期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 51, 期 29, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6463/aac816
关键词
plasma; water; advanced oxidation; contaminants of emerging concern; water treatment; reactor
资金
- NSF [CBET 1336375, 1700848, 1550469, DOEDE-SC0001939, DOEDE-SC0018058]
- Emergetech LLC [N022459-00]
- Directorate For Engineering
- Div Of Industrial Innovation & Partnersh [1700848] Funding Source: National Science Foundation
- Div Of Industrial Innovation & Partnersh
- Directorate For Engineering [1550469] Funding Source: National Science Foundation
Plasma-based water purification methods offer an alternative means to introduce advanced oxidation into liquid water. This approach drives a number of advanced oxidation processes simultaneously without the need for conventional consumables, making this approach potentially not only energy efficient but also cost effective. The chief barrier to implementing plasma-based methods for water purification is scale-up. This paper describes the scale-up problem, the current state of the art, and design considerations both from plasma science and engineering standpoints. The overall objective of this paper is to summarize key challenges to scale-up and implementation as well as elaborate on approaches to achieving a high throughput plasma-based water treatment system. Plasma dose delivery requirements for a given contaminant are estimated using basic rate equations. Two scale-up design approaches are also discussed along with performance data. The pathway from bench-top demonstration of plasma-based systems to piloting and ultimately reduction of the technology to practice are also elaborated upon.
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