Issue 20, 2018

Spatiotemporal dynamics of minimal bromate oscillators in an open one-side-fed reactor

Abstract

Minimal bromate oscillators represent the simplest version of the oscillatory reactions based on the chemistry of the oxybromine species. Here, we present numerical and experimental evidence of the existence of reaction–diffusion waves in the ferroin catalyzed minimal bromate oscillator. The wave dynamics depend not only on the characteristic chemical timescales but also on those of the diffusive matter exchange which occurs between the reaction–diffusion medium and its environment. We show that the extended reactivity of the ferroin catalyst towards the oxybromine species plays an essential role in the observed phenomena. For the cerium catalyzed minimal bromate oscillator the simulations support only the formation of spatial bistability.

Graphical abstract: Spatiotemporal dynamics of minimal bromate oscillators in an open one-side-fed reactor

Supplementary files

Article information

Article type
Paper
Submitted
26 Mar 2018
Accepted
30 Apr 2018
First published
30 Apr 2018

Phys. Chem. Chem. Phys., 2018,20, 13851-13857

Spatiotemporal dynamics of minimal bromate oscillators in an open one-side-fed reactor

I. Molnár, K. Kurin-Csörgei and I. Szalai, Phys. Chem. Chem. Phys., 2018, 20, 13851 DOI: 10.1039/C8CP01953C

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