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The Iron (III)-catalyzed oxidation of ethanol by hydrogen peroxide: a thermokinetic oscillator

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Zeyer,  K.-P.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Mangold,  M.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Gilles,  E. D.
Systems Biology, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Universität Stuttgart;

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Citation

Zeyer, K.-P., Mangold, M., Obertopp, T., & Gilles, E. D. (1999). The Iron (III)-catalyzed oxidation of ethanol by hydrogen peroxide: a thermokinetic oscillator. Journal of Physical Chemistry, 103A(28), 5515-5522. doi:10.1021/jp990710v.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-A285-7
Abstract
We present an experimental and theoretical study of a laboratory scale continuous flow stirred tank reactor (CSTR) in which the exothermiciron(III)-nitrate catalyzed oxidation of ethanol with hydrogen peroxideto ethanal and acetic acid takes place. This reaction can display temperature and concentration oscillations when it is performed in a CSTR. A model is known in the literature, which is derived from a more detailed mechanism. We investigate the behavior of the system under different conditions using the volumetric flow of the cooling water as an experimental bifurcation parameter. The model is analyzed by one and two parameter continuation of stationary and periodic solutions. We characterize period doubling sequences to chaos, homoclinic orbits, and cross-shaped diagrams, which separate regions of oscillations and bistability. Copyright © 1999 American Chemical Society [accessed 2014 March 31st]