52results about How to "Short hydrolysis time" patented technology

The present invention discloses a retardance and low damage acid solution system for high temperature condensate oil gas reservoir acidification. The acid solution system is suitable for acidification modification of high temperature deep well, particularly condensate gas reservoir, and comprises the following components, by weight, 0.5-3 parts of hydrofluoric acid or 6-12 parts of fluoroboric acid, 8-10 parts of an organic ester, 0.01-0.05 part of a catalyst, 0.1-1 part of a corrosion inhibitor, 0.1-1 part of an iron ion stabilizer, 0.1-1 part of a clay stabilizer, 1-2 parts of a cleanup additive, and 80-100 parts of water. According to the present invention, effects of retardance and corrosion inhibition of the acid solution system can be well achieved at a high temperature, and water blocking can be released and acid solution backflow can be easily achieved with the finally produced methanol and the carbon dioxide.

The invention relates to a method of utilizing acidic mannase to hydrolyze refined konjac powder to prepare konjac oligosaccharide and belongs to the technical field of food processing. The method includes: utilizing beta-mannase to pre-prepare an enzyme solution, wherein 200-300IU of enzyme is added for each gram of konjac powder; hydrolyzing the refined konjac powder under conditions of 40-60 DEG C and pH 4.5-7.0 to form konjac mannan oligosaccharide suspension; hydrolyzing a mannan oligosaccharide water solution through immobilized yeast technology to remove monosaccharide to form a water solution mainly containing oligosaccharide; obtaining a clarified oligosaccharide solution after being treated by filtering and membrane technology; finally utilizing high-speed centrifugal spraying and drying equipment to spray and dry at the temperature of 180-210 DEG C to obtain a konjac oligosaccharide powder product. The method is short in hydrolysis time and low in energy consumption, yield of prepared konjac obligosaccharide is higher than 70%, and the product is high in purity, low in monosaccharide, good in healthcare effect and suitable for industrialized production.

The invention discloses a processing method of kitchen garbage. The processing method comprises the following steps of: transferring the kitchen garbage to hydrolyze in a hydrolyzing tank, transferring the hydrolyzed clinker aggregate to a crush presser to crush and squeeze, transferring the squeezed slurry body to an anaerobic digestion reactor for anaerobic digestion so as to finish the treatment on the kitchen garbage. The processing method provided by the invention can efficiently realize stabilization, harmlessness and minimization of the kitchen garbage, the unstable organic substance is fully stabilized, methane and water and the like are formed so as not to generate secondary pollution, and the minimization of organic matter in the garbage is effectively realized through a biogas slurry and biogas residue processing system; and generated methane after anaerobic digestion is used as a high-quality clean energy, and fixed material after crushing and squeezing is treated reasonably according to specific circumstances.

The invention discloses a method for rapidly preparing small peptide amino acids by microwave-assisted protein acid hydrolysis. The method comprises: in the microwave environment, performing hydrolysis on a mixed solution of a denatured protein raw material and hydrochloric acid and sulfurous acid, and performing centrifugation filtering, nanofiltration membrane deacidification and ultrafiltration separation to obtain small peptide amino acids with different molecular weight. The preparation method is mild in reaction conditions, short in production period, low in production cost and high in product recovery rate, realizes "three wastes (waste gas, waste water and industrial residue)" zero discharge, and is applicable to industrial production.

The invention belongs to the field of metal corrosion protection, and particularly relates to application of an MXene/silane surface composite silane film in metal corrosion protection. The method comprises the following steps: preparing and hydrolyzing an MXene/silane mixed solution, carrying out surface treatment on a metal sample, dipping the metal sample in a mixed silane hydrolysate, and curing to form a film. The MXene/silane surface composite silane film protective surface treatment technology is adopted, the defect that a single silane film is not compact is overcome, the operation iseasy, safety and environmental protection are achieved, diffusion of a corrosive medium can be effectively hindered by doping the MXene, and the corrosion resistance of the silane film is improved.

This invention provides one hydrolysis method to synthesize lithium alkyl, which comprises the following steps: containing the lithium powder filtered by lithium alkyl into its buffer tar; then pressing the lithium powder into hydrolysis tar through lithium powder metering pump to react with large amount of water under temperature of sixty degrees to control lithium powder quantative through hydrolysis temperature; the reaction temperature can be taken away by cooling water and thehydrocarbon solvent sent out are recycled by air condensation device. The method can prevent super heat without large range wave to realize the industry automatic control.

The invention discloses a method for rapidly preparing BiOBr nanoflowers with the assistance of water and application of the BiOBr nanoflowers, belonging to the field of synthesis of nanomaterials. The invention aims to solve the technical problems that conventional methods for preparing BiOBr is complex in process, high in cost, tedious in post-treatment and unfavorable for expanded production. According to the method, the BiOBr is rapidly prepared by adopting a two-step method with the assistance of water. The method comprises the following steps: adding bismuth nitrate pentahydrate into organic alcohol, carrying out sufficient stirring, adding a bromine source, continuing sufficient stirring, performing cooling after a solvothermal reaction to obtain a clear and transparent solution, then adding water to allow a white solid to quickly appear, filtering the obtained white solid, and cleaning and drying the white solid so as to obtain the BiOBr nanoflowers. The method has the advantages of simple preparation process, short reaction time, no need for addition of a surfactant, easiness in industrial production and the like.

The invention discloses a method for producing acid-hydrolytic casein, which takes milk coarse protein that is used to extract butter as raw material, and comprises following steps: selecting, disintegrating, dissolving, filtering, acidifying, washing, dewatering, drying, purifying and getting casein, hydrolyzing with 4-12mol/ l hydrochloride or sulfate or phosphoric acid at 90-100 Deg. C for 2-4 hours, condensing and washing repeatedly for 1-3 times, de-coloring with active carbon, exchanging with weak alkali or weak anion resin, spray drying at 120-160 Deg . C, and getting acid-hydrolytic casein. The invention is characterized by short hydrolysis time, simple process, short time for whole process of about 8-10 hours, reduced production period and cost, and suitability for mass industrial production.

The invention discloses a preparation method and application of a BiOI nanoflower with a three-dimensional layered structure, belonging to the field of nanomaterial synthesis. The invention aims to overcome the defects of relatively complex operation conditions, relatively tedious process, difficulty in control of reaction conditions, high cost, tedious post-treatment, inconvenience in expanded production and the like in traditional BiOI preparation methods. The preparation method disclosed by the invention comprises the following steps: adding bismuth nitrate pentahydrate into organic alcohol, carrying out uniform mixing under stirring, adding HI with equal molar weight, continuing stirring for a certain period of time, carrying out a solvothermal reaction to obtain a clear transparent solution, adding a proper amount of water to quickly generate yellow solid, filtering the obtained yellow solid, and carrying out cleaning and drying to obtain the BiOI nanoflower. The method has the advantages of simple preparation process, short reaction time, no need for a surfactant, easiness in industrial large-scale production and the like. The BiOI nanoflower disclosed by the invention is used as a photocatalyst.

The invention relates to a microwave hydrolyzer, comprising a hydrolysis tank, a washing tank, a stander and an instrument panel. The hydrolysis tank comprises a tank body, a tank cover, microwave generators and a blender. The microwave hydrolyzer is characterized in that microwave generators are arranged at the periphery of the tank body of the hydrolysis tank in a spiral way, the hydrolysis tank and the washing tank are connected by a valve and respectively arranged on the stander. The device has simple operation, low energy consumption, comparatively reduced acid amount, short hydrolysis time, high yield and little pollution. When microwave irradiates, connecting keys among molecules under 24 billion times of oscillation are liable to relaxation, another material polar molecule is oscillated by microwave at high speed to generate heat, steam generated from heat in an airtight vessel accumulates to generate pressure, organic compound is hydrolyzed rapidly and thoroughly under the combined action of microwave, weak acid and pressure.

The invention discloses a process for producing amino acid from blood of slaughtered livestock and poultry and belongs to the technical field of biochemistry. The process comprises the following steps: (1) filling blood in a storage tank under normal temperature and normal pressure, and transporting or intensively storing the blood; (2) treating the raw material of the blood, mixing coagulated plasma with water according to a ratio of 8 to (1.5-3), stirring for more than 20 minutes by using an OH radical multistage pump, wherein the OH radical can effectively break blood cell membranes; (3) filtering the raw material via a filter net, feeding the raw material into a reaction tank for carrying out hydrolysis reaction under the reaction temperature of 45-60 DEG C, mixing the raw materials with water according to a ratio of 7 to (2.5-3.5), stirring at a pH value of 7.3-7.6, and carrying out hydrolysis reaction for 5-7 hours via 0.3-0.5% by mass of protein hydrolase; (4) forming amino acid after enzymatic hydrolysis reaction, and filtering foreign matters in the amino acid for twice via a 200-250-mesh filter net; (5) carrying out sterilization treatment; and (6) feeding the amino acid into the storage tank for storing, and packaging. The process for producing amino acid from blood of slaughtered livestock and poultry has the advantages that the pollution is completely avoided, the blood nutrition is not lost, the amino acid is not broken, the hydrolysis time is short, the investment is low, and the production cost is low; therefore, the process is simple and efficient.

The invention provides a continuous hydrolyzing device. The continuous hydrolyzing device comprises a reboiler, a rectifying tower and a condenser. A catalyzing section is arranged in the rectifying tower and provided with a sold acid catalyst, a material feeding port is formed in the catalyzing section on the rectifying tower, the reboiler is communicated to the catalyzing section, and the condenser is communicated to the top of the rectifying tower. The continuous hydrolyzing device has the advantages of being capable of carrying out continuous reactions, small in occupied area, short in hydrolyzing time, capable of reducing energy consumption and reducing potential safety hazards and the like.

The invention provides a method for detecting the content of sialic acid in milk powder or whey powder, which comprises the following steps: dissolving milk powder or whey powder in water to obtain an aqueous solution; adding an acid solution to the aqueous solution to obtain a milk powder acid solution or a whey powder acid solution; heating the milk powder acid solution or the whey powder acid solution for hydrolysis to obtain milk powder hydrolysate or whey powder hydrolysate; performing centrifugal separation on the milk powder hydrolysate or whey powder hydrolysate to obtain a milk powder supernatant or a whey powder supernatant; diluting the whey powder supernatant, and filtering to obtain whey powder filtrate; or carrying out solid-phase extraction on the milk powder supernatant, leaching with water, eluting with a sodium chloride solution, and collecting to obtain a milk powder eluent; diluting and filtering the whey powder filtrate or the milk powder eluent to obtain filtrate; and determining the filtrate by using a high performance anion exchange chromatography-electrochemical detector. The method disclosed by the invention is simple to operate, and can be used for accurately, qualitatively and quantitatively analyzing N-acetylneuraminic acid in whey powder and milk powder.