A kind of treatment method of neomycin sulfate production wastewater

Abstract

The invention provides a treatment method for neomycin sulfate production wastewater. The neomycin sulfate production wastewater after pretreatment in a production workshop is mainly divided into two types of wastewater: fermentation wastewater and extraction wastewater. After the fermentation wastewater passes through the ammonia distillation reactor to remove most of the ammonia, the advanced oxidation is used to reduce the titer of neomycin sulfate remaining in the wastewater, thereby reducing the inhibitory effect of the residual titer in the wastewater on the biochemical treatment, and the fermentation after the titer is removed The wastewater is treated with anaerobic biochemical treatment. After the anaerobic biochemical treatment, the fermentation wastewater and the extraction wastewater are mixed together and then subjected to two-stage A / O aerobic biochemical treatment and advanced treatment. Finally, the stable and efficient removal of various pollutants in the wastewater is achieved, and the effluent reaches "Water Pollutant Discharge Standards for Fermentation Pharmaceutical Industry" (GB21903-2008) Table 2 standard; this method adopts the classified collection and qualitative treatment of neomycin sulfate production wastewater; it has the advantages of reasonable process economy, high treatment efficiency, low treatment cost, Stable and reliable operation and other advantages.

Description

technical field [0001] The invention relates to a treatment method for neomycin sulfate production wastewater, which belongs to the field of wastewater treatment. Background technique [0002] Neomycin sulfate is an aminoglycoside antibiotic drug, which is produced by Streptomyces through culture and fermentation, and has a bactericidal effect on Gram-negative bacteria; Methanobacillus formate, a common methanogen in anaerobic biochemical treatment, is Gram-negative Or positive bacteria, Methanococcus, Methanospirillum henzii, and Methanothrix soxleyi are all Gram-negative bacteria; among anaerobic acid-producing bacteria, there are more Syntrophomonas wolfii and Syntrophobacillus waringii All are Gram-negative bacteria; most of the main bacteria that make up the aerobic activated sludge are Gram-negative bacteria, which can account for 70%. [0003] There is a certain amount of neomycin sulfate residue in the neomycin sulfate production wastewater, which is mainly concentr...

AI Technical Summary

Problems solved by technology

Compared with fermentation wastewater, extraction wastewater has lower pollutant content and lower antibiotic residues. If the production fermentation broth wastewater and extraction wastewater are mixed before entering the sewage treatment station and then undergo ammonia distillation, titer removal and anaerobic biochemical treatment, it will cost a lot of time Pharmacy costs, energy costs and infrastructure investment

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