Treatment method for industrial waste water produced by concentration isoelectric process for preparing sodium glutamate
A technology of sodium glutamate and industrial wastewater, applied in the direction of biological water/sewage treatment, aerobic and anaerobic process treatment, chemical instruments and methods, etc., can solve the problems of high daily operating costs, complete set of technology applications, and large one-time investment To achieve the effect of promoting nitrification and denitrification, increasing the amount of treated water, and promoting discharge standards
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Embodiment 1
[0036] (1) Take the monosodium glutamate wastewater produced by the concentrated isoelectric process, and the wastewater enters the pre-anaerobic pool UASB, and the hydraulic retention time is controlled to be 20h, and the temperature is 30°C, so that the macromolecular substances are broken into small molecules Substances, organic nitrogen is converted into inorganic nitrogen, and the effluent enters the sedimentation tank;
[0037] (2) Sedimentation tank Adding biological agents for advanced treatment, the biological agents include the following raw materials in parts by weight:
[0038] 7 parts of nitrosifying bacteria, 7 parts of aerobic denitrifying bacteria, 5 parts of Acinetobacter baumannii, 5 parts of Aspergillus niger, 5 parts of Rhodococcus, 3 parts of Alcaligenes faecalis, 3 parts of Streptomyces rubrum, Candida albicans 3 parts, Paenibacillus polymyxa 2 parts.
[0039] Described nitrosative bacteria are specifically nitrosative bacteria ( Nitrosomonas europaea )...
Embodiment 2
[0056] (1) Take the monosodium glutamate wastewater produced by the concentrated isoelectric process, and the wastewater enters the pre-anaerobic pool UASB, and the hydraulic retention time is controlled to be 20h, and the temperature is 30°C, so that the macromolecular substances are broken into small molecules Substances, organic nitrogen is converted into inorganic nitrogen, and the effluent enters the sedimentation tank;
[0057] (2) Sedimentation tank Adding biological agents for advanced treatment, the biological agents include the following raw materials in parts by weight:
[0058] 11 parts of nitrosative bacteria, 11 parts of aerobic denitrifying bacteria, 8 parts of Acinetobacter baumannii, 8 parts of Aspergillus niger, 8 parts of Rhodococcus, 5 parts of Alcaligenes faecalis, 5 parts of Streptomyces rubrum, Candida albicans 5 parts, Paenibacillus polymyxa 3 parts.
[0059] Described nitrosative bacteria are specifically nitrosative bacteria ( Nitrosomonas europaea ...
Embodiment 3
[0075] Embodiment 3 Treatment example of waste water effect
[0076] Get monosodium glutamate to extract wastewater, enter the sewage treatment system according to the method of embodiment 1-2 respectively, and the bottom material of the kettle, sample and measure COD, ammonia nitrogen, sulfide data;
[0077] Compared with Example 1, the control group 1 did not add compound bacterial agents; compared with Example 2, the control group 2 had only straw as the adsorbent carrier, and compared with Example 2, 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 shown in Table 1 below:
[0078] Table 1
[0079] control group 1 control group 2 control group 3 Example 1 group Example 2 group COD average removal rate 8.9% 47.3% 52.7% 99.5% 99.8% Ammonia nitrogen average removal rate 10.3% 51.5% 57.4% 99.4% 99.8% Sulfide 11.7% 39.5% 41.3%...
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