A Water‐Driven Triboelectric Generator for Electrocatalytic Wastewater Treatment

Triboelectric generators (TEGs) have been shown to be advantageous at energy harvesting for sensors and portable devices. Here, a water‐driven triboelectric generator (WD‐TEG) powered wastewater treatment reactor that harvests energy from the water flow via the triboelectric effect is introduced. Th...

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Bibliographic Details
Published in:Energy technology (Weinheim, Germany) Germany), 2018-04, Vol.6 (4), p.670-676
Main Authors: Kushwaha, Himmat S., Kumar, Anuruddh, Kumar, Rajeev, Vaish, Rahul
Format: Article
Language:English
Subjects:
Degradation
electrocatalysis
Electrochemistry
Energy harvesting
estrogenic pollutants
Pollutants
Portable equipment
Sex hormones
Triboelectric effect
triboelectric generators
wastewater
Wastewater treatment
Water flow
water treatment
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Summary:Triboelectric generators (TEGs) have been shown to be advantageous at energy harvesting for sensors and portable devices. Here, a water‐driven triboelectric generator (WD‐TEG) powered wastewater treatment reactor that harvests energy from the water flow via the triboelectric effect is introduced. The WD‐TEG is an efficient and green approach towards wastewater treatment. With the electricity generated from WD‐TEG, a degradation efficiency of up to 80 % for estrogenic pollutants, estriol, and 17‐β estradiol is achieved within just 150 min. The effect of water rotation on degradation rate is also investigated. The observed results show that triboelectric coupled electrochemical systems can be promising solution for wastewater treatment. A water‐driven triboelectric generator (WD‐TEG) is fabricated as a reactor for electrocatalytic pharmaceutical wastewater. The degradation efficiency of the WD‐TEG electrocatalytic reactor is tested for estrogenic pollutants and complete mineralization of pollutants is achieved using the fabricated WD ‐TEG powered electrocatalytic reactor. This is an important step toward practical applications of triboelectric devices.
ISSN:2194-4288
2194-4296
DOI:10.1002/ente.201700609