A method for harmless treatment of antibiotic fermentation slag that can be used in the manufacture of organic fertilizers
A penicillin fermentation and bacteria residue technology, which is applied to organic fertilizers, fertilizers made from biological wastes, applications, etc., can solve the problems of resource waste and increase the cost of antibiotic fermentation bacteria residue treatment, etc.
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Embodiment 1
[0061] Mix 60 tons of penicillin fermented bacteria residue with water and mix evenly to make 100m 3 suspension, add 30% peracetic acid 1m 3 , stirred and reacted for 1 hour, and stood still for 7 hours, the pH of the bacteria residue liquid was 2, and the pH was adjusted to 6 with ammonia water. After adding the coagulation filter aid, it was filtered with a filter press to obtain a wet filter cake of bacteria residue with a water content of 77%. The slag-wet filter cake was dried at 90° C. for 120 minutes with a paddle-type continuous dryer to obtain 10.2 tons of dried fungus slag.
[0062] The test results of dry bacteria residue are as follows:
[0063] (1) Penicillin residues were not detected by liquid phase method and liquid mass method.
[0064] (2) Single-dose toxicity test by intragastric administration in mice, no obvious systemic toxic reaction was observed for 14 consecutive days.
[0065] project index Test results Exterior Brown or taupe, ...
Embodiment 2
[0068] Mix 60 tons of penicillin fermented bacteria residue with water and mix evenly to make 100m 3 suspension, add 30% peracetic acid 0.7m 3 , stirred and reacted for 1 hour, and stood still for 11 hours. The pH of the bacteria residue liquid was 3, and the pH was adjusted to 7 with ammonia water. The slag-wet filter cake was dried at 100° C. for 60 minutes with a paddle-type continuous dryer to obtain 9.1 tons of dried fungus slag.
[0069] The test results of dry bacteria residue are as follows:
[0070] (1) Penicillin residues were not detected by liquid phase method and liquid mass method.
[0071] (2) Single-dose toxicity test by intragastric administration in mice, no obvious systemic toxic reaction was observed for 14 consecutive days.
[0072] project index Test results Exterior Brown or taupe, granular or powdery, uniform, no foul smell, no mechanical impurities Brown, granular, uniform, no foul smell, no mechanical impurities Mass frac...
Embodiment 3
[0075] Mix 60 tons of penicillin fermented bacteria residue with 20 tons of water and 20 tons of biodiesel and mix evenly to make 100m 3 suspension, add 30% hydrogen peroxide 1m 3 , stirring and reacting for 1 hour, and standing for 7 hours, the pH of the bacteria residue liquid was 2, and the pH was adjusted to 7 with ammonia water. The slag-wet filter cake was dried at 90° C. for 120 minutes with a paddle-type continuous dryer to obtain 11.6 tons of dried fungus slag.
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