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Environment-friendly technology for cleanly producing sodium glutamate

A technology of sodium glutamate and clean production, applied in the direction of microorganism-based methods, microorganisms, food industry wastewater treatment, etc., to achieve the effects of fast reproduction, cost reduction, and ammonia consumption saving

Active Publication Date: 2014-12-24
内蒙古阜丰生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Compared with the traditional process, the present invention provides a method of using sodium carbonate instead of liquid ammonia to neutralize the fermentation liquid and directly produce sodium glutamate, so as to reduce the cost of fermentation raw materials and solve the problem of using a large amount of acid in the separation process of subsequent extraction problem, solve the pollution problem in the production process of sodium glutamate

Method used

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  • Environment-friendly technology for cleanly producing sodium glutamate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Carry out fermentation with glucose as raw material, wherein the glucose is 1 ton, then add liquid ammonia and sodium carbonate solution to the fermentation broth, the molar ratio of liquid ammonia and sodium carbonate is 2:1, and obtain a pH of 6.9 containing sodium glutamate The fermentation liquid of the crude product, the two are added at the same time to obtain the fermentation liquid containing the crude product of sodium glutamate, and then the fermentation liquid containing the crude product of sodium glutamate is filtered through a plate frame or a micromembrane to remove bacterial protein and the micromembrane The pore size is 0.04 μm, centrifuged at 2000 r / min for 3 minutes, and the sterilized solution is collected. The sterilizing solution is pumped into the decolorizing tank for decolorization treatment, and powdered activated carbon with a mass of 1.5% of the sterilizing solution is added to the decolorizing tank, the temperature in the decolorizing tank is...

Embodiment 2

[0058] Take the waste water from the fermentation workshop of Fufeng monosodium glutamate production, and enter the sewage treatment system according to the method of Example 1. Use a 50L bucket as the test equipment with stirring. Take 30L respectively and add them to two buckets. Adjust the pH to 7.0 and the water temperature to 20°C , sampling measurement COD, ammonia nitrogen, total nitrogen data; The control group does not add compound bacterial agent, and experimental group adds compound bacterial agent in embodiment 1, adds 20 grams of microbial preparations every time by every cubic meter of kettle bottom material, and every day adds 1 After one week of continuous dosing, samples were taken to measure COD, ammonia nitrogen, and total nitrogen data. The treated wastewater fully met the discharge standards, as shown in Table 1:

[0059] Table 1: Processing data

[0060]

Embodiment 3

[0062] The probiotic effect test prepared by embodiment 1:

[0063] Duroc

[0064] The control group drank tap water; the test group drank 1% probiotic aqueous solution (weight ratio), with an average initial weight of 24.2kg,

[0065] The test group and the control group used 20 pigs each, divided into random groups, and raised them under the same conditions for 98 days. The growth conditions are shown in Table 2:

[0066] Table 2: Comparison of weight gain in pigs with probiotics

[0067] group Number of cases initial weight 33d weight 66d weight 98d weight gain weight control group 20 24．2 48．1 71．5 92．7 / test group 20 24．2 53．3 80．5 104．7 12．9％

[0068] The data in Table 2 show that the growth ability of the pigs in the experimental group is significantly higher than that in the control group. During the breeding period, the occurrence of diarrhea, constipation and other digestive tract diseases in the experimental group i...

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Abstract

The invention relates to an environment-friendly technology for cleanly producing sodium glutamate. The environment-friendly technology comprises the following steps of: simultaneously adding liquid ammonia and sodium carbonate into sodium glutamate fermentation liquor for reaction, and thereby obtaining coarse fermentation liquor; filtering by micromembrane, and collecting degerming liquid and mycoprotein; adopting the mycoprotein to prepare probiotics, pumping the degerming liquid into a bleaching tank to perform decoloration process, and concentrating and crystallizing to obtain sodium glutamate coarse crystal; then refining and processing waste water; the technology is economical and environment-friendly, and has wide application prospects.

Description

technical field [0001] The invention relates to the technical field of extracting sodium glutamate in the biological fermentation industry, and specifically provides an environmentally friendly process for cleanly producing sodium glutamate. Background technique [0002] The chemical name of sodium glutamate is monosodium α-aminoglutarate, which is a salt formed by sodium ions and glutamate ions, in which glutamic acid is an amino acid and sodium is a metal element. The main ingredient of seasoning MSG commonly used in life is sodium glutamate. Monosodium glutamate is a commonly used flavoring agent in daily life, which can increase the umami taste of food and help improve the digestibility of food by the human body. In addition, sodium glutamate has very important functions and is widely used in food, medicine, industry and agriculture. [0003] The following problems exist in the production process of sodium glutamate at present: [0004] On the one hand: during the fe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12N1/18C07C229/24C07C227/18C02F3/34C12R1/25C12R1/865C02F103/32
Inventor 张传森王均成徐田野张修军包鑫卢松朱心双
Owner 内蒙古阜丰生物科技有限公司
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