Improved understanding and use of generated oxidizing species in liquid waste disinfection

2016 - 2017 • Duke University

Purpose

To assess the feasibility of electrochemically inactivating Helminth eggs using a packed bed electrochemical reactor

Activities

Electrochemical disinfection is a very interesting approach for decentralized wastewater treatment and provides key benefits such as: in-situ generation of disinfectants, no need to supply and store chemicals, simple and relatively low maintenance processes compared to conventional cleaning procedures. Duke University proposes to advance the understanding of electrochemical processes applied to wastewater disinfection and reuse.

Images

Image: Experimental setup

Location

Detailed location of main activity  Countries of activity

Objectives

1. To assess the feasibility of efficiently and electrochemically disinfecting blackwater using an electrochemical packed bed reactor.
2. To investigate deactivation of Nematode Eggs in wastewater for mitigation of parasitic diseases.

Further information

Research Partners: Duke (lead), RTI, Elon University, Virginia Tech, Naval Research Lab

Article: Enhanced H2O2 Production at Reductive Potentials from Oxidized Boron-Doped Ultrananocrystalline Diamond Electrodes by James O. Thostenson et. al in ACS Appl. Mater. Interfaces, 2017, 9 (19), pp 16610–16619
Link: http://pubs.acs.org/doi/abs/10.1021/acsami.7b01614

Meeting presentation: Improved Understanding and Use of Generated Oxidizing Species in Liquid Waste Disinfection by Edgard Ngaboyamahina et. al presented at the Electrochemical Society meeting, Honolulu, HI (USA), October 2016.
Link: http://ma.ecsdl.org/content/MA2016-02/46/3420.short

Meeting presentation: Wastewater Disinfection Using Potential Switching Methods on Boron Doped Ultrananocrystalline Diamond Electrodes by James O. Thostenson et. al presented at the Electrochemical Society meeting, New Orleans, LA (USA), May 2017.
Link: http://ma.ecsdl.org/content/MA2017-01/46/2081.short

Contact information

Edgard Ngaboyamahina
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Filter tags

Bill & Melinda Gates Foundation Fundamental research and engineering Global North America Other Product design and engineering Treatment of faecal sludge United States University, education or research institution

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