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Separation and purification technology of glucose

A technology for separation and purification of glucose, applied in the field of separation and purification of glucose, can solve the problems of easy rupture of flocculants, large investment and land occupation, poor regeneration ability, etc. capacitive effect

Inactive Publication Date: 2019-01-04
卢松
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process requires a large amount of resin, and the waste water generated by resin regeneration is large, and the investment and land occupation are large, and a large number of operators are required, and there are defects such as low work efficiency and low process yield.
The applicant's previous patented technology "a method for separating and extracting glucose from starch saccharification liquid" overcomes the above defects, and at the same time provides a new type of decolorization flocculant, which has a good effect of adsorption and removal of impurities, but the flocculant is easily broken after high-temperature calcination , the regeneration ability is poor, and it will carry a certain amount of sugar molecules, resulting in a decrease in sugar yield

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A separation and purification process for glucose, comprising the steps of:

[0026] Step 1) Preparation of adsorbent:

[0027] Mix nano-silica, glass fiber, and deionized water in a mass ratio of 3:1:10, stir at 300rpm for 5 minutes, then add vinyltriethoxysilane accounting for 10% by mass of nano-silica, and heat up to 60°C. Ultrasonic treatment for 30 minutes to obtain a mixed material liquid; the frequency of the ultrasonic wave is 20KHz, and the power is 1000W; the mixed material liquid and polypropylene balls are mixed according to the mass ratio of 1:2, and then added to the granulator, and then added with polypropylene 10% of the mass of the ball is made of polyvinyl alcohol aqueous solution with a concentration of 7wt% to make a spherical object with a particle size of 1000um; the spherical object is dried in an oven at 80°C for 60 minutes, and then put into a sintering furnace for sintering, and the sintering temperature is 650°C , keep it warm for 30min, tak...

Embodiment 2

[0039] A separation and purification process for glucose, comprising the steps of:

[0040] Step 1) Preparation of adsorbent:

[0041] Mix nano-silica, glass fiber and deionized water according to the mass ratio of 5:2:20, stir at 300rpm for 5min, then add vinyltriethoxysilane accounting for 10% by mass of nano-silica, and heat up to 60°C. Ultrasonic treatment for 30 minutes to obtain a mixed material liquid; the frequency of the ultrasonic wave is 20KHz, and the power is 1000W; the mixed material liquid and polypropylene balls are mixed according to the mass ratio of 1:2, and then added to the granulator, and then added with polypropylene 10% of the mass of the ball is made of polyvinyl alcohol aqueous solution with a concentration of 7wt% to make a spherical object with a particle size of 500um; the spherical object is dried in an oven at 80°C for 60 minutes, and then put into a sintering furnace for sintering, and the sintering temperature is 650°C , keep it warm for 30min...

Embodiment 3

[0053] Soak the used adsorbent in water at 50-60°C for 30 minutes, take it out, and calcinate it at 400-500°C for 3 minutes to remove the adsorbate, cool it naturally, and then use it again. The regeneration of the adsorbent is achieved, and the adsorption effect is not good. obvious change.

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Abstract

The invention belongs to the field of separation and purification of sugar and discloses a separation and purification technology of glucose. The technology comprises the following steps of preparation of an adsorbent, liquefaction and saccharification, microfiltration, decoloration and impurity removal, nanofiltration and concentration and crystallization. According to the separation and purification technology, by adopting multi-membrane filter treatment and adsorption treatment, the steps such as ion exchange are omitted, the technology is simple and feasible, and the yield and purify of prepared products are high.

Description

technical field [0001] The invention belongs to the field of sugar separation and purification, and in particular relates to a glucose separation and purification process. Background technique [0002] Glucose is an important monosaccharide and an important basic chemical medicine, as well as a raw material for many compounds. The production of glucose has experienced the development process of acid method, acid enzyme method and double enzyme method. Glucose is an important monosaccharide and an important basic chemical medicine, as well as a raw material for many compounds. The production of glucose has experienced the development process of acid method, acid enzyme method and double enzyme method. [0003] Corn starch is an important raw material for extracting glucose. Corn starch molecules are connected by tens of thousands of glucose units. The process of extracting glucose from starch saccharification liquid is the last step of extracting glucose from corn starch mi...

Claims

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Application Information

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IPC IPC(8): C12P19/20C12P19/14C12P19/02C13K1/06C13K1/08
CPCC12P19/02C12P19/14C12P19/20C13K1/06C13K1/08
Inventor 伏广好许传娟杜鹏王彦妮周敬陈艳宁晓斌张冬周豹
Owner 卢松
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