Electrical and mechanical properties of carbon pellets from acid (HNO3) treated self-adhesive carbon grain from oil palm empty fruit bunch

Mohamad Deraman, Ramli Omar, Sarani Zakaria, I. R. Mustapa, Meor Zainal Meor Talib, N. Alias, R. Jaafar

Research output: Contribution to journalArticle

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Abstract

Factors such as its natural properties, low cost and availability in large quantities as a by-product may give oil palm empty fruit bunches (EFB) a great potential as a candidate precursor for solid carbon products. Self-adhesive carbon grains (SACG) were prepared from EFB by a low temperature pre-carbonization process. Green pellets were prepared from SACG and SACG treated with nitric acid having concentration of 1, 3 and 5 Molar (M). Carbon pellets were produced by carbonization of green pellets up to 1000°C in a nitrogen environment using multi-step heating profile. Measurements on carbon pellets show that the electrical conductivity (σ), hardness (H) and Young's modulus (Y) follow the linear equations σ/[10-3 × (μm Ω)-1]=0.57M + 4.74, H/[Vickers hardness]=27M + 148 and Y/[GPa]=2.6M + 5.0, respectively. This indicates that nitric acid systematically affected the properties of the product. The behavior that σ, H and Y increase linearly with M seems to be associated with the effect of acid treatment on the weight loss, lignocellulosic structure and particle size of the SACG.

Original languageEnglish
Pages (from-to)3329-3335
Number of pages7
JournalJournal of Materials Science
Volume37
Issue number16
DOIs
Publication statusPublished - 15 Aug 2002

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Palm oil
Fruits
Adhesives
Electric properties
Carbon
Mechanical properties
Acids
Nitric Acid
Carbonization
Nitric acid
Vickers hardness
Linear equations
Byproducts
Nitrogen
Elastic moduli
Hardness
Particle size
Availability
Heating
Costs

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Electrical and mechanical properties of carbon pellets from acid (HNO3) treated self-adhesive carbon grain from oil palm empty fruit bunch. / Deraman, Mohamad; Omar, Ramli; Zakaria, Sarani; Mustapa, I. R.; Meor Talib, Meor Zainal; Alias, N.; Jaafar, R.

In: Journal of Materials Science, Vol. 37, No. 16, 15.08.2002, p. 3329-3335.

Research output: Contribution to journalArticle

Deraman, Mohamad ; Omar, Ramli ; Zakaria, Sarani ; Mustapa, I. R. ; Meor Talib, Meor Zainal ; Alias, N. ; Jaafar, R. / Electrical and mechanical properties of carbon pellets from acid (HNO3) treated self-adhesive carbon grain from oil palm empty fruit bunch. In: Journal of Materials Science. 2002 ; Vol. 37, No. 16. pp. 3329-3335.
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