Title :
Degradation mechanism of Orange II in UV-Fenton process with hydroxyl-fe-pillared bentonite as heterogeneous catalyst
Author :
Chen, Jian-Xin ; Zhu, Lizhong
Author_Institution :
Sch. of Environ. Sci. & Eng., Nanchang Univ., Nanchang, China
Abstract :
In this paper, the characteristics of the intermediates during Orange II degradation in UV-Fenton system were detected by UV-visible spectroscopy (UV-vis), total organic carbon (TOC), Fourier transform infrared spectroscopy (FTIR) and liquid chromatography-mass spectrometry (LC-MS). The results showed that the degradation of Orange II was consisted of dye discoloration, intermediates degradation and oxalate radical mineralization. A possible degradation mechanism of Orange II was proposed to provide novel insight to interactions of degradation intermediates with heterogeneous catalyst in UV-Fenton system.
Keywords :
Fourier transform spectra; catalysis; chromatography; dyes; infrared spectra; mass spectroscopic chemical analysis; photochemistry; ultraviolet spectra; visible spectra; wastewater treatment; Fourier transform infrared spectroscopy; Orange II degradation; UV-Fenton process; UV-Fenton system; UV-visible spectroscopy; dye discoloration; heterogeneous catalyst; hydroxyl-fe-pillared bentonite; intermediates degradation; liquid chromatography-mass spectrometry; oxalate radical mineralization; total organic carbon; Chemicals; Degradation; Spectroscopy;
Conference_Titel :
Advances in Energy Engineering (ICAEE), 2010 International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-7831-6
DOI :
10.1109/ICAEE.2010.5557562
