NDLI: Sequencing Batch Reactor Performance Evaluation on Orthophosphates and COD Removal from Brewery Wastewater

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Sequencing Batch Reactor Performance Evaluation on Orthophosphates and COD Removal from Brewery Wastewater

Content Provider	MDPI
Author	Khumalo, Siphesihle Mangena Bakare, Babatunde Femi Tetteh, Emmanuel Kweinor Rathilal, Sudesh
Copyright Year	2022
Description	The discharge of industrial effluent constituting high orthophosphates and organic pollutants in water receiving bodies compromises freshwater quality and perpetuates eutrophication. In this study, an anaerobic–aerobic sequencing batch reactor (SBR) under activated sludge was investigated for orthophosphates and chemical oxygen demand (COD) removal from brewery wastewater. Raw brewery wastewater samples were collected on a daily basis for a period of 4 weeks. The findings of the study are reported based on overall removal efficiencies recording 69% for orthophosphates and 54% for total COD for a sludge retention time (SRT) of 7 days and hydraulic retention time of 18 h at mesophilic temperature conditions of ±25 °C. Moreover, the SBR system showed stability on orthophosphate removal at a SRT ranging from 3 to 7 days with a variation in organic volumetric loading rate ranging from 1.14 to 4.83 kg $COD/m^{3}$.day. The anaerobic reaction period was experimentally found to be 4 h with the aerobic phase lasting for 14 h. The SBR system demonstrated feasibility on orthophosphates and COD removal with variation in organic loading rate.
Starting Page	296
e-ISSN	23115637
DOI	10.3390/fermentation8070296
Journal	Fermentation
Issue Number	7
Volume Number	8
Language	English
Publisher	MDPI
Publisher Date	2022-06-23
Access Restriction	Open
Subject Keyword	Fermentation Environmental Engineering Orthophosphates Chemical Oxygen Demand Sequencing Batch Reactor Brewery Wastewater Solid Retention Time
Content Type	Text
Resource Type	Article

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