Volatile organic compounds-biodiesel thermodynamic interactions

Influence of temperature

Sashay Ramdharee, Edison Muzenda, Mohamed Belaid

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This work investigated the suitability of biodiesel (predominantly Methyl Linolenate, Methyl Palmitate, Methyl Oleate and Methyl Stearate) as an absorbent for the recovery of VOCs from waste gas process streams through absorption. The objective was to predict the vapour liquid equilibria (VLE) data in the form of infinite dilution activity coefficients for five VOC families, in fatty acid methyl ester solvents at varying temperature. The Original Universal Functional Group Activity Coefficient (UNIFAC) model (Fredenslund et al., 1975) [1], Modified UNIFAC (Larsen et al., 1981) [2] and Modified UNIFAC (Bastos et al., 1988) [3] was used to predict the required phase equilibrium. Alkanes, alcohols and acids/ester interactions showed an increase in activity coefficients with increase in temperature. The influence of temperature on the activity coefficients for alkene and amine families was negligible. The solubility of VOCs in biodiesel decreases with increase in ester hydrocarbon unsaturation. The solubility of VOCs increased with increase in ester molecular weight.

Original languageEnglish
Title of host publicationWCE 2016 - World Congress on Engineering 2016
EditorsS. I. Ao, S. I. Ao, Len Gelman, S. I. Ao, Len Gelman, David W.L. Hukins, Andrew Hunter, Alexander M. Korsunsky
PublisherNewswood Limited
Pages698-708
Number of pages11
Volume2224
ISBN (Electronic)9789881404800
Publication statusPublished - Jan 1 2016
EventWorld Congress on Engineering 2016, WCE 2016 - London, United Kingdom
Duration: Jun 29 2016Jul 1 2016

Other

OtherWorld Congress on Engineering 2016, WCE 2016
CountryUnited Kingdom
CityLondon
Period6/29/167/1/16

Fingerprint

Activity coefficients
Biodiesel
Volatile organic compounds
Thermodynamics
Esters
Functional groups
Phase equilibria
Temperature
Solubility
Fatty acids
Paraffins
Dilution
Olefins
Amines
Alcohols
Molecular weight
Hydrocarbons
Recovery
Acids
Gases

All Science Journal Classification (ASJC) codes

  • Computer Science (miscellaneous)

Cite this

Ramdharee, S., Muzenda, E., & Belaid, M. (2016). Volatile organic compounds-biodiesel thermodynamic interactions: Influence of temperature. In S. I. Ao, S. I. Ao, L. Gelman, S. I. Ao, L. Gelman, D. W. L. Hukins, A. Hunter, ... A. M. Korsunsky (Eds.), WCE 2016 - World Congress on Engineering 2016 (Vol. 2224, pp. 698-708). Newswood Limited.
Ramdharee, Sashay ; Muzenda, Edison ; Belaid, Mohamed. / Volatile organic compounds-biodiesel thermodynamic interactions : Influence of temperature. WCE 2016 - World Congress on Engineering 2016. editor / S. I. Ao ; S. I. Ao ; Len Gelman ; S. I. Ao ; Len Gelman ; David W.L. Hukins ; Andrew Hunter ; Alexander M. Korsunsky. Vol. 2224 Newswood Limited, 2016. pp. 698-708
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Ramdharee, S, Muzenda, E & Belaid, M 2016, Volatile organic compounds-biodiesel thermodynamic interactions: Influence of temperature. in SI Ao, SI Ao, L Gelman, SI Ao, L Gelman, DWL Hukins, A Hunter & AM Korsunsky (eds), WCE 2016 - World Congress on Engineering 2016. vol. 2224, Newswood Limited, pp. 698-708, World Congress on Engineering 2016, WCE 2016, London, United Kingdom, 6/29/16.

Volatile organic compounds-biodiesel thermodynamic interactions : Influence of temperature. / Ramdharee, Sashay; Muzenda, Edison; Belaid, Mohamed.

WCE 2016 - World Congress on Engineering 2016. ed. / S. I. Ao; S. I. Ao; Len Gelman; S. I. Ao; Len Gelman; David W.L. Hukins; Andrew Hunter; Alexander M. Korsunsky. Vol. 2224 Newswood Limited, 2016. p. 698-708.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - This work investigated the suitability of biodiesel (predominantly Methyl Linolenate, Methyl Palmitate, Methyl Oleate and Methyl Stearate) as an absorbent for the recovery of VOCs from waste gas process streams through absorption. The objective was to predict the vapour liquid equilibria (VLE) data in the form of infinite dilution activity coefficients for five VOC families, in fatty acid methyl ester solvents at varying temperature. The Original Universal Functional Group Activity Coefficient (UNIFAC) model (Fredenslund et al., 1975) [1], Modified UNIFAC (Larsen et al., 1981) [2] and Modified UNIFAC (Bastos et al., 1988) [3] was used to predict the required phase equilibrium. Alkanes, alcohols and acids/ester interactions showed an increase in activity coefficients with increase in temperature. The influence of temperature on the activity coefficients for alkene and amine families was negligible. The solubility of VOCs in biodiesel decreases with increase in ester hydrocarbon unsaturation. The solubility of VOCs increased with increase in ester molecular weight.

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PB - Newswood Limited

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Ramdharee S, Muzenda E, Belaid M. Volatile organic compounds-biodiesel thermodynamic interactions: Influence of temperature. In Ao SI, Ao SI, Gelman L, Ao SI, Gelman L, Hukins DWL, Hunter A, Korsunsky AM, editors, WCE 2016 - World Congress on Engineering 2016. Vol. 2224. Newswood Limited. 2016. p. 698-708