Removal of Heavy Polynuclear Aromatics by Activated Carbons

Wijai Pilawan; Wisanu Sirikarn; Kriangsak Kraiwattanawong

doi:10.4028/www.scientific.net/KEM.775.371

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 775Removal of Heavy Polynuclear Aromatics by...

Removal of Heavy Polynuclear Aromatics by Activated Carbons

Abstract:

Heavy polynuclear aromatics (HPNA) is a complex molecules generated during hydrocracking process in waxy oil. HPNA is eliminated by a commercial activated carbon in the absorber to prevent the fouling in the pipelines and the decrease of product yield. In this work, the commercial activated carbons containing the different micropores and the different mesopores were selected to investigate the influence of pore structure on the HPNA removal. Here, the surface area of commercial activated carbons were quite equivalent. The results show that the activated carbon possessing the high mesopores can adsorb HPNA better than the activated carbon having the high micropores in spite of the summation of a micropore volume and a mesopore volume are quite equal. Therefore, the mesopore structure is a major role in the HPNA removal.

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Periodical:

Key Engineering Materials (Volume 775)

Pages:

371-375

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.775.371

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Online since:

August 2018

Authors:

Wijai Pilawan, Wisanu Sirikarn, Kriangsak Kraiwattanawong*

Keywords:

Activated Carbon, Heavy Polynuclear Aromatics, Porous Properties

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