International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064




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Research Paper | Environmental Microbiology | Zimbabwe | Volume 11 Issue 7, July 2022 | Rating: 4.6 / 10


Performance Evaluation of Cultured Bacteria in the Treatment of Opaque Beer Brewery Wastewater

Kauro-Marume P | Gomo B


Abstract: An evaluation of the performance of a mixed culture of bacteria in reducing the organic content of effluent from an opaque beer brewing plant was carried out in this study. In this study brewery wastewater characterization was done and bacterial culture was then added to the wastewater. Biological treatment was done at ambient temperature to reduce the chemical oxygen demand (COD). The maximum treatment efficiency (TE) achieved in terms of COD was 72 % and for Permanganate Value (PV) it was 69 % whilst the Total solids (TSS) reduction was from 1220 mg/L to 400mg/L. The results indicated that the mixed culture was effective for treating opaque beer brewery wastewater at room temperature 250C to meet the specified quality parameters of the effluent that can be discharged into municipal waterworks. Breweries can therefore apply enhanced biological methods to reduce the organic content of their wastewater.


Keywords: Cultured bacteria, brewery wastewater, biological treatment, efficiency


Edition: Volume 11 Issue 7, July 2022,


Pages: 1830 - 1833



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