Preparation and characterization of Nanostructured materials from oil palm ash: A bioagricultural waste from oil palm mill

H. P.S. Abdul Khalil, H. M. Fizree, M. Jawaid, Omar S. Alattas

Research output: Contribution to journalArticlepeer-review

58 Citations (Scopus)

Abstract

Oil palm ash (OPA), a bio-agricultural waste from oil palm mills, was subjected to high-energy ball milling for 30 h and was converted into a nano-structured material. The nano-structured OPA was characterized for its particle size and crystallinity index by using Transmission Electron Microscopy (TEM) and X-ray Diffraction (XRD) analysis. The crystallite size obtained from TEM and XRD was found to be 50 nm and 54.32 nm respectively, and the crystallinity index of OPA was 66.54%. The shape and texture of raw and nano-structured OPA were studied using scanning electron microscopy. The raw OPA had an irregular shape with spongy and porous structure, while the nano-structured powder had a mostly irregular and crushed shape. The elemental studies of OPA used Energy Dispersive X-ray (EDX) analysis, XRD, and Fourier Transform Infrared Spectroscopy (FT-IR). The elemental compositions found in OPA were silica, potassium oxide, calcium oxide, magnesium oxide, aluminium oxide, and iron oxide.

Original languageEnglish
Pages (from-to)4537-4546
Number of pages10
JournalBioResources
Volume6
Issue number4
Publication statusPublished - Nov 2011
Externally publishedYes

Keywords

  • Nano structured materials
  • Oil palm ash
  • Silica
  • X-ray diffraction

ASJC Scopus subject areas

  • Environmental Engineering
  • Bioengineering
  • Waste Management and Disposal

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