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1998•The Journal of Physical Chemistry ARequires access

Inhomogeneities of CSTR on a Macroscale Due to Spatial Dependence of Micromixing Time: The BZ Reaction

P. E. Strizhak, Fathei Ali, Michael Menzinger

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Abstract

Macroscopic concentration gradients are measured through spatial microelectrode scans in the most turbulently stirred zone of a CSTR on both steady states of the bistable Belousov−Zhabotinsky reaction. The concentration distribution that exists on the macroscale is shown to arise indirectly from the spatial dependence of the micromixing time through the coupling of chemical reaction with micromixing.

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What this paper is about

Macroscopic concentration gradients are measured through spatial microelectrode scans in the most turbulently stirred zone of a CSTR on both steady states of the bistable Belousov−Zhabotinsky reaction. The concentration distribution that exists on the macroscale is shown to arise indirectly from the spatial dependence of the micromixing time through the coupling of chemical reaction with micromixing.

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Available abstract

Macroscopic concentration gradients are measured through spatial microelectrode scans in the most turbulently stirred zone of a CSTR on both steady states of the bistable Belousov−Zhabotinsky reaction. The concentration distribution that exists on the macroscale is shown to arise indirectly from the spatial dependence of the micromixing time through the coupling of chemical reaction with micromixing.

Key concepts: Micromixing, Continuous stirred-tank reactor, Bistability, Materials science, Chemistry, Chemical physics, Mechanics, Thermodynamics

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