Journal of Zhejiang University SCIENCE A
ISSN 1673-565X(Print), 1862-1775(Online), Monthly

2008   Vol. 9   No. 5   p. 695~701

Simultaneous removal of ethyl acetate, benzene and toluene with gliding arc gas discharge

Zheng BO^†, Jian-hua YAN^†‡, Xiao-dong LI, Yong CHI, Ke-fa CEN

(State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China)
^‡ Corresponding Author
^†E-mail: bozh@zju.edu.cn; yanjh@cmee.zju.edu.cn
Received July 20, 2007; revision accepted Dec. 25, 2007; published online Feb. 23, 2008

Abstract: The simultaneous removal of ethyl acetate, benzene and toluene with relatively low or high initial concentration is studied using a laboratory scale gliding arc gas discharge (GA) reactor. Good decomposition efficiencies are obtained which proves that the GA is effective for the treatment of volatile organic compounds (VOCs) with either low or high concentration. A theoretical decomposition mechanism is proposed based on detection of the species in the plasma region and analysis of the decomposition by-products. This preliminary investigation reveals that the GA has potential to be applied to the treatment of exhaust air during color printing and coating works, by either direct removal or combination with activated carbon adsorption/desorption process.

Key words: Plasma, Gliding arc gas discharge (GA), Volatile organic compounds (VOCs), Simultaneous removal, Printing and coating process
doi:10.1631/jzus.A071391             CLC number: X707.7

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