On surface energy and acid–base properties of highly porous parent and surface treated activated carbons using inverse gas chromatography

Animesh Pal, Anett Kondor, Sourav Mitra, Thu Kyaw, Harish Sivasankaran, Bidyut Baran Saha

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Abstract

This study provides the surface characteristics (surface energy and the acid–base properties) of surface treated activated carbons (ACs) using inverse gas chromatography. The surface energy and the acid–base characteristic of studied adsorbents are determined by the retention time using several non-polar and polar probes at 140 °C. It is observed that the dispersive surface energy dominates for all AC samples. The treatment of Maxsorb III with H 2 exhibits the highest basicity due to lower oxygen content on the surface. The presented results express further insights and useful information in functionalizing the activated carbon for various industrial applications.

Original languageEnglish
Pages (from-to)432-443
Number of pages12
JournalJournal of Industrial and Engineering Chemistry
Volume69
DOIs
Publication statusPublished - Jan 25 2019

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Interfacial energy
Gas chromatography
Activated carbon
Alkalinity
Adsorbents
Industrial applications
Oxygen

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

Cite this

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abstract = "This study provides the surface characteristics (surface energy and the acid–base properties) of surface treated activated carbons (ACs) using inverse gas chromatography. The surface energy and the acid–base characteristic of studied adsorbents are determined by the retention time using several non-polar and polar probes at 140 °C. It is observed that the dispersive surface energy dominates for all AC samples. The treatment of Maxsorb III with H 2 exhibits the highest basicity due to lower oxygen content on the surface. The presented results express further insights and useful information in functionalizing the activated carbon for various industrial applications.",
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AU - Pal, Animesh

AU - Kondor, Anett

AU - Mitra, Sourav

AU - Kyaw, Thu

AU - Sivasankaran, Harish

AU - Saha, Bidyut Baran

PY - 2019/1/25

Y1 - 2019/1/25

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AB - This study provides the surface characteristics (surface energy and the acid–base properties) of surface treated activated carbons (ACs) using inverse gas chromatography. The surface energy and the acid–base characteristic of studied adsorbents are determined by the retention time using several non-polar and polar probes at 140 °C. It is observed that the dispersive surface energy dominates for all AC samples. The treatment of Maxsorb III with H 2 exhibits the highest basicity due to lower oxygen content on the surface. The presented results express further insights and useful information in functionalizing the activated carbon for various industrial applications.

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