Kinetics and mechanism study on chlorine dioxide generation with hydrogen peroxide

Mingxin Zhu, Hui Huang, Xian Dong, Lina Shen, Yanhua Xu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The reaction between hydrogen peroxide and sodium chlorate in presence of aqueous sulfuric acid was studied at various temperatures and molar concentrations of hydrogen peroxide, chlorate and sulfuric acid. The reaction rate law was established by analyzing the consumption of chlorate or hydrogen peroxide. Reaction had been found 0.5 and 1 order with respect to hydrogen peroxide and chlorate concentration, respectively. Reaction order was found about 5.99 with respect to molar concentration of sulfuric acid but it reduced to 1.64 when acidity function, h-, was substituted in place of molar concentration. The temperature dependence of the reaction was also investigated and pre-exponential Arrhenius parameter as well as activation energy were determined. Reaction mechanism compatible with the reaction kinetics was proposed.

Original languageEnglish
Title of host publicationProceedings - International Conference on Computer Distributed Control and Intelligent Environmental Monitoring, CDCIEM 2011
Pages2457-2461
Number of pages5
DOIs
StatePublished - 2011
Event2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring, CDCIEM 2011 - Changsha, Hunan, China
Duration: 19 Feb 201120 Feb 2011

Publication series

NameProceedings - International Conference on Computer Distributed Control and Intelligent Environmental Monitoring, CDCIEM 2011

Conference

Conference2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring, CDCIEM 2011
Country/TerritoryChina
CityChangsha, Hunan
Period19/02/1120/02/11

Keywords

  • Chlorine dioxide
  • Hydrogen peroxide
  • Kinetics
  • Mechanism

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