Preparation method and preparation system of inulin

A preparation system and inulin technology, which are applied in the field of inulin preparation methods and preparation systems, can solve problems such as reducing product economic benefits, increasing environmental protection pressure, and generating desalination wastewater, thereby reducing subsequent concentration costs, reducing equipment costs, and increasing products. effect of concentration

Pending Publication Date: 2018-08-21
厦门欣赛科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method is simple in operation and low in cost, but when using Ca(OH) 2 -CO 2 or Ca(OH) 2 -SO 2 When removing impurities and clarifying the crude inulin extract, a large amount of calcium bicarbonate or calcium bisulfate will be produced. Calcium bicarbonate or calcium bisulfate is easily soluble in water, which brings great pressure to the subse

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  • Preparation method and preparation system of inulin

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Example Embodiment

[0030] Example 1

[0031] Take the Jerusalem artichoke extract and treat it with Ca(OH) 2 -CO 2 After impurity removal and clarification and activated carbon decolorization, the solid content in the material liquid is 10%, the calcium ion content is 1000ppm, and the conductivity is 7000us / cm; after the material liquid is softened by the resin, the conductivity is 10000us / cm and the calcium ion content is 50ppm; After the softened material liquid is filtered and concentrated with a nanofiltration membrane with a molecular weight cut-off of 150 Daltons and eluted with water, the solid content in the material liquid is increased to 24%, the conductivity is reduced to 4000us / cm, and the monosaccharide content is reduced to 5% When the following, continuous ion exchange desalination and decolorization are carried out, and when the conductivity is further reduced to below 100us / cm, the solids concentration of the material liquid is 23%; then the high pressure resistance organic reverse ...

Example Embodiment

[0033] Example 2

[0034] Take the Jerusalem artichoke extract and treat it with Ca(OH) 2 -CO 2 After impurity removal and clarification and activated carbon decolorization, the solid content in the material liquid is 10%, the calcium ion content is 800ppm, and the conductivity is 7000us / cm; after the material liquid is softened by the resin, the conductivity is 8000us / cm and the calcium ion content is 35ppm; After the softened material is filtered and concentrated with a nanofiltration membrane with a molecular weight cut-off of 300 Daltons and eluted with water, the solid content in the material is increased to 24%, the conductivity is reduced to 3500us / cm, and the monosaccharide content is reduced to 5% When the following, continuous ion exchange desalination and decolorization are carried out, and when the conductivity is further reduced to below 100us / cm, the solids concentration of the material liquid is 23%; then the high-pressure resistant organic reverse osmosis membrane ...

Example Embodiment

[0035] Example 3

[0036] Take the inulin slurry and pass it to Ca(OH) 2 -SO 2 After impurity removal and clarification and activated carbon decolorization, the solid content in the material liquid is 10%, the calcium ion content is 600ppm, and the conductivity is 4000us / cm; after the material liquid is softened by the resin, the conductivity is 7000us / cm and the calcium ion content is 28ppm; After the softened material is filtered and concentrated by a nanofiltration membrane with a molecular weight cut-off of 200 Dalton and eluted with water, the solid content in the material is increased to 24%, the conductivity is reduced to 3600us / cm, and the monosaccharide content is reduced to 5% When the following, continuous ion exchange desalination and decolorization are carried out, and when the conductivity is further reduced to below 100us / cm, the solids concentration of the material liquid is 23%; then the high-pressure resistant organic reverse osmosis membrane module with a pressu...

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Abstract

The invention discloses a preparation method of inulin. The preparation method of the inulin is characterized by comprising the following steps: performing impurity removal and clarification on inulinleaching liquid or inulin slurry with Ca(OH)2-CO2 or Ca(OH)2-SO2, decoloring with activated carbon, and performing resin softening, nanofiltration concentration, resin desalting and decoloring, concentration and spray drying to obtain an inulin product. The invention also discloses a preparation system of the inulin. The preparation method and the preparation system of the inulin adopt resin softening, nanofiltration concentration, desalting and monosaccharide removal, resin desalting and concentration processes, so that equipment and operation cost can be effectively reduced, and equipment scaling, the use amount of water and the subsequent waste water generation quantity can be reduced.

Description

technical field [0001] The invention relates to the field of inulin operation, in particular to an inulin preparation method and a preparation system. Background technique [0002] Inulin (inulins), also known as inulin, is widely distributed in nature. It is a kind of carbohydrates of natural fructans. It has the characteristics of fructooligosaccharides and dietary fiber. It exists in a colloidal state in the tubers and chicory roots, and its structure is a straight-chain fructose side chain structure formed by the polymerization of D-fructofuranose residues (F) through dehydration and β-(2-1)-glycosidic bonds. , the end can be connected with a glucose residue (G). According to different fructose side chains, the polymerization degree of inulin is between 2-60, and the average polymerization degree is 30. [0003] The physiological functions of inulin mainly include: regulating the balance of blood sugar and blood lipids, improving the circulation and metabolism of nutri...

Claims

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Application Information

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IPC IPC(8): C08B37/18
CPCC08B37/0003C08B37/0054
Inventor 李章万陈道厚郑朝晖连美盆卢伯福连引得
Owner 厦门欣赛科技有限公司
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