Removal of organic matter and nutrients from hospital wastewater by electro bioreactor coupled with tubesettler

Author:

Khan Roohul Abad,Morabet Rachida El,Khan Nadeem A,Ahmed Sirajuddin,Alsubih Majed,Mubarak Nabisab Mujawar,Dehghani Mohammad Hadi,Karri Rama Rao,Zomorodiyan Nooshin

Abstract

AbstractWastewater consisting of different pharmaceuticals and drug residues is quite challenging to treat and dispose of. This situation poses a significant impact on the health aspect of humans and other biotic organisms in the environment. The main concern of hospital wastewater (HWW) is the resistivity towards treatment using the different conventional methods. For the treatment of HWW, this study was performed using an electro bioreactor using hospital wastewater. The electro reduction overcomes the effect of toxic elements in hospital wastewater, and biodegradation removes organic matter and nutrients from wastewater. This study investigated electro bioreactor performance for treating hospital wastewater connected with tubesettler. The parameters of chemical oxygen demand, nitrate, and phosphate concentration were analyzed to evaluate an influent and effluent from electro bioreactor and tubesettler. Also, Kinetic modelling for chemical oxygen demand, nitrate, and phosphate removal was done. The chemical oxygen demand was reduced by 76% in electro bioreactor, and 31% in tubesettler, 84%. The nitrate and phosphate were reduced within permissible discharge limits with a final effluent concentration of 1.4 mg L−1 and 3 mg L−1. Further studies are required to assess the impact of pharmaceutical compounds in hospital wastewater on the system's performance.

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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