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Virgin coconut oil (VCO) and potassium glycinate (PG) mixture as absorbent for carbon dioxide capture

In this work, the performance of potassium glycinate (PG) and virgin coconut oil (VCO) mixture as potential green solvent for carbon dioxide (CO2) capture was investigated. The mixture was prepared by mixing PG with 50 weight percent (w/w) VCO and characterised using density meter, tensiometer and F...

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Main Authors: Mohsin, H.M., Johari, K., Shariff, A.M.
Format: Article
Published: Elsevier Ltd 2018
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85048174542&doi=10.1016%2fj.fuel.2018.06.010&partnerID=40&md5=fb82f0290bae0b0ad8265e4ffe0a4a60
http://eprints.utp.edu.my/21396/
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spelling my.utp.eprints.213962018-09-25T06:35:26Z Virgin coconut oil (VCO) and potassium glycinate (PG) mixture as absorbent for carbon dioxide capture Mohsin, H.M. Johari, K. Shariff, A.M. In this work, the performance of potassium glycinate (PG) and virgin coconut oil (VCO) mixture as potential green solvent for carbon dioxide (CO2) capture was investigated. The mixture was prepared by mixing PG with 50 weight percent (w/w) VCO and characterised using density meter, tensiometer and Fourier Transform Infrared (FT-IR) spectrometer. The densities of PG, VCO and PG-VCO mixtures measured from 303.15 to 333.15 K were fitted against an empirical correlation. Viscosities of pure VCO and PG-VCO mixtures were measured at 308.15 K. The solubility of absorbents were studied by bubbling CO2 directly into the solution and measuring mass increase of the solution. Experimental results showed that the density of PG, VCO, and PG-VCO mixtures decreased with increase in temperature and increased with increase in PG concentration. On the other hand, the viscosity of PG-VCO mixtures were reduced by approximately half compared to pure VCO. Moreover, the addition of VCO into the PG solution enhanced the solubility of CO2 in the mixture due to the additional physical interaction between VCO and CO2 molecules. Maximum CO2 absorption of 3.942 mol CO2/mol of PG was observed for 0.1 M PG-VCO mixture. A mechanism study also revealed that the presence of VCO contributed to the formation of bicarbonate ion and protonated potassium glycinate after the CO2 absorption. © 2018 Elsevier Ltd 2018 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85048174542&doi=10.1016%2fj.fuel.2018.06.010&partnerID=40&md5=fb82f0290bae0b0ad8265e4ffe0a4a60 Mohsin, H.M. and Johari, K. and Shariff, A.M. (2018) Virgin coconut oil (VCO) and potassium glycinate (PG) mixture as absorbent for carbon dioxide capture. Fuel, 232 . pp. 454-462. http://eprints.utp.edu.my/21396/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description In this work, the performance of potassium glycinate (PG) and virgin coconut oil (VCO) mixture as potential green solvent for carbon dioxide (CO2) capture was investigated. The mixture was prepared by mixing PG with 50 weight percent (w/w) VCO and characterised using density meter, tensiometer and Fourier Transform Infrared (FT-IR) spectrometer. The densities of PG, VCO and PG-VCO mixtures measured from 303.15 to 333.15 K were fitted against an empirical correlation. Viscosities of pure VCO and PG-VCO mixtures were measured at 308.15 K. The solubility of absorbents were studied by bubbling CO2 directly into the solution and measuring mass increase of the solution. Experimental results showed that the density of PG, VCO, and PG-VCO mixtures decreased with increase in temperature and increased with increase in PG concentration. On the other hand, the viscosity of PG-VCO mixtures were reduced by approximately half compared to pure VCO. Moreover, the addition of VCO into the PG solution enhanced the solubility of CO2 in the mixture due to the additional physical interaction between VCO and CO2 molecules. Maximum CO2 absorption of 3.942 mol CO2/mol of PG was observed for 0.1 M PG-VCO mixture. A mechanism study also revealed that the presence of VCO contributed to the formation of bicarbonate ion and protonated potassium glycinate after the CO2 absorption. © 2018
format Article
author Mohsin, H.M.
Johari, K.
Shariff, A.M.
spellingShingle Mohsin, H.M.
Johari, K.
Shariff, A.M.
Virgin coconut oil (VCO) and potassium glycinate (PG) mixture as absorbent for carbon dioxide capture
author_facet Mohsin, H.M.
Johari, K.
Shariff, A.M.
author_sort Mohsin, H.M.
title Virgin coconut oil (VCO) and potassium glycinate (PG) mixture as absorbent for carbon dioxide capture
title_short Virgin coconut oil (VCO) and potassium glycinate (PG) mixture as absorbent for carbon dioxide capture
title_full Virgin coconut oil (VCO) and potassium glycinate (PG) mixture as absorbent for carbon dioxide capture
title_fullStr Virgin coconut oil (VCO) and potassium glycinate (PG) mixture as absorbent for carbon dioxide capture
title_full_unstemmed Virgin coconut oil (VCO) and potassium glycinate (PG) mixture as absorbent for carbon dioxide capture
title_sort virgin coconut oil (vco) and potassium glycinate (pg) mixture as absorbent for carbon dioxide capture
publisher Elsevier Ltd
publishDate 2018
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85048174542&doi=10.1016%2fj.fuel.2018.06.010&partnerID=40&md5=fb82f0290bae0b0ad8265e4ffe0a4a60
http://eprints.utp.edu.my/21396/
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score 13.211869

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