2,4,6-Triphenylpyrylium ion encapsulated within Y zeolite as photocatalyst for the degradation of methyl parathion

Water Research

Volumn 34, Issue 1, 2000, Pages 320-326

  Sanjuán, Ana ^a   Aguirre, Guillermo ^b   Alvaro, Mercedes ^a   García, Hermenegildo ^a  

^a UNIVERSITAT POLITÈCNICA DE VALÈNCIA   (Spain)

^b Poligono I   (Spain)

Author keywords

Methyl parathion; Photocatalysis; Triphenylpyrylium; Zeolite Y

Indexed keywords

ION; OXYGEN; PARATHION METHYL; RADICAL; SILICON DIOXIDE; ZEOLITE;

ABSORPTION; AQUEOUS SOLUTION; ARTICLE; BIODEGRADATION; BLEACHING; CATALYSIS; ELECTRON TRANSPORT; ENCAPSULATION; MOLECULAR STABILITY; PRIORITY JOURNAL; REACTION ANALYSIS;

ABSORPTION; CATALYSIS; CHARGE TRANSFER; COMPOSITION EFFECTS; EXTRACTION; OXYGEN; PHOTOLYSIS; SULFUR COMPOUNDS; WATER ANALYSIS; ZEOLITES;

METHYL PARATHION; PHOTOCATALYSIS; TRIPHENYLPYRYLIUM;

WATER POLLUTION;

EID: 0033622693     PISSN: 00431354     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0043-1354(99)00103-7     Document Type: Article

References (24)

1. Abdullah M., Low G.K.C., Matthews R.W. Effects of common inorganic anions on rates of photocatalytic oxidation of organic-carbon over illuminated titanium-dioxide. J. Phys. Chem. 94:1990;6820-6825.
2. Braun A.M. Pelizzetti E., Schiavello M. Photochemical Conversion and Storage of Solar Energy. 1991;Kluwer, Dordrecht.
3. Cano M.L., Cozens F.L., Fornés V., García H., Scaiano J.C. Ship-in-a-bottle synthesis and control of the photophysical properties of 9-(4-methoxyphenyl)xanthenium ion imprisoned into large-pore zeolites. J. Phys. Chem. 100:1996;18145-18151.
4. Corma A., Fornés V., García H., Miranda M.A., Primo J., Sabater M.J. Photoinduced electron transfer within zeolite cavities: cis-stilbene isomerization photosensitized by 2,4,6-triphenylpyrylium cation imprisoned inside zeolite Y. J. Am. Chem. Soc. 116:1994;2276-2280.
5. Corma A., Fornés V., García H., Miranda M.A., Sabater M.J. Highly efficient photoinduced electron transfer with 2,4,6-triphenylpyrylium cation incorporated inside extra large pore zeotype MCM-41. J. Am. Chem. Soc. 116:1994;9767-9768.
6. Corma A., García H., Iborra S., Primo J. Modified faujasite zeolites as catalysts in organic reactions: esterification of carboxylic acids in the presence of HY zeolites. J. Catal. 120:1989;78-87.
7. Gal E., Aires P., Chamarro E., Esplugas S. Photochemical degradation of parathion in aqueous solutions. Wat. Res. 26:1992;911-915.
8. Gilbert A., Baggott J. Essentials of Organic Photochemistry. 1990;Blackwell, Oxford.
9. Girotti A.W. Photodynamic liquid-peroxidation in biological-systems. Photochem. Photobiol. 51:1990;497-509.
10. Lartiges S.B., Garrigues P.P. Degradation kinetics of organophosphorus and organonitrogen pesticides in different waters under various environmental conditions. Environ. Sci. Technol. 29:1995;1246-1254.
11. Legrini O., Oliveros E., Braun A.M. Photochemical processes for water treatment. Chem. Rev. 93:1993;671-698.
12. Martínez-Lozano J. A. (1997) Personal communication.
13. Matthews R.W. Purification of water with near-UV illuminated suspensions of titanium-dioxide. Wat. Res. 24:1990;653-660.
14. 2 on sand. Wat. Res. 25:1991;1169-1176.
15. 2. J. Chem. Tech. Biotechnol. 64:1995;339-344.
16. Miranda M.A., García H. 2,4,6-triphenylpyrilium tetrafluoroborate as an electron-transfer photosensitizer. Chem. Rev. 94:1994;1063-1069.
17. Ollis D.F., Al-Ekabi H. Photocatalytic Purification and Treatment of Water and Air. 1993;Elsevier, Amsterdam.
18. Pelizzeti E., Minero C., Pramauro E., Serpone N., Borgarello E. Schiavello M. Photocatalysis and Environment. 1988;469-497 Kluwer Academic, Dordrecht.
19. Pignatello J.J., Sun Y. Complete oxidation of metolachlor and methyl parathion in water by the photoassisted fenton reaction. Wat. Res. 29:1995;1837-1844.
20. Sanjuán A., Aguirre G., Alvaro M., García H. 2,4,6-triphenylpyrylium ion encapsulated in Y zeolite as photocatalyst. A co-operative contribution of the zeolite host to the photodegradation of 4-chlorophenoxyacetic acid using solar light. Appl. Catal. B: Environmental. 15:1998;247-257.
21. Sanjuán A., Alvaro M., Aguirre G., García H., Scaiano J.C. Intrazeolite photochemistry. XXI. 2,4,6-triphenylpyrylium encapsulated inside zeolite Y supercages as heterogeneous photocatalyst for the generation of hydroxyl radical. J. Am. Chem. Soc. 120:1998;7351-7352.
22. 2-illuminated catalyst. Appl. Cata. B: Environmental. 3:1993;45-53.
23. 2. Appl. Catal. B: Environmental. 5:1995;377-387.
24. Worthing C.R. The Pesticide Manual. A World Compendium. 7th ed. 1983;British Crop. Protection Council, Farnham.