6533b82ffe1ef96bd129492a

RESEARCH PRODUCT

Photodegradation kinetics of aniline, 4-ethylaniline, and 4-chloroaniline in aqueous suspension of polycrystalline titanium dioxide

Vincenzo AugugliaroVittorio LoddoEdmondo PramauroGiuseppe MarcìA. Bianco PrevotMario SchiavelloLeonardo Palmisano

subject

Anatasechemistry.chemical_compoundAnilinechemistryKineticsInorganic chemistryTitanium dioxideSubstrate (chemistry)Reactivity (chemistry)General ChemistryPhotodegradationCatalysis

description

The photodegradation process of aniline, 4-ethylaniline, and 4-chloroaniline in aqueous suspension of irradiated TiO2 (anatase) powder has been investigated. A batch photoreactor with immersed lamp irradiating in the near-UV region has been used for carrying out the reactivity experiments. For each substrate the influence of the initial concentration of organic compound and of pH on the degradation rate has been investigated. The main intermediates and the end products have been identified and determined, the total mass balance being satisfied. The kinetic modelling of the series of reactions occurring in the system has been satisfactorily carried out with a Langmuir-Hinshelwood rate law. The values of the parameters involved in the model have been also determined.

http://hdl.handle.net/2318/102835