Kinetics of nitromusk compounds degradation in water by ultraviolet radiation and hydrogen peroxide

被引:21
作者
Neamtu, M
Siminiceanu, I
Kettrup, A
机构
[1] Tech Univ Gh Asachi Iasi, Fac Ind Chem, RO-6600 Iasi, Romania
[2] Tech Univ Munich, Inst Chem, D-85350 Freising, Germany
[3] GSF, Natl Res Ctr Environm & Hlth, Inst Ecol Chem, D-85764 Oberschleissheim, Germany
关键词
nitromusk compounds; photodegradation; HPLC analysis; kinetic curves; rate constants;
D O I
10.1016/S0045-6535(99)00305-7
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The photodegradation of five representative nitromusk compounds in water has been performed in a stirred batch photoreactor with a UV low-pressure immersed mercury lamp, at constant temperature and different doses of hydrogen peroxide. The rate constants have been calculated on the basis of experimental data and a postulated first-order kinetic model. The rate constants, at 298 K and a dose of 1.1745 mu mol l(-1) H2O2 ranges from 0.3567 x 10(-3) s(-1) for musk tibetene, to 1.785 x 10(-3) s(-1) for musk ambrette. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1407 / 1410
页数:4
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