The Bacterial Disinfection of Water Using a Galloping Piezoelectric Wind Energy Harvester

Prakash Poudel, Saurav Sharma, Mohamed Nainar Mohamed Ansari (), Pushpendra Kumar, Sobhy M. Ibrahim, Rahul Vaish (), Rajeev Kumar and Paramanandam Thomas
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Prakash Poudel: School of Engineering, Indian Institute of Technology Mandi, Himachal Pradesh 175075, India
Saurav Sharma: Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
Mohamed Nainar Mohamed Ansari: Institute of Power Engineering, Universiti Tenaga Nasional, Selangor 43000, Malaysia
Pushpendra Kumar: School of Engineering, Indian Institute of Technology Mandi, Himachal Pradesh 175075, India
Sobhy M. Ibrahim: Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
Rahul Vaish: School of Engineering, Indian Institute of Technology Mandi, Himachal Pradesh 175075, India
Rajeev Kumar: School of Engineering, Indian Institute of Technology Mandi, Himachal Pradesh 175075, India
Paramanandam Thomas: Dielectric Materials Division, Central Power Research Institute, Bengaluru 560080, India

Energies, 2022, vol. 15, issue 17, 1-16

Abstract: In this study, a method for the bacterial disinfection of drinking water in the water storage systems based on the electric potential generated from a piezoelectric wind energy harvester is presented. First, an efficient galloping piezoelectric wind energy harvester is designed by adding curve- shaped attachments to the bluff body of the harvester. The simulated output voltage of the harvester is validated by performing different sets of experiments on an open environment. Later, the output voltage of the harvester is enhanced, using copper oxide nanowires (CuONWs) grown perpendicular to the surface of the center copper wire. The enhanced electric field is able to disinfect the bacterial water in a 25 min time period. The bacterial removal log efficiency of 2.33 is obtained with a supplied rms voltage of 0.1 V from the harvester. The findings of this study will help to provide alternate means to water treatment that are efficient, reliable, and also free from disinfection by-products.

Keywords: piezoelectric energy harvesting; galloping; bacterial disinfection; copper oxide nanowires (CuONWs); locally enhanced electric field treatment (LEEFT); electroporation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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