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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.cej.2021.134005
|2 doi
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|a pubmed25n1114.xml
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|a eng
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|a Cao, Tingting
|e verfasserin
|4 aut
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| 245 |
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|a H2O2 generation enhancement by ultrasonic nebulisation with a zinc layer for spray disinfection
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 15.12.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Elsevier B.V. All rights reserved.
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|a With the outbreak of COVID-19, microbial pollution has gained increasing attention as a threat to human health. Consequently, many research efforts are being devoted to the development of efficient disinfection methods. In this context, hydrogen peroxide (H2O2) stands out as a green and broad-spectrum disinfectant, which can be produced and sprayed in the air directly by cavitation in ultrasonic nebulisation. However, the yield of H2O2 obtained by ultrasonic nebulisation is too low to satisfy the requirements for disinfection by spraying and needs to be improved to achieve efficient disinfection of the air and objects. Herein, we report the introduction of a zinc layer into an ultrasonic nebuliser to improve the production of H2O2 and generate additional Zn2+ by self-corrosion, achieving good disinfecting performance. Specifically, a zinc layer was assembled on the oscillator plate of a commercial ultrasonic nebuliser, resulting in a 21-fold increase in the yield of H2O2 and the production of 4.75 μg/mL Zn2+ in the spraying droplets. When the generated water mist was used to treat a bottle polluted with Escherichia coli for 30 min, the sterilisation rate reached 93.53%. This ultrasonic nebulisation using a functional zinc layer successfully enhanced the production of H2O2 while generating Zn2+, providing a platform for the development of new methodologies of spray disinfection
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|a Journal Article
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|a H2O2
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|a Spray disinfection
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|a Ultrasonic nebulisation
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| 650 |
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|a Zinc self-corrosion
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|a Tong, Wangshu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Feng, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Shuting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yanan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Shaojie
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Zhensheng
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Yihe
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Chemical engineering journal (Lausanne, Switzerland : 1996)
|d 1999
|g 431(2022) vom: 01. März, Seite 134005
|w (DE-627)NLM098273531
|x 1385-8947
|7 nnas
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| 773 |
1 |
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|g volume:431
|g year:2022
|g day:01
|g month:03
|g pages:134005
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|u http://dx.doi.org/10.1016/j.cej.2021.134005
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