Abstract
The hospital wastewater treatment is challenging, owing to complex constituents additional to conventional wastewater parameters. Many research works have evaluated sequencing batch reactor (SBR) and membrane bioreactor (MBR) performance but in terms of hospital wastewater treatment work is still lacking. This study performed a comparative study of sequencing batch reactor (SBR) and (MBR) in treating hospital wastewater. The SBR exhibited 88% removal efficiency in BOD5 removal exceeding MBR 78%, while in case of COD removal, SBR exceeds far well ahead with 86% removal efficiency as compared to 65% removal in case of MBR treatment. The removal efficiency is also validated by removal efficiency of total suspended solids (TSS) 87% and 83% and for mixed liquor suspended solids (MLSS) by 85% and 80% for SBR and MBR, respectively. The findings of the study aid in providing a comprehensive understanding, in order to select/adopt appropriate guidelines in selection of MBR and SBR applications for hospital wastewater treatment.
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