Abstract

Demonstration of an electrochemical toilet wastewater treatment and disinfection technology at the scale of an apartment building and translation of the system into a commercial product.

Highlights

  • The biological treatment processes like the complete mix activated sludge process and sequencing batch reactor process are proven effective for significant removal of organic and nutrient loading from wastewater,[6] they do not ensure complete removal of pathogens

  • This paper reports, for the first time, the demonstration of a combined biological and electrochemical disinfection technology at the scale of an apartment building

  • Blackwater from two apartment buildings in India was treated onsite for 12+ months, producing over 180 000 L of reclaimed water

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Summary

Introduction

The biological treatment processes like the complete mix activated sludge process and sequencing batch reactor process are proven effective for significant removal of organic and nutrient loading from wastewater,[6] they do not ensure complete removal of pathogens. If this treated wastewater is to be reused, several site-specific regulations for disinfection are enforced.[6] Schmalz et al acknowledged that electrochemical oxidation could be a promising alternative to membrane filtration, ozonation, UV irradiation and chlorination for the disinfection of biologically treated effluents.[7] the study proposed that the combination of biological and electrochemical treatment.

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