227results about How to "Suitable for large-scale production" patented technology

The invention provides a nicotine releasing agent for buccal cigarettes and a preparation method and application of the nicotine releasing agent, and belongs to the technical field of tobaccos. The nicotine releasing agent for the buccal cigarette comprises cyclodextrin nanometer sponge with a three-dimensional porous nanometer structure and nicotine salt embedded and / or adsorbed and loaded on the cyclodextrin nanometer sponge, and cyclodextrin / cyclodextrin derivatives and a covalent cross-linking agent are subjected to a cross-linking reaction to form the cyclodextrin nanometer sponge.

This invention relates to the field of pesticide technology, specifically to a fungicidal composition, its preparation method, and its uses. The invention provides a fungicidal composition comprising an active ingredient, a first functional component, a second functional component, and an adjuvant; the active ingredient comprises fluthiazopyrone and cyazofamid; the first functional component comprises at least one selected from silica, titanium dioxide, and zinc oxide; the second functional component comprises at least one selected from citric acid, acetic acid, benzoic acid, urea, and triethanolamine. By introducing specific first and second functional components, this invention synergistically works with the active ingredient, effectively overcoming the key defects of fluthiazopyrone's easy photodegradation and cyazofamid's easy hydrolysis, thus improving the stability of the compound formulation; while ensuring the excellent control efficacy and resistance management advantages of both against oomycete diseases such as grape downy mildew, it extends the duration of action and weather resistance of the agent, providing a more stable, efficient, and long-lasting solution for field application.

This invention belongs to the field of functional substance research, specifically relating to the use of casein hydrolyzed peptide compositions in improving aging, and more specifically to their use in the preparation of products for improving aging. The casein hydrolyzed peptide compositions are obtained by enzymatically hydrolyzing casein solution using serine protease and flavor protease. Furthermore, in the casein hydrolyzed peptide compositions, the relative strength of total functional peptides is above 25%, the relative strength of casein phosphopeptides is above 9%, and the relative strength of functional peptides other than casein phosphopeptides is above 11%. This casein hydrolyzed peptide composition can effectively alleviate oxidative stress caused by aging, inhibit chronic low-grade inflammation, reduce aging-related damage to vital organs such as the liver and brain, improve the body's immune function, and improve the external phenotype of aging, thereby comprehensively exerting an anti-aging effect.

The utility model relates to the technical field of fresh flower packaging equipment, in particular to a bundling and stem cutting device for fresh flower packaging. The bundling and stem cutting device for fresh flower packaging comprises a rack, a bundling bottom plate is installed on the rack, an adhesive tape pulling assembly, a nail pressing assembly and an adhesive tape assembly are arranged above the bundling bottom plate, a stem cutting assembly is arranged below the bundling bottom plate, and the adhesive tape pulling assembly and the adhesive tape assembly are located on the two sides of the nail pressing assembly; the adhesive tape assembly is sequentially provided with an adhesive tape pre-tightening assembly, an adhesive tape tensioning assembly and an adhesive tape front clamping assembly along an adhesive tape advancing route, an adhesive tape connecting assembly is arranged on the outer side of the adhesive tape front clamping assembly, an adhesive tape shrinking assembly facilitating nail pressing is arranged on the outer side of the adhesive tape connecting assembly, and an adhesive tape cutter assembly for cutting off an adhesive tape is arranged at the nail pressing position of the nail pressing assembly. The fresh flower packaging machine is simple in structure, full-automatic integration is achieved, bundling and stem cutting are integrally designed, the fresh flower packaging efficiency is remarkably improved, and the labor cost is reduced.

The invention discloses a method for preparing phenyl acetate with high selectivity. A phosphoric acid solution is added into a magnesium chloride solution, stirring and heating are performed to obtain a suspension, the suspension is dried to constant weight to obtain a white solid, the white solid is ground to obtain powder, and the powder is calcined to obtain the catalyst. Then mixing phenol and a catalyst, placing the mixture in an oil bath for reflux reaction, dropwise adding acetic anhydride, distilling after the reaction is finished, and collecting a fraction at 190-195 DEG C, namely phenyl acetate. According to the magnesium chloride loaded phosphoric acid type catalyst (MgCl2-H3PO4) prepared by the method disclosed by the invention, phenol and acetic anhydride react without a solvent, MgCl2-H3PO4 is a solid catalyst, can be recycled only by filtering and can be repeatedly used after being washed, and MgCl2-H3PO4 also improves the selectivity of phenyl acetate and reduces the production cost.

The present invention discloses a controlled-release type polymeric ferric sulfate water treatment agent and its preparation method, belonging to the technical field of water treatment functional materials. The water treatment agent consists of polymeric ferric sulfate, an iron ion color indicator, a gel matrix, a cross-linking calcium agent, amino diatomaceous earth, a pore-forming agent and an inert filler. The preparation method includes: first preparing a network gel, then preparing soft materials, and finally obtaining the product through pill-making and drying. The present invention realizes the slow release and controllability of polymeric ferric sulfate, and the color indicator can directly reflect the consumption state of polymeric ferric sulfate, facilitating storage, transportation, dosing and recovery.

The present application relates to a kind of high activity Matcha yoghurt and its low-temperature microwave preparation method, belong to food processing technical field.The present application uses organic raw cow milk, Matcha powder, white granulated sugar, corn starch etc.as raw material, using the combination process of adding Matcha before fermentation, low-temperature pre-solution dispersion, microwave low-temperature sterilization, replace traditional high-temperature mixing and high-temperature sterilization, solve the existing Matcha yoghurt chlorophyll browning, tea polyphenol degradation, tea aroma loss, water retention decreases, lactic acid bacteria activity low etc.Problems.The optimal formula of the present application: Matcha powder 10g / 1000mL milk;Using 60~65 ℃ low-temperature dissolution avoids powder agglomeration;Using 40~60 ℃ microwave low-temperature sterilization maximizes to retain heat-sensitive ingredients;Add before fermentation to promote lactic acid bacteria proliferation.The yoghurt prepared has uniform green color, rich tea aroma, delicate and smooth taste, high tea polyphenol retention rate, lactic acid bacteria viable count can reach 8.85×10 8 CFU / mL, water retention ≥80%, sensory score ≥90 points.The process of the present application is simple, and can be industrialized production, suitable for high-quality functional Matcha yoghurt development.

This invention discloses a modification method for nanocrystalline magnetic core encapsulation materials. The method includes: S1: surface functionalization modification of nano-silica and boron nitride nanosheets by grafting amino and epoxy groups, respectively; S2: blending and dispersing the modified inorganic nanofiller with low-viscosity bisphenol A type epoxy resin, flexible epoxy resin diluent, latent curing agent, and coupling agent under high shear force to form a uniform and stable modified epoxy resin composition; S3: plasma cleaning and activation treatment of the nanocrystalline magnetic core; S4: encapsulating the modified epoxy resin composition on the surface of the magnetic core using a vacuum pressure impregnation process, followed by programmed temperature curing. This invention significantly improves the mechanical strength, thermal conductivity, and heat resistance of the encapsulation layer and reduces the high-frequency dielectric constant and loss by constructing an organic-inorganic interpenetrating network and interface reinforcement.

The invention provides a traditional Chinese medicine additive for improving the survival rate of piglets and a preparation method and application thereof, and belongs to the technical field of feed additives. The traditional Chinese medicine additive provided by the invention is Qibai tonifying powder and comprises the following raw materials in parts by weight: 20-30 parts of radix astragali, 15-25 parts of rhizoma atractylodis macrocephalae, 10-20 parts of pericarpium citri reticulatae, 10-15 parts of radix saposhnikoviae, 15-25 parts of folium cortex eucommiae, 10-15 parts of malt, 10-15 parts of cortex magnoliae officinalis, 5-10 parts of poria cocos, 5-10 parts of rhizoma dioscoreae and 5-10 parts of folium perillae. The Qibai tonifying powder provided by the invention improves the immunity of piglet organisms, promotes digestion and absorption, enhances the anti-stress ability of piglets and reduces piglet diarrhea through the synergistic effect of invigorating spleen and tonifying qi, strengthening superficies and resisting evil and strengthening tendons and bones, thereby achieving the purpose of increasing the survival rate of piglets.

This invention discloses a ROS-responsive Trichoderma-derived composite nanoparticle in the field of plant biocontrol, its preparation method, and its application in controlling tomato gray mold. The aqueous solution of the nanoparticles contains: mesoporous silica (MSN), 6-pentyl-2H-pyran-2-one (6PP), and the plant-responsive protein Epl1. The aqueous solution of the nanoparticles uses the main metabolites of Trichoderma, 6PP and Epl1, as its core. Both 6PP and Epl1 have dual functions of broad-spectrum fungicidal activity and inducing plant immunity. MSN is synthesized using the Stöber method and modified with an S-containing backbone and surface amino groups, providing protection, slow release, and precise delivery of 6PP and Epl1. The 6PP in the aqueous solution of the nanoparticles can be rapidly released in response to low pH and high ROS conditions. The carrier works synergistically with the two components, significantly improving the induction of resistance and direct fungicidal effects on tomato plants and fruits compared to single-component methods. It is particularly suitable for foliar fungal diseases of vegetable crops in the field and has high practical value for widespread field application.

High-performance P(VDF-TrFE) based composite film and preparation method thereof, and nanogenerator containing the composite film, the present application relates to piezoelectric composite material technical field, specifically relates to a kind of P(VDF-TrFE) / ZnO / CMWCNTs composite film and preparation method thereof, and piezoelectricity / friction electricity nanogenerator containing the composite film;The composite film is P(VDF-TrFE) / ZnO / CMWCNTs composite film, with P(VDF-TrFE) copolymer mass as benchmark, the addition amount of each component is as follows: P(VDF-TrFE) copolymer: TrFE molar content is 30%;ZnO nanoparticles: mass fraction is 0.36~1.80%;CMWCNTs: mass fraction is 0.01~0.03%;Overcome the technical defects, such as filler ratio out of control in existing P(VDF-TrFE) composite system, process parameter is not clear, piezoelectric property is low, and the output performance of nanogenerator based on it is poor, and stability is insufficient.

This invention relates to a layer-by-layer composite electrochromic thin film of Mo-WO3 and Bi-WO3 and its preparation method. The method includes: dissolving tungstic acid in hydrogen peroxide solution to obtain a peroxytungstic acid solution; adding a Bi-containing substance to the peroxytungstic acid solution and heating until the Bi-containing substance is completely dissolved to obtain a bismuth-doped peroxytungstic acid sol; adding a Mo-containing substance to the peroxytungstic acid solution and heating until the Mo-containing substance is completely dissolved to obtain a molybdenum-doped peroxytungstic acid sol; spin-coating the bismuth-doped peroxytungstic acid sol onto a conductive glass substrate and calcining to obtain a bismuth-doped WO3 thin film; and spin-coating the molybdenum-doped peroxytungstic acid sol onto the bismuth-doped WO3 thin film and calcining to obtain a Mo-WO3 / Bi-WO3 thin film. This invention employs a layer-by-layer composite structure design. The Bi-WO3 bottom layer significantly enhances the film-substrate adhesion and improves cycle stability; the Mo-WO3 surface layer ensures high optical modulation rate, fast response, and memory effect, achieving a synergistic performance improvement.

The invention discloses a graded regulation and control electrolyte for improving the low-temperature performance of a lithium iron phosphate-based lithium ion battery and a preparation method of the graded regulation and control electrolyte, and belongs to the technical field of lithium ion batteries. The electrolyte is prepared from the following components in percentage by mass: 70 to 90 percent of solvent system, 10 to 25 percent of lithium salt and 0.5 to 2 percent of functional additive, a solvent system comprises fluoroethylene carbonate as an inner shell layer, low-melting-point carboxylic ester as a middle layer and a mixture of two chain carbonates as a base layer. According to the electrolyte, the capacity retention ratio of the LFP battery at-30 DEG C is remarkably improved, the polarization voltage is reduced, the cycling stability is improved through graded regulation and control of a solvation structure, and the electrolyte is simple in preparation process and suitable for large-scale production.

This invention discloses a method for synthesizing potassium 4-methoxysalicylate based on supramolecular-assisted methylation, belonging to the field of organic synthesis technology. The process is based on supramolecular chemistry principles and includes the following steps: (1) Preparation of a macrocyclic host molecule-methylating agent complex loaded with a methylating agent: The macrocyclic host molecule and the methylating agent are reacted at pH 7-9 and 25-40℃ to form a complex solution; (2) One-pot preparation of the target product: 2,4-dihydroxybenzoic acid is salted with potassium hydroxide, potassium carbonate is added, and the above complex solution is added dropwise. A selective methylation reaction is carried out at 55-65℃. After the reaction is complete, post-treatment yields the product. This invention utilizes the molecular recognition function of the macrocyclic host to achieve highly selective methylation of the 4-hydroxyl group under mild conditions. This process has the advantages of simple operation, high safety, low waste, and recyclable host molecules. The yield of potassium 4-methoxysalicylate can reach over 85%, and the purity exceeds 99.0%.

This invention belongs to the field of biomedical materials technology, specifically relating to an oxidized hyaluronic acid / carboxymethyl chitosan hemostatic sponge and its preparation method. The preparation method includes: oxidizing hyaluronic acid with sodium periodate to obtain oxidized hyaluronic acid; preparing aqueous solutions of oxidized hyaluronic acid and carboxymethyl chitosan; mixing the two solutions and forming a hydrogel through a Schiff base reaction between aldehyde and amino groups; cryogelatinizing the hydrogel at low temperature and then freeze-drying it under vacuum to obtain an expandable hemostatic sponge with a three-dimensional interconnected porous structure. Upon contact with blood, the sponge of this invention rapidly absorbs water and expands, increasing in volume by more than three times, forming a tight physical seal. Simultaneously, it adsorbs and activates platelets to accelerate coagulation, achieving highly efficient hemostasis. This sponge exhibits excellent biocompatibility, is completely degradable in vivo, and the preparation process is mild and requires no toxic cross-linking agents. It can be used for rapid hemostasis of deep, irregular, and non-compressible bleeding wounds.

The invention provides a culture medium for lactic acid bacteria after-generation and application, the culture medium takes trehalose as a carbon source and a yeast extract as a nitrogen source, so that the growth biomass of lactobacillus plantarum, lactobacillus casei and lactobacillus pentosus can be remarkably increased, the pH is reduced, and the antibacterial ability is improved. Lactobacillus plantarum, lactobacillus casei and lactobacillus pentosus are prepared through the culture medium for the lactobacillus after-generation, so that the lactobacillus after-generation has a good inhibition effect on main food-borne pathogenic bacteria such as escherichia coli, staphylococcus aureus, salmonella, pseudomonas aeruginosa and listeria monocytogenes; the preservative can be widely applied to preservation and preservation of meat products such as chilled chicken and pork. The preparation method of the lactic acid bacteria metagen is simple, convenient, low in cost, natural, safe and suitable for large-scale production.

This invention belongs to the field of supercapacitor technology, specifically relating to a molybdenum oxide-molybdenum disulfide@polytannic acid electrode material, its preparation method, and its applications. Using molybdenum foil as the current collector and electrode, this invention prepares a molybdenum oxide-molybdenum disulfide electrode using electrochemical oxidation and hydrothermal methods. A polytannic acid coating is deposited on its surface to prepare a biodegradable molybdenum oxide-molybdenum disulfide@polytannic acid electrode. This electrode is then sandwiched with a biodegradable gel electrolyte and encapsulated with a biodegradable encapsulation material to construct a biodegradable supercapacitor with self-discharge suppression capabilities. By depositing a polytannic acid coating on the surface of the supercapacitor electrode, its self-discharge behavior is suppressed. The polytannic acid coating can prevent parasitic Faraday reactions of impurity ions on the electrode surface and prevent charge transfer, thereby suppressing the capacitor's self-discharge behavior. Simultaneously, the electrode, electrolyte, and encapsulation material can all degrade in simulated body fluids, potentially opening up applications in implantable medical electronic devices.

This utility model discloses a novel submersible motor upper seat structure for wells, including a motor upper seat with an oil chamber and a bearing chamber inside. A mechanical seal chamber is located above the bearing chamber for installing the mechanical seal. The oil chamber and the mechanical seal chamber are connected by a slot. Positioning holes are evenly distributed along the circumference of the side of the motor upper seat, with the positioning holes positioned higher than the highest point of the oil chamber, and the highest point of the mechanical seal chamber higher than the oil chamber. This utility model modifies the positional relationship between the oil chamber, the mechanical seal chamber, and the positioning holes, reducing quality risks in casting and machining, improving product quality and production efficiency; it increases oil saturation, completing oil injection in one step, significantly saving labor costs; the upper seat is made of hard-anodized aluminum alloy, which has low cutting resistance, is easy to machine, causes less tool wear, is less prone to corrosion, has minimal impact on the appearance of the electric pump, and has a cost similar to that of gray cast iron upper seats. Aluminum alloy is lightweight, reducing transportation and assembly costs, and has good thermal conductivity, which can lower the temperature of the motor during operation.

The invention discloses a super-soft and high-bulkiness melt-blown warm-keeping flocculus which is prepared from composite melt-blown fibers through airflow drafting, layered net forming and low-temperature shaping, and the composite melt-blown fibers comprise the following raw material components in percentage by weight: 10-15% of modified polylactic acid elastomer, 10-20% of polyester staple fiber, 10-20% of polyester staple fiber, 10-20% of polyester staple fiber, 10-20% of polyester fiber, 10-20% of polyester fiber, 10-20% of polyester fiber, 10-20% of polyester fiber, 10-20% of polyester fiber the content of the polypropylene melt-blown fiber is 65%-75%, the antistatic modifier is 1%-3%, and the softening agent is 0.5%-2%. The invention also discloses a preparation method of the melt-blown warm-keeping flocculus, the production process is simple, the raw materials in the formula are easy to obtain, and the production efficiency is high; the prepared warm-keeping flocculus is more excellent in warm-keeping performance, and compared with traditional warm-keeping materials such as down feather, cotton and cotton-like chemical fibers, the warm-keeping flocculus has the low-carbon and environment-friendly excellent comprehensive performance such as good compression resilience, water resistance, moisture absorption resistance, no caking after water washing, no reduction of the warm-keeping effect after outdoor water spraying and the like, and has a very wide application prospect.

The invention discloses leek harvesting and hotbed chive cultivation integrated equipment. The equipment comprises an advancing device, and a bionic cutting device, a sleeve conveying device, a flexible conveying device and a sleeve placing and stably holding device which are integrated on the advancing device. The bionic cutting device achieves bionic linkage of clamping, lifting and cutting through a single driving piece and a gear transmission mechanism, harvesting damage is effectively reduced, the sleeve conveying device is provided with a rotatable baffle mechanism, double-channel conveying blockage is prevented, the sleeve placing and stabilizing device adopts a double-groove cam separation mechanism and a clamping jaw type stabilizing mechanism, and the cutting efficiency is improved. And stable separation and placement of the sleeve are realized. The equipment can automatically identify the position and crop rotation of Chinese chives through integrating visual identification and a main control system, cooperatively controls each module to complete the whole-process integrated continuous operation from identification, harvesting, conveying to sun-shading sleeve placement, and has the advantages of high automation degree of operation, small crop damage, stable and reliable sleeve placement and suitability for large-scale continuous production.

The application provides an adenosine co-crystal and a preparation method and application thereof, and belongs to the technical field of biological medicines.The adenosine co-crystal is formed by adenosine and ikar or nicotinamide according to a molar ratio of 1:0.2-16.9, and overcomes the problem of poor bioavailability of adenosine in the prior art.The adenosine co-crystal provided by the application has a significantly higher solubility compared with adenosine, can improve the blood drug concentration in vivo as a medicine to further play a more effective therapeutic role, can avoid the influence of the hydrophobicity of the stratum corneum to further improve the skin permeability of the product as a skin care product or a cosmetic product, and can improve the solubility of the effective component in the product to better play a hair growth effect as a hair growth product, and has wide application potential.The preparation method of the co-crystal has simple steps, high efficiency, low cost, and the advantages of being suitable for large-scale production.

This invention discloses a warm isostatic pressing (WIP) densification process for solid-state batteries. This invention relates to the field of solid-state battery manufacturing technology and aims to solve the problem of uneven stress and cracking of thin electrolyte membranes caused by existing isostatic pressing processes. The method involves aligning and bonding the negative electrode sheet with a solid electrolyte membrane containing a substrate, followed by cold isostatic pressing pre-pressing. The substrate is then removed, and the positive electrode sheet is bonded to complete cell assembly. The cell is placed in a perforated fixture and a flexible sheath, vacuum-sealed, and then sent into the warm isostatic pressing chamber. A pressure-transmitting medium is injected, and the temperature is programmed to reach the target process temperature, followed by pressurization to the target process pressure. Based on the material system of the solid electrolyte membrane, pressure and temperature are maintained at the corresponding temperature and pressure. Controllable pressure release is performed at a rate slower than the pressurization rate, while simultaneously cooling to below the set temperature. This method improves the manufacturing yield, interface densification, and consistency of the cell through step-by-step pre-pressing and programmed temperature and pressure control.

The application provides a positive electrode active material, a preparation method of the positive electrode active material and a potassium ion battery, and relates to the field of secondary batteries. The positive electrode active material comprises a core and a carbon layer covering the core, and the chemical formula of the core is K 3+x V 3‑x Ni x (PO4)4, 0.05<=x<=0.5. In the application, Ni 2+ is doped in the KVP material, so that the structural stability and the electrochemical performance of the positive electrode active material are effectively improved. Specifically, by doping Ni 2+ , the product purity and the crystalline integrity of the positive electrode active material are significantly improved, the structural stability of the product is enhanced, and the problems of low product purity and many impurities in the existing preparation method are solved. Moreover, the reaction kinetics and the cycle performance of the positive electrode active material are synergistically optimized.

The utility model discloses an automatic prickly pear slicer belongs to agricultural product processing equipment technical field. It includes frame, installation platform and the first chain that sets up around installation platform, and the first chain is evenly distributed and puts material seat, and puts material seat in proper order through the material station, and the head cutting slice station and the blanking station. The material groove is formed to the material seat through the "V" shaped clamping plate and the supporting plate, and the material groove opening and closing are controlled through the guide tip portion of first straight board and second straight board, realize automatic feeding and unloading. The head cutting slice station sets up the movable table of linear motion tracking module drive, is equipped with the head cutting mechanism and the slice knife on movable table, and the head is cut to the oblique insertion knife rotation through the lifting cylinder and the oblique insertion cylinder drive needle rod puncture, and the slice knife is driven to complete the slicing through the cutter cylinder. The utility model has solved the problem of the flesh waste, the slice uneven, the low efficiency and the high cost of traditional manual head cutting slice existence, has realized prickly pear processing's automation, high efficiency and slice homogenization, is applicable to the large -scale production.

The present application relates to the technical field of sanitary products, and particularly relates to a biodegradable nursing pad and a preparation process thereof. The nursing pad comprises a skin-friendly top layer, a composite core absorption layer and a gas-impermeable bottom layer from top to bottom. The composite core absorption layer comprises a gel-embedded skeleton composed of an air-laid wood pulp fiber web and a composite antibacterial hydrogel in-situ cross-linked and embedded in the pores of the web, and a fluff pulp fiber layer fixed to at least one surface of the skeleton. The composite antibacterial hydrogel comprises hydrophilic reinforcing fibers modified by a silane coupling agent with a hydrophilic group, a sodium alginate matrix and zinc ions. The nursing pad prepared by the present application has excellent rapid absorption, high antibacterial efficiency and high biodegradability, and solves the problem that traditional products are difficult to have both performance and environmental protection.

This invention relates to the field of battery technology, and in particular to a lithium-ion battery anode, its preparation method, and a lithium-ion battery. The invention provides a method for preparing a lithium-ion battery anode, comprising the following steps: stacking a first composite layer and a second composite layer with the surface of an intermediate metal layer in contact with the surface of a lithium metal layer, and then pressing them to obtain a lithium-ion battery anode; wherein the first composite layer comprises a silicon-based anode layer and an intermediate metal layer; and the second composite layer comprises a lithium metal layer and a conductive substrate. The method for preparing the lithium-ion battery anode of this invention solves the problems of volume expansion of silicon anodes, dendrite growth of lithium metal anodes, and poor process safety when simply combining silicon anodes with lithium metal.

This invention discloses a *Cinnamomum camphora* sugarcane juice beverage and its preparation method, belonging to the field of food and beverage technology. The beverage uses *Cinnamomum camphora* extract and sugarcane juice as the main ingredients, combined with *Siraitia grosvenorii* extract, dried tangerine peel, and licorice to balance its warming and cooling properties and flavor, and supplemented with vitamin C, citric acid, stabilizers, etc. This invention achieves a balance of warming and cooling properties through traditional Chinese medicine formulations, solving the problem of traditional formulas being too cooling and damaging to the spleen and stomach. It has a sweet taste, rich sugarcane aroma, and no bitterness, and is naturally free of added sucrose, making it suitable for long-term consumption by various groups. The preparation process includes pretreatment, water extraction, blending, homogenization, degassing, sterilization, and aseptic filling, ensuring stability and controllability, and is suitable for industrial production.

The application provides application of a nitrogen-doped carbon-based iron monatomic catalyst in degradation of ADC drugs in wastewater, and belongs to the technical field of advanced oxidation water treatment. The nitrogen-doped carbon-based iron monatomic catalyst with a two-dimensional wrinkled ultrathin morphology is prepared by a nano-magnesium oxide template assisted method. In application, the catalyst is dispersed in wastewater containing ADC drugs, stirred and adsorbed to adsorption equilibrium, then a proportion of persulfate is added, and reaction is carried out under the condition that pH is 3-9, so that efficient degradation of the ADC drugs is realized. The application has the advantages of high degradation efficiency, fast reaction speed, wide pH adaptation range, strong anion interference resistance, good broad-spectrum property, good catalyst stability and the like, and actual wastewater toxicity evaluation proves that the application has good detoxification capacity, and has wide application prospect in the field of treatment of refractory organic wastewater such as pharmaceutical wastewater and hospital wastewater.

The invention discloses a preparation method of a carbon dioxide hydrogenation reaction catalyst. The preparation method of the oxygen carrier comprises the following steps: placing one or more of particles manually loaded with a copper element or natural ore particles and blank alumina pellets in a fluidized bed reactor according to a ratio, introducing methane gas, and jointly fluidizing at 600 DEG C for 2 hours; and after the reaction is finished and cooling, introducing nitrogen, and adjusting the gas speed until particles are layered to obtain the product catalyst. According to the method, inert particles which are originally wasted in the chemical looping combustion industry can become core components for preparing the catalyst, a special carrier does not need to be additionally purchased, the raw material cost of the catalyst is remarkably reduced, active elements on the surfaces of the prepared particles are uniformly loaded, the wear rate is smaller than 0.2% / h, and the method is a catalyst preparation method oriented to industrial application.