Simultaneous Gas-Water Purification by a Wetted-Wall Corona Discharge Reactor : Decomposition of Aqueous Phenol and Gaseous Acetaldehyde

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概要

• 論文の詳細を見る

• Simultaneous purification of contaminated gas and water by using a cylindrical wetted-wall corona discharge reactor was proposed in this work. Gaseous acetaldehyde and aqueous phenol were chosen as target compounds. The gaseous acetaldehyde was continuously removed from gas stream by absorption into the aqueous phenol solution used for making a wetted-wall. Aqueous phenol and the absorbed acetaldehyde in water were effectively degraded by aqueous radicals, OH, produced by direct contact of gaseous corona with the interfacial water. In addition, ozone partly contributed to decompositions of phenol and some byproducts. The experimental results show that gaseous acetaldehyde can be completely removed from gas mixture when its inlet concentration was in a range of 30 to 200 ppm since decomposition of aqueous acetaldehyde can sustain the absorption of acetaldehyde. This concentration range of acetaldehyde scarcely affected the decomposition of phenol. However, decomposition of total organic carbon (TOC) in water was strongly attenuated when the acetaldehyde concentration is higher than 100 ppm. The influence of the solution pH ranging from 2 to 13 was also investigated.

• 社団法人 化学工学会の論文
• 2004-11-01

著者

• Yamamoto Daisuke

  Department of Neurology, Sapporo Medical University School of Medicine

• TANTHAPANICHAKOON WIWUT

  Department of Chemical Engineering, Chulalongkorn University

• SANO NORIAKI

  Department of Chemical Engineering, Himeji Institute of Technology

• CHARINPANITKUL TAWATCHAI

  Department of Chemical Engineering, Chulalongkorn University

• Charinpanitkul Tawatchai

  東京大学工学部化学システム工学科

• Charinpanitkul Tawatchai

  Department Of Chemical Engineering Chulalongkorn University

• Sano Noriaki

  Department Of Mechanical And System Engineering Himeji Institute Of Technology University Of Hyogo

• Sano Noriaki

  Department Of Chemical Engineering Faculty Of Engineering Himeji Institute Of Technology

• Charinpanitkul T

  Center Of Excellence In Particle Technology Chulalongkorn University

• FAUNGNAWAKIJ Kajornsak

  National Nanotechnology Center, National Science and Technology Development Agency

• FAUNGNAWAKIJ Kajornsak

  Department of Chemical Engineering, Chulalongkorn University

• KANKI Tatsuo

  Department of Mechanical and System Engineering, Himeji Institute of Technology, University of Hyogo

• Kanki T

  Department Of Mechanical And System Engineering Himeji Institute Of Technology University Of Hyogo

• Kanki Tatsuo

  Department Of Chemical Engineering Faculty Of Engineering Himeji Institute Of Technology

• Sano N

  Department Of Mechanical And System Engineering Himeji Institute Of Technology University Of Hyogo

• Tanthapanichakoon W

  National Nanotechnology Center National Science And Technology Development Agency

• Tanthapanichakoon Wiwut

  Department Of Chemical Engineering Chulalongkorn University

• Yamamoto Daisuke

  Department Of Mathematics And Physics Graduate School Of Natural Science And Technology Kanazawa Uni

• Faungnawakij Kajornsak

  National Nanotechnology Center National Science And Technology Development Agency

• Yamamoto Daisuke

  Department Of Mechanical And System Engineering Himeji Institute Of Technology University Of Hyogo

• Yamamoto Daisuke

  Department Of Biochemistry Kyoritsu College Of Pharmac

• Yamamoto Daisuke

  Department Of Acoustic Design Kyushu Institute Of Design

• Kanki Tatsuo

  Department of Chemical Engineering , Faculty of Engineering,HimejiInstitute of Technology

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