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ISSN 2063-5346
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Biological Treatment of Pharmaceutical Waste Water from the Antibiotic Industry

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Madhubanti Mukhopadhyay, Jitendra Malviya, Vivek Chourasia, Samisha Sharma, Sunita Singh
» doi: 10.31838/ecb/2023.12.sa1.275

Abstract

SBRs (sequencing batch reactors) and MBRs (Aerobic membrane bioreactors) were used to treat the pharmaceutical firm's effluent, which came from an antibiotic (Penicillin) company. Both kinds of reactors were able to treat wastewater when the organic loading rate was low, or 0.22kg- COD m3d1, such that the treated wastage complied with discharge regulations other than for the TDS. However, there were problems with foaming when the loading rate was raised to 2.92kg- COD m3d1, which further contributed to inconsistent performance. In terms of the aromatic chemical degradation, as measured by UVA (UV absorbance), it was found that the SBRs outperformed the MBRs in solid removal. Finally, two different streams were subjected to ozonation, and the results on the strong streams—which correspond to the formulation effluent and include the majority of the bio-refractory compounds—showed promise. Successful ozonation resulted in a reduction in UVA, a decrease in pH, and a rise in the ratio of the strong stream's BOD5: COD (biochemical oxygen demand to chemical oxygen demand). Due to its lack of selectivity for refractory chemicals, it was less effective when applied to effluents that had already received pre-treatment by a bio-filter

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