453 results about "Sodium citrate" patented technology

The invention belongs to the technical field of SERS (Surface Enhanced Raman Scattering) detection, and particularly relates to a preparation method and application of an Ag-coated NiFe2O4 composite SERS substrate. The preparation method comprises the following steps: firstly, preparing Ag nanoparticles which are uniformly distributed and have the same size through a sodium citrate reduction method; secondly, a nanometer flower type NiFe2O4 material is prepared through a hydrothermal method and a calcination method; and finally, the novel SERS substrate Ag-coated NiFe2O4 is prepared through a physical stirring method. The novel SERS substrate made of the Ag nano particles and the nano-flower type NiFe2O4 material is constructed, and compared with a conventional SERS substrate made of independent Ag nano particles, the SERS substrate can detect stronger intrinsic Raman signals of probe molecules. As the SERS substrate needs to be compounded with a nano-flower type NiFe2O4 material during preparation, a charge transfer phenomenon can occur at an interface where the SERS substrate is in contact with probe molecules, so that intrinsic Raman signals of the probe molecules can be enhanced, and the SERS substrate can be better used for detecting and analyzing chemical substances.

The invention belongs to the field of fermentation, and particularly relates to a complex microbial inoculant, original cheese, processed cheese with a blood sugar reducing function and preparation and application of the complex microbial inoculant. Wherein the processed cheese is prepared by the method comprising the following steps: mixing the components including raw cheese, sugarcane juice, corn oil, casein, concentrated milk protein, blueberry powder, mono / diglycerol fatty acid ester, sodium citrate, sodium tripolyphosphate, sodium hexametaphosphate, salt guar gum, potassium sorbate and water, and then emulsifying to obtain the processed cheese, the sugar cane juice, the corn oil, the casein, the concentrated milk protein, the blueberry powder, the mono / diglycerol fatty acid ester, the sodium citrate, the sodium tripolyphosphate, the sodium hexametaphosphate, the salt guar gum, the potassium sorbate and the water, the original cheese is prepared from a complex microbial inoculant, and the complex microbial inoculant comprises lactococcus lactis bacterial powder, lactococcus lactis subsp. Lactis bacterial powder, lactobacillus delbrueckii subsp. Lactis bacterial powder, lactobacillus plantarum bacterial powder and lactobacillus paracasei bacterial powder. The processed cheese provided by the invention has a better function of controlling blood sugar, and meanwhile, the processed cheese is fine and uniform in texture and has good smearing performance.

The invention discloses a core-shell structure nano calcium carbonate antibacterial composite powder and a preparation method thereof.The preparation method comprises the steps that firstly, the surface of nano calcium carbonate is coated with a layer of amorphous TiO2 to form a CaCO3 at-TiO2 core-shell structure, then CaCO3 at-TiO2 reacts with 3-isocyanate propyl trimethoxy silane to generate a Ti-O-Si chemical bond on the surface of the CaCO3 at-TiO2 core-shell structure, and the core-shell structure nano calcium carbonate antibacterial composite powder is obtained; finally, Ag < + > is adsorbed to the surface of CaCO3 (at) TiO2 under the electrostatic action of Si-OH and is reduced into nano silver under the action of sodium citrate, and the CaCO3 (at) TiO2 (at) Ag core-shell structure antibacterial composite powder which is uniform in coating and good in dispersity is formed. The core-shell structure antibacterial composite powder disclosed by the invention shows excellent antibacterial performance in an antibacterial test on escherichia coli and staphylococcus aureus. The method provided by the invention provides a new research thought for preparation of a nano calcium carbonate core-shell structure and a nano silver antibacterial agent.

The invention discloses a preparation method of a slow-release solid preservative, and relates to the field of fruit preservation, and the preservative is prepared from the following raw materials in parts by weight: 5-8 parts of chitosan, 2-4 parts of carrageenan, 1-5 parts of sodium citrate, 2-3 parts of silicon dioxide, 3-4 parts of 1-methylcyclopropene, 2-3 parts of chlorine dioxide, 1-2 parts of water and 3-6 parts of baking soda. The preservation method of the slow-release solid preservative comprises the following steps: loading the solid preservative in a non-woven bag, placing the non-woven bag in a foam box or a packaging bag loaded with fruits, and sealing the foam box or the packaging bag. The baking soda in the preservative releases carbon dioxide, 1-methylcyclopropene and chlorine dioxide, and meanwhile, the physiological metabolism of the fruits and the generation of ethylene are effectively inhibited, and pathogenic bacteria are killed, so that the shelf life of the fruits is prolonged.

The present application relates to the technical field of daily chemical products, and specifically discloses a shampoo for improving scalp sensitivity, soothing and repairing, and a preparation method thereof. A shampoo for improving scalp sensitivity, soothing and repairing, the raw materials of the shampoo include sodium laureth sulfate, guar hydroxypropyltrimethylammonium chloride, polyquaternium-47, cocamide MEA, sodium citrate, citric acid, sodium chloride, glycyrrhizic acid and its derivatives, salicylic acid and its derivatives, cocamidopropyl betaine, styrene acrylate copolymer, polydimethylsiloxane, bis-aminopropyl polydimethylsiloxane, hydroxypropyltrimethylammonium chloride hydrolyzed collagen, gliadin, hydrolyzed keratin, and plant-derived ingredients that can help improve scalp sensitivity, and the balance is deionized water.

The present invention "integrated POCT test kit, test tube and test system for detecting 15 diarrhea pathogens" belongs to the field of biomedical testing. The test kit includes: fecal sample pretreatment reagents and pathogen detection reagents; the fecal sample pretreatment reagents include: 1~4M guanidine salt, 20~200mM sodium citrate, 1~10% SDS by volume, 2~10% polidocanol by volume, 25~50% isopropanol by volume, etc., 10~30mg / mL nanocarbon, 10~30mg / mL zeolite powder; pathogen detection reagents include system A, system B, system C, and system D reagents. The present invention also provides a test tube and a test system based on the test kit. The present invention can not only detect 15 pathogens at the same time, but also achieve the purpose of integrated POCT detection with good repeatability of test results, large test sample size, high sensitivity, good specificity, good test timeliness, and sample-in and result-out.

The invention provides a method for improving the efficiency of an anaerobic membrane bioreactor and relieving membrane pollution by pyrolytic carbon, in the starting stage of the anaerobic membrane bioreactor, a conductive material SC is added into the reactor for anaerobic digestion reaction, and the conductive material SC is a carbon material which is obtained by heating and pyrolyzing sodium citrate and has a honeycomb structure. According to the scheme, SC is used as a conductive carrier in the anaerobic membrane bioreactor, and the anaerobic digestion reaction is promoted by combining the synergistic effect of a magnetic stirring system and a gas circulating pump. Experimental results show that the conduction characteristic of SC can effectively promote electron transfer and enhance the metabolic activity of anaerobic microorganisms, so that the degradation capacity of pollutants is improved, membrane pollution is effectively slowed down, the service life of a membrane assembly is remarkably prolonged to 6 times of the original service life, and the yield of CH4 is increased to 1.39 times.

The invention discloses a high-strength low-immunoreaction bone bonding material and a preparation and application method thereof. The bone binding material comprises tetracalcium phosphate, serine phosphate, magnesium phosphate and a sodium citrate solution. According to the preparation method, tetracalcium phosphate, phosphoserine, magnesium phosphate powder and a sodium citrate solution are fully mixed and reacted by utilizing a hedging device consisting of a screw injector and a connecting pipe. And extruding the mixed liquid material through a filter membrane to complete the preparation of the bone adhesive material. The bone binding material can be used for preparing bionic sclerotin, binding broken bones in comminuted fractures or smearing the bone binding material to bone gaps, and in the decomposition process, the bone binding material can continuously release magnesium ions, so that the immune environment of early bone repair is regulated and controlled, the bone repair process is accelerated, and bone healing is promoted. Meanwhile, experimental data prove that the bone adhesive material provided by the invention can provide stable supporting strength, has no potential toxicity to fibroblasts, and is good in biocompatibility.

The invention discloses a method for preparing a sodium-rich boundary-rich iron-based prussian blue analogue (FePBA) through one-step hydrothermal synthesis assisted by sodium thiosulfate. The method specifically comprises the following steps: preparing a solution A and a Na4Fe (I I) (CN) 6 solution; the molar ratio of ferrocyanide to Fe ions in the solution B is 3: 4. And preparing a solution B to react with ferrocyanide to form FePBA. Adding sodium citrate to form a sodium and citrate-rich environment, then adding ferric iron salt, and fully stirring to chelate the added Fe < 3 + > with the citrate; and adding sodium thiosulfate after the step. Preparing a PVP (Polyvinyl Pyrrolidone) solution to play roles in dispersing FePBA and reducing agglomeration, and taking the PVP solution as a solution C; slowly dropwise adding the solution A and the solution B into the solution C at a constant speed by using a rubber head dropper to finally obtain a precursor solution, carrying out hydrothermal reaction for 6 hours at 110 DEG C, carrying out suction filtration on the obtained precipitate, and drying to obtain a FePBA sample. According to the invention, the time required for synthesis is greatly shortened, and the traditional coprecipitation of more than 24 hours is improved into rapid hydrothermal reaction of 6 hours.

The invention discloses a sugar-free electrolyte beverage and a preparation method thereof, and relates to the technical field of functional beverages. The sugar-free electrolyte beverage comprises the following components in parts by weight: 80-90 parts of erythritol, 0.5-2 parts of an electrolyte component, 0.4-0.8 part of a buffer agent, 0.1-0.2 part of vitamin B6, 0.1-0.5 part of taurine, 1-3 parts of an auxiliary agent and 1000-1200 parts of water, the electrolyte component comprises at least four of edible salt, potassium chloride, magnesium sulfate, calcium lactate and calcium citrate, the buffer agent comprises potassium dihydrogen phosphate and sodium citrate, and the auxiliary agent comprises sodium dihydrogen phosphate and sodium citrate. The auxiliaries comprise citric acid, sodium benzoate and essence. The sugar-free electrolyte beverage disclosed by the invention is high in blood osmotic pressure recovery speed, does not cause blood sugar fluctuation when supplementing electrolyte for a human body, and tastes fresh and cool.

The invention discloses a method for producing L-arginine through escherichia coli fermentation. The escherichia coli has the characteristics of high L-arginine yield and low heteroacid content. In the fermentation process, fed-batch sugar and sodium glutamate are adopted according to the thallus concentration OD600 and the fermentation period; the concentration of glutamic acid is controlled by feeding sodium glutamate or glutamic acid precursor sodium succinate and sodium citrate, the arginine acid production and sugar acid conversion rate is increased, the content of heteroacid is reduced, the final acid production can reach 13.9% at most, the sugar acid ratio is 57.2%, and the heteroacid content is not higher than 0.3%. The process solves the control difficulty in the industrial process of arginine, and has great commercial value.

The invention relates to an antibacterial and deodorant particle which comprises an active particle and a hydrophilic film wrapping the outer surface of the active particle. The active particles comprise the following raw material components in parts by weight: 15-20 parts of SEBS, 8-15 parts of silicon dioxide, 10-20 parts of sepiolite powder, 6-16 parts of an antibacterial agent, 2-5 parts of sodium stearate, 2-5 parts of sodium citrate, 5-10 parts of beta-cyclodextrin, 18-27 parts of an adhesive and 1-3 parts of an odor neutralizer; the hydrophilic film is formed by forming a hydrophilic material. According to the antibacterial and deodorant particles, SEBS serves as a hydrophobic elastic framework of active particles, and free diffusion of active ingredients in the particles is limited through hydrophobic entanglement of molecular chains; meanwhile, a hydrophilic material is used as an outer coating film, and the release rate of the active components is controlled by adjusting the interface action of the active particles and sewage, so that the antibacterial and adsorption deodorization active components in the antibacterial and deodorization particles are stably and slowly released; it is ensured that the efficient and long-acting antibacterial and deodorizing effect can be achieved for 14 days in complex water environments such as domestic sewage treatment.

The invention provides a dietary fiber anti-obesity and internal fat-reducing composition and a preparation method and application thereof, and the dietary fiber anti-obesity and internal fat-reducing composition comprises the following components in percentage by mass: a metabolic regulation formula which comprises 0.8-1.2% of mulberry leaf extract, 0.3-0.5% of potato extract, 0.2-0.4% of gamma-aminobutyric acid microcapsules and 4.0-6.0% of isomaltooligosacharide; the water management formula comprises 0.5 to 1.0 percent of opuntia ficus-indica powder and 0.2 to 0.4 percent of fructus gardeniae powder; the auxiliary regulation formula comprises the following components in percentage by weight: 2.0 to 4.0 percent of fructo-oligosaccharide, 0.05 to 0.15 percent of sucralose, 0.10 to 0.30 percent of xanthan gum and 0.05 to 0.15 percent of sodium citrate; and the nutrition fortification formula comprises 0.1-0.3% of taurine and 0.5-1.0% of a compound nutrition fortifier, and the compound nutrition fortifier contains vitamin B6 / B12, magnesium, iron and zinc. By constructing a fiber barrier-enzymolysis network-targeted metabolism three-in-one system, accurate reduction and control of visceral fat are achieved, fat oxidation combustion can be promoted, fat decomposition can be accelerated, fat accumulation can be reduced, and the method can be used for preparation of liquid beverages, preparation of powdery electuary and preparation of far infrared bagged powder solid beverages and has good application prospects. And the application scenarios are greatly increased.

The invention discloses a preparation method and a use method of bleeding inhibition microspheres for concrete. The preparation method of the bleeding inhibition microspheres for the concrete comprises the following steps: (1) performing ultrasonic dispersion on alkali-soluble polyester fibers, lauryl sodium sulfate and water to obtain a mixed solution A; (2) dissolving high-modulus sodium silicate in water, adding the steel slag micro powder, and uniformly stirring to form a turbid liquid B; (3) mixing the mixed solution A, the turbid liquid B and sodium alginate to form a mixed solution D; (4) reacting the mixed solution D with an excessive calcium nitrate solution, and filtering to obtain gel microspheres; (5) adding excessive sodium citrate solution into the gel microspheres, dissolving and filtering to obtain particles; and (6) reacting the particulate matters with a sodium hydroxide solution, and filtering to obtain the bleeding inhibition microspheres. When the bleeding inhibition microspheres are added into concrete, bleeding of the concrete can be obviously reduced, the fluidity and cohesiveness of a concrete mixture are improved, and the mechanical property and the volume stability of the concrete are improved.

The invention discloses a metal degreasing agent and a preparation method thereof, and belongs to the technical field of degreasing. Comprising lipase, protease, short-chain fatty acid methyl ester ethoxylate sodium sulfonate, cocamidopropyl betaine, alkyl glucoside, sodium silicate, sodium metasilicate, sodium citrate, disodium ethylene diamine tetraacetate, calcium formate, polyvinyl alcohol-sodium alginate microcapsules, a polyoxyethylene polyoxypropylene block copolymer, sodium carboxymethyl cellulose and water. And the polyvinyl alcohol-sodium alginate microcapsule exists in the metal degreasing agent as a carrier of the lipase and the protease. According to the metal degreasing agent, a microcapsule protection structure is used in the metal degreasing agent, the two technical problems of enzyme-surfactant compatibility and enzyme-alkaline environment compatibility which are difficult to solve for a long time in an industrial degreasing agent are solved, the degreasing agent is easy to actually operate, special equipment is not needed, a traditional degreasing agent can be directly replaced, and the metal degreasing agent is suitable for industrial application. Good market application prospects are realized.

According to the detergent special for the dish-washing machine and the preparation method of the detergent, when the detergent special for the dish-washing machine is prepared, glass protection components including bismuth citrate and polyethyleneimine are added, the bismuth citrate and the polyethyleneimine can be adsorbed on the surface of glass in the washing process, and the glass is protected from being eroded by soft water; and chelating agents, namely sodium citrate and tetrasodium glutamate diacetate, are added, so that calcium and magnesium ions in water can be effectively combined and removed, and scale is prevented from being generated. However, in a detergent compounding system, the chelating agent is added and combined with the glass protection component, so that the proportional relation between the chelating agent and the glass protection component is crucial. Based on this, when the addition proportion of the chelating agent and the glass protection component in the detergent is further discussed and the problem can be solved, the inventor finds that the special detergent for the dish-washing machine with a stable system can be obtained by applying the chelating agent and the glass protection component in a certain proportion to the preparation of the detergent.

The invention provides autologous platelet-containing plasma gel and a preparation method and application thereof, and relates to the technical field of biological medicine and tissue engineering.The preparation method comprises the following steps that peripheral venous blood of a patient is extracted and added into a centrifugal tube mixed with a sodium citrate anticoagulant; putting the centrifugal tube into a centrifugal machine for centrifuging, and taking upper-layer plasma; wherein the upper-layer plasma refers to plasma between the upper-layer liquid level and the lower-layer red blood cell layer by 1mm; the centrifugal speed ranges from 1300 r / min to 1700 r / min; the centrifugation time is 3-5 min; under a sterile condition, preparing a calcium gluconate / thrombin mixed solution; and dropping the calcium gluconate / thrombin mixed solution into the upper plasma, mixing, and solidifying to obtain the autologous platelet-containing plasma gel. After one-time centrifugation, upper-layer full-layer plasma is extracted, the volume of the prepared gel is far larger than that of a traditional method, the utilization rate of whole blood platelets and fibrinogen is close to 100%, and regeneration and repair of large-area tissue wounds can be met.

The invention provides an intestine moistening and bowel relaxing composition as well as a preparation method and application thereof. The intestine moistening and bowel relaxing composition is prepared from the following raw materials in parts by weight: 5 to 10 parts of compound fruit and vegetable fermentation liquor, 2 to 4 parts of compound fruit concentrated juice, 0.01 to 0.02 part of compound probiotic powder, 17 to 27 parts of prebiotics, 0.1 to 0.15 part of DL-malic acid, 0.05 to 0.1 part of citric acid, 0.005 to 0.01 part of sodium citrate, 0.01 to 0.02 part of potassium sorbate and 59 to 65 parts of water. The preparation method comprises the following steps: S1, preparing a mixed solution A; s2, preparing a mixed solution B; s3, preparing a mixed solution C; s4, preparing composite fruit and vegetable fermentation liquor; s5, mixing; and the prepared composition for relaxing bowel can be applied to products for relaxing bowel, and has the effects of cleaning intestinal waste, relaxing bowel and regulating intestinal flora.

The invention discloses a water-based compensation sodium source sodium ion battery positive pole piece and a preparation method thereof. Mixing a positive active material, a conductive agent, a water-based binder, a water-soluble sodium supplement agent and a solvent to obtain positive slurry; wherein the water-soluble sodium supplement comprises sodium nitrite, sodium oxalate and sodium citrate; the solvent is water; and coating the surface of a current collector with the positive electrode slurry to prepare the positive electrode plate. Deionized water is used for replacing a traditional organic solvent to serve as a pulping solvent, and dual-function optimization is achieved by adding a specific water-soluble sodium supplementing agent. The sodium supplementing agent is uniformly distributed in the pole piece through a dissolution-recrystallization mechanism, and an efficient sodium ion pre-compensation system is formed. According to the method, the production cost and the energy consumption are remarkably reduced, the structural degradation of the positive active material in a water system environment can be effectively inhibited, irreversible sodium loss caused by formation of a first-week solid electrolyte interface (SEI) of a negative electrode is counteracted through a sodium source compensation mechanism, and the method has remarkable environmental friendliness and industrial application value.

The invention provides a preparation method of a mulberry and honey composite fruit juice beverage for assisting in improving sleep, and belongs to the field of food. The mulberries are mature fruits of mulberries of deciduous trees of moraceae, the mulberries comprise black mulberries and white mulberries, and the mulberries are used for auxiliary treatment of various diseases in folk since ancient times and are food and medicine homologous tonic; the honey is honey brewed by honeybee insects, namely apis cerana or Italian bees, and is a tonic with homology of medicine and food. The mulberry and the honey are used as raw materials, so that the effects of the mulberry and the honey are complementary and synergistic, and the invention provides the preparation method of the mulberry and honey composite fruit juice beverage which assists in improving sleep and relaxing bowel. The mulberry juice beverage comprises the following components in percentage by weight: 5-40% of dried mulberry extracting solution or fresh mulberry juice, 0.5-10% of cane sugar and honey (1: 1), 0.005-0.03% of sucralose, 0.01-0.40% of organic acid (citric acid, tartaric acid, malic acid and sodium citrate), 0.005-0.011% of nutrition enhancer and color fixative vitamin C, 0.005-0.25% of iodine-free edible salt and the balance of purified water. The mulberry and honey composite fruit juice beverage provided by the invention is reasonable in compatibility, has an effect enhancing effect, is fresh and natural in taste, and has relatively good effects of improving sleep quality and relaxing bowel.

The invention relates to the field of sodium citrate preparation, in particular to a double-cooling type decolorizing and refining device and application thereof in sodium citrate preparation.The double-cooling type decolorizing and refining device comprises a reaction tank, a stirrer is arranged in the reaction tank, the double-cooling type decolorizing and refining device further comprises an outer cooling jacket and an outer cooling coil, and a cooling area is formed between the outer cooling jacket and the reaction tank; the outer cooling jacket is provided with an air inlet and an air outlet, and the outer cooling coil is provided with a water inlet and a water outlet. The rotating speed of the stirrer is detected through the rotating speed sensor, the flow adjusting assembly is adjusted according to a rotating speed signal, the cold air flow and the cooling water flow are gradually increased, the opening degree of the air inlet and the opening degree of the water inlet are gradually increased along with increasing of the rotating speed of the stirrer, continuous improvement of the cooling effect is ensured, and the particle size of formed crystals is effectively controlled; the increase of the number of crystal nucleuses and non-uniform crystallization caused by rapid cooling are avoided, so that the purity and the yield of the sodium citrate are improved.

The application discloses a composition for protecting liver and strengthening kidney and reducing uric acid, which is made of the following raw material components: Anoectochilus roxburghii, dried tangerine or orange peel, chicory, gardenia, turmeric, Hovenia dulcis Thunb, Cistanche deserticola Y.C.Ma, Rehmannia glutinosa, potassium citrate, sodium citrate and goose myo-peptide. The composition combines the immortal concept of TCM (Traditional Chinese Medicine) "treating disease from the root" and the uric acid control method of modern nutritional medicine as an organic whole, and achieves multiple effects of protecting liver and strengthening kidney, mutual benefit of yin and yang and reducing uric acid through multiple action targets. Animal experiment results show that the composition can effectively reduce the activities of transaminase ALT and AST, relieve liver damage, reduce serum creatinine level and improve urea ammonia excretion rate, improve kidney function, inhibit the activities of xanthine oxidase and adenosine dehydrogenase and reduce uric acid level. The composition is safe and has no toxic side effects, is suitable for people with insufficient liver and kidney functions and hyperuricemia and has a wide application prospect.

The invention relates to a production method of imitated natural casings. The production method comprises the following steps: selecting high-quality cow belly and cow back split leather and leftover materials of natural casings; the split leather is treated with alkaline protease in a rotating hub, ammonium sulfate and citric acid are used for decalcification treatment after treatment, and citric acid and sodium citrate are used for buffering; fully cleaning; aging and fully swelling; mixing split leather and natural casing leftover materials, and circularly grinding to obtain collagen pulp; mixing the mucilage and acid water; the colloid is fully swelled; homogenizing by a homogenizer, and filtering to obtain collagen colloid; and extruding the imitated natural collagen casing. The method has the advantages that split leather is screened, the casing is softer and more stable in quality, the raw materials comprise leftover materials of natural casings, and the performance of the casing is guaranteed; high-speed extrusion is adopted, so that the strength during filling is ensured, and the casing can be brighter; drying is rapid, so that the casing has enough brittleness; and a gradual traction mode is used, so that the softness similar to that of natural casings is ensured.

The invention discloses a wet tissue liquid for improving hemorrhoid symptoms, a wet tissue, a production method and application, the wet tissue liquid comprises asiaticoside, a sophora flower charcoal extract, bisabolol, a honeysuckle flower extract, a rosemary extract, ceramide NP, D-panthenol, potassium cocoyl glycinate, citric acid, sodium citrate and purified water, and the wet tissue comprises spunlace non-woven fabric. The wet tissue liquid is loaded on a non-woven fabric, the production process of the wet tissue liquid comprises a pretreatment stage, a preparation stage and a filtering stage, and the produced wet tissue liquid is applied to hygienic products for improving hemorrhoid symptoms. The sophora flower charcoal extract is used for the haemorrhoids wet tissue liquid to achieve the effects of stopping bleeding, cleaning and mildly easing pain; double natural extracts are compounded to replace preservatives, traditional single symptom relief is upgraded to symptom treatment, mucous membrane repair and barrier protection, disease deterioration and recurrence risks are reduced, and the composition is free of chemical preservatives, free of irritant surface activity and suitable for being used by people with hemorrhoid symptoms.

The invention discloses a fly ash washing dechlorination and resource utilization method. The method comprises the steps of fly ash pretreatment, size mixing treatment, enhanced washing and solid-liquid separation, filter cake treatment and mixed washing liquid purification and salt separation crystallization. Through a multi-dimensional synergistic strengthening means, the fly ash dechlorination efficiency is remarkably improved, resource utilization is achieved, the sodium citrate and lauryl sodium sulfate composite additive is adopted, Zeta potential real-time monitoring and pulse type supplementing are combined, fly ash particles are effectively dispersed, mass transfer resistance is destroyed, dissolution of chloride ions is promoted, and the dechlorination effect of the fly ash is improved. Moreover, gradient heating, electric field assistance and redox potential regulation are introduced, so that heavy metal dissolution is inhibited while efficient dechlorination is performed.

The invention belongs to the technical field of silicon material cleaning, and particularly relates to a silicon material cleaning agent and a preparation method and application thereof. The silicon material cleaning agent provided by the invention comprises the following components in parts by mass: 50-60 parts of water; 15 to 30 parts of an acidic etching solution; 10 to 20 parts of a first chelating agent; 10 to 20 parts of a second chelating agent; 0.5 to 5 parts of a surfactant; 5 to 15 parts of a builder; wherein the first chelating agent is selected from at least one of 1-hydroxyethylidene-1, 1-diphosphonic acid or ethylenediaminetetraacetic acid; the second chelating agent is selected from at least one of citric acid, gluconic acid, tartaric acid, malic acid, sodium citrate, sodium gluconate, potassium pyrophosphate and sodium pyrophosphate. The silicon material cleaning agent is used for silicon material cleaning, various metal ions can be cleaned at a time, the silicon material cleaning efficiency is improved, and the industrial cost is effectively reduced.

A natural cheddar cheese flavoring substance, the raw materials of which include: protease, lipase and substrate; wherein the substrate is: cheddar cheese, butter, sodium citrate, edible salt, skim milk powder and water; and the weight ratio of protein is 0.1%-0.5%, the weight ratio of lipase is 0.1%-0.5%, the weight ratio of cheddar cheese is 5%-15%, the weight ratio of butter is 10-30%, the weight ratio of sodium citrate is 0.5%-2%, the weight ratio of edible salt is 0.1%-0.5%, the weight ratio of skim milk powder is 2%-5% and the balance is water; the prepared product has a natural, soft and realistic aroma, and the cheddar cheese flavor is typical and rich, which can significantly improve the intrinsic quality of the flavored product. At the same time, this method also avoids the loss of flavor substances that may be caused in the process of extracting and concentrating cheddar cheese flavor substances in the prior art, thereby improving the flavor and taste of the final product.

The invention discloses a low-calorie electrolyte beverage and a preparation method thereof, and belongs to the technical field of beverages. The low-calorie electrolyte beverage is prepared from the following components in parts by weight: 1.3 to 1.5 parts of plukenetia volubilis linneo extract, 0.02 to 0.03 part of vitamin C, 0.016 to 0.019 part of vitamin B2, 0.15 to 0.25 part of citric acid, 0.1 to 0.2 part of sodium citrate, 0.02 to 0.03 part of sodium chloride, 0.02 to 0.03 part of potassium chloride, 0.01 to 0.02 part of stevioside and 150 to 180 parts of deionized water. Sugar replacement is realized by adding sacha inchi soluble fibers to provide osmotic pressure, sugar substitutes are used for adjusting taste, sacha inchi peptides are extracted, the absorption efficiency of moisture after exercise is improved through combined action, and then the water supplementing effect is improved.

The invention provides a modified charcoal-based slow-release rare earth lanthanum soil conditioner and a preparation method thereof, and relates to the technical field of soil conditioners, the saline-alkali soil conditioner is used for reducing soil salinity and alkalinity, fixing heavy metals in soil, improving soil structure and slowly releasing rare earth elements into soil; the preparation method comprises the following steps: 1, preparing a rare earth lanthanum compound; modifying the biochar; a phosphate; dewatering the river sludge; an organic complexing agent; step 2, dissolving a rare earth lanthanum compound and an organic complexing agent in deionized water, and reacting to generate a complex solution; step 3, preparing modified biological carbon; step 4, loading lanthanum; and step 5, mixing the matrix to obtain the saline-alkali soil conditioner. Lanthanum nitrate and sodium citrate are converted into a complex solution, the lanthanum citrate complex has good stability, lanthanum can be effectively fixed in the solution in the form of the complex, the lanthanum is prevented from precipitating or losing in the subsequent treatment process, and the slow release effect of lanthanum is achieved.

The invention discloses a compound water retention agent for food and a preparation method of the compound water retention agent, and mainly relates to the technical field of food additives. Compared with the prior art, sodium tripolyphosphate and sodium dihydrogen phosphate are used as composite phosphates, and are matched with the coordination effect of the enzyme preparation, glycerol, microcapsules, sodium carbonate, sodium citrate, maltodextrin, protein additive and thickening agent to maintain high water-retaining property, elasticity and tenderness. According to the invention, microcapsules prepared by taking glucomannan and the like as wall materials, taking casein as an emulsifier and taking grease core materials are also added, when the meat food is subjected to deep-frying processing, grease slowly released by the microcapsules can permeate into a meat protein network to weaken the cross-linking strength among protein molecules, and other components such as xanthan gum, guar gum and the like are matched, so that the meat food has a good deep-frying effect. Therefore, the hardness of the meat product is reduced, and high elasticity and tenderness are kept.