Solar Photochemical Degradation and Toxicity Reduction of Trichloroethlylene (TCE) 


Vol. 12,  No. 4, pp. 244-249, Dec.  2006


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  Abstract

The photocatalytic degradation of trichloroethlylene (TCE), has been investigated over TiO2 photocatalysts irradiated with solar light. The effect of operational parameters, i.e., initial TCE concentration, TiO2 concentration, pH and additives (H2O2, persulphate(S2O8-)) on the degradation rate of aqueous solution of TCE has been examined. The results presented in this work demonstrated that degradation of the TCE with TiO2/solar light was enhanced by augumentation in TiO2 loading, pH, and adding additives but was inhibited by increase in initial TCE concentration. Also indiidual use of H2O2 was far more effective than using persulphate in TCE removal efficiency. Furthermore, the relative toxicity with a solar/TiO2/H2O2 system was about 15% lower than with a solar/TiO2/persulphate system and about 35% lower than with a solar/TiO2 system within a reaction time of 150 min, respectively.

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  Cite this article

[IEEE Style]

P. JH and K. SY, "Solar Photochemical Degradation and Toxicity Reduction of Trichloroethlylene (TCE)," Clean Technology, vol. 12, no. 4, pp. 244-249, 2006. DOI: .

[ACM Style]

Park JH and Kwon SY. 2006. Solar Photochemical Degradation and Toxicity Reduction of Trichloroethlylene (TCE). Clean Technology, 12, 4, (2006), 244-249. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

한국연구재단 등재학술지