Enhancing the Degradation of Rhodamine B by Hydrodynamic Cavitation with CCl₄ Augmentation

Abstract:

The degradation of Rhodamine B, a common pollutant existing in industrial wastewater, has been explored using a hydrodynamic cavitation reactor combined with CCl₄ treatment. The effects of CCl₄ concentration, operating pH values, inlet pressure, initial temperatures and initial RhB concentration were investigated. The result shows that the removal of RhB increases from 70.78% to 80.38% with increasing CCl₄ concentrations during hydrodynamic cavitation. Degradation of RhB with CCl₄ treatment increased as the operating pH value and its initial concentration decreased, a 7-fold increase (from 0.22×10² min¹ to 1.68×10² min¹) in the kinetic rate constants were found at pH values ranging from 4.0 to 2.0. In addition, RhB degradation with CCl₄ treatment increased as the inlet pressure and temperature increased. From the present work, we conclude that the RhB degradation reaction follows a pseudo-first-order kinetics, and the mechanisms of CCl₄ enhancement are subsequently discussed.

• Periodical: Advanced Materials Research (Volumes 864-867)
• Pages: 1244-1252
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.864-867.1244
• Online since: December 2013
• Authors: Shu Jun Zhang*, Li Shen, Wen Juan Gong
• Keywords: CCl₄, Hydrodynamic Cavitation, Intensification, Kinetic Analysis, Radicals, Rhodamine B (RhB)

References

[1] S. D. Richardson, C. S. Willson and K. A. Rusch: Ground Water, Vol. 42 (2004) No. 5, p.678.

[2] J. Sarasa, M. P. Roche and J. L. Ovelleiro: Water Research, Vol. 32 (1998) No. 9, p.2721.

[3] I. Arslan and I. Akmehmet Balcioglu: Dyes and Pigments, Vol. 43 (1999) No. 2, p.95.

[4] L. Young and J. Yu: Water Research, Vol. 31 (1997) No. 5, p.1187.

[5] N. Daneshvar, H. Ashassi-Sorkhabi and A. Tizpar: Separation and Purification Technology, Vol. 31 (2003) No. 2, p.153.

DOI: 10.1016/s1383-5866(02)00178-8

[6] X. K. Wang, J. G. Wang and C. Wang: Journal of Hazardous Materials, Vol. 169 (2009) No. 1-3, p.486.

[7] L. Li, S. X. Liu and T. Zhu: Journal of Environmental Sciences, Vol. 22 (2010) No. 8, p.1273.

[8] S. Merouani, O. Hamdaoui and M. Chiha: Chemical Engineering Journal, Vol. 158 (2010) No. 3, p.550.

[9] Y. G. Adewuyi: Industrial & Engineering Chemistry Research, Vol. 40 (2001) No. 22, p.4681.

[10] M. V. Bagal and P. R. Gogate: Separation and Purification Technology, Vol. 90 (2012), p.92.

[11] K. P. Mishra and P. R. Gogate: Separation and Purification Technology, Vol. 75 (2010) No. 3, p.385.

[12] A. A. Pradhan and P. R. Gogate: Chemical Engineering Journal, Vol. 156 (2010) No. 1, p.77.

[13] M. Sivakumar and A. B. Pandit: Ultrasonics Sonochemistry, Vol. 9 (2002) No. 3, p.123.

[14] A. G. Chakinala, P. R. Gogate and D. H. Bremner: Ultrasonics Sonochemistry, Vol. 15 (2008) No. 1, p.49.

[15] A. G. Chakinala, P. R. Gogate and D. H. Bremner: Chemical Engineering Journal, Vol. 152 (2009) No. 2-3, p.498.

[16] A. G. Chakinala, P. R. Gogate and A. E. Burgess: Ultrasonics Sonochemistry, Vol. 15 (2008) No. 3, p.164.

[17] P. N. Patil and P. R. Gogate: Separation and Purification Technology, Vol. 95 (2012), p.172.

[18] R. K. Joshi and P. R. Gogate: Ultrasonics Sonochemistry, Vol. 19 (2012) No. 3, p.532.

[19] I. A. Alaton, I. A. Balcioglu and D. W. Bahnemann: Water Research, Vol. 36 (2002) No. 5, p.1143.

[20] P. R. Gogate and A. B. Pandit: Aiche Journal, Vol. 46 (2000) No. 8, p.1641.

[21] X. K. Wang, J. G. Wang and D. G. Lu: China Environmental Science, Vol. 27 (2007) No. 1, p.129.

[22] S. N. Katekhaye and P. R. Gogate: Chemical Engineering and Processing, Vol. 50 (2011) No. 1, p.95.