Method of extracting high-purity glucose from saccharified glucose syrup

A glucose syrup and glucose technology, which is applied in the direction of glucose production, sugar production, sugar production, etc., can solve the problems of impact, poor quality of filtrate, and poor glucose purification effect, so as to simplify the process, reduce operating costs, The effect of high degree of automation

Inactive Publication Date: 2007-03-14
SHANDONG XIWANG SUGAR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the current glucose purification effect is not good, and the quality of the obtained filtrate is poor, which affects its application in other fields. Method for extracting high-purity glucose from glucose syrup

Method used

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  • Method of extracting high-purity glucose from saccharified glucose syrup

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Effect test

Embodiment 1

[0018] In Figure 1, the glucose syrup with a DE value of 92% is obtained after starch milk sizing, liquefaction, and saccharification; then after filtration, decolorization, and handover processes, it is evaporated to 60% of the dry matter; after degassing, the Enter the simulated moving bed chromatographic separation system for chromatographic separation. The conditions for chromatographic separation are: separation temperature 70°C, system pressure 1.1Mpa, feed flow rate 35ml / min, eluent flow rate 80ml / min.

[0019] After separation, the part of glucose with a glucose content of 99.3% is evaporated and crystallized to produce crystalline glucose; the part of oligosaccharides with a polysaccharide content of 70% is partly made into maltose syrup and partly returned to the saccharification process.

Embodiment 2

[0021] In Figure 1, the DE value of 94% glucose solution obtained after starch milk slurrying and liquefaction; then filtered, decolorized, separated, and evaporated to 65% dry matter; after degassing, enter the simulated moving bed chromatography at 75 ° C The separation system performs chromatographic separation, and the conditions for chromatographic separation are: separation temperature 75°C, system pressure 1.0Mpa, feed flow rate 40ml / min, eluent flow rate 100ml / min.

[0022] The part of glucose obtained after separation with a glucose content of 99.5% is evaporated and then hydrogenated to produce sorbitol; the part of oligosaccharides with a polysaccharide content of 70% is partly produced into maltose syrup and partly returned to the saccharification liquid process.

Embodiment 3

[0024] In Fig. 1, the glucose solution with a DE value of 96% obtained after sizing and liquefaction of starch milk is then filtered, decolorized, separated, and evaporated to a dry matter of 70%; after degassing, it enters the simulated moving bed chromatography at 80°C The separation system performs chromatographic separation, and the conditions for chromatographic separation are: separation temperature 80°C, system pressure 0.9Mpa, feed flow rate 30ml / min, eluent flow rate 120ml / min.

[0025] After separation, the oligosaccharide part with a polysaccharide content of 70% is partly prepared into maltose syrup, and partly returned to the saccharification liquid process. The obtained glucose portion with a glucose content of 99.8% is isomerized, crystallized after separation, decolorization, degassing, chromatographic separation, multi-effect falling film evaporation, and vacuum scraper evaporation, and then separated and dried to obtain crystalline fructose.

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Abstract

The present invention discloses method of extracting high purity glucose from saccharified glucose syrup, and the method has the advantages of simplicity, high purifying effect, high quality of obtained glucose liquid, etc. The method is that by means of simulating movable bed technology, saccharified glucose syrup is separated to prepare high purity glucose and functional oligose. Specifically, saccharified glucose syrup as material is separated completely into glucose and oligose in a simulating movable bed chromatographic system with water as elutant and at the temperature of 60-80 deg.c, so that the component with rich glucose and the component with rich functional oligose are obtained.

Description

technical field [0001] The invention relates to a method for preparing high-purity glucose, in particular to a method for extracting high-purity glucose from saccharified glucose syrup by using resin and simulated moving bed technology. Background technique [0002] Glucose is the most common monosaccharide substance and the familiar monosaccharide, also known as dextrose or blood sugar, is one of the most abundant compounds in nature, and it is also an important basic chemical medicine. One of the main energy substances. In nature, it is synthesized from water and carbon dioxide through photosynthesis. The industrial production of glucose is based on starch as raw material, which is hydrolyzed by acid method, acid enzyme method or double enzyme method. Starch is hydrolyzed by acid or enzymes to form glucose syrup. Syrup contains organic compounds such as protein, accounting for about 0.3-1% of solids, and solids are generally sludge (MUD). At the same time, disaccharides...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C13K1/00C13K1/06
Inventor 王勇李伟阿纳斯孙宗宝崔立平许萍杨会敏滕俊强
Owner SHANDONG XIWANG SUGAR
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