Treatment of Pharmaceutical Wastewater by Micro-Electrolysis and Fenton Oxidation Process

Abstract:

Pharmaceutical wastewater was treated by micro-electrolysis and Fenton process.The aim of this research was to optimize operating parameters in micro-electrolysis and Fenton process. Effectiveness of important process parameters such as mass ratio of iron to carbon, the initial pH, reaction time and H₂O₂ dosage on the performance of micro-electrolysis and Fenton process were investigated. The results show that the removal efficiency of pharmaceutical wastewater chemical oxygen demand (COD) could reach 37.3% at the optimal pH of 4 with the iron to carbon ratio of 1:1 after 80 min treatment. The operating conditions of Fenton process are 0.5% of H₂O₂ dosage, the pH value of 4 and the reaction time of 180 min. The pharmaceutical wastewater COD removal could reach 79.4%.

• Periodical: Advanced Materials Research (Volumes 356-360)
• Pages: 1622-1625
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.356-360.1622
• Online since: October 2011
• Authors: Chong Hao Huang, Meng Xing Cao, Jun Hong Luo, Chao Zhang
• Keywords: Fenton Oxidation, Microreactor, Pharmaceutical Wastewater

References

[1] S. Chelliapan, T. Wilby, A. Yuzir, P. J. Sallis, in: Desalinatiion Vol. 271 (2011) pp.257-264.

[2] T. Nandy, S.N. Kaul, in: Water Research Vol. 35 (2001) pp.351-362.

[3] J.A. Melero, F. Martínez, J.A. Botas, R. Molina, M.I. Pariente, in: Water Research Vol. 43 (2009) pp.4010-4018.

DOI: 10.1016/j.watres.2009.04.012

[4] X. R. Liu, J. H. Li, B. X. Zhou, W. M. Cai, and Y. H. Song, in: Environmental Science & Technology, Vol. 34 (2011) pp.128-132. (In Chinese)

[5] X. Y. Yang, in: Journal of Hazardous Materials Vol. 169 (2009) pp.480-485.

[6] S. Mohajeri, H. A. Aziz, M. H. Isa, M. A. Zahed, M. N. Adlan, in: Journal of Hazardous Materials Vol. 176 (2010) pp.749-758.

DOI: 10.1016/j.jhazmat.2009.11.099