Using granular activated carbon prepared from oil palm shell by ZnCl 2 and physical activation for methane adsorption

Arash Arami-Niya, Wan Mohd Ashri Wan Daud, Farouq S. Mjalli

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Granular activated carbons for methane adsorption have been prepared by impregnation of oil palm shell with various solutions of ZnCl2 followed by heat treatment at 500 °C under a flow of nitrogen. For this precursor, large micropore volume of micropores (with a very small volume of mesopores and macropores) was obtained with intermediate ZnCl2 mass ratio. Methane capacity at 800 mmHg was in the range of 10-12 cm3/g. All the samples were further activated by reaction under a flow of carbon dioxide. Although such activation resulted in a decrease in the BET surface area, average pore width, micropore and pore volume (except very low impregnation ratio, XZn = 0.15 g/g), however, there was a 100% net increase in the methane capacity.

Original languageEnglish
Pages (from-to)197-203
Number of pages7
JournalJournal of Analytical and Applied Pyrolysis
Volume89
Issue number2
DOIs
Publication statusPublished - Nov 2010

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Palm oil
Methane
Activated carbon
Chemical activation
Adsorption
Impregnation
Carbon Dioxide
Carbon dioxide
Nitrogen
Heat treatment

Keywords

  • Activated carbon
  • Chemical and physical activation
  • Methane adsorption
  • Palm shell
  • Pore size distribution

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Using granular activated carbon prepared from oil palm shell by ZnCl 2 and physical activation for methane adsorption. / Arami-Niya, Arash; Daud, Wan Mohd Ashri Wan; Mjalli, Farouq S.

In: Journal of Analytical and Applied Pyrolysis, Vol. 89, No. 2, 11.2010, p. 197-203.

Research output: Contribution to journalArticle

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