22results about "Purification using ion-exchange materials" patented technology

The method that separates a fermentation inhibitor and sugar from a sugar solution that contains a fermentation inhibitor and recovers the sugar is a method that includes using water as an eluent to separate the fermentation inhibitor and the sugar based on the difference in retention time after having brought the sugar solution that contains a fermentation inhibitor into contact with a basic anion exchange resin packed in a column, and separately recovering a fraction that contains the fermentation inhibitor and a fraction that contains the sugar, in which the basic anion exchange resin is pretreated by a solution that contains a fermentation inhibitor.

The present invention relates to methods to produce crystalline lactose, more specifically lactose obtained from a biotechnological production process.

The present invention relates to a system for purifying xylitol fermentation liquid, comprising a fermentation tank, a post-fermentation tank, a ceramic membrane filter, a nanofiltration membrane filter, an activated carbon filter, an ion exchange column, an evaporation tank, a crystallization tank, a centrifuge, and a dryer, which are connected through piping. The post-fermentation tank is used to store the fermentation liquid obtained in the fermentation tank and allow it to stand to obtain a supernatant fermentation liquid. The ceramic membrane filter, the nanofiltration membrane filter, the activated carbon filter, and the ion exchange column are used to remove impurities from the supernatant fermentation liquid to obtain a xylitol ion exchange liquid. The evaporation tank and the crystallization tank are used to evaporate and crystallize the xylitol ion exchange liquid to obtain a xylitol sugar paste. The centrifuge is used to separate the xylitol sugar paste to obtain xylitol crystals. The dryer is used to dry the xylitol crystals to obtain xylitol crystals. The present invention also discloses a method using the system. The present invention can significantly reduce the amount of activated carbon used, increase the pH of the liquid material, significantly reduce the conductivity, and reduce the load of the subsequent ion exchange process.

A simple method for animal-free lactose synthesis. The present invention relates to a method for producing lactose, more particularly without separation from mammalian milk. Further, the present invention provides a method for purifying the lactose produced.

An aqueous binder composition for mineral fibres comprises: (a) a sugar syrup containing a reducing sugar and having a dextrose equivalent DE of at least 50 and less than 85; (b) a polycarboxylic acid component; (c) an amine component; and, optionally, (d) a reaction product of a polycarboxylic acid component (b) and an amine component (c).

The present invention discloses a process for separating and purifying sugar component from the ternary mixture of monosaccharides and / or disaccharides using continuous ternary separation chromatography system with variable length chromatography zones. The present invention particularly discloses a process for production of allulose or sucrose isomer using ternary separation chromatography system with variable length chromatography zones. The present invention is an improvement over the conventional method which fails to separate ternary sugar mixtures comprising of monosaccharaides and / or disaccharides.

Provided herein are high purity betaine products and methods of making the same. In some cases, provided herein are methods of recovering betaine from sugar beet molasses by using ion exchange chromatographic method with a salt of a polystyrene sulfonate cation exchange resin cross-coupled with divinyl benzene moiety. Also provided herein are methods of producing free-flowing betaine using specialized drying techniques. Additionally provided herein are betaine-poor products and polyphenol rich products, along with methods of preparing the same.

The utility model discloses a mixed bed ion exchanger with prevent effect of blocking, including jar body, drain outlet and water inlet respectively located jar body top portion's bottom, the inside setting resin layer of jar body, the top of resin layer is equipped with the anti -block component for back flush discharge time and the microwave generator below resin layer, the anti -block component includes main pipeline, and the branch pipeline of detachable connection with main pipeline bottom, the bottom of branch pipeline is equipped with filter screen. Prevent the further entry of impurity and cause the phenomenon of jam in the inside of main pipeline, improve the sewage capacity, avoid resin agglomerate and be wrapped simultaneously, improve the regeneration effect and exchange capacity of resin, strengthen the effect of backwashing and regeneration, reduce the operation cost and maintenance workload.

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 for controlling impurities in L-arabinose and its use. The method includes removing impurities from L-arabinose starting materials using an adsorption resin. The method and use provided by the present invention can effectively control the content of impurities such as 5-hydroxymethylfurfural and furfural in L-arabinose products, particularly by removing impurities from the source and upstream processes, thereby reducing the risk of toxicity and side effects of impurities, thereby improving the quality and safety of L-arabinose products.

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.

An apparatus disclosed herein is for implementing new mass transfer method to eliminate displacement zone via maintaining installed resin in column in semi-dry status for superior mass transfer between two phases. Through implementing following methods comprising new mass transfer method, differential set-up and via single stage recycle procedures integrating with modules, apparatus herein disclosed is operated in a contained loop comprising multiple modules connected in sequence and yet function independently to simultaneously feeding raw solution containing glucose and fructose, inputting eluent water, retrieving raffinate glucose and product fructose, and other recycling mixtures to enhance concentration of separated fractions and capable of continuous separation of glucose and fructose feed solution into 100% yield of respective pure component. Disclosed apparatus cutbacks nearly 40% of resin stock compared under same feed throughput with traditional simultaneous moving bed process that has separation of 88% recovery of 90% fructose purity in product stream.

The present invention relates to a method for producing crystalline lactose, more particularly lactose obtained from a biotechnological production process.

SUCROSE COMPOSITION FREE OF LINOLEIC ACID AND METHOD FOR ITS PURIFICATION The present invention relates to a method for purifying an aqueous sucrose composition from linoleic acid, said method comprising adding activated carbon to the aqueous sucrose composition. The invention also relates to a method for preparing sucrose free of linoleic acid.

The invention discloses a production process and equipment for purifying xylose from xylose hydrolysate and application, and belongs to the technical field of xylose production. The process comprises the following steps: pretreating xylose hydrolysate, and conveying the pretreated xylose hydrolysate to a tubular ultrafiltration membrane for filtration; filtering and decolorizing the clear liquid obtained by filtering with the tubular ultrafiltration membrane through a roll-type ultrafiltration membrane; carrying out hardness removal treatment on clear liquid obtained by decoloring through a cation hardness removal resin device; concentrating and deacidifying the effluent after hardness removal through a high-pressure nanofiltration membrane; concentrating the deacidified clear liquid through an acid-resistant high-pressure RO (Reverse Osmosis) membrane; the deacidified concentrated liquor is treated by a cation exchange resin device, the obtained effluent is conveyed to an anion exchange resin device to further adsorb anions in the solution, and the obtained effluent is treated by an evaporative crystallization drying system to obtain a xylose product.

The present invention relates to methods to produce crystalline lactose, more specifically lactose obtained from a biotechnological production process.

The invention provides a treatment method of a sugarcane clear juice decalcification resin regeneration liquid and a sugarcane clear juice decalcification method. The sugarcane clear juice decalcification resin regeneration liquid is treated by a sodium carbonate chemical method to obtain a clear liquid, and the clear liquid is prepared into a regeneration agent of sugarcane clear juice decalcification resin. According to the sugarcane clear juice decalcification method, a continuous multi-column ion exchange resin column is adopted to remove calcium ions in the sugarcane clear juice, a regenerating agent of decalcification resin is a sodium chloride clear liquid obtained by a sodium carbonate chemical method from a regenerating liquid, the problem of environment-friendly treatment of the regenerating liquid is solved, residual sodium chloride in the regenerating liquid can be fully utilized, and the recycling rate of the sodium chloride clear liquid is increased. The input amount of the regenerant is reduced. Sodium chloride clear liquid obtained after excessive reaction of sodium carbonate and calcium chloride in regeneration liquid does not affect regeneration work of the calcium saturated resin column, the adsorption effect is good after resin regeneration, and the resin treatment capacity is kept stable. And a sodium carbonate chemical treatment process is adopted, so that resource recycling of the regenerated liquid can be realized, sewage discharge during actual mass production is reduced, and the industrial production cost is reduced.

This application relates to polyphenol containing sugar cane extracts for improving or masking taste or mouthfeel of consumables containing a sugar substitute, low sugar consumables or reduced sugar consumables. The polyphenol containing sugar cane extracts can be used in methods for improving or masking the taste of consumables containing a sugar substitute, low sugar consumables or reduced sugar consumables by including an effective amount of a polyphenol containing sugar cane extract in the consumable. The polyphenol containing sugar cane extracts can also be used in compositions for improving or masking the taste of a sugar substitute by including an effective amount of a polyphenol containing sugar cane extract in the composition.

The invention discloses macroporous weak-base anion exchange resin with high abrasion permeability resistance and a preparation method of the macroporous weak-base anion exchange resin, and belongs to the technical field of functional polymer materials. The resin is polystyrene ion exchange resin, the main chain of the resin contains an acrylic spacer group, the functional group for ion exchange is a nitrogen heterocyclic ring tertiary ammonium anion exchange group, the resin is doped with nitrogen heterocyclic ring compound intercalated hexagonal boron nitride particles, and the hexagonal boron nitride particles are bonded to a resin matrix through a nitrogen heterocyclic ring. The intercalation structure of the nitrogen-containing heterocyclic compound and the boron nitride is introduced into the styrene resin as the core, the strong oil absorption performance of the boron nitride is exerted, the internal driving force of the resin for pigment adsorption from the shell to the core is constructed, and the pigment treatment capacity of the resin is improved. The resin has excellent wear and seepage resistance, high temperature resistance, high anion and cation exchange capacity and high pigment adsorption performance, and can be widely applied to the field of food processing such as sugar decoloration.

The application provides a sugarcane juice decalcification resin regeneration liquid treatment method and a sugarcane juice decalcification method. The clear liquid obtained by treating the sugarcane juice decalcification resin regeneration liquid by a sodium carbonate chemical method is configured as a regeneration agent of the sugarcane juice decalcification resin. The sugarcane juice decalcification method removes calcium ions in the sugarcane juice by using continuous multi-column ion exchange resin columns, and the regeneration agent of the decalcification resin is repeatedly recycled by using the sodium chloride clear liquid obtained by treating the regeneration liquid by the sodium carbonate chemical method, so that the environmental protection treatment problem of the regeneration liquid is solved, the residual sodium chloride in the regeneration liquid can be fully utilized, and the input amount of the regeneration agent is reduced. The sodium chloride clear liquid obtained by excessively reacting the sodium carbonate with the calcium chloride in the regeneration liquid does not affect the regeneration work of the calcium saturated resin column, the adsorption effect of the resin is good after the regeneration, and the resin treatment capacity remains stable. The sodium carbonate chemical treatment process can realize the resource recycling of the regeneration liquid, reduces the discharge of wastewater in actual mass production, and reduces the industrial production cost.

This disclosure relates to a method and a system for processing grapes. An example system includes a simulated moving bed (SMB) device configured to receive a feed stream and an eluent stream as inputs and provide an extract stream and a raffinate stream as outputs. The feed stream includes a grape juice, the extract stream includes a high-sugar grape juice, and the raffinate stream includes a low-sugar grape juice. The system also includes fermentation equipment configured to produce a low-alcohol wine from the low-sugar grape juice.

The present invention is advantageous over conventional methods and products. In one embodiment, the method comprises separating a mixture of allulose, fructose, glucose, and glucooligosaccharides (wherein the separation comprises using simulated moving bed chromatography) and recovering allulose in high purity and yield. In one embodiment, simulated moving bed ("SMB") chromatography is used to separate the allulose-rich fraction from a fructose- and glucose-rich fraction, and to separate the fructose-rich fraction from a glucose-rich fraction. In one embodiment, the method provides for the separation of allulose from a mixture of allulose, fructose, and D-glucose, wherein the mixture is produced from high fructose corn syrup ("HFCS") when HFCS is contacted with allulose epimerase. In one embodiment, the method produces a high-quality allulose product. In one embodiment, the fructose-rich fraction can be recycled for contact with allulose epimerase.