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Effects of Spark Dielectric Barrier Discharge Plasma on Water Sterilization and Seed Germination by Oat Bahadur Dhakal; Roshani Dahal; Tirtha Raj Acharya; Prajwal Lamichhane; Sandhya Gautam; Bhupendra Lama; Raju khanal; Nagendra Kumar Kaushik; Eun Ha Choi; Roshan Chalise is a Materials Science article available to read on EtoBox.

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This study investigated the effects of spark dielectric barrier discharge (SDBD) plasma on water sterilization and seed germination using an in-situ treatment method. The plasma diagnostics used I-V characteristics and optical emission spectroscopy. The electron, rotational, and vibrational temperature, as well as electron density were measured. The findings revealed that SDBD plasma treatment caused significant changes in the physicochemical properties of the liquids. In addition, the concentrations of H 2 O 2 , NO 2 -and NO 3 -were increased after 8 min of plasma treatment to 30, 40, and 100 mgL -1 , respectively. The effectiveness of the SDBD plasma treatment was evaluated based on bacterial inactivation and seed germination. After 8 min of plasma treatment, an almost complete removal of E. coli and S. aureus was achieved. Furthermore, the germination of coriander seeds was enhanced when they were treated with SDBD plasma for 5 min. SDBD plasma shows promise for water sterilization, seed germination, and sustainability.

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Author

Oat Bahadur Dhakal; Roshani Dahal; Tirtha Raj Acharya; Prajwal Lamichhane; Sandhya Gautam; Bhupendra Lama; Raju khanal; Nagendra Kumar Kaushik; Eun Ha Choi; Roshan Chalise

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)