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Analysis of Non-thermal Plasma Disch...
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Wang, Huihui.
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Analysis of Non-thermal Plasma Discharge Contacting Liquid Water Using Plasma Diagnostics and Computer Simulations.
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
Analysis of Non-thermal Plasma Discharge Contacting Liquid Water Using Plasma Diagnostics and Computer Simulations./
作者:
Wang, Huihui.
出版者:
Ann Arbor : ProQuest Dissertations & Theses, : 2018,
面頁冊數:
115 p.
附註:
Source: Dissertations Abstracts International, Volume: 80-07, Section: B.
Contained By:
Dissertations Abstracts International80-07B.
標題:
Applied physics. -
電子資源:
https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10935368
ISBN:
9780438810143
Analysis of Non-thermal Plasma Discharge Contacting Liquid Water Using Plasma Diagnostics and Computer Simulations.
Wang, Huihui.
Analysis of Non-thermal Plasma Discharge Contacting Liquid Water Using Plasma Diagnostics and Computer Simulations.
- Ann Arbor : ProQuest Dissertations & Theses, 2018 - 115 p.
Source: Dissertations Abstracts International, Volume: 80-07, Section: B.
Thesis (Ph.D.)--The Florida State University, 2018.
This item is not available from ProQuest Dissertations & Theses.
Non-thermal plasma technology, which can be used as an advanced oxidation process (AOP) for water treatment, has gained significant attention recently. A plasma discharge contacting liquid water generates strong oxidants, such as ˙OH and H2O2 and, in the presence of O2 , ozone (O3), which are capable of degrading or completely mineralizing many organic pollutants in waste water. The UV irradiation generated during the plasma discharge can enhance the degradation of organic compounds and kill bacteria. Compared with other water treatment methods, the non-thermal plasma technology removes the pollutants completely and rapidly, and it does not introduce any new hazardous materials into the system. However, the high energy cost of non-thermal plasma technology prevents it from being commercialized. Therefore, many studies have been conducted to improve the energy efficiency of the non-thermal plasma technology. This dissertation focused on investigating the influence of operating conditions and the plasma properties on the production of H2O 2 during the plasma discharge with liquid water. H2O 2 is one of the most important products which indirectly indicates the concentration of ˙OH generated by the plasma system. This work focused on the mechanism of H2O2 formation and analyzed the influence of plasma properties including the electron density and gas temperature on H2O2 production. The influence of operating conditions such as discharge power and carrier gases on plasma properties was also investigated. The results provide a general view of H2O2 formation in the plasma-liquid system and provide guidelines for modifying the plasma system to achieve higher efficiency. Another problem using non-thermal plasma to treat industrial waste water is that the high conductivity of waste water causes energy wastage since the current starts to flow through the liquid which generates heat. In addition, some plasma systems with low liquid conductivity tolerance cannot generate a discharge when liquid conductivity is high. Therefore, another goal of this work is to study the influence of liquid conductivity on plasma discharge with water and improve the liquid conductivity tolerance of the plasma system.
ISBN: 9780438810143Subjects--Topical Terms:
3343996
Applied physics.
Subjects--Index Terms:
Computer simulation
Analysis of Non-thermal Plasma Discharge Contacting Liquid Water Using Plasma Diagnostics and Computer Simulations.
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Non-thermal plasma technology, which can be used as an advanced oxidation process (AOP) for water treatment, has gained significant attention recently. A plasma discharge contacting liquid water generates strong oxidants, such as ˙OH and H2O2 and, in the presence of O2 , ozone (O3), which are capable of degrading or completely mineralizing many organic pollutants in waste water. The UV irradiation generated during the plasma discharge can enhance the degradation of organic compounds and kill bacteria. Compared with other water treatment methods, the non-thermal plasma technology removes the pollutants completely and rapidly, and it does not introduce any new hazardous materials into the system. However, the high energy cost of non-thermal plasma technology prevents it from being commercialized. Therefore, many studies have been conducted to improve the energy efficiency of the non-thermal plasma technology. This dissertation focused on investigating the influence of operating conditions and the plasma properties on the production of H2O 2 during the plasma discharge with liquid water. H2O 2 is one of the most important products which indirectly indicates the concentration of ˙OH generated by the plasma system. This work focused on the mechanism of H2O2 formation and analyzed the influence of plasma properties including the electron density and gas temperature on H2O2 production. The influence of operating conditions such as discharge power and carrier gases on plasma properties was also investigated. The results provide a general view of H2O2 formation in the plasma-liquid system and provide guidelines for modifying the plasma system to achieve higher efficiency. Another problem using non-thermal plasma to treat industrial waste water is that the high conductivity of waste water causes energy wastage since the current starts to flow through the liquid which generates heat. In addition, some plasma systems with low liquid conductivity tolerance cannot generate a discharge when liquid conductivity is high. Therefore, another goal of this work is to study the influence of liquid conductivity on plasma discharge with water and improve the liquid conductivity tolerance of the plasma system.
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