Concentration dependence of diffusion-controlled reactions among static reactive sinks

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Abstract

We evaluate a rigorous lower bound on the rate constant k associated with diffusion-controlled reactions in a porous medium composed of impenetrable spherical sinks, for a wide range of sink volume fractions. The results are compared to an effective-medium approximation for k. It is found that the lower bound gives a useful estimate of the rate constant for virtually all sink concentrations.

Original languageEnglish (US)
Pages (from-to)7178-7179
Number of pages2
JournalThe Journal of chemical physics
Volume85
Issue number12
DOIs
StatePublished - Jan 1 1986
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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