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Decomposition Characteristics of Hydrogen Peroxide in Sodium Hydroxide Solution

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Abstract:

In order to spread more applications, decomposition characteristics of hydrogen peroxide (H2O2) in sodium hydroxide (NaOH) solution were investigated in this paper. Research results indicate that the attack of charged particles such as OH- and HO2- leads to H2O2 decomposition. HO2¬- is vital reactive intermediate, which was mainly from neutral reaction of H2O2 with NaOH. The decomposition is considered as pseudo-two-order kinetics, and the reaction rate constant depended on decomposition temperature and solution pH. The apparent average activation energy is 51.92 kJ•mol-1 when the initial NaOH concentration is 1mol•L-1 and solution pH is 10.5.

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Periodical:

Advanced Materials Research (Volumes 610-613)

Pages:

359-362

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.610-613.359

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Online since:

December 2012

Authors:

Tian Xiang Guo, Yi Zhao, Shuang Chen Ma, Song Tao Liu

Keywords:

Activation Energy, Decomposition, H2O2, Kinetic, Thermodynamic

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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