Journal article
An Energy Efficient Process for Degrading Perfluorooctanoic Acid (PFOA) Using Strip Fountain Dielectric Barrier Discharge Plasma
Water (Basel), v 14(15), p2420
01 Aug 2022
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Perfluorooctanoic acid (PFOA) is an artificially synthesized per-fluorinated chemical widely used in industry. It is often released into the environment without treatment and causes pollution in groundwater. In this paper, we employed a strip fountain dielectric barrier discharge (SF-DBD) plasma source to degrade PFOA from the water. The effects of power supply mode, discharge gases, pH, the conductivity of the solution, concentration, etc., on the degradation efficiency were studied. For a 200 mL sample of 75 mg/L PFOA, a 99% degradation efficiency with a 204.5 mu g/kJ energy production rate was achieved using an average power of 43 W negative pulse argon plasma for 50 min at atmospheric pressure. The total organic carbon concentration (TOC) decreased by 63% after a 60 min treatment. The SF-DBD proves to be a promising and energy-saving technique to efficiently remove PFOA from water.
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Details
- Title
- An Energy Efficient Process for Degrading Perfluorooctanoic Acid (PFOA) Using Strip Fountain Dielectric Barrier Discharge Plasma
- Creators
- Jiushan Cheng - Beijing Institute of Graphic CommunicationYangyang Fan - Plasma (Russia)Xueyun Pei - Plasma (Russia)Di Tian - Plasma (Russia)Zhongwei Liu - Plasma (Russia)Lizhen Yang - Plasma (Russia)Eric Feng - Drexel Univ, Dept Chem, Philadelphia, PA 19104 USAHai-Feng Ji - Drexel UniversityQiang Chen - Plasma (Russia)
- Publication Details
- Water (Basel), v 14(15), p2420
- Publisher
- Mdpi
- Number of pages
- 11
- Grant note
- 11875090; 12075032; 11775028; 12105021 / National Natura Science Foundation of China; National Natural Science Foundation of China (NSFC)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemistry
- Web of Science ID
- WOS:000838981400001
- Scopus ID
- 2-s2.0-85136975459
- Other Identifier
- 991019330625004721
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- Collaboration types
- International collaboration
- Web of Science research areas
- Environmental Sciences
- Water Resources