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Reduction of Contaminants from Municipal Wastewater of Salori Sewage Treatment Plant Using Electrochemical Membrane Bioreactor and Bioelectricity Generation

Yadav Saurabh, Kamsonlian Suantak, Gola Deepak, Pal Shubham

Ecological Engineering & Environmental Technology

2023

Vol. 24, iss. 1

264--271

Membrane bioreactor (MBR) is stable and rising wastewater treatment reactor though membrane fouling and energy expenditure remain operational impediments and challenges for the wider deployment of the MBR technology. The majority of municipal wastewater contains low quantities of suspended, dissolved inorganic and organic particles. Proteins, carbohydrates, synthetic detergents, lignin, soaps, lipids and their decomposition products, along with many natural and synthetic organic chemicals from industrial processes, are also examples of impurities present in water. In addition, municipal wastewater contains a variety of inorganic chemicals, such as heavy metals, which might have phytotoxic and health consequences, limiting its usage in agriculture. In this study, an electrochemical membrane bioreactor (EMBR) has been developed to reduce several impurities from real municipal wastewater; moreover bioelectricity was also generated simultaneously. The maximum removal of biological oxygen demand (BOD), chemical oxygen demand (COD) and total dissolved solid (TDS) were 35.57%, 31.55%, and 32.84 %, respectively, after a 5-day experimental run.