A New Integrated Photoreactor for Microwave Assisted Decolorization of Acid Orange 7 (AO7) in Aqueous Solutions

Year: 2010

Authors: Ferrari C., Longo I., Tombari E., Gasperini L.

Autors Affiliation: CNR – Istituto per i Processi Chimico-Fisici, Via G. Moruzzi 1, 56124 Pisa, Italy

Abstract: A new integrated photoreactor was assembled using a newly designed source, emitting both microwave power and UV radiation inside the reacting medium. The method is highly flexible and cheap, eliminating the need for the multimode and monomode microwave applicators, which are currently used for the excitation of a microwave electrodeless lamp. The characteristics of the source and the results from the decolorization of Acid Orange AO7 in an aqueous solution with hydrogen peroxide are presented. The decolorization process was carried out in batch condition and as continuous treatment and the effective reaction constant of the processes are reported. The experiments show that the photoreactor could be suitable for industrial application.


Volume: 8      Pages from: A72-1  to: A72-10

KeyWords: Acid Orange AO7; Advanced photo-oxidation process; Green process; Industrial scale up; Microwave lamp; Process intensification
DOI: 10.2202/1542-6580.2134

Citations: 7
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