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Clean production technique of crystalline dextrose

A technology for crystallizing glucose and clean production, applied in the field of glucose production, can solve problems such as environmental pollution, achieve clean production process, promote nitrification and denitrification effect, and reproduce quickly.

Active Publication Date: 2015-10-07
HULUNBEIER NORTHEAST FUFENG BIOTECHNOLOGIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent CN 201310494180 discloses an energy-saving and environment-friendly production method for crystalline glucose. This method reduces the discharge of waste water, but still causes some pollution to the environment. Therefore, it is particularly important to develop a clean production process for crystalline glucose.

Method used

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  • Clean production technique of crystalline dextrose

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A clean production process for crystalline glucose, comprising the steps of:

[0023] Step 1) Separation of waste liquid: use α-amylase to saccharify starch milk to obtain glucose liquid, which is concentrated to half the volume, and the concentrated feed liquid enters the crystallization tank, and centrifuge separates to obtain crystals and waste liquid. Crystal drying to obtain crystalline glucose;

[0024] Step 2) Preparation of biocarriers:

[0025] A) Weigh the following raw materials in parts by weight for later use, including 1 part of straw, 1 part of silica gel powder, 2 parts of chitin, 3 parts of kaolin, 5 parts of starch ether, 7 parts of polyacrylamide, 10 parts of polyvinyl alcohol, 25 parts of water; wherein, the particle size of the silica gel powder is 200 mesh; the stalk is corn stalk;

[0026] B) Pulverize the straw with a pulverizer, then add kaolin, mix evenly, and grind to 100 mesh mixed powder;

[0027] C) Add silica gel powder, chitin, starch ...

Embodiment 2

[0033] A clean production process for crystalline glucose, comprising the steps of:

[0034] Step 1) Separation of waste liquid: use α-amylase to saccharify starch milk to obtain glucose liquid, which is concentrated to half the volume, and the concentrated feed liquid enters the crystallization tank, and centrifuge separates to obtain crystals and waste liquid. Crystal drying to obtain crystalline glucose;

[0035] Step 2) Preparation of biocarriers:

[0036] A) Weigh the following raw materials in parts by weight for later use, including 2 parts of straw, 2 parts of silica gel powder, 3 parts of chitin, 4 parts of kaolin, 6 parts of starch ether, 9 parts of polyacrylamide, 12 parts of polyvinyl alcohol, 30 parts of water; wherein, the particle size of the silica gel powder is 200 mesh; the straw is wheat straw;

[0037] B) Pulverize the straw with a pulverizer, then add kaolin, mix evenly, and grind to 100 mesh mixed powder;

[0038] C) Add silica gel powder, chitin, star...

Embodiment 3

[0044] The effect test of cleaning process of the present invention to treat waste liquid:

[0045] Control group 1: use sawdust carrier; the type of microorganisms is the same as that of the test group; treatment method: after three days of continuous dosing, 5g / m3 per day, and then stand for six days, the test and treatment results are shown in Table 1.

[0046] Control group 2: The carrier is the same as in Example 2, the difference is that only three kinds of bacteria are added, but no algae is added; treatment method: add 5g / cubic meter on the first day, and then let it stand for six days. See the test results in Table 1.

[0047] Test group: according to the process of Example 2 of the present invention.

[0048] Table 1

[0049]

[0050] Conclusion: The cleaning process of the present invention is simple and feasible to treat the crystallized glucose waste liquid, has good effect of removing pollutants, and is low in cost; the biological carri...

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Abstract

The invention belongs to the technical field of glucose production, and discloses a clean production technique of crystalline dextrose, which comprises the following steps: 1) separating waste liquor; 2) preparing a biological carrier; 3) preparing a biological agent; and 4) carrying out biological oxidation treatment. The clean technique for treating crystalline dextrose waste liquor is simple and feasible, and has the advantages of favorable pollutant removal effect and low cost.

Description

technical field [0001] The invention belongs to the technical field of glucose production, and in particular relates to a clean production process of crystalline glucose. Background technique [0002] Starch sugar is a type of starch deep-processing product with the largest output. Starch sugar is divided into liquid starch sugar and solid starch sugar. Liquid starch sugar includes glucose syrup, maltose syrup, fructose syrup containing 42% fructose and high fructose syrup containing 55% fructose; solid starch sugar mainly includes crystalline glucose, crystalline fructose, malt Dextrin and polysaccharide alcohols, etc. At present, the starch sugar widely demanded in the market is crystalline glucose. Crystalline glucose is generally made from starch, which is processed through starch pulping, liquefaction, saccharification, slag removal, decolorization, resin adsorption, crystallization, separation, and drying. It is an important raw material in food processing, ph...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N11/14C12N11/10C12N11/08C02F3/34C02F3/32C12R1/125C12R1/89C12R1/01
Inventor 赵凤良刘永国刘化庄董力青
Owner HULUNBEIER NORTHEAST FUFENG BIOTECHNOLOGIES CO LTD
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