37results about How to "Reduce degradation loss" patented technology

The application of the invention provides an environmentally-friendly paper making and pulping technique with high yield, which comprises a raw material preprocessing stage, a physical fibrillation impregnating processing stage, an impregnating, steaming and bleaching three-section integrated pulping stage and a thickening and dewatering processing stage. An environmentally-friendly paper making and pulping system with high yield realizing the pulping technique comprises a stock cutter, a hammering and fibrillation screening dust remover, a washing dust remover, dewatering conveying equipment, a spiral steaming conveyor, a crashing, extruding and impregnating machine, a stirring and impregnating cabin, a pump pipe and a discharge pipe of a high-enriched steaming, bleaching and pulping all-in-one machine, wherein the pump pipe is connected to the high-enriched steaming bleaching pulping all-in-one machine; the discharge pipe of the high-enriched steaming, bleaching and pulping all-in-one machine is connected to a pulp cabin; the pump pipe of the pulp cabin is connected with a thickening and dewatering machine; the thickening and dewatering machine is output to the high-enriched pulping machine; the output of the high-enriched pulping machine is connected with a screening purifier and a thickening and squeezing machine in sequence. In the invention, the problems of high pollution, high energy consumption, serious shortage of paper making raw material and the like in present pulping and paper making industry can be solved fundamentally; rich plant fiber in the nature can be used, and the technical purposes of efficient bleaching, high yield, no black liquor and low energy consumption can be realized.

The invention relates to an absorbing agent for catching or separating carbon dioxide from gas mixture, which mainly comprises the components by weight percent: 10-50wt% of N-ethylethanolamine, 10-40wt% of tetramethylene sulfone and balance water. The absorbing agent adopts the N-ethylethanolamine as effective component, and the N-ethylethanolamine has high solubility for low-pressure carbon dioxide, good desorbing effect, lower reaction heat of absorption reaction and lower energy consumption for catching or separating the carbon dioxide; and as the 3-dimethyl amino-1-propyl alcohol has the functions of improving the desorbing effect and reducing the volatilization of water, so that the energy consumption of desorbing is further reduced. The absorbing agent can be used for catching or separating the carbon dioxide in various gas mixtures such as flue gas, refinery gas, natural gas, synthesis gas, shift gas, hydrogen preparation gas and the like.

The invention discloses a sample extraction method for research on tissue sample metabolomics and lipidomics. The sample extraction method for research on tissue sample metabolomics and lipidomics comprises the following steps: adding a trace amount of tissue sample into a pre-frozen methanol-aqueous solution in advance, performing low-temperature bead collision and homogenization, centrifuging totake supernatant for research on metabolomics, adding pre-frozen tert-butyl methyl ether into tissue residues, and homogenizing again and centrifuging for research on lipidomics. Hydrophilic and lipophilic endogenous metabolites can be extracted simultaneously through a trace amount of tissues and are applied to research on metabolomics and lipidomics correspondingly. Compared with the method reported by literatures, the method has the following advantages: extraction is conducted separately through two steps, so that the technical problems that lipid full spectrum coverage is difficult to realize by a single extraction system in the processes of extracting by a mixed solvent through one step and then extracting the hydrophilic and lipophilic metabolites through two-phase separation as well as part of the hydrophilic metabolites is distributed to a lipid extraction layer in the phase separation process are avoided; meanwhile MTBE extraction has higher lipid extraction efficiency and more convenient experimental operability than those of dichloromethane-methanol.

The invention discloses a method for reducing loss of anthocyan of blueberry fruit juice in a processing course. The method comprises the following steps of (1) cleaning blueberries, and performing mashing to obtain blueberry slurry; (2) regulating the pH value of the blueberry slurry, adding zinc lactate, malic acid, glutathione, tea polyphenols and a grape seed extract to the blueberry slurry, and then adding complex enzymes; (3) after performing enzymolysis on the blueberry slurry, performing filtering, adding cane sugar, lactose, sodium citrate, trehalose, beta-cyclodextrin, arabic gum, xanthan gum and sodium carboxymethyl cellulose and performing allocation; (4) homogenizing the allocated fruit juice, and then performing vacuum degassing; and (5) sterilizing the degasses blueberry fruit juice and performing filling. In accordance with special functional components of the anthocyan in the blueberries, in the processing course of the blueberry fruit juice, in two respects that processing factors are controlled, and the self molecular structure stability is improved, the degradation loss of the anthocyan in the blueberries is reduced, the efficacy is reserved, the color deterioration is alleviated, the product quality is improved, and a blueberry fruit juice product high in anthocyan content is developed.

The invention discloses a method for preparing ageratum oral liquid. The active ingredients of most of prescription medicinal crops are extracted by using a membrane press filtration, cyclic extraction and separation integrated technology in place of a reflux method, a decoction method and a warm immersion method. A process flow can be simplified, the production period can be greatly shortened, energy can be saved, environmental protection and waste residue utilization can be facilitated, and the recovery rate of the active ingredients can be greatly increased.

The invention relates to a preparation method of salvianolic acid Y. The method comprises the following steps: step 1, salvianolic acid Y enrichment: taking a salvianolic acid extract, dissolving thesalvianolic acid extract with water, and adding the salvianolic acid extract solution into an MCI-GEL chromatographic column, conducting eluting with a 10%-20% ethanol aqueous solution, adjusting thepH value of the eluate, adding the treated eluate into an MCI-GEL chromatographic column, conducting eluting with 70-95% ethanol, recovering a solvent, and conducting concentrating to dryness to obtain a salvianolic acid Y enriched product; and step 2, fine separation: completely dissolving the salvianolic acid Y enriched product by a mobile phase with a mass-volume ratio of 2-3 times, conductingliquid phase separation by adopting dynamic axial pressurization, using an HPLC (High Performance Liquid Chromatography) method to detect and combine the eluates containing salvianolic acid Y, and conducting reduced-pressure concentration to obtain salvianolic acid Y single product, wherein the mobile phase adopts acetonitrile and a formic acid aqueous solution with a concentration of 0.01%.

The invention belongs to the preparation of Chinese patent medicine and particularly relates to a preparation method of compound Lonicera japonica granules. The preparation method includes: preparing raw materials, performing water extraction, alcohol precipitation and vacuum drying, pelleting, and the like. The preparation method has the advantages that the problems that the prior art is long in production cycle, high in energy consumption, low in efficiency, poor in environment protection performance, complex in pelleting, and the like are solved, and the preparation method is low in effective component loss, short in process flow, low in production cost, low in energy consumption, and the like.

The invention relates to the technical field of traditional Chinese medicines and in particular relates to a novel preparation method and application of traditional Chinese medicine composition for treating cerebral infarction during acute stage and earlier restoration stage. The production process is improved on the basis of the original prescription of Chinese patent CN200310114532.X, the leeches are subjected to superfine grinding, the salvia miltiorrhiza is totally subjected to CO2 supercritical extraction, and the medicinal compositions in the medicinal materials are effectively kept through the process. Compared with clinical research, the clinical curative effect of the product subjected to process improvement on stroke (cerebral thrombosis) is obviously superior to the curative effect of the original process product; and moreover, the prepared traditional Chinese medicine composition has the effects of resisting oxidation and eliminating radicals and has a positive effect of preventing brain neuron injuries, and according to the pharmacodynamics study, the traditional Chinese medicine composition has an obvious curative effect on aged dementia (AD).

The invention belongs to preparation of Chinese patent medicines and particularly relates to a preparation method of yinhuang particles. The preparation method comprises technological steps as follows: material preparation, preparation of clear paste of honeysuckle flowers, preparation of baical skullcap root concentrate, vacuum drying, granulation and the like. With the adoption of the preparation method, the problems of long preparation cycle, high energy consumption, low efficiency, poor environment-friendliness and complicated granulation process as well as problems that intermediate products are not easy to store and prone to bacterial contamination and the like in the prior art are effectively solved. The method has the advantages of little loss of medicinal composition, short technological process, low preparation cost and low energy consumption; the intermediate products are easy to store and low in bacterial contamination rate.

The invention provides a cellulose nanofibril suspension and a preparation method thereof, and the method comprises the following steps: step 1, swelling wood fibers in a polar solvent for 2-4 hours to obtain a mixed system A; step 2, sequentially adding oxalic acid, sulfuric acid and potassium permanganate the mixed system A, performing oxidation treatment for 4-6 h, and obtaining a mixed system; and step 3, washing the mixed system B, centrifuging, and separating supernatant liquid to obtain the cellulose nanofibril suspension. According to the method, the complete lattice structure of the cellulose is reserved as far as possible, the problem of uniform dispersion of the cellulose nanofibrils in part of the organic solvent can be solved while the size of the cellulose nanofibrils can be effectively adjusted and controlled, and continuous operation can be realized in the whole process.

The invention provides a fertilizer for improving broccoli yield and quality and a preparation method thereof. The preparation method comprises the following steps: firstly, mixing porous micro-powderprepared from corn straw powder with cottonseed hull powder to obtain mixed powder, spraying and granulating the mixed powder and polyglutamic acid to prepare particles, pouring the particles into anaqueous solution prepared from an inorganic fertilizer component, mixed bacterial powder and a corn-enteromorpha clathrata mixed fermentation product, and carrying out dipping treatment, and finally,performing vacuum freeze-drying to obtain the fertilizer, the fertilizer is particularly suitable for broccoli planting, the broccoli yield is effectively increased, the content of glucoraphanin, vitamin C and the like of the mature broccoli is greatly increased, and high-quality broccoli is harvested.

The invention belongs to preparation of Chinese traditional patent medicine and particularly relates to a Xinkeshu capsule preparation method. The Xinkeshu capsule preparation method includes: preparing materials; subjecting pseudo-ginseng and radix aucklandiae to superfine grinding; preparing mixed thick paste; preparing salvia miltiorrhiza thick paste; performing vacuum drying to make into capsules and the like. With the method, problems about long production cycle, high energy consumption, low efficiency, poor environment friendliness, complex pelletizatioin, difficulty in storing intermediate goods, proneness to contamination and the like in the prior art are effectively solved, and the Xinkeshu capsule preparation method has the advantages of less loss of effective components, short technological process, low production cost, low energy consumption, easy storage of the intermediate goods, low contamination rate and the like.

The invention belongs to the technical field of biomass refining and recycling, and relates to a method for separating and extracting high-activity lignin by taking coniferous wood as a raw material.A (p-TsOH)/ClO2 system is adopted to treat the raw material. According to the method, high-yield and high-activity coniferous lignin is separated and extracted through the p-TsOH/ClO2 system, extraction of the coniferous high-activity lignin can be effectively promoted through the synergistic effect of p-TsOH and ClO2, and repolymerization of lignin monomers and generation of low-activity C-C connecting bonds are inhibited. The obtained lignin product is easy to process and convert; the method has the advantages of mild treatment conditions, high selectivity of chlorine dioxide to lignin reaction, small degradation loss of glycan, simple process and high efficiency, and is easy to implement. After lignin is extracted, the fiber quality is good, the yield of holocellulose is high, and the lignin can be used as an excellent biomass energy material.