Nanosilicate extraction from rice husk ash as green corrosion inhibitor

Denni Asra Awizar, Norinsan Kamil Othman, Azman Jalar @ Jalil, Abdul Razak Daud, Irman Abdul Rahman, N. H. Al-Hardan

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Silica was extracted from rice husk ash (RHA) and used to produce corrosion inhibitor for carbon steel. The particle size of the extracted silica was in the range 10-20 nm as measured using transmission electron microscopy (TEM). The corrosion inhibition efficiency of nanosilicate attained 99% as measured using the potentiodynamic polarization and weight loss measurements after 6 hrs exposures. It was found that the nanosilicate act excellently as corrosion inhibitor for carbon steel in distilled water medium. The surface morphology of carbon steel with and without inhibitor was investigated by SEM-EDX.

Original languageEnglish
Pages (from-to)1759-1769
Number of pages11
JournalInternational Journal of Electrochemical Science
Volume8
Issue number2
Publication statusPublished - Feb 2013

Fingerprint

Ashes
Corrosion inhibitors
Carbon steel
Silicon Dioxide
Silica
Potentiodynamic polarization
Surface morphology
Energy dispersive spectroscopy
Particle size
Corrosion
Transmission electron microscopy
Scanning electron microscopy
Water

Keywords

  • Corrosion
  • Inhibition
  • Polarization
  • Rice husk ash
  • Silicate

ASJC Scopus subject areas

  • Electrochemistry

Cite this

Nanosilicate extraction from rice husk ash as green corrosion inhibitor. / Awizar, Denni Asra; Othman, Norinsan Kamil; Jalar @ Jalil, Azman; Daud, Abdul Razak; Abdul Rahman, Irman; Al-Hardan, N. H.

In: International Journal of Electrochemical Science, Vol. 8, No. 2, 02.2013, p. 1759-1769.

Research output: Contribution to journalArticle

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AU - Daud, Abdul Razak

AU - Abdul Rahman, Irman

AU - Al-Hardan, N. H.

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