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53results about How to "Change acidity" patented technology

Method for synthesizing trioxymethylene by catalyzing formaldehyde cyclization reaction through bifunctional ionic liquid

The invention discloses a method for synthesizing trioxymethylene by catalyzing cyclization reaction of aqueous solution of formaldehyde through bifunctional ionic liquid. In the method, the bifunctional ionic liquid is taken as a catalyst, a mode of catalytic rectification reaction is adopted, and the trioxymethylene is prepared through the formaldehyde cyclization reaction. The method has the advantages that: the application range of reaction materials is wide, the catalyst is low in corrosion, high in catalytic activity and recyclable, the product is high in selectivity, and the operating process is simple and high in controllability.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Test box and system capable of simulating mechanical property of test piece under freeze-thaw temperature load

The invention discloses a test box and a system capable of simulating the mechanical property of a test piece under a freeze-thaw temperature load. The test box comprises a box body, a refrigeration device arranged in the box body, and an atomized liquid inlet formed in the box wall of the box body or an atomization device arranged in the box body. The system comprises the test box and a stress loading device. According to the test box and the system provided by the invention, a stress environment closer to that in a usage state of the test piece can be simulated, so that the detection efficiency is high and a detection result is accurate according to the scheme provided by the invention.
Owner:SICHUAN UNIV

Treatment system for reducing household refuse incineration smoke Dioxin and application method

The invention discloses a treatment system for reducing household refuse incineration smoke Dioxin. The treatment system comprises a refuse receiving chamber and a refuse storage chamber which are isolated through a door; a bad smell outlet of the refuse storage chamber is connected with a refuse incineration furnace secondary combustion chamber zone (oxygen enrichment zone); a refuse incineration furnace is further provided with an air inlet and a refuse inlet used for receiving refuse of the refuse storage chamber; a smoke outlet of the refuse incineration furnace is connected with an inlet of a waste heat power generation boiler, and an outlet of the waste heat power generation boiler is connected with an inlet of a first bag type dust collector; an outlet of the bag type dust collector is connected with an inlet of an SCR reactor, an outlet of the SCR reactor is connected with an air preheater smoke inlet, an air preheater smoke outlet is connected with an inlet of a second bag type dust collector, and an outlet of the second bag type dust collector is connected with an inlet in the lower portion of a deacidification demisting tower; and an outlet in the upper portion of the deacidification demisting tower is connected with a chimney. In addition, the invention comprises a method of the system. According to the treatment system and the application method, the HCi, SO2, NOx and dust removal rate is high, and the Dioxin concentration is smaller than 0.01 ngTEQ/Nm3.
Owner:AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD

Nickel-free fluoride-free low-temperature sealing agent for aluminum alloy anodic oxide film

InactiveCN106245088APrevent or slow down material and equipment corrosionImprove corrosion resistanceSurface reaction electrolytic coatingFrostOxide
The invention relates to a nickel-free fluoride-free low-temperature sealing agent for an aluminum alloy anodic oxide film. The raw materials of the sealing agent comprise, based on 1 L, 8-16 g of metal salt, 0.5-3 g of a stabilizer, 0.8-2.5 g of a corrosion inhibitor, 0.3-1 g of an oxidant, 0.2-4 g of a surfactant, 3.5-16 g of a pH buffering agent and deionized water, and the adding amount of the deionized water is the amount that after the other raw materials are mixed, the deionized water is added till the constant volume of the sealing agent is 1 L. The nickel-free fluoride-free low-temperature sealing agent for the aluminum alloy anodic oxide film has the advantages that a rapid penetration function is achieved, micropores can be fully sealed, and the corrosion resistance of the metal surface is effectively improved; the physical and chemical stability performances of the sealing agent are good, the additives are not prone to being decomposed and can be used for a long term, and the production cost is reduced; and the brightness of the workpiece surface is good after micropore sealing, and the abrasion resistance and the hardness are greatly improved, so that the problems that part of micropores are not sealed due to the poor micropore sealing effect, powder frost exists on the workpiece surface after micropore sealing, and the corrosion resistance of the oxide film is poor after micropore sealing are effectively solved.
Owner:JIANGSU FEITUO INTERFACE ENG TECH CO LTD

Synthesis of porous ZSM-5 zeolite and gamma-Al2O3 composite material and preparation of hydrodesulfurization catalyst

The invention discloses synthesis of a porous ZSM-5 zeolite and gamma-Al2O3 composite material and preparation of a hydrodesulfurization catalyst and relates to the technical field of composite materials and the field of hydrodesulfurization catalysts. The composite material is roasted for 3-8 h at the temperature of 450-600 DEG C, and has the following properties that the content of porous ZSM-5 zeolite is 5-95 wt.%, the content of gamma-Al2O3 is 5-95 wt.%, the specific surface area is 400-600 m<2>.g1, the mesopore volume is 0.40-0.85 cm<3>.g1, and the micropore volume is 0.06-0.15 cm<3>. g1. The composite material has multiple stages of porous structures, good hydrothermal stability, high mechanical strength and weak interaction with loaded metal species, changes the existence state of the metal species and promotes reducing and vulcanizing of the metal species, multiple layers of high-activity molybdenum sulfide or tungsten sulfide active phases are easily formed on the composite material, and the hydrodesulfurization performance of the metal sulfide catalyst is improved.
Owner:CHANGZHOU UNIV

Method for processing canned white asparagus by vacuum acidification

The invention discloses a method for processing canned white asparagus by vacuum acidification, comprising the following steps: carrying out ultrasonic cleaning with a frequency of 20-30 kHz on processed white asparagus for 10-15 min, wherein the cleaning effect is good, the speed is fast, and the white asparagus materials are prevented from tender stem deterioration caused by long time soaking; after cleaning, precooking, then carrying out spray cooling on the precooked white asparagus with cold water under the high pressure of 30*10<5>-40*10<5> Pa for 1 min, rapidly cooling the white asparagus, then conducting vacuum acidification by using a compound liquid of disodium hydrogen phosphate and citric acid under the vacuum degree of 0.070-0.085 MPa for 1.5-2h to achieve the purpose of preventing browning; and finally adding 0.01% phytic acid and 0.01% sodium erythorbate in the liquid of the canned white asparagus to carry out color protection on the white asparagus and further carry out acidification. The prepared canned white asparagus has good whiteness and strong fragrance, the pulp has popular sweet mouthfeel, and the liquid is clear.
Owner:福建立兴食品股份有限公司

A kind of spherical heteroatom ni-sapo-34 molecular sieve and its preparation and application

The invention relates to a spherical heteroatom Ni-SAPO-34 molecular sieve, and a preparation method and an application thereof. The preparation method comprises the following synthesis steps: (1) dissolving nickel nitrate hexahydrate in deionized water, and dropwise adding a chelating agent at room temperature while stirring to obtain a Ni chelate solution A; (2) mixing an aluminum source, a phosphorous source, a silicon source, a template and deionized water, and heating and stirring the obtained mixture to obtain an initial sol B; (3) adding the solution A to the initial sol B, and heating and stirring the solution A and the initial sol B to obtain a sol C; and (4) filling a reaction kettle with the sol C, carrying out a crystallization reaction, filtering and washing a product obtained after the reaction is completed until the product is neutral, and drying, calcining and cooling the neutral product to obtain the spherical heteroatom Ni-SAPO-34 molecular sieve. The spherical heteroatom Ni-SAPO-34 molecular sieve with a high crystallinity is synthesized by a sol-hydrothermal synthesis technology, the pressure drop of an accumulated catalyst bed is effectively reduced, the introduction of metallic nickel provides many active sites for the reaction, and the molecular sieve has an important application in an NH3-SCR reaction. The synthesis method has the advantages of simple steps, and easiness in operation.
Owner:SHANTOU UNIV

Magnetic mineral substance multifunctional massaging ball

The invention provides a magnetic mineral substance multifunctional massaging ball. The magnetic mineral substance multifunctional massaging ball is a hollow ball body with a plurality of massage protrusions evenly distributed on the surface, a plurality of holes are evenly distributed in the surface of the ball body, mineral substance particles of at least one of medical stone, tourmaline, anionic balls and magnets are arranged in the ball body, and the diameter of the mineral substance particles is larger than the aperture of the holes. The ball body can be formed by splicing two hemispheres or cylinders. The magnetic mineral substance multifunctional massaging ball can be used for massaging the hand and foot acupoints of children and adults during daily use, the internal ores can release effective energy within a certain surrounding range, and the ball can also achieve massage and healthcare functions when played at ordinary times. The magnetic mineral substance multifunctional massaging ball can be used simply by being placed in water while face washing, bathing and foot washing, water quality is changed through the energy of the mineral substances, due to the character of mineral substance water, no pollution is generated, on the contrary, the quality of the water can be improved, and the healthcare function is achieved.
Owner:吉冠(上海)新材料科技有限公司

Industrial wastewater treatment device and treatment method thereof

The invention discloses an industrial wastewater treatment device and a treatment method thereof. The industrial wastewater treatment device comprises a water storage tank, a settling tank, a reactiontank, an electrolysis tank and a filtration tank, wherein the settling tank, the reaction tank, the electrolysis tank and the filtration tank are sequentially connected through pipelines; the settling tank comprises a tank body, wherein the lower bottom surface of the tank body is movably connected with the side surface and used for opening and closing the lower bottom surface; a stirring deviceis arranged in the reaction tank and comprises a motor, a stirring rod connected with the motor and a stirring paddle connected to the bottom of the stirring rod; the electrolysis tank comprises a filling area and an electrolysis area arranged at the upper portion of the filling area; the filtration tank is sequentially provided with a first filter layer, a second filter layer and a third filter layer from top to bottom. According to the continuous industrial wastewater treatment device and the continuous industrial wastewater treatment method, the treatment process is simple, the cost of thetreatment device is low, the operation is easy, and the industrial wastewater treatment device and the industrial wastewater treatment method can be applied to the multiple fields of chemical engineering, medicines, foods and the like.
Owner:南京金帝华阳环境检测有限公司

Edible cactus and pitaya composite nutritive jam

InactiveCN108112927AFull of nutritionImprove and balance nutritional contentFood ingredient functionsPotassiumSpirodela
The invention discloses edible cactus and pitaya composite nutritive jam. The edible cactus and pitaya composite nutritive jam is made from the following raw materials in parts by weight: 40-50 partsof edible cactus, 30-40 parts of pitayas, 4-5 parts of jasmine flowers, 1-2 parts of mogroside, 1-2 parts of Chinese yam refined flour, 1-2 parts of citric acid, 1-3 parts of spirulina platensis, 0.5-1 part of potassium sorbate and 10-30 parts of water. A making method of the edible cactus and pitaya composite nutritive jam comprises the following steps of thoroughly cleaning the edible cactus, performing peeling, performing curing, and performing crushing so as to obtain mashed edible cactus; crushing the mulberries to obtain pulp; crushing the jasmine flowers to obtain jasmine flower pulp, uniformly mixing the mashed edible cactus, the pitaya pulp and the jasmine flower pulp with the mogroside, the Chinese yam refined flour, the citric acid, the spirulina platensis, the potassium sorbateand the water, performing concentration, and performing gel treatment; and performing filling, performing sterilization and performing disinfection. The jam is free from a conventional high temperature concentration technology, so that effective nutrient components of fruits and vegetables cannot be destroyed, and original juice and original taste of the fruits and the vegetables can also be kept. The jam disclosed by the invention has the advantages of being rich in nutrition, appropriate in mouth feel, broad in applicable crowds, simple in making technology and the like.
Owner:韦红梅

Waterborne epoxy anticorrosive coating containing composite active salt and preparation method of coating

The invention discloses a waterborne epoxy anticorrosive coating containing a composite active salt and a preparation method of the coating. The coating comprises a component A and a component B, andthe mass ratio of the component A to the component B is (3-5):1. The component A comprises: 35-40 parts of a waterborne epoxy emulsion, 1-2 parts of carbon black, 10-15 parts of mica powder, 10-15 parts of precipitated barium sulfate, 10-20 parts of a composite active salt phosphite/metaaluminate, 1-2 parts of a wetting and dispersing agent, 0.3-0.5 part of an antifoaming agent, 0.3-0.5 part of aleveling agent, 2-3 parts of a thixotropic agent, and 20-30 parts of deionized water. The component B comprises: 7-10 parts of a waterborne epoxy curing agent, 3-5 parts of a co-solvent, 10-15 parts of deionized water, and 1-3 parts of an amino group-containing organosilicon monomer. The phosphite/metaluminate composite active filler is selected as an anticorrosive filler, a cured film is formed by combining with a resin, and a coating layer formed by the prepared waterborne epoxy composition coating has excellent corrosion resistance to salt spray, cathode peeling, seawater immersion and deionized water immersion, and has excellent adhesion.
Owner:MARINE CHEM RES INST +1

Five-element product for nourishing and activating cells

The invention discloses a five-element product for nourishing and activating cells. The five-element product comprises main ingredients and auxiliary ingredients. The main ingredients comprise the following components by weight percentage: 40-50% of Astragalus mongholicus, 5-8% of Angelica sinensis, 8-11% of hawthorn, 8-11% of donkey-hide gelatin, 8-11% of Chinese date, 8-11% of lily and 8-11% ofChinese yam. The auxiliary ingredients are drinking water and 60-degree white spirit, wherein by weight ratio, the drinking water: the main ingredients is 2:1 (or 1:2), and the 60-degree white spirit: the main ingredients is 9:1. A preparation process comprises the steps of: checking raw materials; proportioning and smashing; mixing the white spirit for nine times; steaming and drying; mixing thewater and fermenting; fermenting underground; filtering and precipitating (or drying, smashing and preparing); and preparing the product. The five-element product is a functional life-preserving foodwith an economic value which is prepared by medical and edible dual-purpose raw materials by means of a microbial technology and natural microorganisms. The five-element product for nourishing and activating the cells has effects of nourishing genes, activating the cells, and preventing and treating diseases, and has purposes of preserving life and health care, preventing and treating the diseases and maintaining health and prolonging life.
Owner:朱广宪

Fermented bio-organic fertilizer applied to mountain areas

The invention discloses fermented bio-organic fertilizer applied to mountain areas, and belongs to the field of bio-organic fertilizer. A preparation method of the bio-organic fertilizer is provided and comprises the following steps: firstly, placing cut plant raw materials into a fermentation tank, and adding microbial fermentation bacteria and auxiliary materials for composting and fermentationto obtain bio-organic fertilizer, then carbonizing the bio-organic fertilizer at high temperature to obtain carbonized organic fertilizer, and calcining ore powder and shell powder; adding a binder and bentonite to the calcined ore powder and shell powder, and mixing the mixture with the carbonized organic fertilizer, and finally feeding the mixed organic fertilizer to a tower granulation nozzle for spray granulation. Acidity of mountain soil can be changed, PH of the mountain soil can be increased, decomposition capability of the soil can be enhanced, nutrients stored in dead ground cover canbe fully decomposed and absorbed, and peatification of a large amount of the dead ground cover can be avoided.
Owner:朱崇峰
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