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1 Polish Journal of Chemistry

1 2004

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Photodegradation Kinetics of o-Nitroaniline (ONA), m-Nitroaniline (MNA), p-Nitroaniline (PNA), p-Bromoaniline (PBrA) and o-Chloroaniline (OCIA) in Aqueous Suspension of Zinc Oxide

Habibi M., Tangestaninejad S., Khaledisardashti M.

Polish Journal of Chemistry

2004

Vol. 78 / nr 6

851-859

Photodegradation of several aniline derivatives including o-nitroaniline (ONA), m-nitroaniline (MNA), p-nitroaniline (PNA), p-bromoaniline (PBrA) and o-chloroaniline (OClA) have been studied in aqueous solution using zinc oxide. Rate constants spane the range from 6.46×10-3 min-1 to 2.59×10-2 min-1. The slower degradation rate of p-bromoaniline (PBrA), 6.46×10-3 min-1 could be related to oxidation potential of the corresponding aromatic rings. The Langmuir-Hinshelwood (L-H) rate constant kr and adsorption constant, (KA) for all five aniline derivatives are reported.