NDLI: Chlorophenol wastewater degradation in micellar solutions: A gas chromatographic study

Content Provider	Springer Nature Link
Author	Badawi, A. M. Ahmed, S. M. El Naggar, A. Y. El Zahar, S. M. Aboul Gheit, A. K.
Copyright Year	2004
Abstract	The effect of photocatalysis and some surfactant micelles on the degradation of m-chlorophenol was investigated. All photochemical experiments were performed with artificial sunlight illumination. The remaining m-chlorophenol was quantitatively determined using gas chromatography, applying the internal standard method. Three catalysts—ethylenediamine tetrachlorocuprate complex (catalyst I), chlorophyllin trisodium copper complex (catalyst II), and 5,10,15,20-tetracarboxy phthalocyanine tetrasodium copper complex (III)—were used in the absence or presence of an anionic or nonionic surfactant. All studied catalysts exhibited high efficiency in degrading m-chlorophenol compared with photodegradation in the absence of a catalyst. Catalyst III was more active than II owing to the higher degree of conjugation in its ligand, and the nonionic surfactant was more efficient than the anionic surfactant. Catalyst I was the least active because it did not accommodate a closed shell system. The studied anionic and nonionic surfactants accelerated photocatalytic degradation. The nonionic surfactant was more effective than the anionic surfactant owing to its greater surface activity parameters. Kinetic decay was found to obey a first-order equation. However, some internal stages appeared to occur during the course of the reaction. Although higher rates were encountered in the advanced stages, the initial stage was the rate that controlled the overall process.
Starting Page	285
Ending Page	290
Page Count	6
File Format	PDF
ISSN	10973958
Journal	Journal of Surfactants and Detergents
Volume Number	7
Issue Number	3
e-ISSN	15589293
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chlorophenol degradation photocatalysts surfactants Analytical Chemistry Physical Chemistry Polymer Sciences Industrial Chemistry/Chemical Engineering Surfaces and Interfaces, Thin Films Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Physical and Theoretical Chemistry Chemical Engineering

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