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

112results about How to "High quality content" patented technology

Heavy hydrocarbon hydrogenation combined process

The invention discloses a heavy hydrocarbon hydrogenation combined process which comprises: (a) heavy hydrocarbon raw material and a gas-phase outflow substance from the fixed bed hydrogenation reaction are mixed and enter a boiling bed hydrogenation reactor; (b) the gas-phase outflow substance from the boiling bed hydrogenation reaction in the step (a) is subjected to hydrogen sulfide removal and then used for the fixed bed hydrogenation reaction of the gas-phase outflow substance of the boiling bed hydrogenation reaction in the step (a); and (c) the gas-phase outflow substance of the fixed bed hydrogenation reaction in the step (b) is directly used for the boiling bed hydrogenation reaction process in the step (a), and the liquid-phase outflow substance of the fixed bed hydrogenation reaction in the step (b) is fractionated to obtain a gasoline fraction, a diesel fraction and unconverted tail oil. In the combined process, the boiling bed technique and the fixed bed technique are combined by fully considering the technical characteristics of the boiling bed and the fixed bed as well as the features of the reaction materials, thereby providing a new operation mode which is flexible, efficient and energy-saving; and on the premise of ensuring the smooth operation of the device, the reaction heat is fully utilized, high product quality is provided, and the operational process can be flexibly adjusted according to the requirements of refineries.
Owner:CHINA PETROLEUM & CHEM CORP +1

Hydrogenation method of heavy hydrocarbon multi-segment fluidized bed

The invention discloses a hydrogenation method of a heavy hydrocarbon multi-segment fluidized bed. The technical process comprises the steps of: mixing thick heavy hydrocarbon raw materials with gas phase material flow which is discharged from a fluidized bed hydrogenation-desulfuration reactor and a hydrogenation-denitrification reactor to enter into a hydrogenation-demetalization reactor; cooling and purifying reacted gas phase material flow to be taken as recycle hydrogen; mixing the demetallized liquid phase material flow with hydrogen to enter into the fluidized bed hydrogenation-desulfuration reactor; mixing the desulfurated liquid phase material flow with hydrogen to enter into the hydrogenation-desulfuration reactor; and leading the denitrified liquid phase material flow to enter into a separating device. The technology adopts a new reactor assembly mode to machine heavy oil raw materials with high viscosity and bad quality, can provide a new flexible, high-efficiency and energy-saving operation mode, organically combines the performances of the raw materials with the characteristic of each hydrogenation reaction, makes full use of reaction heating on the premise that a device is guaranteed to be stably operated, provides a product with good quality, and can flexibly adjust the operation process according to the requirement of a refinery.
Owner:CHINA PETROLEUM & CHEM CORP +1

Potassium chloride and ammonium nitrate double decomposition and circulation method for producing high quality potassium nitrate

The invention discloses a potassium chloride and ammonium nitrate double decomposition and circulation method for producing high quality potassium nitrate. According to the method, potassium chloride and ammonium nitrate are taken as the raw materials, and the method comprises steps of raw material preparation, potassium nitrate crystallization, foam floatation and separation, potassium nitrate refinement, and ammonium chloride crystallization. The method is developed on the basis of conventional potassium nitrate production technology by improving part of the technology; wherein in the foam flotation and separation technology, in the presence of a floatation reagent (C12-C20 higher straight-chain aliphatic amine) and in a certain pH value range, the ammonium chloride and coarse potassium nitrate can be separated through foam entrainment; in the potassium nitrate refinement, the refined potassium mother liquid in the previous circulation is used to wash the coarse potassium nitrate, and then potassium nitrate is purified by sodium carbonate. In one aspect, the conventional potassium nitrate production technology is optimized, the potassium nitrate quality is improved, and the impurity content of the potassium nitrate product is greatly reduced. In the other aspect, the water using amount is reduced, the labor intensity is also reduced, and the production cost is saved. The industrial grade KNO3 mass content is not less than 99.7%, the content of Cl<-> is not more than 0.01%, and the content of NH4<+> is not more than 0.03%. the method has a wide application value and can generate prominent social benefit and economic benefit.
Owner:湖南丹化农资有限公司

Protein-free momordica grosvenori pure-flavor concentrated juice and production method thereof

The invention relates to a protein-free momordica grosvenori pure-flavor concentrated juice and a production method thereof. The production method comprises the following steps: (1) after washing thefresh momordica grosvenori, squeezing the momordica grosvenori, extracting the pomace with ice water, and merging the juice and an ice water extract; (2) adjusting the pH value to alkaline, adding a protease preparation, performing enzymatic hydrolysis, heating and boiling the material, cooling the material, and performing centrifugation; (3) passing the material through a cation exchange resin column, and collecting an effluent; (4) passing the material through an anion exchange resin column, collecting the effluent, and concentrating the product. The concentrated juice obtained by the methodhas a protein content of less than 0.1%, a mass content of mogroside V as high as 4.53%, and a yield of up to 98%; The obtained concentrated juice is light yellow transparent and thick liquid, the smell is fragrant, the taste is sweet and saturated, no odor is generated, the sugar content is as high as 68 brix, and the sweetness is close to that of sucrose; The production method has the advantages of strong operability, safety, environmental protection and no pollution, and is suitable for industrial production.
Owner:HUNAN HUACHENG BIOTECH

Puerarin-rich instant arrowroot and preparation method thereof

The invention discloses puerarin-rich instant arrowroot and a preparation method thereof, and belongs to the technical field of agricultural product processing. The puerarin-rich instant arrowroot comprises the following ingredients: 80-95 parts by weight of arrowroot starch, 2-20 parts by weight of arrowroot water extract, and 0.01-0.1 part by weight of sucralose. The preparation method comprises the following steps: uniformly mixing a sucralose water solution and the arrowroot starch according to the ratio; adjusting the water content to 11-13%; performing puffing cooking, wherein the puffing temperature is 135-145 DEG C and the puffing speed is 0.5-1 m/min; drying, wherein the drying temperature is 80-90 DEG C and the drying duration is 2-5 h; smashing, and screening with a 80-100 meshed sieve to obtain instant arrowroot starch; uniformly mixing the arrowroot water extract and the instant arrowroot starch according to the ratio; pelletizing through a drying method; smashing, and screening with a 60-80 meshed sieve to obtain puerarin-rich instant arrowroot. The puerarin mass content of the instant arrowroot provided by the embodiment of the invention is larger than 15 mg/g, and the puerarin-rich instant arrowroot has a good taste, and a good appearance, and is good in instant property.
Owner:HUBEI HONGYUAN PHARMA

Multistage hydrogenation method for heavy hydrocarbon

The invention discloses a multistage hydrogenation method for heavy hydrocarbon. The method comprises the following technical steps of: mixing a condensed heavy hydrocarbon raw material and a gas phase material flow discharged from a hydrogenation desulfurization reactor and a hydrogenation denitrification reactor, and putting the mixture into a boiling bed hydrogenation demetalization reactor; cooling and purifying the reacted gas phase material flow and taking the cooled and purified reacted gas phase material flow as recycled hydrogen; mixing a liquid phase material flow subjected to the boiling bed demetalization reaction and the hydrogen, and putting the mixture into the hydrogenation desulfurization reactor; mixing the liquid phase material flow subjected to the desulfurization reaction with the hydrogen, and putting the mixture into the hydrogenation denitrification reactor, wherein at least one of the hydrogenation desulfurization reactor and the hydrogenation denitrification reactor is a fixed bed reactor. Compared with the prior art, the method provides a novel flexible, efficient and energy-saving operating mode for treating inferior heavy and residual oil raw materials; the property of the raw materials is organically combined with characteristics of the hydrogenation reactions, so the reaction released heat is fully used, the quality of the product is perfect and the operation process can be flexibly adjusted as required on the premise of guaranteeing the stable operation of a device.
Owner:CHINA PETROLEUM & CHEM CORP +1

Method for separating water-soluble dietary fiber and collagen from siraitia grosvenorii waste liquid

The invention discloses a method for separating water-soluble dietary fiber and collagen from siraitia grosvenorii waste liquid, comprising the following steps: (1) adjusting the pH value of siraitiagrosvenorii production waste liquid to neutrality, adding a protease preparation, and performing heating, heat preservation and enzymolysis to obtain enzymatic hydrolysate; (2) filtering with an ultrafiltration membrane, and collecting ultrafiltration membrane permeate; (3) performing chromatography using a sephadex chromatographic column, collecting effluent, concentrating under reduced pressure,and drying to obtain water-soluble dietary fiber; (4) eluting, by using an eluent, the sephadex chromatographic column after the effluent is collected, filtering the effluent through a nanofiltrationmembrane, collecting nanofiltration membrane retentate, concentrating under reduced pressure, and freeze drying to obtain nano collagen. The mass content of the siraitia grosvenorii water-soluble dietary fiber product obtained by the method of the invention is as high as 97 percent, the yield is as high as 95.1 percent, the purity of the obtained siraitia grosvenorii nano collagen product is as high as 92 percent, and the total protein recovery rate is as high as 90.0 percent; the method of the invention is strong in operability, low in cost, and suitable for industrial production.
Owner:HUNAN HUACHENG BIOTECH

Nutrient soil used for planting of ornamental tree seedlings

The invention discloses nutrient soil used for planting of ornamental tree seedlings. The nutrient soil is prepared by the following steps of S1, pretreatment S2, composting fermentation, S3, decomposing; S4, detection and S5, granulation, wherein, in the step S1, municipal domestic sludge is crushed, and the crushed municipal domestic sludge passes through a 300-500 mesh screen to remove large granules in the domestic sludge; in the step S2, deodorized sludge is dewatered to a first water content ratio, active microorganisms are added into the dewatered deodorized sludge, straw and biologicalcarbon are put into the dewatered deodorized sludge, and temperature is controlled to be first temperature and fermentation is performed for second time; in the step S3, fermented sludge prepared inthe step S2 is dewatered to a second water content ratio; in the step S4, the content of phosphorus, acid and potassium and the content of organic matter in nutrient soil are detected, and the nutrient soil is adjusted by adding lots of elements including the phosphorus, the acid, the potassium and the like; and in the step S5, the adjusted nutrient soil is put into a granulator and is made into granules. The nutrient content of the prepared nutrient soil is 2-3 times more than that of common soil; the nutrient soil is green and environment-friendly; and when the nutrient soil is used for agriculture and forestry production, production efficiency can be greatly increased, and the economic income is increased.
Owner:滁州联润生态农业发展有限公司

Method for producing instant calcium caseinate from food-grade casein

The invention relates to a method for producing instant calcium caseinate from food-grade casein. The instant calcium caseinate with high content of calcium is produced by treating the food-grade casein which is used as the raw material, adding an emulsifier and drying. The method comprises the following steps: (1) dissolving: preparing the raw material which is the food-grade casein into a solution with the mass concentration of 4-10%, adding the food-grade aqueous ammonia slowly to adjust the pH value to 5.5-8.0, and stirring continuously to dissolve the casein; (2) converting: preparing the calcium hydroxide powder into a suspension, and adding the suspension into the solution of the dissolved casein, wherein the mass of the calcium hydroxide powder is 1.5-2.5% of that of the casein; (3) emulsifying: adding water-soluble soya bean lecithin after converting, and mixing uniformly; (4) grinding by using a colloid; (5) sterilizing; (6) homogenizing by using a homogenizer with the homogenizing pressure of 20-30Mpa; and (7) drying by spraying to obtain the finished product which is the instant calcium caseinate. The instant calcium caseinate has a pure color, good solubility and high content of protein and calcium, thereby being a good protein and calcium supplement.
Owner:甘肃华羚生物技术研究中心
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