Plasma-Activated Tap Water Production and Its Application in Atomization Disinfection
Source abstract
Abstract
Plasma-activated tap water (PATW) is a new technology for obtaining a high concentration of active aqueous plasma substances by discharging underwater. Commonly plasma-activated water (PAW) is realized by activating deionized water or distilled water, which has problems such as high cost, a small discharge area, and insufficient dissolution of active substances. This paper reports the development of a dielectric barrier discharge array to generate a high concentration of active aqueous plasma substances. The device can realize a uniform, stable, and large-area discharge in a large volume of tap water, and it has the advantages of low cost, high integration, and reusability. Using the device to treat 1000 mL of tap water for 1 h can reduce the pH of the tap water from 8.10 to 2.54, and the logarithmic value of killing E. coli is greater than 5.0. We sprayed PATW onto clothes to sterilize the bacteria when people were through the disinfection door and verified that the PATW had a good sterilization effect. The short-lived substances, singlet oxygen, and superoxide anion radicals played a key role in the sterilization process by PATW.
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Research context
OpenAlex topics: Plasma Applications and Diagnostics · Electrohydrodynamics and Fluid Dynamics · Cloud Data Security Solutions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Lab of Advanced Electromagnetic Engineering and Technology, School of Electronic and Electrical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Wuhan National High Magnetic Field Center, Wuhan 430074, China
Funding
National Natural Science Foundation of China · Interdisciplinary Program of Wuhan National High Magnetic Field Center
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