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Appl. Sci. 2018, 8(2), 295; https://doi.org/10.3390/app8020295

Separation of Light Liquid Paraffin C5–C9 with Cuban Volcanic Glass Previously Used in Copper Elimination from Water Solutions

1
Departamento FQB, Facultad de Ingeniería Química, Instituto Superior Politécnico José Antonio Hechevarría, MES, La Habana 19390, Cuba
2
Departamento de Química Inorgánica, Cristalografía y Mineralogía (Unidad Asociada al ICP-CSIC), Facultad de Ciencias, Universidad de Málaga, Málaga 29071, Spain
*
Authors to whom correspondence should be addressed.
Received: 10 January 2018 / Revised: 2 February 2018 / Accepted: 13 February 2018 / Published: 17 February 2018
(This article belongs to the Special Issue Nanoporous Materials and Their Applications)
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Abstract

Featured Application: In this work, an inexpensive and available material, as volcanic glass, is used to absorb metals from wastewater and then it is used to the separation of light liquid-olefins.

Abstract
: Raw porous volcanic glass from Cuba was used as an adsorbent for Cu2+ removal from dyes after activation with an acid solution. After Cu2+ adsorption, it was also evaluated its capacity to separate n-paraffins from a mixture by inverse gas chromatography (IGC), and the results were compared with those obtained with bare volcanic glass without copper. The main goal of this work is to highlight the great applicability of natural volcanic glass, which can be reused without pretreatment as an adsorbent. The results from copper adsorption were quite promising, considering the availability and low cost of this material; the sample without acid treatment turned out to be the most adequate to remove copper. Moreover, the results from IGC revealed that the separation of paraffins from the mixture was achieved with both bare volcanic glass and glass containing Cu, although greater heat adsorption values were obtained when copper was present in the sample due to the stronger interaction between paraffin and copper. The high availability and low cost of this porous material make it a potential and attractive candidate to be used in both heavy metal removal and paraffin separation for industrial purposes. View Full-Text
Keywords: glass; adsorption; surface properties; copper removal; IGC; paraffins glass; adsorption; surface properties; copper removal; IGC; paraffins
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Autie-Pérez, M.; Infantes-Molina, A.; Cecilia, J.A.; Labadie-Suárez, J.M.; Rodríguez-Castellón, E. Separation of Light Liquid Paraffin C5–C9 with Cuban Volcanic Glass Previously Used in Copper Elimination from Water Solutions. Appl. Sci. 2018, 8, 295.

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