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Photosensitized oxidation as a tool for degradation of harmful substances in water solutions

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Warianty tytułu
PL
Fotosensybilizowane utlenianie jako sposób degradacji szkodliwych substancji w środowisku wodnym
Języki publikacji
EN
Abstrakty
EN
The applicability of photochemical process involving singlet molecular oxygen (102) in the field of environmental protection was considered. 102 was generated via energy transfer from dye sensitizer excited by visible light to ground stale oxygen (302). The photosensitized oxidation was applied for degradation of 2-chlorophenol (2-CP), a common model organic pollutant, and ingredient of many pesticides. The 2-CP decomposition in, an aqueous solution was studied using various sensitizers in two types of reactions: in the homogeneous system with a solubilized sensitizer and in the heterogeneous system with a sensitizer immobilized in silane gel covering the glass reactor walls. In both systems the influence of various experimental conditions (light intensity, the amount of sensitizer, oxygen concentration) on the rate of 2-CP degradation was investigated. Finally, the possibility of using sunlight for decomposition of 2-CP in aqueous solutions both in homo- and heterogeneous system was demonstrated.
PL
Badano sensybilizowane fotoutleniania, pod kątem rozpoznania możliwości jego zastosowania do degradacji szkodliwych zanieczyszczeń w środowisku wodnym. W procesie zastosowano różne sensybilizatory w postaci roztworu oraz immobilizowane w żelu silanowym na szklanym podłożu. Efektywność procesu określano przez szybkość rozkładu 2-chlorofenolu w różnych warunkach natlenienia i naświetlania roztworu reakcyjnego. Sprawdzono również możliwość degradacji 2-chlorofenolu w procesie sensybilizowanego utleniania pod działaniem promieniowania słonecznego.
Rocznik
Strony
977--987
Opis fizyczny
Bibliogr. 21 poz. 7 rys.
Twórcy
autor
  • Faculty of Process and Environmental Engineering, Technical University of Łódź, ul. Wólczańska 213, 93-005 Łódź, tel. 042/6313739
autor
  • Faculty of Process and Environmental Engineering, Technical University of Łódź, ul. Wólczańska 213, 93-005 Łódź, tel. 042/6313739, miller@wipos.p.lodz.pl
  • Faculty of Process and Environmental Engineering, Technical University of Łódź, ul. Wólczańska 213, 93-005 Łódź, tel. 042/6313793, miller@wipos.p.lodz.pl
Bibliografia
  • [1] Braun A.M., Maurette M.-T. and Oliveros E.: Photooxidation, [in:] Photochemical Technology, John Wiley & Sons Ltd., England 1991, 445-499.
  • [2] DeRosa M.C. and Crutchley R.J.: Photosensitizedsingiel oxygen and its applications Coordinat. Chem. Rev., 2002, 233-234, 351-371.
  • [3] Larson R.A. and Marley K..A.: Singiel Oxygen in the Environment, [in:] Environmental Photochemistry, Boule P. (eds), vol. 2, Springer Verlag, Berlin 1999, 123-137.
  • [4] Schater M., Schmitz C., Facius R., Horneck G., Milow B., Funken K.-H. and Ortner J.: Systematic Study of Parameters fnfluencing the Action of Rose Bengal with Yisible Light on Bacterial Cells: Comparison Between the Biological Effect and Singlet-Oxygen Production. Photochem. Photobiol., 2000, 71, 514-523.
  • [5] Punjabi P.B., Kabra B.V., Pitliya R.L., Vaidya V.K. and Ameta S.C.: The chemistry of singiel molecular oxygen. J. Indian Chem. Soc., 2001, 78, 175-184.
  • [6] Gerdes R., Bartels O., Schneider G., Wohrle D. and Schulz-Ekloff G.: Pholooxidation ofsulfide, thiols, phenoln and cyclopenladiene by arlificial light and solar light irradiation International Journal of Photoenergy, 1999, l, 41-47.
  • [7] Gerdes R., Wohrle D., Spiller W., Schneider G., Schmirpfeil G. and Schulz-Ekloff G.: Photo-oxidation of phenol and monochlorophenols in oxygen-saturated agueous solutions by different phoiosensitizers J. Photochem. Photobiol. A: Chem., 1997, 111, 65-74.
  • [8] Ozoemena K., Kuznetsova N. and Nyokong T.: Comparative photosensitized transformalion of polychlorophenols with different sulphonated metallophthalocyanine complexes in agueous medium. J. Mol. Catal. A: Chem., 2001, 176, 29-40.
  • [9] Ozoemena K., Kuznetsova N. and Nyokong T.: Photosensitized transformation of 4-chlorofenol in the presence of aggregaled and non-aggregated metallophthalocyanines. J. Photochem. Photobiol. A: Chem., 2001, 139, 217-224.
  • [10] Amat-Guerri F., Pajares A., Gianotti J., Haggi E., Stettler G., Bertolotti S., Miskoski S. and Garcia N.A.: Singiel molecular oxygen-medialed photooxidalion of 2-substituted 3-hydroxypyridines J. Photochem. Photobiol. A: Chem., 1999, 126, 59-64.
  • [11] Pajares A., Gianotti J., Stettler G., Haggi E., Miskoski S., Criado S., Amat-Guerri F. and Garcia N.A.: Kinetics ofthe dye sensitizedphotooxidation of 2 -amino-4-hydroxy-6-methylpyrimidine, a model compo- und for some fungicides. J. Photochem. Photobiol. A: Chem., 2000, 135, 207-212.
  • [12] Vialaton D. and Richard C.: Phototransformation of aromaticpollutants in solar lighl: Photolysis versus photosensitized reactions under natural water conditions. Aquat. Sci., 2002, 64, 207-215.
  • [13] van Laar F.M.P.R., Holsteyns F., Vankelecom I.F.J., Smeets S., Dehaen W. and Jacobs P.A.: Singiel oxygen generation using PDMS occluded dyes. J. Photochem. Photobiol. A: Chem., 2001, 144, 141-151.
  • [14] Schaap A.P., Thayer A.L., Blossey E.C. and Neckers D.C.: Polymer-Based Sensitizers for Pholooxidations. H. J. Am. Chem. Soc., 1975, 97, 3741-3745.
  • [15] Wegner E.E. and Adamson A.W.: Photochemistry ofComplex lons. III. Absolute Quantum Yieldsfor the Photolysis ofSome Aąueous Chromium(lH) Complexes. Chemical Actinometry in the Long Wavelength Visible Region. J. Am. Chem. Soc., 1966, 88, 394-403.
  • [16] Gryglik D. Fotochemiczne generowanie tlenu singletowego do degradacji wybranych zanieczyszczeń w środowisku wodnym. PhD dissertation, Technical University of Łódź, 2005.
  • [17] Redmond R. W. and Gamlin J.N.: A Compilation of Singiel Oxygen Vields from Biologicalfy Relevant Molecules. Photochem. Photobiol., 1999, 70, 391-475.
  • [18] Gryglik D., Miller J.S. and Ledakowicz S.: Solar energy utilization in degradation of 2-chlorophenol by immobilized photosensitizers. Sol. Energ., 2004, 77, 615-623.
  • [19] Wilkinson F., Helman W.P. and Ross A.B.: Quantum Yields for the Photosensitized Formation of the Lowest Electronically Excited Singiel State ofMolecular Oxygen in Solution. J. Phys. Chem. Ref. Data, 1993, 22, 113-262.
  • [20] Gutierrez M.I. and Garcia N.A.: Dark and photoinduced interaclions between xanthene dyes andquinones. Dyes and Pigments 1998, 38, 195-209.
  • [21] Miller J.S.: Rose bengal-sensitized pholooxidation of 2-chlorophenol in water using solar simulated light. Water Res„ 2005, 39, 412-422.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPG4-0010-0023
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