Table 4.

Treatment methods used for brewery effluent and the efficient removal of chemical oxygen demands (CODs).

Process	COD Removal Rate (%)
Microbial fuel cells	94 [48]
Membrane bioreactor	96 [41]
Nanofiltration	96 [2]
Upflow anaerobic sludge blanket reactor	73–91 [49]
Reverse osmosis	100 [49]

Adapted from Simate et al. [11].