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Titolo:
PHOTODEGRADATION OF BENZOIC-ACID IN AQUEOUS-SOLUTIONS
Autore:
OUSSI D; MOKRINI A; CHAMARRO E; ESPLUGAS S;
Indirizzi:
UNIV BARCELONA,DEPT INGN QUIM,MARTI & FRANQUES 1 E-08028 BARCELONA SPAIN UNIV BARCELONA,DEPT INGN QUIM E-08028 BARCELONA SPAIN
Titolo Testata:
Environmental technology
fascicolo: 9, volume: 19, anno: 1998,
pagine: 955 - 960
SICI:
0959-3330(1998)19:9<955:POBIA>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
DESTRUCTION; OXIDATION; PEROXIDE;
Keywords:
ULTRAVIOLET RADIATION; PHOTOCHEMICAL DECOMPOSITION; BENZOIC ACID;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
D. Oussi et al., "PHOTODEGRADATION OF BENZOIC-ACID IN AQUEOUS-SOLUTIONS", Environmental technology, 19(9), 1998, pp. 955-960

Abstract

The photodegradation of benzoic acid in aqueous solutions using a medium pressure UV source has been studied. The effect of temperature, pHand initial concentration of the organic pollutant was examined. The results show that on increasing temperature, (from 25 degrees C to 50 degrees C), the conversion increases by 20%. Augmentation of pH or initial concentration of benzoic acid leads to the opposite effect The degradation rate follows first order kinetics with respect to the radiation absorption rate. Through the evaluation of the amount of photons absorbed by the benzoic acid, the quantum yield (average between 240-300 nm) was obtained (6 x 10(-2) moleinstein(-1) at 25 degrees C).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/09/20 alle ore 07:30:46