26results about "Fructose production" patented technology

The utility model belongs to the technical field of production equipment for producing crystalline fructose from rice, and particularly relates to a crystal cultivating tank and a crystallizing device. The crystal growing tank comprises a tank body, the tank body is further provided with a heating device and a cooling device, and the heating device and the cooling device are matched with each other to adjust the crystal growing temperature. By arranging the heating device and the cooling device, when the temperature in the tank body is higher than the requirement, the cooling device can be used for cooling, and when the temperature in the tank body is lower than the requirement, the heating device can be used for heating, so that the temperature in the crystal growing tank can be controlled according to the requirement.

This invention relates to the field of chemical synthesis technology, providing a metal-modified lignin-based functional carbon, its preparation method, and its application. The preparation method includes: treating lignin using a chemical oxidation method to obtain lignin-based functional carbon; mechanically ball-milling the lignin-based functional carbon and metal acetate, washing the resulting material with ultrapure water, and vacuum drying to obtain the metal-modified lignin-based functional carbon material, which is then used to catalyze the isomerization of glucose to fructose. This invention uses lignin as a raw material to achieve the resource-based reuse of biomass; the method for obtaining the metal-modified highly active lignin-based functional carbon material is convenient, green, and safe; the metal-modified highly active lignin-based functional carbon material can not only efficiently convert glucose isomerization to fructose, but also has a short reaction time and high selectivity; the metal aluminum-modified lignin-based functional carbon catalyst obtained by this invention achieves a glucose conversion rate of 80%-100% and a fructose yield of 55%-60%.

To provide methods for treating cellulosic biomass to produce cellulosic sugars, and products thereof.SOLUTION: A two-step method for activating cellulosic feedstock is described. The feedstock is subjected to a first high-temperature activation step at a temperature above 190°C. and a second activation step at a lower temperature under alkaline conditions. Also described are methods and compositions for the enzymatic hydrolysis of activated cellulose using one or more cellulase enzymes, a surfactant and polyaspartic acid. Also described are products of the methods.SELECTED DRAWING: None

The invention belongs to the field of preparation of high value-added chemicals by biomass catalytic conversion, and particularly relates to a method for producing fructose by catalyzing glucose isomerization by using a tin phosphate / molecular sieve composite material, which comprises the following steps: step 1, pretreating a molecular sieve by using strong phosphoric acid; and 2, calcining the white powder obtained in the step 1. The P / molecular sieve is obtained. And 3, introducing Sn into the P / molecular sieve material by using an impregnation method. And 4, calcining the material obtained in the step 3 to obtain the tin phosphate / molecular sieve composite material. The tin phosphate / molecular sieve composite material provided by the invention has the advantages of high catalytic efficiency and simple preparation process.

The utility model discloses a fructo-oligosaccharide purification device with impurity separation and primary treatment, which comprises a purification cylinder, a feeding cylinder fixedly connected to the right upper end of the purification cylinder, a heating cylinder fixedly connected to the middle of the outer side of the purification cylinder, and a heating device and a screen which are mounted in the heating cylinder, the screen is installed in the middle of the feeding cylinder in an inserted mode, a motor is fixedly installed at the upper end of the cover plate, a stirring rod is fixedly connected to the output end of the motor, a scraping plate is fixedly connected to the far end of the stirring rod, and fixing mechanisms are arranged on the front side and the rear side of the cover plate correspondingly. According to the fructo-oligosaccharide purification device with the impurity separation and primary treatment functions, through the arrangement of the screen, treated fructo-oligosaccharide can be screened, so that impurities in the fructo-oligosaccharide can be separated, the cover plate, the stirring rod, the scraping plate and the purification barrel can be conveniently detached, the interior of the device is fully cleaned, and residues are prevented.

The invention relates to the technical field of biomass resource utilization, in particular to a method for preparing corn stalk syrup from green corn stalks and application. The method for preparing the corn stalk syrup comprises the following steps: S1, raw material pretreatment: cutting green corn stalks into sections of 3cm, and performing soaking treatment with a surfactant; s2, squeezing and separating: carrying out two-stage squeezing on the pretreated straws, namely carrying out first-stage rolling crushing and second-stage spiral squeezing, and separating straw normal juice and straw residues; s3, enzymolysis saccharification: adding a compound enzyme preparation into the normal straw juice, and performing two-stage enzymolysis; s4, membrane separation and purification: carrying out separation and purification on the saccharified liquid by adopting an ultrafiltration-nanofiltration combined technology; s5, vacuum concentration: concentrating the purified sugar solution to prepare corn stalk syrup; and S6, by-product treatment: carrying out steam explosion treatment on straw residues generated by squeezing, and carrying out anaerobic fermentation to prepare feed or compression molding to prepare fuel particles. The invention constructs a high-efficiency and low-cost process for preparing sugar from green corn straws, and realizes full-quantitative utilization of residues.

Disclosed herein are aqueous compositions comprising fructose and methods of production thereof. A method for producing an aqueous composition comprising fructose can comprise, for example, conducting an enzymatic reaction by contacting water, sucrose, and a glucosyltransferase enzyme that synthesizes poly alpha-1,3- glucan having at least 30% alpha-1,3-linkages. A soluble fraction produced by such a reaction comprises at least about 55% fructose on a dry weight basis, and can be separated from insoluble poly alpha-1,3-glucan product(s), thereby providing an aqueous composition comprising fructose.

A composition includes a sugar source and inositol. The sugar or a sugar source is one more sugars select from the group consisting of glucose, sucrose, sucrolose, tagatose, galactose, high fructose com syrup, fructose, isoglucose, and rhamnose. The composition of sugar and inositol has an unique properties that prevents or limits the signaling of TNF-a and associated pro-inflammatory cytokines when metabolized by an individual consuming the composition. Accordingly, the composition can be advantageously used to control blood glucose levels, treat diabetes and related conditions as well as treat diseases based on an inflammatory response.

“Parametric Differential Moving Bed” named as PDMB, characterizes by obtaining target separation system's elution profile via optimized chromatography's separation parameters between selected solid sorbent and mobile phase; such generalized process employ an apparatus transforming such profile for mass production purpose, wherein disclosed apparatus bypassing imperfections observed in chromatography via new mass transfer equilibrium contact method, differential set-up between two phases, eliminating displacement zone via maintaining installed resin / adsorbent in semi-dry status thus enhancing maximum mass transfer efficiency. Through implementing aforesaid methods, disclosed apparatus further employs single stage recycle procedures to simulate moving beds operation in confined closed loop in differential protocols; which comprise multiple modules sequentially connected, yet each functions independently and simultaneously feeding feed solution, isolating at least one desired component, recycling mobile phase, concentrating multiple isolated components, regenerating adsorbent, washing and sanitizing; apparatus further integrate additional sequential unit operation installing other type solid phase material within.

The utility model discloses an evaporative equipment for crystalline fructose production relates to fructose production technical field, including crystallizing jar, condenser and drive motor, the top of crystallizing jar is fixedly connected with the return flow pipe, one side of return flow pipe is connected with the recovery box, the top of recovery box is provided with three square through slots, and the inside of square through slot is placed with filter plate in initial state, and the top of filter plate is fixedly connected with the counterweight, and the side wall of square groove is hinged with the closing plate, and the side wall of square groove is provided with the moving groove, in the utility model, through setting up three square grooves and three filter plates, and setting up closing plate on the inner wall both sides of square groove, make device can complete for filter plate's disassembly fast, and also can not influence device normal filtering function while disassembling filter plate, and the hot steam produced in device also can not appear the outflow situation, meet the energy -conserving original intention.

The invention provides a catalyst for isomerizing glucose into fructose as well as a preparation method and application of the catalyst, and belongs to the field of preparation of biomass-based chemicals. The molecular sieve is used as a carrier, bimetal is loaded, and the catalyst with a core-shell structure is obtained through processes such as complex precipitation, roasting, reduction and oxidation. The catalytic performance is improved by utilizing the shape-selective effect of the molecular sieve and the metal-acid synergistic effect, and the catalytic stability is improved by combining reduction-passivation treatment, so that high conversion rate and high selectivity from glucose to fructose are realized. The catalyst provided by the invention is simple in preparation process, mild in reaction condition, high in stability and high in catalytic efficiency, and provides reliable technical support for efficient and green preparation of fructose.

The invention discloses a device for improving continuous separation of glucose and fructose by a simulated moving bed, and relates to the technical field of organic compound separation. The problem that in the prior art, glucose and fructose are separated is solved. The device specifically comprises an upstream storage tank module, an upstream rotary joint module, a separation module, a downstream rotary joint module, a downstream storage tank module and an inert gas supply module, and the upstream storage tank module, the upstream rotary joint module, the separation module, the downstream rotary joint module, the downstream storage tank module and the inert gas supply module are operated in parallel. According to the present invention, the resin mounted in the column is kept in a semi-dry state to eliminate the displacement zone of the traditional chromatography operation process, while reducing the consumption of the resin, the feed solution is separated into pure liquid glucose and pure liquid fructose at a yield of 100%, while reducing the consumption of water for washing and dewatering, thereby reducing the production cost. Therefore, the dry solid% concentration of the product and the by-product is improved.

The present invention relates to a method of preparing kestose-containing fructooligosaccharide, and more specifically, a method of preparing kestose-containing fructooligosaccharide having a high content of kestose and excellent storage stability.

A method of recovering a sugar by separating a fermentation inhibitor and the sugar from a sugar solution containing the fermentation inhibitor, the method including: bringing the sugar solution containing the fermentation inhibitor into contact with a basic anion exchange resin filled into a column, followed by separation of the fermentation inhibitor and the sugar by a difference in retention time therebetween through use of water as an eluent, and separate recovery of a fraction containing the fermentation inhibitor and a fraction containing the sugar, wherein the basic anion exchange resin is previously treated with a solution containing the fermentation inhibitor.

The present invention relates to a digestible carbohydrate composition comprising at least 65% (w / w) glucose-based saccharides on a dry basis, wherein said saccharides have a reducing end and D-glucose monomers linked with alternating α1-6 and α1-3 glycosidic linkages, wherein a maltose unit is present at the reducing end; and 0.1 to 30% (w / w) of fructose equivalents on a dry basis; wherein said glucose-based saccharides have an average degree of polymerization greater than 12.

A composition includes a sugar source and inositol. The sugar source is one more sugars select from the group consisting of glucose, sucrose, sucralose, tagatose, galactose, high fructose corn syrup, fructose, isoglucose, and rhamnose. The composition of sugar and inositol has an unique properties that prevents or limits the signaling of TNF-α and associated pro-inflammatory cytokines when metabolized by an individual consuming the composition. Accordingly, the composition can be advantageously used to control blood glucose levels, treat diabetes and related conditions as well as treat diseases based on an inflammatory response.

This application discloses a single-column simulated moving bed chromatography system for separating fructose syrup, comprising a single long chromatographic column and a precision fluid delivery and control system. The single long chromatographic column has a height-to-diameter ratio of 12:1 to 20:1, and 6-10 multi-functional interfaces are uniformly arranged along the axial direction, with high-precision multi-channel rotary distribution valves connected to the interfaces. The precision fluid delivery and control system includes a central controller, an execution layer, a detection layer, and a human-machine interface layer. The central controller is connected to the execution layer, the detection layer, and the human-machine interface layer via an industrial bus, forming a fully closed-loop automatic control architecture. This system solves the technical defects of traditional multi-column simulated moving bed fructose syrup separation equipment, such as complexity, high investment, and low separation efficiency, as well as the difficulty in achieving both purity and yield in existing single-column chromatography, and the inability to stably produce pharmaceutical-grade high-purity fructose.

The utility model relates to the technical field of sugar industry, and discloses an evaporation device for high fructose corn syrup production, which comprises a bottom plate and a motor I. The driving end of the motor I is fixedly connected with a mandrel, the middle end of the outside of the mandrel is fixedly connected with a roller, and the outside of one side of the mandrel is rotatably connected with a support plate. The bottom of the supporting plate is fixedly connected with a supporting table, a fixed shaft is fixedly connected to the interior of the rolling wheel, a connecting rod is rotationally connected to the exterior of the fixed shaft, and a round cover is fixedly connected to one side of the connecting rod. According to the automatic quantitative blanking device, circular motion is converted into linear reciprocating motion through the design of the rolling wheel and the fixed shaft, and the round cover is driven to achieve covering and automatic quantitative blanking; the mandrel, the roller, the fixed shaft and the connecting rod are convenient to disassemble and replace, the maintenance cost is reduced, meanwhile, the strength and stability of the whole structure are improved, the liquid distribution uniformity is improved through the rotary flow dividing layer, a local liquid film is prevented from being too thick and too thin, and therefore the evaporation efficiency is improved, and the heating time and the scaling risk are reduced.

Methods of forming cellulosic sugars from the stalk or roots of a plant of the Nicotiana species are provided herein, the methods including i) receiving a tobacco material including at least one of a stalk material and a root material of a harvested plant of the Nicotiana species; ii) delignifying the tobacco material to form a tobacco-derived pulp; and iii) hydrolyzing the tobacco-derived pulp to form a hydrolyzed tobacco product including residual solids and a liquid including at least one tobacco-derived cellulosic sugar. A cellulosic sugar derived from hydrolyzed tobacco material including at least one of a tobacco stalk material and a tobacco root material of a harvested plant of the Nicotiana species is also provided herein. Tobacco products incorporating the cellulosic sugars derived from hydrolyzed tobacco material or products derived from the cellulosic sugar are also provided.

The invention relates to a method for producing a fructose composition comprising the following successive stages:provision of an initial composition comprising glucose;concentration of the initial composition by evaporation of water to obtain a concentrated initial composition;isomerization of glucose to fructose from the concentrated initial composition, making it possible to obtain an intermediate composition;purification of the intermediate composition in a multicolumn chromatography system, making it possible to obtain a glucose-rich raffinate and a fructose-rich extract;concentration of the extract by evaporation of water;wherein the intermediate composition is not subjected to a concentration step by evaporation of water between the isomerization step and the purification step.

The application discloses a kind of selective adsorption material and its preparation method and application.The preparation method of selective adsorption material of the application includes the following steps: 2,5-thiophene dicarboxylic acid sodium, aluminium chloride and sodium metaaluminate are dissolved in water to carry out reflux reaction, then product separation, purification and drying are carried out, to obtain selective adsorption material.The selective adsorption material of the application has the characteristics of large specific surface area, large pore volume, low surface polarity, low cost and the like, which can realize high selectivity and rapid screening separation of target components in HMF and fructose mixed solution, and has very broad application prospect in the field of fructose purification.

This utility model discloses an activated carbon decolorization device for fructose syrup, belonging to the field of fructose syrup processing technology. It includes a mixing tank, with a drive motor located at the upper center of the mixing tank. The drive motor's shaft is connected to a stirring rod. A feed pipe is located on one side of the upper end of the mixing tank, and a filling pipe is located on the other side. A fixed base is installed at the bottom of the mixing tank, and a filter assembly is installed at the lower end of the fixed base. A discharge pipe is installed at the lower side of the filter assembly. In this utility model, the adsorbed activated carbon particles fall into a filter basket. A stepper motor rotates, driving a protrusion to rotate. The protrusion pushes a limiting plate, which in turn pushes a connecting rod to move, causing the filter basket to move upwards. Due to the gravity of the filter basket and the elastic force of the return spring, the filter basket vibrates back and forth, preventing activated carbon particles from clogging and affecting the discharge of fructose syrup, thus ensuring the filtration effect.

This document provides a method for forming cellulose sugars from the stems or roots of a *Nicotiana* species, the method comprising i) receiving tobacco material, said tobacco material comprising at least one of harvested stem and root material of a *Nicotiana* species; ii) deligating said tobacco material to form a tobacco-derived pulp; and iii) hydrolyzing said tobacco-derived pulp to form a hydrolyzed tobacco product comprising residual solids and a liquid, said liquid comprising at least one tobacco-derived cellulose sugar. This document also provides cellulose sugars derived from hydrolyzed tobacco material, said tobacco material comprising at least one of harvested tobacco stem and root material of a *Nicotiana* species. A tobacco product is also provided, said tobacco product incorporating said cellulose sugar derived from hydrolyzed tobacco material or a product derived from said cellulose sugar.

A lactulose solution end treatment device belongs to the technical field of lactulose production related equipment, and includes a curtain type membrane solid-liquid separation device for separating aluminum hydroxide from raw material liquid, and the interception capacity of the curtain type membrane solid-liquid separation device is configured to intercept aluminum hydroxide flocculation and allow lactulose molecules to pass through. The curtain type membrane solid-liquid separation device is used to realize the filtration and separation of aluminum hydroxide, and the advantage is that the interception capacity of the organic membrane in the curtain type membrane solid-liquid separation device can make the lactulose molecules pass through, and the aluminum hydroxide flocculation is intercepted, so that the separation of the lactulose raw material liquid is realized. The lactulose solution end treatment device provided by the utility model can realize efficient separation of aluminum hydroxide in the raw material liquid, and improve the final yield of lactulose.

The utility model relates to the technical field of fructose production, and discloses a fructose crystallization separation device which comprises a crystallization tank body, a driving motor fixedly mounted in the center of the top of the crystallization tank body, an upper driving shaft fixedly connected to the output end of the driving motor, and upper stirring rods fixedly connected to the two sides of the upper driving shaft at equal intervals, a driving assembly is installed at the end, away from the driving motor, of the upper driving shaft. Through the arrangement of the driving assembly, after the driving motor is started, the upper stirring rod and the lower stirring rod can reversely mix and rotate in the crystallization tank body, a reverse rotation structure can form stronger convection in the crystallization tank body, the mixing effect of materials is enhanced, the convection can effectively break the local concentration gradient in the materials, and the crystallization effect is improved. The uniform mixing is promoted, the efficiency of the crystallization process is improved, uniform shearing force and stirring force can be generated in materials through reverse rotation, the size distribution nonuniformity of crystals can be reduced, and the quality and consistency of products are improved.