Modeling of Breakthrough Curves for Adsorption of Propane, n-Butane, and Iso-Butane Mixture on 5A Molecular Sieve Zeolite

Breakthrough curves for the adsorption of propane, n -butane, and iso-butane mixture on 5A molecular sieve zeolite were obtained experimentally and theoretically at a constant temperature of 301 K. The equilibrium model and linear driving force model were used to predict the experimental breakthroug...

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Bibliographic Details
Published in:Transport in porous media 2011-01, Vol.86 (1), p.215-228
Main Authors: Ahmed, Muthanna J., Mohammed, Abdul Halim A. K., Kadhum, Abdul Amir H.
Format: Article
Language:English
Subjects:
Adsorbates
Adsorption
Civil Engineering
Classical and Continuum Physics
Composition effects
Concentration (composition)
Earth and Environmental Science
Earth Sciences
Earth, ocean, space
Economic models
Engineering and environment geology. Geothermics
Exact sciences and technology
Finite difference method
Flow velocity
Geotechnical Engineering & Applied Earth Sciences
Hydrocarbons
Hydrogeology
Hydrology. Hydrogeology
Hydrology/Water Resources
Industrial Chemistry/Chemical Engineering
Mathematical analysis
Mathematical models
Molecular sieves
Numerical methods
Pollution, environment geology
Propane
Sedimentary rocks
Zeolites
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Summary:Breakthrough curves for the adsorption of propane, n -butane, and iso-butane mixture on 5A molecular sieve zeolite were obtained experimentally and theoretically at a constant temperature of 301 K. The equilibrium model and linear driving force model were used to predict the experimental breakthrough curves for this multicomponent mixture. The equilibrium model gave a satisfactory fit for experimental data. The model equations were solved by a numerical method based on backward finite difference with a fixed griding technique. The effects of feed flow rate (0.552–3.496 l/min), feed concentration (60.72–141.68 mmol/l), and adsorbates composition (58.75–75.32%) on these breakthrough curves were examined.
ISSN:0169-3913
1573-1634
DOI:10.1007/s11242-010-9617-5