Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

10229results about How to "High extraction rate" patented technology

Preparation method of raw dendrobium officinale pulp beverage

The invention discloses a preparation method of a raw dendrobium officinale pulp beverage. The preparation method comprises the following steps of: (1), baking a fresh dendrobium officinale branch to be purple, adding water to the baked fresh dendrobium officinale branch for pulping, so as to obtain a primary serous fluid; (2), carrying out insulation treatment on the primary serous fluid, boiling and filtering the primary serous fluid, so as to obtain filter residue; (3) adding water to the filter residue for pulping, boiling and filtering the filter residue again to obtain the filter residue, repeating the sub-steps for a plurality of times, adding water to the final filter residue for the pulping, so as to obtain secondary serous fluid; (4), adding a cellulolytic enzyme into the secondary serous fluid for carrying out enzymolysis, so as to obtain an enzymolysis solution; (5) boiling and filtering the enzymolysis solution, to obtain the filter residue; (6) adding water into the filter residue for the pulping, boiling and filtering the filter residue again, to obtain the filter residue, and repeating the sub-steps for a plurality of times; (7) mixing all the filter solutions, boiling and sterilizing the mixed filter solution, so as to obtain the raw dendrobium officinale pulp beverage. The preparation method provided by the invention has the advantages that dendrobium officinale is baked, the filter residue is subjected to enzymolysis treatment, the extraction rate of functionality polyose and flavone is improved, the content of dietary fiber in the beverage is increased, and the prepared beverage color is bright and stable.
Owner:ZHEJIANG UNIV +1

Process for abstracting earth silicon, oxide of alumina and gallium oxide from high-alumina flying ash

A method for extracting silicon dioxide, alumina and gallium oxide from high-alumina fly ash relates to the technology fields of environmental mineralogy and material, chemical industry and metallurgy. The method comprises the main steps as follows: causing the high-alumina fly ash to react with sodium hydroxide solution; filtering the solution; introducing CO2 to the filtrate for full gelation; cleaning, purifying, drying, grinding and calcining the silica gel after gel filtration to obtain finished white carbon black; adding limestone and a sodium carbonate solution into the filter mass after the reaction and filtration of the high-alumina fly ash and the sodium hydroxide solution; ball grinding the mixture into raw slurry; dissolving out the clinker obtained by baking the raw slurry; subjecting the filtrate to deep desiliconization to obtain sodium aluminate extraction liquid; filtrating the sodium aluminate extraction liquid after subjecting the sodium aluminate extraction liquid to carbon dioxide decomposition; baking the aluminum hydroxide after washing the filter mass to form the aluminum hydroxide product; and extracting the gallium oxide from the carbon dioxide decomposition mother solution and desiliconized solution. The method has the advantages of low material price, simple operating procedures, low investment, low production cost, low energy consumption and less slag.
Owner:TSINGHUA UNIV +1

Subcritical liquid extraction device and subcritical liquid extraction method of active ingredients of natural products

The invention provides a subcritical liquid extraction device and a subcritical liquid extraction method of active ingredients of natural products, relating to a device and a method for extracting active ingredients of natural products. The device comprises a control system part and a leaching system part, wherein the leaching system part comprises an extraction tank 1, an evaporating tank 2, a buffer tank 3, a condenser 4, a solvent tank 5, an ultrasound generating device 11, a vacuum pump 9, a fire arrester 10, a compressor 8, a hot water pump 7 and a hot water box 6; the control system partcomprises a leaching temperature controller, a leaching time controller, a leaching frequency controller, a material dissolving ratio controller, an exsolution temperature regulation controller, an exsolution pressure feedback controller, an electric appliance controller of the device and an excess-temperature excess-pressure leaking alarm. The method can select different subcritical extraction media according to different extraction products, combines a subcritical liquid extraction technology and an ultrasonic extraction technology to increase extraction rate and reduce extraction time andis a new high-efficiency low-consumption environment-friendly technology for extracting active ingredients of natural products.
Owner:HENAN YALINJIE BIOLOGICAL TECH

Method for preparing metallurgy-level aluminum oxide by using fluidized bed pulverized fuel ash

The invention discloses a method for preparing metallurgy-level aluminum oxide by using fluidized bed pulverized fuel ash as a raw material. The method comprises the following steps of: a) grinding the pulverized fuel ash, and removing iron by a wet magnetic separation method; b) reacting the pulverized fuel ash subjected to magnetic separation with hydrochloric acid to obtain hydrochloric acid immersion liquid; c) allowing the hydrochloric acid immersion liquid to pass through a large pore type cation resin column for further iron removal to obtain refined aluminum chloride solution; d) concentrating the refined aluminum chloride solution, and crystallizing to obtain an aluminum chloride crystal; and e) calcining the aluminum chloride crystal and decomposing to obtain the metallurgy-level aluminum oxide. The method has a simple process and an easily-controlled production process, and is high in aluminum oxide extraction efficiency, low in production cost and stable in product quality.
Owner:CHINA SHENHUA ENERGY CO LTD

Method for non-saponification extraction and separation of light rare earth elements

The invention discloses a method for non-saponification extraction and separation of light rare earth elements. After a compound extraction agent consisting of acid phosphorus type extraction agent, alkaline amine type extraction agent and solvent oil is mixed with phosphate solvent or organic alcohol solvent at 30-70 DEG C, chlorinated light rare earth liquid is extracted and separated; and the water washing and the hydrochloric acid reverse extraction are performed to finally realize the separation of La, Ce, Pr and Nd; and a mixed organic phase after the reverse extraction is returned to an extraction tank for recycling. The method pretreats the mixed organic phase consisting of the compound extraction agent and the solvent, so that such defects as high viscosity, weak mobility, easy emulsification and long phase splitting time are overcome; the method has no need to saponify the acid phosphorus type extraction agent, so that no alkali liquor consumption and no waste water emission in the extraction process are realized, but the separation capacity of a saponification extracting agent system is achieved, and the extraction grade is reduced compared with that needed by the saponification extracting agent system; and the method is a rare earth element separation process with economy and high efficiency.
Owner:GUANGXI NORMAL UNIV

Technique for extracting active component of Enteromorpha prolifera and method for preparing Enteromorpha prolifera seaweed fertilizer

The invention provides effective technology for extracting active ingredients of Entermorpha and a method for preparing an Entermorpha alga fertilizer. The method is characterized by comprising: taking the Entermorpha as a raw material, effectively extracting the active ingredients of the Entermorpha through technical processes such as pretreatment of raw materials, leaching, neutralization, concentration and combination, taking an extracting solution as a base fluid, combining the extracting solution with at least one composition of humic acid, urea, potassium dihydrogen phosphate, potassiumsulfate, monoammonium phosphate and microelement, and preparing the high-activity Entermorpha alga fertilizer. The Entermorpha alga fertilizer is rich in active substances of algae, not only can strengthen photosynthesis of crops, increase the yield of the crops and improve the product quality but also can strengthen the cold resistance, the drought resistance, the stress resistance and the disease resistance of the crops, promote earliness of the crops and increase the fertile flower percentage and the fertile fruit percentage, has lower production cost, good solubility and safe use, is friendly and harmless to human beings, domestic animals and the natural environment, and is a novel environment-friendly fertilizer suitable for modern agriculture.
Owner:青岛海大生物集团股份有限公司

Ultrasonic reinforced subcritical water extraction method of natural product effective ingredient and device

The invention provides an extraction method and a device used for extracting ultrasonic reinforced sub-critical water of effective component of a natural outcome. The method is mainly characterized in that a pre-disposed raw material is arranged in an extraction kettle; the sub-critical water is taken as an extraction solvent to carry out the exaction under the conditions of 1 to 20MPa of extraction pressure, 50 to 500W of ultrasonic power and 20 to 80KHz of ultrasonic frequency. The method has high extraction efficiency and short extraction time. The device is mainly characterized in that the extraction kettle is provided with an ultrasonic reinforced part which comprises an ultrasonic generator and an energy changing head; the ultrasonic generator is arranged on the external surface of the extraction kettle and at the upper part of the extraction kettle; the energy changing head and the extraction kettle cover are processed into a whole; the piezoelectric ceramic wafer of the energy changing head is arranged at the upper end of the extraction kettle cover; the variable-spoke rod of the energy changing head is directly arranged in the extraction kettle by the extraction kettle cover. The device can carry out selectable exaction of the articles to be extracted by changing the extraction parameters (temperature, pressure, time, etc.), thus realizing static extraction or dynamic circulation extraction.
Owner:SOUTH CHINA UNIV OF TECH

Method for extracting and purifying cannabidiol from China-hemp

The invention belongs to the technical field of extraction and purification of plant ingredients and particularly relates to a method for extracting and purifying cannabidiol from China-hemp. In the method, an ingredient of cannabidiol is extracted from floral leaves in a mature period of the China-hemp according to a supercritical CO2 extraction technique, a cannabidiol extract is further purified by macroporous adsorbent resin and a rapid purification system, a cannabidiol content of an obtained product is 98% or higher, and the cannabidiol product does not contain a psychotoxic ingredient tetrahydrocannabinol. According to the method, a chemical organic solvent is not used in an extraction process, so that the method is environment-friendly and is low in toxicity and high in efficiency; the loss of cannabidiol in an adsorption elution process is reduced in a purification process, so that the impurity ingredients such as tetrahydrocannabinol and the like are effectively removed, and the use of an organic regent is decreased, so that the purification cost is lowered, and the environmental pollution is reduced. The product is high in yield and purity, and the requirement for development of a value-added product of the China-hemp, in particular to the market requirement of the active ingredient of the cannabidiol product in the China-hemp, can be met, and especially, the cannabidiol product has the great application advantage in the pharmaceutical field.
Owner:DAQING BRANCH OF HEILONGJIANG ACAD OF SCI

Method for decomposing vanadium slag under normal pressure with sodium hydroxide solution

The invention relates to a method for extracting vanadium by decomposing vanadium slag under normal pressure with sodium hydroxide solution. The method comprises the following steps of: adding vanadium slag or preprocessed vanadium slag, water and NaOH into a normal pressure reactor, wherein the mass ratio of NaOH to the vanadium slag is (2-6): 1, and the mass concentration of the sodium hydroxide solution is 65-90wt%; oxidizing in the presence of an oxidizing gas at the temperature 180-260 DEG C for 0.5-6 hours, and then diluting the obtained reaction sizing agent with diluent, thus mixed sizing agent containing sodium hydroxide, sodium vanadate, sodium chromate and slag tailing is obtained; and filtering and separating the mixed sizing agent at the temperature of 80-130 DEG C, thus the slag tailing and aqueous solution containing vanadium are obtained. The method provided by the invention has the advantages that the operating temperature is below the boiling temperature of solution, the process can be carried out under normal pressure, the operation is easy, and the safety is good; and the operating temperature is far less than the operating temperature of the traditional vanadium extracting process, the extraction ratio of vanadium is high, and the total vanadium content in the slag tailing is 0.5-1wt% (taking the weight of V2O5 as the basis).
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

High-pressure pneumatic blasting pressure relieving and transmission increasing method

ActiveCN102852506ARealize pressure relief and anti-reflectionRelief and anti-reflection achieveDisloding machinesFluid removalEngineeringHigh pressure water
The invention provides a high-pressure pneumatic blasting pressure relieving and transmission increasing method, comprising the steps of constructing a blasting drill hole in a coal layer, and carrying out high-pressure water jet seam cutting operation in the blasting drill hole at intervals, so that a lead seam groove is formed in a coal body around the blasting drill hole; feeding a blasting steel pipe with plugged top part into the blasting drill hole, forming a plurality of air vents at the front part of the blasting steel pipe, and sealing a section inside a hole opening of the blasting drill hole by 8-10 m, so as to form a cement plug; and connecting the blasting steel pipe with a high-pressure air station through a pipeline at the exposed end of the blasting steel pipe, and opening a valve arranged on the pipeline to inject high-pressure gas, so that the high-pressure gas is jetted by the blasting steel pipe from the air vents. On the basis of forming cracks and fractures formed in the fractures and cutting grooves of the original coal body, the high-pressure gas instantly impacts the blasting effect, so that the cracks and the fractures can be continuously expanded, and a lot of new fractures can be generated. Finally, a mutually communicated large fracture screen is formed in the coal body by using the blasting drill hole as a center, so that the purpose of pressure relief and transmission increase of the coal body can be realized. Furthermore, the high-pressure pneumatic blasting pressure relieving and transmission increasing method has the advantages of simple operation, easiness of realization and obvious effect.
Owner:CHINA UNIV OF MINING & TECH

Preparation method of ganoderma lucidum polysaccharide with high yield

The invention discloses a preparation method of ganoderma lucidum polysaccharide with high yield, which comprises the following steps: firstly, crushing ganoderma lucidum fruiting bodies into ganoderma lucidum powder, then sequentially extracting the ganoderma lucidum powder by adopting a microwave-assisted hot water extraction method and an ultrasonic-assisted hot water extraction method, and carrying out concentration, impurity removal, concentration, alcohol precipitation and drying on the obtained extracting solution to obtain water-soluble ganoderma lucidum polysaccharide; and extracting the ganoderma lucidum residues by adopting an alkali extraction method, and carrying out neutralization, dialysis, concentration, impurity removal, alcohol precipitation and drying on the obtained extracting solution to obtain alkali-soluble ganoderma lucidum polysaccharide. The method is used for extracting the ganoderma lucidum polysaccharide by combining microwave heating action and ultrasonic cavitation and extracting the alkali-soluble polysaccharide in the ganoderma lucidum by utilizing the alkali extraction method, thereby reducing the loss of the ganoderma lucidum polysaccharide; and the prepared ganoderma lucidum polysaccharide has the characteristics of high production yield, strong immunological activity and the like.
Owner:INFINITUS (CHINA) CO LTD

Method for efficiently extracting lithium from salt lake brine

The invention relates to a method for efficiently extracting lithium from salt lake brine. The method comprises the following steps: (1) forming an extraction organic phase by an extraction agent, a co-extraction agent and a diluent, and then mixing the extraction organic phase with salt lake brine according to the volume ratio of (3-4):2 for three-stage extraction with single extraction time being 2-10 minutes to obtain an organic phase; and (2) mixing the organic phase obtained in step (1) with a reverse extraction acid solution (0-1 mol/L) for three-stage reverse extraction with single reverse extraction time being 2-10 minutes, and collecting an aqueous phase which is an aqueous solution containing lithium ions. The co-extraction agent of an extraction system of the method is hydrophobic ionic liquid, compared with conventional synergist ferric trichloride, the interference caused by iron ions is avoided, the reverse extraction acidity is greatly reduced, more importantly the lithium-magnesium separation factor is significantly improved, and the elution step of magnesium ions is reduced; in addition, the method provided by the invention is easy in process, easy to control, high in operation reliability, and good in recyclability of the organic phase, and greatly reduces the production cost for extracting the lithium from the salt lake brine.
Owner:TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Refection reducing and outburst eliminating method for deep-hole hydraulic fracture driving gas shallow hole extraction

The invention discloses a refection reducing and outburst eliminating method for deep-hole hydraulic fracture driving gas shallow hole extraction. The method comprises the following steps of: gradually and alternately constructing hydraulic fracture holes and gas extraction holes in the coal bed direction in a coal mining working face tunnel, an airway or a tunneling working face, and performing high-pressure water injection and gas extraction; stopping injecting water after the water is injected into the hydraulic fracture holes for 0.5 to 5 hours, and changing gas extraction pipe joints to extract gas; after the hydraulic fracture hole or gas extraction concentration is lower than 5%, changing water injection pipes to perform static pressure water injection; and when the coal mining working face is recovered to the position 5 meters away from the static pressure water injection holes or the tunneled working face is tunneled again, stopping a pump or closing a static pressure water valve to stop water injection. According to the method, refection reduction of the gas-containing coal bed is realized, the gas extraction rate is improved, the gas in the mining space is effectively prevented from exceeding the limit, outburst risks of coal and gas are reduced, and safe and efficient recovery of coal is ensured. The method is simple and good in effect.
Owner:CHINA UNIV OF MINING & TECH +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products