Desalting method for syrup and production method for glucose syrup

A production method, the technology of glucose syrup, is applied in the field of desalinization of syrup and the production of glucose syrup, which can solve the problems of difficult control of fluid pressure balance on both sides of the membrane and fluid leakage on both sides of the membrane, so as to reduce production costs and reduce acidity. Effect of alkali consumption and reduction of sewage discharge

Inactive Publication Date: 2012-06-13
CHANGCHUN DACHENG NEW RESOURCE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a method for removing salinity from syrup and a production method for glucose syrup, aiming to solve the problem that the fluid pressure balance on both sides of the membrane is difficult to control and the membrane The osmotic pressure causes the fluid on both sides of the membrane to leak into each other

Method used

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  • Desalting method for syrup and production method for glucose syrup
  • Desalting method for syrup and production method for glucose syrup

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The production of glucose syrup, its concrete steps are as follows:

[0039] S1. Starch liquefaction: prepare dry starch into starch milk, pump it into the incoming tank, add sulfuric acid, adjust the pH value of the starch milk to 5.4, add 0.6 kg of liquefying enzyme per ton of dry starch, and add it to the starch milk Add liquefaction enzyme, then spray liquefaction through the injector, and enter the liquefaction reactor for 1.8hr;

[0040] S2. Saccharification: After the liquefied starch milk enters the saccharification tank after secondary flash evaporation, the saccharification enzyme is added at a ratio of 0.45 kg of saccharification enzyme per ton of dry starch, and the raw starch syrup is obtained after stirring for 42 hours;

[0041] S3, Filtration: Thin syrup is obtained after the coarse starch syrup is filtered through a vacuum drum filter;

[0042] S4, decolorization: pump dilute syrup into the decolorization tank, add activated carbon according to the rat...

Embodiment 2

[0048] The production of glucose syrup, its concrete steps are as follows:

[0049] S1. Starch liquefaction: prepare dry starch into starch milk, pump it into the incoming tank, add sulfuric acid, adjust the pH value of the starch milk to 6.0, and add 0.55 kg of liquefaction enzyme per ton of dry starch to the starch milk Add liquefaction enzyme, then spray liquefaction through the injector, and enter the liquefaction reactor for 2.0hr;

[0050] S2. Saccharification: After the liquefied starch milk enters the saccharification tank after secondary flash cooling, add the saccharifying enzyme at a ratio of 0.5 kg of saccharifying enzyme per ton of dry starch, and stir for 48 hours to obtain coarse starch syrup;

[0051] S3, Filtration: Thin syrup is obtained after the coarse starch syrup is filtered through a vacuum drum filter;

[0052] S4, decolorization: pump dilute syrup into the decolorization tank, add activated carbon according to the ratio of 3 kg of powdered activated c...

Embodiment 3

[0057] The production of glucose syrup, its concrete steps are as follows:

[0058] S1. Starch liquefaction: prepare dry starch into starch milk, pump it into the incoming tank, add sulfuric acid, adjust the pH value of the starch milk to 5.6, add 0.5 kg of liquefying enzyme per ton of dry starch, and add it to the starch milk Add liquefaction enzyme, then spray liquefaction through the injector, and enter the liquefaction reactor for 1.5hr;

[0059] S2. Saccharification: After the liquefied starch milk enters the saccharification tank after secondary flash evaporation, the saccharification enzyme is added at a ratio of 0.6 kg of saccharification enzyme per ton of dry starch, and the raw starch syrup is obtained after stirring for 36 hours;

[0060] S3, Filtration: Thin syrup is obtained after the coarse starch syrup is filtered through a vacuum drum filter;

[0061] S4, decolorization: pump dilute syrup into the decolorization tank, add activated carbon according to the rati...

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Abstract

The invention discloses a desalting method for syrup and a production method for glucose syrup. The desalting method is used for desalting syrup by utilizing the electrodialysis process, and comprises the following steps: the syrup of which the salinity is to be desorbed is divided into a part A and a part B according to the ratio A : B = 1 to 4 : 6 to 9; the part A of the syrup enters into one side of the ion-exchange membrane of an electrodialysis device; the part B of the syrup enters into the other side of the ion-exchange membrane of the electrodialysis device; and the ions of the part Bof the syrup shift to the part A of the syrup due to the migration action of an electric field. As the desalting method is adopted during the desalting of a syrup preparation process, the cost of each ton of syrup is reduced by 22 percent than that of the prior art, which greatly reduces the production cost of the starch sugar of enterprises, reduces sewage discharge generated during the traditional desalting process, and veritably realizes the purposes of energy conservation, consumption reduction, sewage discharge reduction and cleaner production. Therefore, the invention has a wide popularization value.

Description

technical field [0001] The invention relates to the field of starch sugar production, in particular to a method for removing salt from syrup and a method for producing glucose syrup. Background technique [0002] In the traditional ion exchange desalination process, due to the large number of ion exchange bed valves for ion exchange desalination treatment, the operation is complicated and cumbersome, and acid-base regeneration is required, and the regeneration wastewater must be discharged after passing the treatment, which has hidden dangers of environmental pollution. Propagation in the medium, and the ion exchange resin will infiltrate the organic matter into the pure water for a long time. Therefore, although the traditional example exchange desalination process has low investment in the early stage of equipment, it requires manual intervention in the later stage of operation, the operation cost is high, it is difficult to realize automatic control, and it is easy to cau...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C13K1/00
Inventor 张江涛贾冬舒刘康锐褚腊林魏广胜
Owner CHANGCHUN DACHENG NEW RESOURCE GROUP
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