Hydrogen Peroxide Decomposition in Aqueous Alkali Suspensions of Fe(III) Oxide: The Nature of the Active Component
Kinetics and Catalysis
, E-ISSN: 1608-3210
Novosibirsk State University, Novosibirsk, 630090 Russia
Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090 Russia
Russian Foundation for Basic Research
The nature of the catalytically active components is studied in the steady-state decomposition of hydrogen peroxide in alkali media in the presence of an Fe2O3 suspension at 25°C in an intensively shaken reactor. It was found that a hydroxide colloid formed by the mechanical abrasion of the solid catalyst in an aqueous solution shows noticeable catalytic activity together with the initial solid-phase catalyst. As a result, the rate of the catalytic reaction becomes nonlinear with respect to the overall catalyst concentration.