53results about How to "Change acidity" patented technology

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.

The invention discloses a test chamber capable of simulating a mechanical property of a test piece under a freezing and thawing temperature. The test chamber comprises a chamber body. The test chamberincludes a temperature control system, a stress loading system, and an environmental simulation system. The temperature control system comprises a refrigeration device and a heating device. The refrigeration device and the heating device are located on an inner wall of the chamber body. The stress loading system is located at a top of the chamber body and the stress loading system includes a stress loading device and a test piece fixed end. The stress loading device is located outside the top of the chamber body, and the test piece fixed end is fixed to the stress loading device and is extended into the chamber body. Through the test chamber, the mechanical property of the test under a freezing and thawing temperature load can be tested, accuracy of a test result is ensured and an error is reduced through adjusting and simulating the mechanical property tests under high and low temperatures, different humidity, rainfall and illumination or different environmental states.

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.

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.

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.

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.

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.

The invention discloses high-content vitamin C tablets and a preparation method thereof. Each tablet comprises the following components: 100-300 mg of vitamin C, 80-200 mg of calcium vitamin C, 0.2-0.8 mg of vitamin B2, 100-300 mg of mannitol, 6-12 mg of starch, 6-20 mg of silicon dioxide and 3-12 mg of magnesium stearate. A direct tabletting method is used as for preparing th high-content vitamin C tablets and is simple to operate. According to the invention, the main raw materials, diluent, colorant, dispersant, disintegrant, lubricant are selected for preparing the high-content vitamin C tablets; the vitamin C tablets have high content, are not easy to oxidize, have good stability and long storage life, are free of any food additives, and have the hardness not lower than 5 kg and the disintegration degree not more than 10 minutes; and the process is simple and the vitamin C tablets are convenient to prepare.

The present invention provides a wild blueberry juice flavor and quality improving method by using lactobacillus plantarum fermentation. The method is characterized in that: by inoculating lactobacillus plantarum in the wild blueberry juice to conduct a temperature controlled fermentation, the compositions of organic acids and volatile components in the fruit juice are changed, so that the sensory quality of the wild blueberry juice is enhanced. The method can also be applied in the flavor improvement of other fruit juice containing a high content of organic acids, and has advantages of being short in production cycle, controllable in cost, quick and easy in operation, etc.

The invention discloses yarn comprising negative ion particles for producing microcurrent. The negative ion particles comprise, by weight, 25-30% of alumina, 0.2-0.5% of organic germanium powder, 2% of sapphire powder, 25-35% of silica, 5-10% of magnesium oxide, 10-15% of boron trioxide, 8-15% of ferric oxide, 0.5-1.5% of sodium oxide, 0.1-0.5% of phosphoric pentoxide, 0.2-0.5% of titanium dioxide, 8% of iron oxide, 2% of calcium oxide, 2% of periclase and 5% of active carbon. Through long-term use, female underwear or physiotherapy health clothing prepared from the yarn can effectively reduce female mammary gland disease incidence and has substantial effects of improving microcirculation, mitigating soft tissue pain and improving human body immunity.

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.

The invention discloses a wine to modify acid physique of human body, which comprises the following parts: 80-110wt% Chinese yam, 90-110wt% kudzu root, 60-90wt% oblongas, 20-50wt% haw, 40-70wt% Momordica grosvenori, 40-60wt% Cinnamomum cassia, 20-50wt% citron fruit, 10-30wt% peach kernel, 20-50wt% dried ginger, 20-50wt% amomum fruit, 10-30wt% jujube, 50-70wt% boxthorn fruit, 10-30wt% common fennel fruit, 5-20wt% honey and 8000-12000wt% rice wine, wherein these components are soaked in the rice wine for 1-3h to produce the product. The invention has comfortable wine taste and good taste, which can be health medical wine to drink for a long time, in order to modify acid physique of human body greatly.

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.

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.

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.

The invention discloses a method for synthesizing piperazine and derivatives of the piperazine through monoethanolamine gas-solid phase catalysis. According to the method, monoethanolamine is used as raw materials; acid activated montmorillonite or acid activated imvite loaded with phosphate is used as a catalyst; piperazine, triethylene diamine, N-ethylpiperazine and 2-ethylpiperazine are synthesized at ordinary pressure at 250 to 350 DEG C. The method is simple; the conditions are controllable; the used catalyst is low in cost and can be easily obtained; the catalytic activity is high; the stability is good; the conversion rate of monoethanolamine can reach higher than 99 percent; in addition, the piperazine, the triethylene diamine, the N-ethylpiperazine and the 2-ethylpiperazine with higher yield and high value can be obtained.