38results about How to "Reduce degradation loss" patented technology

The invention provides a high-yield environment-friendly papermaking and pulping process method which includes a raw material pre-processing section, a physical threading immersion processing section, an immersing, steaming and bleaching integrated pulping section and a thickening and dewatering processing section. A high-yield environment-friendly papermaking and pulping system for achieving the pulping process method sequentially comprises a stock cutter, a hammer thread screening deduster, a washing deduster, a dewatering conveying device, a steaming spiral conveyor, a squeezing cracking and thread squeezing impregnator, a disperse impregnating device, a high-concentration cooking and bleaching pulping all-in-one machine, a pulp bin, a concentration dewaterer, a high-concentration stuff grinder, a screening purifier and a concentration presser according to the process route, wherein a pump pipe is connected onto the high-concentration cooking and bleaching pulping all-in-one machine, a discharging pipe of the high-concentration cooking and bleaching pulping all-in-one machine is connected to the pulp bin, a pulp bin pump pipe is connected with the concentration dewaterer, the output end of the concentration dewaterer is connected onto the high-concentration stuff grinder, and the output end of the high-concentration stuff grinder is sequentially connected with the screening purifier and the concentration presser. The high-yield environment-friendly papermaking and pulping process method and system fundamentally solve problems of high pollution and energy consumption, shortage of papermaking raw materials and the like existing in the papermaking industry, and achieve the technical purposes of efficient bleaching, high yield, no black liquor and low energy consumption by using abundant plant fibers in the nature.

The invention relates to a mixed absorbing agent for catching or separating carbon dioxide from gas mixture, which mainly comprises the components by weight percent: 10-50wt% of 3-dimethyl amino-1-propyl alcohol, 5-10wt% of primary amine and / or secondary amine and balance water. The absorbing agent 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 is a tertiary amine and has high boiling point and better molecular stability than primary amine and secondary amine, so that the mixed absorbing agent can greatly reduce the degradation consumption of solvent in the using process, has good catching effect, and 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 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 provides a preparation method of bortezomib, namely N-(2-pyrazine carbonyl)-L-phenylalanine-L- leucine boracic acid. The method provided by the invention can enhance the productive rate and purity of the bortezomib and reduce the generation of impurities, is easy and convenient to operate and low in solvent dosage, achieves recrystallized products with high purity being more than 99% and is high in reproducibility and suitable for industrialized production.

The invention belongs to the technical field of agricultural product processing, and specifically discloses a superheated steam blanching and combined drying integrated processing method and superheated steam blanching and combined drying integrated processing equipment. The equipment comprises an integrated combination processing machine body, a pressure pulsation generation system, a superheated steam blanching system, a hot wind drying system, a vacuum drying heating system, an automatic control system and other parts. According to the present invention, a material is firstly subjected to vacuum pulsation superheated steam blanching enzyme-inactivation color-protection and sterilization pre-treatment in the integrated processing equipment, and then hot wind vacuum combination drying is performed; with the method and the equipment, the problems that the chemical residue exists in the use of the chemical enzyme-inactivation color-protection method in the hot wind vacuum combination drying processing pre-treatment, the cost of the processing system is significantly increased by additionally arranging the independent physical blanching device, the material is required to be taken out after the blanching and the material re-distribution is required to be performed in the drying device, and the like can be solved; with the method and the equipment, the sterilization treatment in the processing process can be simultaneously completed, the drying time can be effectively shortened, the quality of the product is good, and other characteristics can be provided; and the method and the equipment are suitable for the blanching and drying processing of most of fruits and vegetables and Chinese herbs.

The invention discloses a method for reducing the loss of anthocyanins in the processing of blueberry juice, which is carried out according to the following steps: 1) cleaning and beating the blueberries; 2) adjusting the pH value of the blueberry slurry, adding zinc lactate, malic acid, Glutathione, tea polyphenols, grape seed extract, and compound enzymes; 3) After enzymatic hydrolysis of blueberry slurry, filter, add sucrose, lactose, sodium citrate, trehalose, β‐cyclodextrin, gum arabic, Xanthan gum and sodium carboxymethylcellulose are blended; 4) the blended fruit juice is homogenized, and then vacuum degassed; 5) the degassed blueberry juice is sterilized and filled. The invention aims at the specific functional components of blueberry anthocyanins, and reduces the degradation loss of blueberry anthocyanins by controlling the processing factors and improving the stability of its own molecular structure during the processing of blueberry juice, retains the efficacy, reduces color deterioration, and improves the product Quality, developed blueberry juice products with high anthocyanin content.

The invention relates to a refining process for high-temperature rapid separation of an inositol filtrate, and belongs to the field of food additive refining processes. The process is an inositol refining process which is high in preparation purity, extremely low in impurity and extremely low in conductivity. The inositol produced by the refining process of the invention has a purity of 99.9 percent or more, a conductivity of 2 mu m / cm or less and a clarity of grade A, and impurities such as calcium and chlorine are almost zero. The inositol refining process of the invention has the characteristics of simple process, short production cycle and low requirements on equipment, and has the advantages of better impurity removal, desalination rate of 99.9 percent or more, prevention of microbialbreeding during production, reduction of microbial degradation loss, and improvement of production efficiency and inositol yield.

The invention belongs to the field of chemical materials, and particularly relates to an absorption solvent which is used for collecting or separating carbon dioxide from gas mixture or liquefied gas. The solvent comprises 3-dimethylamino-1-propanol (abbreviated as DMA1P) with a content range of 10-70 wt% and other components with a total content range of 30-90 wt%, wherein, the other components comprise one or more of monoethanol amine, n-propanol amine, hydroxyethyl piperazine, water, physical solvent, inorganic salt or auxiliary agent. The solubility of carbon dioxide in 3-dimethylamino-1-propanol is high and the deabsorption effect is good; simultaneously the reaction heat of the absorption reaction is lower and the energy consumption for collecting or separating carbon dioxide is lower; meanwhile, 3-dimethylamino-1-propanol is a tertiary amine, the carbon chain is a linear chain, six-membered ring with better molecular stability can be formed through hydrogen bond, and the degradation loss of solvent in the use process can be reduced substantially.

The invention belongs to the technical field of biomass refining and resource utilization, and relates to a method for separating and extracting highly active lignin from coniferous wood. Using (p-TsOH) / ClO 2 The system handles raw materials. The present invention passes p -TsOH / ClO 2 System separation and extraction of coniferous lignin with high yield and high activity, p ‑TsOH and ClO 2 The synergistic effect can effectively promote the extraction of high-activity lignin from coniferous wood, and inhibit the repolymerization of lignin monomers and the formation of low-activity C‑C linkages. The lignin product obtained by the invention is easy to process and transform; the treatment condition is mild, the selectivity of chlorine dioxide to lignin reaction is high, the degradation loss of polysaccharide is small, the method is easy to implement, and the process is simple and efficient. The fiber quality after lignin extraction is good, and the yield of synthetic cellulose is high, which can be used as an excellent biomass energy material.

The invention discloses a method for extracting and purifying beet red pigment from concentrated red beet juice. The method comprises the following steps: (1) diluting the concentrated red beet juice with citric acid water of pH 3 to pH 5 to a Brix degree of 4° Bx~6°Bx, to obtain the red beet concentrated juice dilution; (2) Put the red beet concentrated juice dilution on the mixed resin column, and perform elution, separation and purification to obtain the beet red eluent; (3) The beet red eluate The red eluate is concentrated to a Brix degree of 20°Bx-30°Bx on a water-bath single-effect concentrator, and spray-dried to obtain beet red powder. When the method of the present invention removes the sugar in the red beet juice, it also removes other impurities such as inorganic salts therein, which improves the production efficiency; moreover, the low-temperature vacuum concentration of the water-bath single-effect concentrator reduces the degradation of raw materials, and can obtain A beet red product with a higher color price.