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Simultaneous hydrogen production and pollutant degradation by photocatalysis of wastewater using liquid phase plasma
Affiliation:1. Department of Environmental Engineering, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam 57922, Republic of Korea;2. School of Environmental Engineering, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Republic of Korea;3. Department of Fine Chemistry, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul, 01811, Republic of Korea;4. R&D Division, Korea Institute of Carbon Convergence Technology, 110-11 Banryong-ro, Jeonju 54853, Republic of Korea;1. Research Laboratory for Multifunctional Carbon Materials, Korea Institute of Carbon Convergence Technology, Jeonju, Jeollabuk-do, 54853, South Korea;2. Department of Chemistry, Inha University, Incheon, 22212, South Korea;3. Department of Carbon & Nano Materials Engineering, Jeonju University, Jeonju, Jeollabuk-do, 55069, South Korea;4. Department of Environmental Engineering, Sunchon National University, Sunchon, Jeollanam-do, 57922, South Korea;5. Department of Environmental Engineering, University of Seoul, Seoul 02504, South Korea;1. R&D Division, Korea Institute of Carbon Convergence Technology, Jeonju, 54853, Republic of Korea;2. Department of Chemistry, Inha University, Incheon, 22212, Republic of Korea;3. Department of Nano & Advanced Materials Engineering, Jeonju University, Jeonju, 55069, Republic of Korea;4. Department of Environmental Engineering, Sunchon National University, Sunchon, 57922, Republic of Korea;1. School of Environmental Engineering, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Republic of Korea;2. College of Pharmacy, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam 57922, Republic of Korea;3. Korea Institute of Carbon Convergence Technology, R&D Division, 110-11 Banryong-ro, Jeonju 54853, Republic of Korea;4. Department of Environmental Engineering, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam 57922, Republic of Korea;1. Research Laboratory for Multifunctional Carbon Materials, Korea Institute of Carbon Convergence Technology, Jeonju 54853, Republic of Korea;2. Department of Chemistry, Inha University, Incheon 22212, Republic of Korea;3. Department of Electricity and Electrical Engineering, Woosuk University, Jeonju 55338, Republic of Korea;4. Department of Environmental Engineering, Sunchon National University, Sunchon 57922, Republic of Korea;5. Department of Carbon & Nano Materials Engineering, Jeonju University, Jeonju 55069, Republic of Korea;1. Department of Environmental Engineering, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam 57922, Republic of Korea;2. School of Environmental Engineering, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Republic of Korea;3. College of Pharmacy, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam 57922, Republic of Korea;4. Carbon Valley R&D Division, Korea Institute of Carbon Convergence Technology, 110-11 Banryong-ro, Jeonju 54853, Republic of Korea
Abstract:Ethanolamine released from a nuclear power plant was degraded by photocatalytic decomposition using plasma in the liquid phase with metal-incorporated photocatalysts. Metal-incorporated titanium dioxide photocatalysts were employed with carbon nanotubes and carbon nanofibers as a support. The photocatalytic decomposition of ethanol amine-contained water induced the degradation of ethanolamine and H2 evolution, simultaneously. The degradation of ethanolamine and H2 evolution were elevated by incorporating Ni on titanium dioxide nanocrystallites. The rate of H2 evolution in the ethanolamine-containing water was higher than that in pure water, which was attributed to the additional H2 evolution by the photodecomposition of ethanolamine in water.
Keywords:Ethanolamine degradation  Hydrogen evolution  Liquid phase plasma  Photocatalysts  Wastewater
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