
Kinetics of Reactive Blue 21 Decolorization Using Peracetic Acid
Author(s) -
Vu Ngoc Duy,
Le Van Chieu,
Cao The Ha
Publication year - 2017
Publication title -
vnu journal of science earth and environmental sciences
Language(s) - English
Resource type - Journals
eISSN - 2615-9279
pISSN - 2588-1094
DOI - 10.25073/2588-1094/vnuees.4106
Subject(s) - peracetic acid , kinetics , chemistry , catalysis , aqueous solution , absorption (acoustics) , reaction rate , nuclear chemistry , blue light , chemical kinetics , photochemistry , materials science , organic chemistry , hydrogen peroxide , physics , quantum mechanics , composite material , optoelectronics
Decolorization rate of Reactive Blue 21 by peracetic acid in aqueous solutions was measured at pH 6.0. Concentrations of peracetic acid were applied in the range of 1 - 3 mM. The reaction kinetics were monitored by recording the light absorption of the Reactive Blue 21 at 660 nm. The obtained results showed that the decolorization happened via non-catalytic and auto-catalytic reactions. Both the reactions were proposed to obey the second-order rate law.
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