Solketal Removal from Aqueous Solutions Using Activated Carbon and a Metal–Organic Framework as Adsorbents

The worldwide rise in biodiesel production has generated an excess of glycerol, a byproduct of the process. One of the most interesting alternative uses of glycerol is the production of solketal, a bioadditive that can improve the properties of both diesel and gasoline fuels. Even with its promising...

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Autores principales:	Leticia Santamaría, Sophia A. Korili, Antonio Gil
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	solketal emerging water pollutants pharmaceutical compounds Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/b599d7e3303144ecb9aaf4eb7c689140
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spelling	oai:doaj.org-article:b599d7e3303144ecb9aaf4eb7c6891402021-11-25T18:14:08ZSolketal Removal from Aqueous Solutions Using Activated Carbon and a Metal–Organic Framework as Adsorbents10.3390/ma142268521996-1944https://doaj.org/article/b599d7e3303144ecb9aaf4eb7c6891402021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6852https://doaj.org/toc/1996-1944The worldwide rise in biodiesel production has generated an excess of glycerol, a byproduct of the process. One of the most interesting alternative uses of glycerol is the production of solketal, a bioadditive that can improve the properties of both diesel and gasoline fuels. Even with its promising future, not much research has been performed on its toxicity in aqueous environments. In this work, solketal adsorption has been tested with two different commercial adsorbents: an activated carbon (Hydrodarco 3000) and a metal–organic framework (MIL-53). Diclofenac and caffeine were also chosen as emerging contaminants for comparison purposes. The effect of various parameters, such as the adsorbent mass or initial concentration of pollutants, has been studied. Adsorption kinetics with a better fit to a pseudo-second-order model, intraparticle diffusion, and effective diffusion coefficient were studied as well. Various isotherm equation models were employed to study the equilibrium process. The results obtained indicate that activated carbon is more effective in removing solketal from aqueous solutions than the metal–organic framework.Leticia SantamaríaSophia A. KoriliAntonio GilMDPI AGarticlesolketalemerging water pollutantspharmaceutical compoundsTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6852, p 6852 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	solketal emerging water pollutants pharmaceutical compounds Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	solketal emerging water pollutants pharmaceutical compounds Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Leticia Santamaría Sophia A. Korili Antonio Gil Solketal Removal from Aqueous Solutions Using Activated Carbon and a Metal–Organic Framework as Adsorbents
description	The worldwide rise in biodiesel production has generated an excess of glycerol, a byproduct of the process. One of the most interesting alternative uses of glycerol is the production of solketal, a bioadditive that can improve the properties of both diesel and gasoline fuels. Even with its promising future, not much research has been performed on its toxicity in aqueous environments. In this work, solketal adsorption has been tested with two different commercial adsorbents: an activated carbon (Hydrodarco 3000) and a metal–organic framework (MIL-53). Diclofenac and caffeine were also chosen as emerging contaminants for comparison purposes. The effect of various parameters, such as the adsorbent mass or initial concentration of pollutants, has been studied. Adsorption kinetics with a better fit to a pseudo-second-order model, intraparticle diffusion, and effective diffusion coefficient were studied as well. Various isotherm equation models were employed to study the equilibrium process. The results obtained indicate that activated carbon is more effective in removing solketal from aqueous solutions than the metal–organic framework.
format	article
author	Leticia Santamaría Sophia A. Korili Antonio Gil
author_facet	Leticia Santamaría Sophia A. Korili Antonio Gil
author_sort	Leticia Santamaría
title	Solketal Removal from Aqueous Solutions Using Activated Carbon and a Metal–Organic Framework as Adsorbents
title_short	Solketal Removal from Aqueous Solutions Using Activated Carbon and a Metal–Organic Framework as Adsorbents
title_full	Solketal Removal from Aqueous Solutions Using Activated Carbon and a Metal–Organic Framework as Adsorbents
title_fullStr	Solketal Removal from Aqueous Solutions Using Activated Carbon and a Metal–Organic Framework as Adsorbents
title_full_unstemmed	Solketal Removal from Aqueous Solutions Using Activated Carbon and a Metal–Organic Framework as Adsorbents
title_sort	solketal removal from aqueous solutions using activated carbon and a metal–organic framework as adsorbents
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b599d7e3303144ecb9aaf4eb7c689140
work_keys_str_mv	AT leticiasantamaria solketalremovalfromaqueoussolutionsusingactivatedcarbonandametalorganicframeworkasadsorbents AT sophiaakorili solketalremovalfromaqueoussolutionsusingactivatedcarbonandametalorganicframeworkasadsorbents AT antoniogil solketalremovalfromaqueoussolutionsusingactivatedcarbonandametalorganicframeworkasadsorbents
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Solketal Removal from Aqueous Solutions Using Activated Carbon and a Metal–Organic Framework as Adsorbents

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