetrate through the nanofiltration membrane, the various inhibitors in the prehydrolysis liquid are removed, and the sugar in the prehydrolysis liquid is condensed to realize the purification, reclaiming and condensation of the sugar in the prehydrolysis liquid, so that the fermentability of the sugar is improved. The invention has the advantages of simple and safe operation, high efficiency and energy saving, and facilitates the continuous production; the nanofiltration has effects of purification, reclaiming and condensation; and the method can realize the industrial production.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Potassium-sodium-manganese-iron-based Prussian-blue electrode material, and preparation method and application thereof

The invention discloses a potassium-sodium-manganese-iron-based Prussian-blue electrode material, and a preparation method and application thereof, belonging to the technical field of synthesis of new-energy materials. According a technical scheme in the invention, the potassium-sodium-manganese-iron-based Prussian-blue electrode material has a general chemical formula of K<x>Na<y>MnFe(CN)<6>, wherein x and y are both more than 0 and less than 2; and the material has a cubic structure and a particle size of 10 to 200 nm. The invention also discloses the preparation method for the potassium-sodium-manganese-iron-based Prussian-blue electrode material and application of the material to the positive electrode of a sodium-ion battery. The potassium-sodium-manganese-iron-based Prussian-blue electrode material prepared in the invention has the cubic structure and a particle size of 10 to 200 nm; the nanometer three-dimensional structure of the material leads to increase in the specific surface area of the material and effective reduction in transfer distance of ions or electrons in the electrode material, so the rate performance and cycle stability of the electrode material are improved; and the electrode material has excellent electrochemical performance as a positive electrode material for the sodium-ion battery.
Owner:HENAN NORMAL UNIV

Photoelectrochemical cell

The invention provides a photoelectrochemical cell. The photoelectrochemical cell comprises a photocathode and a photoanode which are arranged in parallel on the space, and projections of the photocathode and the photoanode on a plane vertical direction located by the photocathode and the photoanode are free from overlapping; the photocathode and the photoanode of the photoelectrochemical cell provided by the invention can simultaneously and maximally receive the irradiation of the vertical sunlight; two poles of the photoelectrochemical cell designed through the structure can be prepared through a coating method, printing and like technology, the process is simple, each of two poles has a patterning function and is easy for industrial continuous production, and can simultaneously receivethe irradiation, is free from using a proton membrane and capable of being manufactured as a flexible device, and the utilization efficiency of the sunlight is relatively high. The photoelectrochemical cell provided by the invention can degrade organic pollutant at the photoanode and remove multiple heavy metal ions and perform hydrogen production reaction at the photocathode, the dual-aim of removing pollutant through the solar energy and removing the heavy metal ions and producing hydrogen through the solar energy can be realized, thereby solving the environment pollution and energy crisis problems.
Owner:THE UNIV OF NOTTINGHAM NINGBO CHINA

Flexible electrochromism thin film preparation method

The invention provides a flexible electrochromism thin film preparation method. The flexible electrochromism thin film device includes at least two flexible transparent conductive layers, at least one electrochromism layer, and at least one high efficient solid electrolyte membrane; the solid electrolyte membrane is prepared from a PVB carrier, an inorganic lithium compound is dissolved in a polycarbonate solution as an electrolyte ion solution, an additive is added into the electrolyte ion solution according to a certain proportion, an organic solvent is used to dissolve the additive, an even sizing agent is formed through ball-milling, transparent even electrolyte layers are formed on surfaces of the transparent conductive layers through a silk-screen printing technology or a spraying method, a high efficient solid electrochromism device is acquired after vacuum seal, the adjustment voltage is 5-15 V under the action of a direct-current power supply, the high efficient solid electrochromism device changes from an achromatic color to a dark color, and the color changing efficiency is 5-30 seconds; and then a positive electrode and a negative electrode of the power supply are adjusted, the adjustment voltage is 5-10 V, and the high efficient solid electrochromism device becomes colorless again.
Owner:SHANGHAI DONGZHOU IND

Method for simultaneously extracting soybean oil and soybean milk powder by aqueous enzymatic method

The invention relates to a method for synchronously extracting soybean oil and soybean milk powder by an aqueous enzymatic method, which belongs to the technical field of plant grease processing. The method comprises the following steps: 1) dehulling soybeans and performing ultramicro grinding on the soybeans, extruding the soybeans and puffing the ground material to obtain a puffed product; 2) adding water into an enzymatic hydrolysis reaction vessel, heating steam and adding the puffed product to obtain mixed liquor, adjusting pH value of the mixed liquor, adding alkali protease for performing enzymatic hydrolysis, using a horizontal centrifuge after enzymatic hydrolysis is carried out for performing centrifugation to obtain emulsified oil, a hydrolysate and residues; and 3) using a disk centrifuge for performing centrifugation on the emulsified oil to obtain the soybean oil and a water phase, adding the water phase into the hydrolysate for concentration, and drying the material to obtain the soybean milk powder. The method has the advantages of simple process, short reaction time, less enzyme usage amount and low cost, and the prepared soybean oil has no solvent residues and has high quality. The soybean milk powder can be prepared when the soybean oil is prepared, the soybean milk powder can keep partial fat, and has advantages of rich bean fragrance, abundant nutrition, and good brewing property, and is suitable for continuous industrial production.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Elastic and stretchable electrochromic device

The invention provides an elastic and stretchable electrochromic device. The device comprises at least two layers of elastic and transparent conductive film and at least one layer of elastic electrochromic film. The device is characterized that an all-solid-state and high-transparency elastic electrochromic film is formed by taking a high-molecular polymer as a carrier, and passing through a castfilm device under high temperature; an elastic and transparent conductive film is prepared on the surface of a release film by taking an acrylamide high-molecular polymer as a carrier and using a screen printing technology; and sequentially packaging a multilayer material by using a vacuum automatic laminator to obtain an elastic and stretchable electrochromic device; the color change efficiency is 5-15 seconds, the fading efficiency is 3-10 seconds, the transmittance is increased to 95%, the coloring efficiency reaches to 150cm2/C, and the stretching deformation reaches to 400%. Flexible andstretchable electrochromic fibers are designed and producted, thereby solving the problem of elastic stretchable display and the key problem existing in the preparation of stretchable devices, the field of market application is greatly improved, and the elastic and transparent conductive film has a good application prospect in the fields of flexible batteries, energy storage, intelligent wearing,flexible display and the like.
Owner:SHANGHAI DONGZHOU IND

Nickel-based alloy ultra-thin plate

ActiveCN111411265AAchieve ultra-fine crystallizationImprove mechanical propertiesChemical compositionIndustrial equipment
The invention discloses a nickel-based alloy ultra-thin plate and a preparation method thereof. According to the percentage composition of the chemical components of alloy, the nickel-based alloy ultra-thin plate comprises 20%-30% of Fe, 20%-25% of Cr, 1.3%-1.9% of Al, 1.2%-1.6% of Ti, 0.5%-0.7% of Nb, 0.8%-1.0% of W, 0.5%-1.0% of V, 0.5%-0.7% of Mn, 0.2% of Mo, 0-0.02% of Zr, 0-0.15% of Si, 0-0.03% of C, 0.005%-0.04% of N, 0-0.004% of B, and the balance Ni and other inevitable impurities. The preparation method includes the steps of alloy smelting and casting, homogenization treatment, cogging, hot rolling, strong deformation cold rolling, finish rolling, recrystallization heat treatment and the like. By adoption of the mode of combining strong deformation rolling with heat treatment structure regulation and control, superfine crystallization and nano precipitated phase reinforcement of the alloy structure are realized, and the nickel-based alloy ultra-thin plate prepared through thepreparation mode has super strength and good ductility and toughness. Compared with the prior art, the nickel-based alloy ultra-thin plate prepared through the preparation method in the invention is simple in alloy composition, high in performance of ratio and long in service life, the preparation method and production technology are simple, industrialization scale production can be achieved withcommon industrial equipment, production efficiency is high and industrial application prospects are broad.
Owner:SHANGHAI JIAO TONG UNIV +1

Crystallization method of cyclic adenosine monophosphate

The invention discloses a crystallization method of cyclic adenosine monophosphate. The crystallization method comprises the following steps: adding an organic solvent used as an anti-solvent into 10-400g/L of a cyclic adenosine sodium phosphate aqueous solution at pH of 7.0-9.0 under the condition of stirring, carrying out pumping filtration after crystallization is completely finished, washing crystals by the use of ethanol, and carrying out vacuum drying to obtain cyclic adenosine sodium phosphate crystals; dissolving the above cyclic adenosine sodium phosphate crystals in water to obtain a saturated solution of the cyclic adenosine sodium phosphate crystals, adjusting pH of the solution to 4.0-5.5 by the use of acid while stirring, carrying out crystal growing for 0.5-8h, adjusting pH to 1.0-2.5, carrying out pumping filtration after crystallization is completely finished, washing crystals by the use of ethanol, and carrying out vacuum drying to obtain cyclic adenosine monophosphate crystals. By the adoption of the method provided by the invention, quality of the final product is obviously improved, yield of the crystal product is stably raised, and granular size of the crystals can be controlled by changing crystallization stirring speed or temperature. The method provided by the invention is simple to operate, has good repeatability, and is suitable for industrial production of cyclic adenosine sodium phosphate.
Owner:NANJING UNIV OF TECH

Device and method for continuously producing high-adhesive-force aluminized film

The invention discloses a device and method for continuously producing a high-adhesive-force aluminized film, and belongs to the technical field of flexible packaging base material films. The device is composed of an unwinding roller (1), a tension roller (2), a sputtering chamber (3), a film coating chamber (4), a winding roller (5), auxiliary water way, circuit and gas way systems and an auxiliary vacuum system. The method comprises the steps that uniform-speed film coating is carried out on a flexible base material under the drive of the unwinding roller (1) and the winding roller (5), the flexible base material is provided with a buffer layer in a sputtered and deposited mode when passing through the sputtering chamber (3), and the flexible base material with the buffer layer deposited is subjected to aluminum film deposition when passing through the film coating chamber (4). According to the device and the method, continuous operation can be achieved, the buffer layer sputtering process and the aluminizing process are completed in the same system, the flexible base material does not need to be taken out in the operation process, industrial continuous production is promoted, and the production efficiency can be greatly improved.
Owner:BEIJING INSTITUTE OF GRAPHIC COMMUNICATION

Manufacturing of high-transmittance flexible electrochromic film

Provided is manufacturing of a high-transmittance flexible electrochromic film. A structure comprises at least a layer of flexible transparent conductive film, at least a layer of flexible electrochromic layer conducting film, at least a layer of flexible solid electrolyte film. The manufacturing is characterized in that the flexible solid electrolyte film uses a high-molecular polymer as a carrier, an inorganic lithium compound is dissolved in a polycarbonate solution and the solution is used as an electrolyte ionic solution, and an assistant is added in certain proportion, and the assistantis dissolved by an organic solvent, an evenly dissolved electrolyte slurry forms an all-solid-state high-transparent electrolyte film through a cast film machine in high temperature, then a vacuum automatic laminating machine is used to package multilayer materials in sequence, to obtain the high-transmittance electrochromic film. A problem of large-area display is solved, and a key problem of manufacturing of a flexible electrochromic device is also solved, and a problem of electrochromic glass is overcome, and industrialized production efficiency is greatly improved. In addition, the flexible electrolyte film has good application prospect in fields of flexible battery, energy storage, intelligent wearing, and flexible display.
Owner:SHANGHAI DONGZHOU IND

A method of manufacturing a monovalent ion selective cation exchange membrane

A method of manufacturing a monovalent ion selective cation exchange membrane is disclosed. The method includes a step 1) of unwinding a polystyrene-polyethylene series cation exchange membrane dry roll at a constant temperature, spraying one surface of the roll with a pre-polymerization liquid containing a functional monomer, a crosslinking agent and an initiator, laminating the roll with polyester protective membranes at intervals, tightly compressing, and then rolling to obtain a coated cation membrane roll one surface of which is coated with the pre-polymerization liquid; a step 2) of heating the coated cation membrane roll in the step 1) in a constant-temperature oven, initiating polymerization, taking the coated cation membrane roll out, peeling the polyester protective membranes off, and rolling with a polypropylene separating screen in a loose and interval manner to obtain a screen-separated cation membrane roll; and a step 3) of submerging the screen-separated cation membrane roll in the step 2) into an aqueous solution of trimethylamine to perform a quaternization reaction, washing a product, then peeling the polypropylene separating screen off, and separately rolling a wet membrane, and then the monovalent ion selective cation exchange membrane is obtained.
Owner:QUZHOU LANRAN NEW MATERIAL CO LTD

Method for preparing catalyst-supported composite nano-fiber non-woven fabric

The invention relates to a method for preparing a catalyst-supported composite nano-fiber non-woven fabric. The method comprises the following steps: adding a solvent into a PMIA (Polyisophthaloyl Metaphenylene Diamine) solution for diluting, and removing bubbles to obtain a PMIA spinning solution; adding a micro/nano level denitration catalyst into a volatile solvent, and performing ultrasonic dispersion to obtain catalyst particle dispersion; injecting the PMIA spinning solution into a jet spinning device, injecting the catalyst particle dispersion into a spraying device, synchronously performing jet spinning on the PMIA spinning solution and spraying on the catalyst particle dispersion, and performing vacuum drying, thereby obtaining the product. The method disclosed by the invention issimple in process procedures and favorable for continuous industrial production. According to the method disclosed by the invention, catalyst particles are firmly sealed inside the nano-fiber non-woven fabric and can be used for a long time; and moreover, the composite nano-fiber non-woven fabric has high breathability, the utilization rate of the catalyst is greatly improved, and high precisionfiltration and synchronous denitration of coal-fired flue gas can be realized.
Owner:DONGHUA UNIV

Copper-aluminum composite plate strip with added nickel grid layer and continuous production method thereof

The invention discloses a copper-aluminum composite plate strip with an added nickel grid layer and a continuous production method thereof. The copper-aluminum composite plate strip is characterized by comprising three layers of metal; the two outer layers are a copper substrate and an aluminum covering material correspondingly; and the middle layer is the nickel grid layer arranged on the surfaceof the copper substrate in an electroplated mode. The production method comprises the steps that the nickel grid layer of the corresponding thickness is electroplated on the surface of the copper substrate firstly; then the copper substrate with the nickel grid layer and the aluminum covering material are put into a composite rolling mill simultaneously, and compounding is completed through a single pass of large deformation; and then the composite plate strip is put into an online annealing furnace, heat treatment is conducted, and the copper-aluminum composite plate strip with high composite strength and good surface quality is obtained. The copper-aluminum composite plate strip has the outstanding advantages such as low cost, good mechanical properties and high bonding strength and iswidely applied to power electronics, automobiles, communication and other technical fields.
Owner:长沙博朗思达新材料科技有限公司
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