Biological agent for processing glutamic acid fermentation waste water

A technology of biological preparations and fermented wastewater, applied in multi-stage water/sewage treatment, food industry wastewater treatment, biological water/sewage treatment, etc., to achieve the effects of solving environmental pollution, improving animal disease resistance, and promoting animal growth

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

AI Technical Summary

Problems solved by technology

However, at present, there is no mature complete set of technology applied to production practice at home and abroad.
The main problem is that the one-time investment is too large, or the daily operation cost is too high, which cannot be afforded by most monosodium glutamate factories, and they have to maintain the status quo of excessive emissions for a long time

Method used

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  • Biological agent for processing glutamic acid fermentation waste water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Get the glutamic acid fermentation liquid of Fufeng workshop, adopt the following steps:

[0046] (1) The glutamic acid fermentation broth is separated from the cell protein by a high-speed disc separator, and the speed of the high-speed disc separator is 4000-5000r / min to collect the sterilization liquid and precipitate the cell protein;

[0047] (2) Add appropriate amount of warm water to the bacterial protein prepared in step (1) and mix thoroughly, adjust the solid content to 15%, put it into the fermentation device, adjust the pH to 6.0-7.0 with lime milk, add 1 / 10 (V / V, the volume is After adding water and mixing thoroughly, the 1 / 10) compound seed liquid of bacterial protein aqueous solution is stirred evenly, and the temperature is controlled at 32-34°C. During the cultivation process, intermittent ventilation and slow stirring are cultivated for 24 hours to obtain mature fermented liquid probiotics;

[0048] The compound seed solution is prepared by Saccharomyc...

Embodiment 2

[0065] Embodiment 2: the effect test of the probiotic agent prepared in embodiment 1:

[0066] Duroc

[0067] The control group drank tap water; the test group drank 1% probiotic aqueous solution (weight ratio), with an average initial weight of 24.2 kg,

[0068] The experimental group and the control group used 20 pigs each, randomly divided into groups, and fed under the same conditions for 98 days. The growth conditions are shown in Table 1:

[0069] Table 1: Comparison of weight gain in pigs with probiotics

[0070]

[0071] The data in Table 1 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 gastrointestinal diseases in the experimental group is significantly reduced, and the odor of feces is also significantly reduced. The number of mosquitoes and flies is also less than that of the control group, and the economic be...

Embodiment 3

[0073] Embodiment 3 Treatment example of waste water effect

[0074] Get Fufeng production workshop, extract waste water from glutamic acid, enter the sewage treatment system according to the method of embodiment 1, and use the 50L bucket as the test equipment with stirring, get 30L respectively, add in two buckets, adjust the pH to be 7.0, The water temperature was 20°C, and the data of COD, ammonia nitrogen and total nitrogen were measured by sampling; no biological agent was added to the control group, and the biological agent in Example 1 was added to the experimental group, and 20 grams of biological agent was added per cubic meter of bottom material each time, and added every day Once, 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 standard. The specific data is shown in Table 2:

[0075] Table 2

[0076] group COD a...

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Abstract

The invention relates to biological agent for processing glutamic acid fermentation waste water. Mycoprotein is separated from glutamic acid fermentation liquid through a high-speed disc separator, bacteria removing liquid is gathered, the mycoprotein is precipitated, compound seed liquid is added to the mycoprotein for preparing probiotics, the waste water generated by extracting glutamic acid from the bacteria removing liquid is drained into a sewage processing system, compound microorganism bacterium agent is added to the waste water to perform advanced treatment, and the waste water is discharged after reaching the standard. The biological agent for processing glutamic acid fermentation waste water is economical and environmental friendly and has broad application prospect.

Description

technical field [0001] The invention relates to the field of glutamic acid extraction technology in the biological fermentation industry, and specifically provides a biological preparation for treating glutamic acid fermentation wastewater. Background technique [0002] With the rapid development of the economy and the continuous improvement of technology, my country has become a major producer and consumer of monosodium glutamate, but the amount of wastewater discharged during the production of monosodium glutamate is large, and the mother liquor discharged from the monosodium glutamate fermentation broth after isoelectric extraction of glutamic acid has CODCr High, high BOD5, high bacteria content, high sulfate radical (chloride ion before pH adjustment with sulfuric acid) content, high ammonia nitrogen content and low pH value (1.5-3.2) are characterized by "five highs and one low". It is a kind of industrial wastewater that is very difficult to treat. Due to the ineffec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/34C02F9/14C02F103/32
Inventor 王均成张传森包鑫程文焕卢松朱心双贺雪梅
Owner 内蒙古阜丰生物科技有限公司
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