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Single and binary sulfur removal components from model diesel fuel using granular activated carbon from dates’ stones activated by ZnCl2

Paper ID Volume ID Publish Year Pages File Format Full-Text
42558 45931 2009 6 PDF Available
Title
Single and binary sulfur removal components from model diesel fuel using granular activated carbon from dates’ stones activated by ZnCl2
Abstract

Samples of granulated activated carbon (GAC) produced from dates’ stones as adsorbent by chemical activation using ZnCl2 as an activator were used in desulfurization of a model diesel fuel composed of n-decane (n-C10H22) and 4,6-dimethyl dibenzothiophene (4,6-DMDBT) as sulfur containing compound. The adsorption data were fitted to both Freundlich and Langmuir isotherms to estimate the adsorption parameters. The optimum operating conditions for GAC preparation based on high adsorption capacity using ZnCl2 are Tcarb = 600 °C, θcarb = 3.0 h and R = 0.5. Comparison with dibenzothiophene (DBT) adsorption using the same GAC showed that 4,6-DMDBT has a lower adsorption capacity than DBT due to steric effects caused by the existing two methyl groups. Finally adsorption of binary mixtures of DBT and 4,6-DMDBT on GAC were experimentally obtained, fitted and analyzed using extended Langmuir, extended Freundlich and ideal adsorption solution theory, IAST, models.

Graphical abstractSamples of granulated activated carbon (GAC) produced from dates’ stones as adsorbent by chemical activation using ZnCl2 as an activator were used in desulfurization of a model diesel fuel composed of n-C10H34 and dibenzothiophene (4,6-DMDBT) as sulfur containing compound. The adsorption data were fitted to both Freundlich and Langmuir isotherms to estimate the adsorption parameters.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Diesel fuel; Granular activated carbon; Zinc chloride; Desulfurization; 4,6-Dimethyl dibenzothiophene (4,6-DMDBT); Nitrogen adsorption; Binary adsorption; IAST
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Single and binary sulfur removal components from model diesel fuel using granular activated carbon from dates’ stones activated by ZnCl2
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 365, Issue 2, 31 August 2009, Pages 153–158
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us