Composite bacterial agent for degrading waste gas of coal chemical sewage station, preparation method and application
A compound bacterial agent and coal chemical technology, applied in biochemical equipment and methods, chemical instruments and methods, methods based on microorganisms, etc., can solve the problems of long film-hanging time, large site limit, and slow microbial growth, etc., to achieve The effect of shortening the film-hanging time, saving time and cost, and high efficiency of waste gas treatment
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Embodiment 1
[0027] (1) Determination of exhaust gas composition of coal chemical sewage station
[0028] After collecting the exhaust gas discharged from the coal chemical industry sewage station, gas chromatography gas detection is carried out. The analysis results show that the main pollutants are: ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan, methyl sulfide, dimethyl disulfide, carbon disulfide and styrene, etc. gas.
[0029] (2) Biological trickling filter test device
[0030] Design and manufacture a processing capacity of 40m 3 / h, the residence time is 15s, the bio-trickling filter tower test equipment made of PP material, using volcanic rock, bark, shell powder, etc. Etc., supporting fans, water pumps, temperature control, gas flow meters, portable VOCs gas detectors, hydrogen sulfide detectors, ammonia gas detectors, etc.
[0031] Place the biological trickling filter tower near a coal chemical sewage station in Shaanxi, take the mixed waste gas from the sewage ...
Embodiment 2
[0052] Compared with Example 1, the composite bacterial agent is mixed according to the following mass parts ratio, Pseudomonas putida 20%, Bacillus subtilis 15%, Bacillus cereus 20%, Thiobacillus thiooxidans 20%, Lactobacillus plantarum 15% , Nitrifying bacteria 10%.
Embodiment 3
[0054] Compared with Example 1, the composite bacterial agent is mixed according to the following mass parts ratio, Pseudomonas putida 25%, Bacillus subtilis 20%, Bacillus cereus 20%, Thiobacillus thiooxidans 15%, Lactobacillus plantarum 10% , Nitrifying bacteria 10%.
[0055] 2. The application of the compound bacterial agent for degrading the waste gas of the coal chemical sewage station, the specific operation steps are as follows:
[0056] (1) Bacteria activation
[0057] Add the above-mentioned compound bacterial agents of Example 1, Example 2, and Example 3 to the portable strain activation device, add appropriate water, turn on the stirring device to fully dissolve, turn on the aeration and oxygenation, and turn on the temperature control device to maintain the temperature. At 25-30°C for 2-3 hours, activate the dormant microorganisms.
[0058] (2) bacteria hanging film
[0059] Add the activated bacteria solution to 40m according to the volume ratio of 5% 3 / h in t...
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