Economic evaluation of ion-exchange processes for nutrient | ResearchBunny

Index

Abstract

This study economically evaluates ion exchange (IEX) processes for nutrient removal and recovery from municipal wastewater, comparing them to traditional biological nutrient removal (BNR). Two IEX configurations were designed for a 10,000 population equivalent plant and coupled with activated sludge or anaerobic membrane processes. The 40-year whole life cost (WLC) of IEX was 17-27% lower than BNR, with annual recovery of ~98 tonnes of (NH₄)₂SO₄ and 3.4 tonnes of Ca₅(PO₄)₃(OH). Lower costs, reduced greenhouse gas emissions, and nutrient recovery make IEX an attractive alternative.

Publisher

npj Clean Water

Published On

Mar 18, 2020

Authors

Xiangjun Huang, Samuela Guida, Bruce Jefferson, Ana Soares

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