Adsorption kinetics of propane and propylene in zeolite 4A

C. A. Grande, A. E. Rodrigues

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

Experimental data for adsorption kinetics of propane and propylene in zeolite 4A (CECA) at 373, 423 and 473 K were measured by three different techniques: zero length column (ZLC), dynamic breakthrough measurements and static - batch adsorption (uptake measurements). The ZLC method is straightforward for measuring intra-crystalline diffusion, and breakthrough experiments with diluted feed were used to validate the kinetic and equilibrium parameters. The uptake measurements were performed in the nonlinear range of adsorption equilibrium where non-isothermal effects need to be considered to describe the experiments. Propane diffusivities were 2.7 × 10-14 and 5.5 × 10-14 cm2 s-1 at 423 and 473 K, respectively. Propylene diffusivities were 5.9 × 10 -12 and 9.8 × 10-12 cm2 s -1 at 423 and 473 K, respectively. © 2004 Institution of Chemical Engineers.
Original languageEnglish (US)
Pages (from-to)1604-1612
Number of pages9
JournalChemical Engineering Research and Design
Volume82
Issue number12
DOIs
StatePublished - Jan 1 2004
Externally publishedYes

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

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