Microbial preparation for processing industrial fermentation wastewater

A technology for fermenting wastewater and preparations, which is applied in the direction of microorganism-based methods, microorganisms, and natural water treatment. It can solve the problems of large one-time investment in chromatographic separation, low threonine content in the extract, and large consumption of ion-free water. The effect of increasing the amount of treated water, unique treatment effects, and reducing operating costs

Inactive Publication Date: 2016-01-27
张胜平
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the one-time investment of chromatographic separation is large, and the cost recovery period is long; at the same time, this method needs to pretreat the raw materials, which will consume a large amount of ion-free water, and the obtained extract has a low content of threonine, and the concentration will consume a large amount of time. Electricity and steam, the total production cost of which is slightly lower than the previous two methods

Method used

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  • Microbial preparation for processing industrial fermentation wastewater

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Experimental program
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Effect test

Embodiment 1

[0032] (1) The industrial waste water produced by threonine produced by the concentrated isoelectric process enters the pre-anaerobic tank UASB, controls a certain hydraulic retention time, and the effluent enters the sedimentation tank;

[0033] (2) The sedimentation tank adds microbial preparation advanced treatment, and described microbial preparation, it comprises the raw material of following weight portion:

[0034] 7 parts of nitrosative bacteria, 7 parts of Trichoderma longibrachiae, 5 parts of aerobic denitrifying bacteria, 5 parts of Acinetobacter baumannii, 4 parts of Aspergillus niger, 3 parts of Alcaligenes faecalis, 3 parts of Streptomyces rubrum, white Candida 1 part, Paenibacillus polymyxa 1 part.

[0035] The nitrosogenic bacteria are specifically Nitrosomonaseuropaea ATCC19718;

[0036] The long branch Trichoderma is Trichoderma longibrachinatum (Trichodermallongibrachinatum) CGMCCNO.8331 (see CN103710267A)

[0037] The aerobic denitrifying bacteria is aero...

Embodiment 2

[0052] Example 2 of the effect of treating waste water

[0053] Get threonine fermentation wastewater, enter the sewage treatment system according to the method of embodiment 1, and take samples to measure COD, ammonia nitrogen, and sulfide data;

[0054] Compared with Example 1, the control group 1 did not add compound bacterial agents; compared with Example 1, the control group 2 had only straw as the adsorbent carrier, and compared with Example 1, the control group 3 had only humic acid as the adsorbent carrier. Sampling and determination of COD, ammonia nitrogen, and sulfide data, the test data are as follows in Table 1:

[0055] Table 1

[0056]

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Abstract

The invention relates to a microbial preparation for processing industrial fermentation wastewater. The microbial preparation is prepared by mixing nitrosobacterium, Trichoderma longibrachiatum Rifai, aerobic denitrifying bacterium, acinetobacter baumannii, aspergillus niger, alcaligenes faecalis, Streptomyces lateritius, Candida albicans, Paenibacillus polymyxa and an adsorbent carrier. The microbial preparation contains multiple microbes having excellent ability of degrading non-biodegradable pollutants. Through reasonable compatibility between various strains, the microbial preparation has a good degradating effect and has a wide application prospect.

Description

technical field [0001] The invention relates to the field of industrial wastewater treatment, and specifically discloses a microbial preparation for treating industrial fermentation wastewater. Background technique [0002] A lot of refractory waste water will be produced in the fermentation process of amino acid industry. The production methods of threonine mainly include fermentation method, protein hydrolysis method and chemical synthesis method, among which microbial fermentation method has become the mainstream method of threonine production. The production of threonine by fermentation requires fermentation, membrane filtration, concentrated crystallization, centrifugation, drying, screening, packaging and other technological operations. After centrifugation of the concentrated solution, a large amount of threonine mother liquor will be produced. Impurities such as amino acids, proteins, residual sugars, and inorganic salts. [0003] The separation and purification of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12N1/14C02F3/34C12R1/01C12R1/685C12R1/465C12R1/725C12R1/12C12R1/645C02F103/36
Inventor 张胜平杨琳张振豪
Owner 张胜平
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