Investigation of Fludioxonil Reduction Using Non-Thermal Atmospheric Plasma through Experimental Simulation

Sangheum Eom, Junghyun Lim, Sang Hye Ji, Jong-Seok Song, Jung Woo Yoon, Hyeongwon Jeon and Seungmin Ryu ()
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Sangheum Eom: Institute of Plasma Technology, Korea Institute of Fusion Energy, 37 Dongjangsan-ro, Gunsan 54004, Republic of Korea
Junghyun Lim: Institute of Plasma Technology, Korea Institute of Fusion Energy, 37 Dongjangsan-ro, Gunsan 54004, Republic of Korea
Sang Hye Ji: Institute of Plasma Technology, Korea Institute of Fusion Energy, 37 Dongjangsan-ro, Gunsan 54004, Republic of Korea
Jong-Seok Song: Institute of Plasma Technology, Korea Institute of Fusion Energy, 37 Dongjangsan-ro, Gunsan 54004, Republic of Korea
Jung Woo Yoon: Institute of Plasma Technology, Korea Institute of Fusion Energy, 37 Dongjangsan-ro, Gunsan 54004, Republic of Korea
Hyeongwon Jeon: Institute of Plasma Technology, Korea Institute of Fusion Energy, 37 Dongjangsan-ro, Gunsan 54004, Republic of Korea
Seungmin Ryu: Institute of Plasma Technology, Korea Institute of Fusion Energy, 37 Dongjangsan-ro, Gunsan 54004, Republic of Korea

Agriculture, 2023, vol. 13, issue 3, 1-12

Abstract: In this study, the effect of non-thermal atmospheric plasma (NTAP) treatment on the reduction of residual fludioxonil (C 12 H 6 F 2 N 2 O 2 , 4-(2,2-difluoro-1,3-benzodioxol-4-yl)-1H-pyrrole-3-carbonitrile) was investigated through experimental simulation. Fludioxonil is known for its high residual concentration on fruits and vegetables. To simulate residual fludioxonil reduction in the storage location prior to consumption of fruits or vegetables by consumers, we designed an experimental setup utilizing a gas distribution system and a cylindrical dielectric barrier discharge (DBD) plasma source. A cylindrical DBD plasma source was adopted to produce the plasma activated chemical species (O 3 ). To evaluate the effect of plasma treatment on the reduction of residual fludioxonil, experiments were performed under three different conditions: varying concentrations and treatment times of O 3 , as well as the surface roughness of microscope slide glass. Based on the results, 10 min plasma treatment with an O 3 concentration of 11.89 μ L/L, which showed a 58.5% reduction rate, is recommended. The O 3 concentration has a higher priority than the treatment time for reduction rates of residual fludioxonil.

Keywords: fludioxonil; non-thermal plasma; ozone; residual pesticide reduction (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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