20 results about "Potassium hydrogen persulfate" patented technology

This invention discloses a high-density composite for long-lasting water bottom improvement and disinfection, and its preparation method, relating to the field of aquaculture technology. The high-density composite is prepared from the following raw materials: a premixed additive, potassium persulfate, sodium chloride, gelatinized starch, bentonite powder, attapulgite, cement, calcium carbonate, titanate coupling agent, purified water, and molasses. This invention also discloses a method for preparing the high-density composite. The high-density composite for long-lasting water bottom improvement and disinfection of this invention has advantages such as long duration of slow-release bottom improvement, good stability, simple preparation method, low production cost, and ease of large-scale production. It fills the gap in slow-release bottom improvement products and solves the problems of current slow-release bottom improvement technologies, such as difficulty in controlling the slow-release rate, complex preparation methods, high production costs, and difficulty in large-scale production.

The invention relates to a cigarette core material for a self-heating cigarette and application of the cigarette core material. The cigarette core material comprises a mixture of a self-heating material and a tobacco base material. The self-heating material comprises an oxidizing agent, a reducing agent and a thermal reaction transfer agent; the oxidizing agent, the reducing agent and the thermal reaction transfer agent are physically separated from one another through a barrier material; the oxidizing agent comprises potassium hydrogen persulfate and potassium permanganate; the reducing agent comprises iron powder and / or aluminum powder; the thermal reaction transfer agent is one or a combination of at least two of calcium chloride, activated carbon, magnesium sulfate or citric acid. According to the cigarette core material for heating the cigarette, a battery and an electronic circuit are completely abandoned, through an innovative physical-chemical spontaneous heating structure and a starting mechanism, a controllable chain type exothermic reaction of the spontaneous heating material in the cigarette core can be triggered only through transient triggering of a conventional fire source (such as a lighter), and therefore the tobacco material is evenly baked to generate smoke.

The utility model relates to potassium hydrogen sulfate composite powder processing technical field, concretely relates to a kind of potassium hydrogen sulfate composite powder premixing mechanism, including support seat, the potassium hydrogen sulfate composite powder premixing mechanism further includes: cradle is rotationally arranged on the support seat, mixing tank is rotationally arranged in the cradle, the drive part for driving mixing tank autorotation, several helical blades are fixed in the mixing tank inside circumferentially uniformly, and the mixing area is formed by surrounding between adjacent two helical blades.The utility model can autorotate mixing tank under the driving of drive part after raw material is filled and tightened can cover, and cradle is reciprocatingly deflected along mixing tank axial under the driving of reciprocating driving element, so that raw material flows, rolls mixing in mixing tank, greatly weaken the collision, vibration degree in mixing process of raw material, improve mixing effect.

The application discloses a preparation method and application of a cellulose-based material loaded cobalt-doped metal organic framework compound catalyst. The composite catalyst takes a cellulose-based material as a carrier, and is subjected to hydrothermal treatment together with an aqueous solution of ferric chloride hexahydrate and fumaric acid, so as to obtain a metal organic framework compound MIL-88A which is in-situ grown on the cellulose-based material, and then the MIL-88A is subjected to freeze drying. After the treatment, the obtained cellulose-based material loaded MIL-88A is added into a mixed aqueous solution of cobalt nitrate nonahydrate and urea, and is subjected to water bath treatment at 90 DEG C, and then the cellulose-based material loaded MIL-88A obtained after the treatment is subjected to freeze drying, so as to obtain the cellulose-based material loaded cobalt-doped MIL-88A catalyst. The prepared heterogeneous catalyst can efficiently degrade dyes by activating potassium monopersulfate. The catalyst is easy to recover, and can be used in an intermittent or continuous dye degradation process. In the continuous degradation of a dye rhodamine B, when the flow rate is 6 ml / h, the catalyst can still maintain high catalytic degradation activity for 72 h.

The invention belongs to the technical field of sewage treatment, and particularly relates to a medical sewage treatment method for synergistically removing new pollutants and pathogenic microorganisms, which comprises the following steps: S1, pretreatment: putting an inorganic flocculant into medical sewage to promote the aggregation and precipitation of suspended particles and colloids in the medical sewage; s2, oxidation treatment: a composite agent is put into the pretreated medical sewage, a direct-current electric field is applied at the same time, the composite agent comprises potassium monopersulfate composite salt, sulfamic acid, sodium chloride, sodium bromide, a surfactant, a pH buffer agent, a composite corrosion inhibitor, an anti-blocking agent and anhydrous sodium sulfate, strong-oxidizing components are generated after the composite agent is dissolved, and the strong-oxidizing components are added into the pretreated medical sewage; organic matters are mineralized and decomposed, and pathogens are killed; s3, biochemical treatment: carrying out biochemical treatment on the medical sewage subjected to oxidation treatment to remove ammonia nitrogen and small molecular organic matters. According to the invention, various new pollutants can be effectively decomposed, pathogenic microorganisms are inactivated, and the treatment effect is improved.

The invention relates to a functional composition for reducing the total sugar content of tobacco leaves and increasing the potassium content of the tobacco leaves and application of the functional composition. The functional composition comprises a first component, a second component and a third component, the first component comprises potassium hydrogen persulfate; the second component comprises trisodium phosphate; and the third component comprises glucose oxidase. The raw materials including the potassium hydrogen persulfate, the trisodium phosphate and the glucose oxidase are combined for use and are matched with one another, the effects of reducing the total sugar content in the tobacco leaves and increasing the potassium content in the tobacco leaves can be achieved after the composition is applied in the tobacco growth period, then the sugar-alkali ratio and the sugar-nitrogen ratio of the tobacco leaves are balanced, the sweet sense and the aroma amount of the tobacco leaves are increased, and the tobacco quality is improved. The comfort of the sensory smoking quality of the tobacco leaves is improved.

The present application relates to a kind of ammonia content detection method in sulfurous acid-containing solution, belong to material detection technical field.The ammonia content detection method in sulfurous acid-containing solution of the present application, comprising the following steps: (1) adding potassium hydrogen persulfate to be measured sulfurous acid-containing ammonia solution and reacting with sulfurous acid, obtain the test solution;(2) using indigo phenol blue spectrophotometry to determine the ammonia content in the test solution obtained in step (1), i.e.the ammonia content in sulfurous acid-containing solution is obtained.The present application first adds oxidizing agent potassium hydrogen persulfate solution as pretreatment reagent, and reacts with sulfurous acid, eliminates sulfurous acid, while it will not produce interference factors affecting ammonia content determination.The ammonia concentration standard curve obtained by the test method of the present application, the R 2 of fitting curve has reached 0.999, which indicates that ammonia signal intensity and the concentration of standard solution have good linear relationship, further indicating that the ammonia content detection method of the present application has good detection reliability and accuracy.

The utility model relates to powder drying technical field, concretely relates to a kind of agitating mechanism for potassium hydrogen peroxodisulfate drying machine, including the stirring tank being located in the inside of drying machine, the stirring rod being located in the top of drying machine is driven by motor, the lower end of stirring rod is equipped with the helical blade that is inserted into the stirring tank, the top of stirring tank is open structure, the bottom of stirring tank is obliquely arranged, agitating mechanism further includes: the rack being located in the inside of drying machine;Lifting inclined plate being located in the lower end of stirring tank, lifting inclined plate is slidably arranged on the rack by guide rod, when using, by stirring rod drive helical blade rotation to continuously agitate potassium hydrogen peroxodisulfate material, simultaneously by drive portion drive lifting inclined plate continuously rotate, and reciprocating lifting action is carried out on the rack along guide rod, so as to realize that helical blade can agitate potassium hydrogen peroxodisulfate material in stirring tank in different positions, under the joint action of agitation and overturning crushing, guarantee consistency of drying.

The invention relates to the technical field of oral care, in particular to a denture cleaning tablet containing a functional high-molecular compound and a preparation method of the denture cleaning tablet. The denture cleaning tablet specifically comprises the following components in parts by weight: 20-40 parts of sodium bicarbonate; 15 to 25 parts of citric acid; 5-15 parts of sodium carbonate; 6-15 parts of sodium percarbonate; 6 to 15 parts of potassium monopersulfate composite salt; 2 to 8 parts of tetraacetylethylenediamine; 1-5 parts of lauryl sodium sulfate; 1 to 5 parts of PEG (Polyethylene Glycol) 8000; 1 to 5 parts of copovidone; 0.01 to 0.2 part of protease; 0.01 to 1 part of indigo blue; 0.01 to 1 part of peppermint oil; and 3 to 8 parts of a HEMA-VP-PASP graft copolymer. The denture cleaning tablet provided by the invention can give consideration to sterilization efficiency and safety, protects mechanical properties of appliance materials, and can improve weather resistance and maintain protease activity at the same time.

The invention relates to the technical field of catalysts, in particular to a nickel-manganese oxide pompon structure composite material and a preparation method and application thereof.The preparation method comprises the following steps that a nickel chloride solution and a potassium permanganate solution are mixed and stirred, and then a mixture is obtained; and carrying out a hydrothermal reaction on the mixture, after the reaction is finished, filtering, taking a precipitate, washing, drying, and grinding to obtain the NiMn2O3 (OH) 4 composite material. According to the NiMn2O3 (OH) 4 composite material prepared by the method disclosed by the invention, the efficiency of degrading organic pollutants by potassium hydrogen persulfate can be remarkably improved; and Ni can remarkably reduce the leaching rate of metal ions in the NiMn2O3 (OH) 4 composite material, and secondary pollution to the environment caused by leaching of the metal ions is avoided. After four times of cycle experiments, the degradation efficiency of the NiMn2O3 (OH) 4 composite material for activating PMS to degrade organic pollutants is still up to 98% or above, and it is proved that the NiMn2O3 (OH) 4 composite material has good stability and reusability.

This invention relates to the field of chemical dosing mechanisms, and discloses an automatic chemical replenishment mechanism and a potassium persulfate disinfection device. The device includes a disinfection unit and a dosing unit. The disinfection unit includes a disinfection tank, and the dosing unit includes a storage cylinder and a conveying cylinder fixed to the bottom of the storage cylinder. The conveying cylinder has a transport device, an opening and closing device, and a driving device inside. The transport device includes a transport roller, with chemical bins on both sides of its outer periphery. The opening and closing device includes a perforated plate and two partitions, with a pushing component at the other end of each partition. The driving device includes a drive source and a transmission component. This invention sequentially controls the transport roller and the pushing component through the transmission component, allowing one chemical bin to add chemicals to the disinfection tank while the other bin replenishes the chemicals. This solves the problem of insufficient disinfectant during wastewater disinfection or the need for re-addition after purification, which requires manual replenishment of chemicals. Furthermore, disinfectants are toxic and can easily cause environmental pollution and poisoning.

This invention discloses a method for predicting the dosage of potassium persulfate compound salt in the factory farming of Litopenaeus vannamei, belonging to the field of intelligent disinfection control in aquaculture. The method includes: acquiring the biomechanical parameters of potassium persulfate compound salt's inactivation of pathogenic Vibrio, reactive oxygen species attenuation parameters, Vibrio growth kinetic parameters, and shrimp safety threshold; constructing a microbial growth sub-model, a disinfectant inactivation sub-model, and a disinfectant concentration attenuation sub-model, respectively; and dynamically coupling these three sub-models into a dosage prediction model in system dynamics software. Real-time physicochemical parameters of the aquaculture water are input into the model, and the initial dosage concentration of potassium persulfate compound salt, effective sterilization duration, pathogen regrowth warning, and dosing interval are dynamically output. This invention can dynamically and accurately predict the disinfectant dosage based on the water quality parameters at the aquaculture site, achieving efficient Vibrio control while ensuring shrimp safety, and is suitable for intelligent disinfection management in factory shrimp farming.

The invention relates to the field of combined type tooth socket cleaning agents, and discloses a combined type tooth socket cleaning agent and a preparation method thereof.The combined type tooth socket cleaning agent is divided into a liquid agent and a solid tablet, and the color can be changed after the liquid agent and the solid tablet are fused; the liquid medicament is prepared from the following components: purified water, propylene glycol, sodium benzoate, Tween, cocamidopropyl betaine, didecyl dimethyl ammonium chloride, sodium pyrophosphate, sodium tripolyphosphate, saccharin sodium, PEG-hydrogenated castor oil, essence, a purple sweet potato extract and lactic acid; the combined tooth socket cleaning agent is characterized in that a solid tablet is prepared from the following components: sodium bicarbonate, citric acid, sorbitol, potassium carruvate (potassium hydrogen persulfate), sodium benzoate, glucanase, amylase, papain, lysozyme, lactase, a PVPVA (Polyvinyl Polyvinyl Alcohol) copolymer, sodium lauryl sulfoacetate and polyethylene glycol. The visual cleaning process is provided through color change, meanwhile, a large number of bubbles can be generated, the liquidity of liquid is improved, and soft dirt on the tooth socket is effectively removed through the physical scouring effect.

This invention belongs to the field of wastewater treatment technology, specifically a method for treating medical wastewater by synergistically removing new pollutants and pathogenic microorganisms. The method includes the following steps: S1, Pretreatment: Inorganic flocculants are added to the medical wastewater to promote the aggregation and sedimentation of suspended particles and colloids; S2, Oxidation Treatment: A composite agent is added to the pretreated medical wastewater while a direct current electric field is applied. The composite agent includes potassium persulfate, aminosulfonic acid, sodium chloride, sodium bromide, surfactant, pH buffer, composite corrosion inhibitor, anti-caking agent, and anhydrous sodium sulfate. After dissolving, the composite agent generates a strong oxidizing component that mineralizes and decomposes organic matter while killing pathogens; S3, Biochemical Treatment: The oxidized medical wastewater is then subjected to biochemical treatment to remove ammonia nitrogen and small molecule organic matter. This invention can effectively decompose various new pollutants and inactivate pathogenic microorganisms, thus improving the treatment effect.

The invention relates to the technical field of microelectronic manufacturing, in particular to a potassium hydrogen persulfate composite salt microetchant additive and application thereof. The potassium hydrogen persulfate composite salt micro-etching liquid additive is prepared from chitosan, polyvinylpyrrolidone, sodium tungstate and tea polyphenol according to the weight ratio of (3 to 7) to (1 to 3) to (0.5 to 1.5) to (0.3 to 0.7). By adding the potassium hydrogen persulfate composite salt micro-etching liquid additive, the use concentration of the potassium hydrogen persulfate composite salt can be controlled to be 2.0% or below, the etching quality of the potassium hydrogen persulfate composite salt is considered, and the roughness Ra of an etched copper surface is smaller than or equal to 0.16 mu m; the width of an interface transition region is less than or equal to 3.2 microns; the oxidation resistance of the copper surface is improved, namely the oxidation time in a dust-free room is greater than or equal to 24 hours; and the copper surface etching rate is greater than or equal to 1.0 mu m / min.

The application discloses a kind of kitchen garbage stench pollution source control method.This method is directly added to the kitchen garbage that has not been treated Compound deodorization reagent, stir evenly, stand 1~50h, obtain;The Compound deodorization reagent includes the following mass percentage components:45~60% potassium monopersulfate compound salt, 3~9% polyvinyl alcohol, 5~15% polyvinylpyrrolidone, the rest is pure water.This method is based on the synergistic effect of Compound deodorization reagent and kitchen garbage, using the environmental characteristics of high salt, rich in organic matter and acidic spoilage of kitchen garbage, and the strong oxidizing substance of superoxide class is generated by reaction with compound reagent, oxidize and degrade the reducing stench substance in kitchen garbage, especially the sulfide with strong irritation, and improve the anaerobic environment inside kitchen garbage, reduce the amount of stench substance released due to anaerobic microbial metabolism, so as to realize the source of kitchen garbage stench pollution control.

The invention relates to a functional composition for promoting growth of flue-cured tobacco adventitious roots and application of the functional composition. The functional composition comprises a first component, a second component, a third component and a fourth component, the first component comprises potassium hydrogen persulfate; the second component comprises trisodium phosphate; the third component comprises catalase; the fourth component comprises a plant rotten product. The functional composition is creatively developed, raw materials including potassium hydrogen persulfate, trisodium phosphate, catalase and plant rotten products are combined for use, the four raw materials are matched with one another, and the functional composition can play a role in activating growth of adventitious roots after being applied to tobacco plants with poor root system development and growth resistance in the tobacco root extension period, so that the growth of the adventitious roots is promoted, and the growth of the tobacco plants is promoted. The tobacco leaf color and the tobacco plant growth vigor are further improved.

The invention discloses anhydrous whitening toothpaste. The anhydrous whitening toothpaste is prepared from potassium monopersulfate composite salt, an initiator, a thickening agent and a humectant, the initiator is at least one of chloride and alkaline phosphate, and the weight ratio of the potassium monopersulfate composite salt to the initiator is (5: 1)-(1: 1); the thickening agent is a compound of hydroxyethyl cellulose and one or two of microcrystalline cellulose and silica; the humectant is 1, 3-propylene glycol; the chloride is sodium chloride and / or potassium chloride; the alkaline phosphate is pentasodium tripolyphosphate and / or tetrasodium pyrophosphate. According to the toothpaste disclosed by the invention, stable storage of the potassium monopersulfate composite salt can be realized, and efficient whitening can be realized during use; neutralization and thickening are not needed, high-speed shearing resistance is achieved, and high thixotropy and high yield value are achieved; the moisture absorption performance is moderate, liquid in the formula can be locked, the pasty fluid is prevented from being dry and hard, and the pasty fluid stability cannot be damaged or oral discomfort cannot be caused by excessive moisture absorption; the problems that chemical whitening toothpaste is poor in taste, high in irritation, unstable in chemical whitening component and the like are solved.

The invention relates to the technical field of oral care materials, and particularly discloses a denture cleaning tablet applying a water-soluble polymer material and a preparation method of the denture cleaning tablet. The denture cleaning tablet disclosed by the invention comprises a cleaning layer and a coating layer, the cleaning layer comprises the following components: sodium bicarbonate, citric acid, sodium carbonate, sodium percarbonate, potassium monopersulfate composite salt, tetraacetylethylenediamine, lauryl sodium sulfate, protease, a chitosan-polyethylene glycol grafted copolymer, copovidone, pigment and essence; the coating layer is prepared from the following components in parts by weight: 10 to 16 parts of copolymer of polymethyl vinyl ether / maleic acid mixed salt, 1 to 3 parts of polyethylene glycol 2000 and 0.5 to 1 part of polyethylene glycol 8000. The denture cleaning sheet prepared by the invention not only ensures that the cleaning sheet has an excellent descaling effect, but also reduces the influence on the mechanical properties of a denture material, and meanwhile, the safety and weather resistance of the cleaning sheet are improved.