| abstract |
The invention relates to a method for treating folic acid waste mother liquor, which comprises the steps of pretreating the waste mother liquor, carrying out iron-carbon micro-electrolysis, carrying out Fenton oxidation, adjusting the pH value, and removing NH by ammonia blowing by using aniline, ammonia nitrogen and nitrate as main pollutants 3 N, adjusting pH value, anaerobic treatment, aerobic treatment, precipitating effluent and filtering and adsorbing combined process treatment, wherein the quality of the treated effluent meets the discharge standard in chemical synthesis pharmaceutical industry water pollutant discharge standard (GB 21904-2008) and then is discharged: COD < 200ppm, NH 3 ‑N＜30ppm。 |