Experimental Study on the Degradation of Acaricides on the Surface of Kumquat Cuimi by Nonthermal Air Plasma
Nonthermal air plasma, which can be generated by air discharge, contains large amounts of reactive oxygen species (ROS), reactive nitrogen species (RNS) and high-energy particles. The ROS and RNS have strong oxidizing properties, and the high-energy particles can break chemical bonds in organic comp...
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MDPI AG
2023-06-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/13/13/7560 |
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| author | Si Qin Shuo Chen Xiaonan Wang Yuanfu Zang Zifeng Wang Jie Wei |
| author_facet | Si Qin Shuo Chen Xiaonan Wang Yuanfu Zang Zifeng Wang Jie Wei |
| author_sort | Si Qin |
| collection | DOAJ |
| description | Nonthermal air plasma, which can be generated by air discharge, contains large amounts of reactive oxygen species (ROS), reactive nitrogen species (RNS) and high-energy particles. The ROS and RNS have strong oxidizing properties, and the high-energy particles can break chemical bonds in organic compounds, a process which can be used to degrade organic matter such as pesticides. In the present study, the effects of nonthermal air plasma on the degradation of several pesticides were investigated. An air plasma processing system was designed and constructed to produce nonthermal air plasma and to degrade five commonly used acaricides, namely, avermectin, bifenazate, spirodiclofen, etoxazole, and lufenuron, during the production of kumquat cuimi. The experimental results showed that nonthermal air plasma could degrade all the acaricides on the surface of the kumquat cuimi effectively. After 20 min of plasma treatment, the residues of avermectin, bifenazate, spirodiclofen, etoxazole and lufenuron on the surface of the kumquat cuimi were reduced by 80.67%, 79.52%, 62.40%, 48.93% and 23.11%, respectively. Further analysis indicated that the primary chemical bonds, hydrophobicity, and the pH value of the plasma-activated water can all affect the efficiency of pesticide degradation. |
| first_indexed | 2024-03-11T01:46:51Z |
| format | Article |
| id | doaj.art-27297f653c14431fbde976745258b7c2 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-11T01:46:51Z |
| publishDate | 2023-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-27297f653c14431fbde976745258b7c22023-11-18T16:08:13ZengMDPI AGApplied Sciences2076-34172023-06-011313756010.3390/app13137560Experimental Study on the Degradation of Acaricides on the Surface of Kumquat Cuimi by Nonthermal Air PlasmaSi Qin0Shuo Chen1Xiaonan Wang2Yuanfu Zang3Zifeng Wang4Jie Wei5School of Electrical Engineering, Guangxi University, No.100 Daxue East Road, Nanning 530004, ChinaSchool of Electrical Engineering, Guangxi University, No.100 Daxue East Road, Nanning 530004, ChinaCollege of Agriculture, Guangxi University, Nanning 530004, ChinaSchool of Electrical Engineering, Guangxi University, No.100 Daxue East Road, Nanning 530004, ChinaSchool of Electrical Engineering, Guangxi University, No.100 Daxue East Road, Nanning 530004, ChinaCollege of Agriculture, Guangxi University, Nanning 530004, ChinaNonthermal air plasma, which can be generated by air discharge, contains large amounts of reactive oxygen species (ROS), reactive nitrogen species (RNS) and high-energy particles. The ROS and RNS have strong oxidizing properties, and the high-energy particles can break chemical bonds in organic compounds, a process which can be used to degrade organic matter such as pesticides. In the present study, the effects of nonthermal air plasma on the degradation of several pesticides were investigated. An air plasma processing system was designed and constructed to produce nonthermal air plasma and to degrade five commonly used acaricides, namely, avermectin, bifenazate, spirodiclofen, etoxazole, and lufenuron, during the production of kumquat cuimi. The experimental results showed that nonthermal air plasma could degrade all the acaricides on the surface of the kumquat cuimi effectively. After 20 min of plasma treatment, the residues of avermectin, bifenazate, spirodiclofen, etoxazole and lufenuron on the surface of the kumquat cuimi were reduced by 80.67%, 79.52%, 62.40%, 48.93% and 23.11%, respectively. Further analysis indicated that the primary chemical bonds, hydrophobicity, and the pH value of the plasma-activated water can all affect the efficiency of pesticide degradation.https://www.mdpi.com/2076-3417/13/13/7560nonthermal air plasmaacaricideavermectinbifenazatespirodiclofenetoxazole |
| spellingShingle | Si Qin Shuo Chen Xiaonan Wang Yuanfu Zang Zifeng Wang Jie Wei Experimental Study on the Degradation of Acaricides on the Surface of Kumquat Cuimi by Nonthermal Air Plasma Applied Sciences nonthermal air plasma acaricide avermectin bifenazate spirodiclofen etoxazole |
| title | Experimental Study on the Degradation of Acaricides on the Surface of Kumquat Cuimi by Nonthermal Air Plasma |
| title_full | Experimental Study on the Degradation of Acaricides on the Surface of Kumquat Cuimi by Nonthermal Air Plasma |
| title_fullStr | Experimental Study on the Degradation of Acaricides on the Surface of Kumquat Cuimi by Nonthermal Air Plasma |
| title_full_unstemmed | Experimental Study on the Degradation of Acaricides on the Surface of Kumquat Cuimi by Nonthermal Air Plasma |
| title_short | Experimental Study on the Degradation of Acaricides on the Surface of Kumquat Cuimi by Nonthermal Air Plasma |
| title_sort | experimental study on the degradation of acaricides on the surface of kumquat cuimi by nonthermal air plasma |
| topic | nonthermal air plasma acaricide avermectin bifenazate spirodiclofen etoxazole |
| url | https://www.mdpi.com/2076-3417/13/13/7560 |
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