Abstract
Abstract Constructed wetland (CW) is an effective and economical decentralized wastewater treatment (DWWT) method implemented in various developing nations. Such CW-treated water may be good for meeting discharge norms but when it comes to high-end reuse, it requires polishing and integration with advanced oxidation process (AOP)-based treatment. In this pursuit, TERI (The Energy and Resources Institute) Advanced Oxidation Technology (TADOX®) may be able to polish such streams and make the CW-treated water reusable. TADOX utilizes UV-TiO2 Photocatalysis (PC) as a secondary treatment followed by nanomaterial recovery. This study aims at evaluating TADOX treatment to polish treated water from a root zone treatment (RZT) plant. Performance evaluation of the treatments is evaluated based on key parameters for treated sewage water such as chemical oxygen demand (COD), biochemical oxygen demand (BOD), suspended solids, color, pathogens (total and thermotolerant coliforms), and persistent organic pollutants (POPs) such as caffeine, acetaminophen, ibuprofen, and diclofenac.
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