Replacement of H2O2 by O2 in Fenton and photo-Fenton reactions

被引：120

作者：

Utset, B

Garcia, J

Casado, J

Domènech, X

Peral, J

机构：

[1] Univ Autonoma Barcelona, Dept Quim, E-08193 Barcelona, Spain

[2] Carburos Met, Barcelona 08038, Spain

[3] UPC, Dept Engn Quim, EUETIT, Barcelona, Spain

来源：

CHEMOSPHERE | 2000年 / 41卷 / 08期

关键词：

Fenton; photo-Fenton; oxygen; aniline;

D O I：

10.1016/S0045-6535(00)00011-4

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The consumption of oxygen during the degradation of aniline by Fenton and photo-Fenton reactions is studied. The effect that parameters like aniline, Fe(II) and H2O2 initial concentration, pH, temperature and O-2 how rate have on the ratio O-2 consumed/H2O2 consumed is examined. The determination of those combinations of experimental conditions for which an effective partial replacement of H2O2 by O-2 as electron acceptor takes place is investigated. The results show that this replacement takes place in a variable extent, but the presence of H2O2 is necessary along the reaction, and the maximum consumption of O-2 only takes place when the ratio amount of aniline mineralized vs. initial aniline concentration is minimal. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：1187 / 1192

页数：6

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