Study on the mechanism of photo-degradation of p-nitrophenol exposed to 254nm UV light

Journal of Hazardous Materials

Volumn 180, Issue 1-3, 2010, Pages 86-90

  Zhao, Sufang ^a,b   Ma, Hongjuan ^a   Wang, Min ^a   Cao, Changqing ^a   Xiong, Jie ^c   Xu, Yunshu ^c   Yao, Side ^a  

^a SHANGHAI INSTITUTE OF APPLIED PHYSICS   (China)

^b UNIVERSITY OF CHINESE ACADEMY OF SCIENCES   (China)

^c RESEARCH CENTER OF LASER FUSION   (China)

Author keywords

Laser flash photolysis; P Nitrophenol; Phenoxyl radical; Photo degradation

Indexed keywords

254 NM UV LIGHT; BENZENE RING; DEGRADATION EFFICIENCY; DEGRADATION MECHANISM; HYDRATED ELECTRON; LASER FLASH PHOTOLYSIS; NEUTRAL SOLUTION; P-NITROPHENOL; PHENOXYL RADICAL; PULSE RADIOLYSIS; RADICAL CATIONS; STEADY-STATE PHOTOLYSIS; TIME-RESOLVED;

BENZENE; HYDRATES; OXYGEN; PHOTOLYSIS; QUANTUM YIELD; RADIATION CHEMISTRY; RADIOLYSIS;

PHOTODEGRADATION;

4 NITROPHENOL; OXYGEN; 4-NITROPHENOL; NITROPHENOL;

BENZENE; EXPERIMENTAL STUDY; OXYGEN; PHOTODEGRADATION; PHOTOLYSIS; RADICAL; ULTRAVIOLET RADIATION; WAVELENGTH;

ARTICLE; CHEMICAL ANALYSIS; CHEMICAL REACTION; PHOTODEGRADATION; PHOTOLYSIS; QUANTUM YIELD; RADIOLYSIS; ULTRAVIOLET RADIATION; CHEMISTRY; PHOTOCHEMISTRY; ULTRAVIOLET SPECTROPHOTOMETRY;

NITROPHENOLS; PHOTOCHEMISTRY; SPECTROPHOTOMETRY, ULTRAVIOLET; ULTRAVIOLET RAYS;

EID: 77956224456     PISSN: 03043894     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jhazmat.2010.03.076     Document Type: Article

References (21)

1. Legrini O., Oliveros E., Braun A.M. Photochemical processes for water treatment. Chem. Rev. 1993, 93:671-698.
2. 2 process. J. Environ. Sci. China 2006, 18:1061-1064.
3. Ma H., Wang M., Pu C., Zhang J., Zhao S., Yao S., Xiong J. Transient and steady-state photolysis of p-nitroaniline in aqueous solution. J. Hazard. Mater. 2009, 165:867-873.
4. Di Paola A., Augugliaro V., Palmisano L., Pantaleo G., Savinov E. Heterogeneous photocatalytic degradation of nitrophenols. J. Photochem. Photobiol. A: Chem. 2003, 155:207-214.
5. Pradhan A.A., Gogate P.R. Degradation of p-nitrophenol using acoustic cavitation and fenton chemistry. J. Hazard. Mater. 2010, 173:517-522.
6. Kuşçu Ö.S., Sponza D.T. Kinetics of para-nitrophenol and chemical oxygen demand removal from synthetic wastewater in an anaerobic migrating blanket reactor. J. Hazard. Mater. 2009, 161:787-799.
7. Alif A., Boule P., Lemaire J. Photochemical behavior of 4-nitrophenol in aqueous solution. Chemosphere 1987, 16:2213-2223.
8. Ishag M.I.O., Moseley P.G.N. Effects of uv light on dilute aqueous solutions of m- and p-nitrophenol. Tetrahedron 1977, 33:3141-3144.
9. Liu R., Zhao H., Zhang Z., Yao S., Li Q., Li W. Acta Phys. Chim. Sin. 2007, 23:1127-1130.
10. Yao S., Sheng S., Cai J., Zhang J., Lin N. Nanosecond pulse radiolysis studies in China. Radiat. Phys. Chem. 1995, 46:105-109.
11. Schwarz H.A. Reaction of the hydrated electron with water. J. Phys. Chem. 1992, 96:8937-8941.
12. Buxton G.V., Greenstock C.L., Helman W.P., Ross A.B., Tsang W. J. Phys. Chem. Ref. Data 1988, 17:513.
13. Zhu H., Zhao H., Zhang Z., Wang W., Yao S. Laser flash photolysis study on antioxidant properties of hydroxycinnamic acid derivatives. Radiat. Environ. Biophys. 2006, 45:73-77.
14. Gadosy T.A., Shukla D., Johnston L.J. Generation, characterization, and deprotonation of phenol radical cations. J. Phys. Chem. A 1999, 103:8834-8839.
15. Beildeck C.L., Liu M.J., Brindza M.R., Walker R.A. Solvation of p-Nitrophenol at a water/alkane interface: the role of ionic strength and salt identity. J. Phys. Chem. B 2005, 109:14604-14610.
16. Chen B., Yang C., Goh N.K. Direct photolysis of nitroaromatic compounds in aqueous solutions. J. Environ. Sci. China 2005, 17:598-604.
17. Li Y., Fang H., Liang S., Wang Z. Simultaneous determination of cis-and trans-butendioic acid by partial least squares-ultraviolet spectrophotometry. Chin. J. Anal. Chem. 2008, 36:95-98.
18. Chun H., Yizhong W., Hongxiao T. Destruction of phenol aqueous solution by photocatalysis or direct photolysis. Chemosphere 2000, 41:1205-1209.
19. Roebber J.L. Photolysis of the phenoxy radical in a nitrogen matrix. J. Chem. Phys. 1962, 37:1974-1981.
20. Berho F., Lesclaux R. The phenoxy radical: UV spectrum and kinetics of gas-phase reactions with itself and with oxygen. Chem. Phys. Lett. 1997, 279:289-296.
21. Feitelson J., Hayon E., Treinin A. Photoionization of phenols in water. Effects of light intensity, oxygen, pH, and temperature. J. Am. Chem. Soc. 1973, 95:1025-1029.