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, Kyaw Thu, Sivasankaran Harish, Bidyut Baran Saha

    Research output: Contribution to journalArticlepeer-review

    13 Citations (Scopus)

    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 H2 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

    All Science Journal Classification (ASJC) codes

    • Chemical Engineering(all)

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