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Ion exchange technology in preparation of glucose

An ion exchange and glucose technology, applied in the directions of glucose production, sugar production, sugar production, etc., can solve the problems of increasing the cost of replacing resin, pulverizing and destroying the resin, and prolonging the production cycle, and achieves saving resin consumption and regeneration. The effect of cost saving and recycling cost saving

Inactive Publication Date: 2004-08-18
XIWANG GROUP
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Problems solved by technology

[0006] 1. Due to the difference in the characteristics of the anion and cation exchange resins, the end point of reaching saturation is not the same. In the above-mentioned series combination, as long as one column reaches saturation, all production needs to be stopped and regenerated together, resulting in high regeneration costs. Prolonged production cycle affects production efficiency
[0007] 2. Since several columns are connected in series, the resistance is large, and the impact force formed when the sugar solution flows through the exchange column is large, which causes serious crushing damage to the resin itself, thus increasing the cost of replacing the resin

Method used

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  • Ion exchange technology in preparation of glucose
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Embodiment Construction

[0012] The sugar liquid after filtration and decolorization in the previous process is transported to the ion exchange process flow designed by the present invention, and successively passes through the parallel cation columns (1), (2), (3)—transfer buffer tank (4) And infusion pump (5)——pass through the parallel anion column (6), (7), (8) and then flow through the regulating column (cation column) (9), (10), and deliver to the next step of concentration and crystallization process.

[0013] Its main process operation control parameters are as follows:

[0014] The concentration of the sugar solution entering the separation process is 35-45%

[0015] Feed temperature is 40-50°C

[0016] The control parameter index of the outlet sugar liquid is PH 3.5-4.5

[0017] Conductivity<50us / cm

[0018] Light transmittance > 90%

[0019] The regeneration method of the resin column in this process is similar to that of the prior art. When the conductivity of the sugar solution at the ...

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Abstract

An ion exchange process for preparing glycose features that multiple cationic resin columns are parallelly connected into a group, multiple anionic resin columns are parallelly connected into a group, and both groups are connected via buffer tank and pump. Its advantages are regeneration of any resin column without stopping production, low cost for regeneration and saving resin by 30%.

Description

(1) Technical field: [0001] The invention belongs to a glucose production process, in particular to an ion exchange process in the glucose production process. (2) Technical background: [0002] Crystalline glucose is generally made from starch, which is processed through pulping, liquefaction, saccharification, slag removal, decolorization, separation, crystallization, separation, and drying. It is one of the important raw materials in food processing, medicine, industrial fermentation and other industries. [0003] In the existing glucose production process, the sugar liquid produced after starch preparation, liquefaction, and saccharification needs to go through the "ion exchange" process after being decolorized by activated carbon to further remove inorganic salts, organic acids, and small molecule pigments. and other impurities to further purify the sugar solution. [0004] The "ion exchange" process is mainly completed by making the sugar solution pass through the cat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07H3/02C13K1/08
Inventor 王勇王亮王岩崔宝贵陈翠花
Owner XIWANG GROUP
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