métodos emergentes para aumentar a eficiência do ozônio no tratamento de águas contaminadas new methods for enhancing ozone efficiency on contaminated water treatment
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métodos emergentes para aumentar a eficiência do ozônio no tratamento de águas contaminadas new methods for enhancing ozone efficiency on contaminated water treatment

;Amira Mahmoud;Renato S. Freire
greece and rome 2007 Vol. 30 pp. 198-205
202
mahmoud2007qumicamtodos

Abstract

Many industrial processes produce effluents with a wide variety of xenobiotic organic pollutants, which cannot be efficiently degraded by conventional biological treatments. Thus, the development of new technologies to eliminate these refractory compounds in water has become very imperative in order to assure the quality of this important resource. Ozonation is a very promising process for the treatment of wastewaters containing non-easily removable organic compounds. The present work aims at highlighting new methods of enhancing the efficiency of ozone towards the removal organic pollutants in aqueous solution. Special attention is given to catalytic ozonation processes contemplating homo- and heterogeneous catalysis, their activity and mechanisms. Recent results and future prospects about the application of these processes to real effluents are also evaluated.

Keywords

environmental chemistry catalytic ozonation advanced oxidation processeschemistry

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DOI:
10.1590/S0100-40422007000100032
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ID: 174963
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