The mass transport of propane, i-butane and neopentane in zeolites: A frequency response study

G. Onyestyák, J. Valyon, L. V C Rees

Research output: Contribution to journalArticle

Abstract

The sorption mass transport of C3-C5 alkanes in zeolites was studied using the frequency response (FR) rate spectroscopic method. Rate spectra were recorded in the 0 to 160°C temperature and 60 to 600 kPa pressure ranges. The studied alkanes had a fixed backbone of three carbons and different kinetic diameters depending on the number of methyl groups on the central carbon atom. The studied zeolites had 12-, 10-, or 8-member ring (MR) entrances to the intracrystalline cavities. Only propane was found to pass through the 8-MR apertures of zeolite Ca,Na-A. The diffusion resistance of 10-MR channels governed the rate of i-butane and neopentane transport in zeolite H-ZSM-5. in large pore H-zeolites, having 12-MR windows, such as, faujasite, mordenite and beta, sorption was the rate-controlling slowest step of alkane mass transport for all three sorbates studied.

Original languageEnglish
Pages (from-to)1027-1034
Number of pages8
JournalStudies in Surface Science and Catalysis
Volume158 B
Publication statusPublished - 2005

Fingerprint

neopentane
Zeolites
Propane
Butane
butanes
propane
zeolites
Paraffins
frequency response
Frequency response
Mass transfer
Alkanes
alkanes
Sorption
rings
sorption
Carbon
sorbates
carbon
entrances

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Catalysis

Cite this

The mass transport of propane, i-butane and neopentane in zeolites : A frequency response study. / Onyestyák, G.; Valyon, J.; Rees, L. V C.

In: Studies in Surface Science and Catalysis, Vol. 158 B, 2005, p. 1027-1034.

Research output: Contribution to journalArticle

@article{0111eebd9824472088a136a53f951db7,
title = "The mass transport of propane, i-butane and neopentane in zeolites: A frequency response study",
abstract = "The sorption mass transport of C3-C5 alkanes in zeolites was studied using the frequency response (FR) rate spectroscopic method. Rate spectra were recorded in the 0 to 160°C temperature and 60 to 600 kPa pressure ranges. The studied alkanes had a fixed backbone of three carbons and different kinetic diameters depending on the number of methyl groups on the central carbon atom. The studied zeolites had 12-, 10-, or 8-member ring (MR) entrances to the intracrystalline cavities. Only propane was found to pass through the 8-MR apertures of zeolite Ca,Na-A. The diffusion resistance of 10-MR channels governed the rate of i-butane and neopentane transport in zeolite H-ZSM-5. in large pore H-zeolites, having 12-MR windows, such as, faujasite, mordenite and beta, sorption was the rate-controlling slowest step of alkane mass transport for all three sorbates studied.",
author = "G. Onyesty{\'a}k and J. Valyon and Rees, {L. V C}",
year = "2005",
language = "English",
volume = "158 B",
pages = "1027--1034",
journal = "Studies in Surface Science and Catalysis",
issn = "0167-2991",
publisher = "Elsevier BV",

}

TY - JOUR

T1 - The mass transport of propane, i-butane and neopentane in zeolites

T2 - A frequency response study

AU - Onyestyák, G.

AU - Valyon, J.

AU - Rees, L. V C

PY - 2005

Y1 - 2005

N2 - The sorption mass transport of C3-C5 alkanes in zeolites was studied using the frequency response (FR) rate spectroscopic method. Rate spectra were recorded in the 0 to 160°C temperature and 60 to 600 kPa pressure ranges. The studied alkanes had a fixed backbone of three carbons and different kinetic diameters depending on the number of methyl groups on the central carbon atom. The studied zeolites had 12-, 10-, or 8-member ring (MR) entrances to the intracrystalline cavities. Only propane was found to pass through the 8-MR apertures of zeolite Ca,Na-A. The diffusion resistance of 10-MR channels governed the rate of i-butane and neopentane transport in zeolite H-ZSM-5. in large pore H-zeolites, having 12-MR windows, such as, faujasite, mordenite and beta, sorption was the rate-controlling slowest step of alkane mass transport for all three sorbates studied.

AB - The sorption mass transport of C3-C5 alkanes in zeolites was studied using the frequency response (FR) rate spectroscopic method. Rate spectra were recorded in the 0 to 160°C temperature and 60 to 600 kPa pressure ranges. The studied alkanes had a fixed backbone of three carbons and different kinetic diameters depending on the number of methyl groups on the central carbon atom. The studied zeolites had 12-, 10-, or 8-member ring (MR) entrances to the intracrystalline cavities. Only propane was found to pass through the 8-MR apertures of zeolite Ca,Na-A. The diffusion resistance of 10-MR channels governed the rate of i-butane and neopentane transport in zeolite H-ZSM-5. in large pore H-zeolites, having 12-MR windows, such as, faujasite, mordenite and beta, sorption was the rate-controlling slowest step of alkane mass transport for all three sorbates studied.

UR - http://www.scopus.com/inward/record.url?scp=30844460822&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=30844460822&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:30844460822

VL - 158 B

SP - 1027

EP - 1034

JO - Studies in Surface Science and Catalysis

JF - Studies in Surface Science and Catalysis

SN - 0167-2991

ER -