Paper Title:
Textural Development of Activated Carbon Prepared from Recycled PET with Different Chemical Activation Agents
  Abstract

Activated carbons (AC) were prepared from waste granulated Polyethyleneterephthalate (PET) by chemical activation with phosphoric acid, sodium hydroxide and potassium hydroxide. All AC were characterised by N2 adsorption at 77 K, and those prepared with H3PO4 had a narrow pore size around 0.8 nm, those prepared with NaOH had a larger pore size higher than 1.52 nm and those prepared with KOH presented a pore size varying between 0.66 and 1.58 nm. The results suggest that H3PO4 and NaOH are not the most suitable activating agents for preparing AC with a high pore volume from waste PET. The AC produced with KOH presented a very high porosity, which passed through a maximum of 0.75 cm3g-1, due to an enlargement of the small micropores with an increase of the carbonisation temperature.

  Info
Periodical
Materials Science Forum (Volumes 587-588)
Edited by
António Torres Marques, António Fernando Silva, António Paulo Monteiro Baptista, Carlos Sá, Fernando Jorge Lino Alves, Luís Filipe Malheiros and Manuel Vieira
Pages
753-757
DOI
10.4028/www.scientific.net/MSF.587-588.753
Citation
I. P.P. Cansado, M. M.L. Ribeiro Carrott, P. J.M. Carrott, P. A.M. Mourão, "Textural Development of Activated Carbon Prepared from Recycled PET with Different Chemical Activation Agents", Materials Science Forum, Vols. 587-588, pp. 753-757, 2008
Online since
June 2008
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