期刊
QUIMICA NOVA
卷 29, 期 1, 页码 11-14出版社
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422006000100003
关键词
reactive dyes; hydrogen peroxide; UV radiation
This paper summarizes the result of a degradation test of two azo-reactive dyes (Reactive Blue 214, Reactive Red 243) under UV irradiation in the presence of H2O2. Five different doses of hydrogen peroxide (0 mM, 5 mM, 10 mM, 20 mM and 30 mM) at constant initial concentration of the substrate (100 mg/L) were used. The radiation source were three 15 W-lamps. Complete destruction of the color of the solutions was attained in 40-50 min of irradiation. UV/H2O2 proved capable of complete discoloration and degradation of the above azo-reactive dyes.
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