Influence of temperature on corrosion inhibition for carbon steel by rice straw extract in HCl solution

Synergistic effect of cationic surfactant

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The corrosion inhibitive effects of rice straw extract (RSE) for carbon steel in 1 M HCl solution was investigated. Weight loss method and potentiodynamic polarization was used to study the inhibition efficiency of cationic surfactant, benzalkonium chloride (BKC) additives into rice straw extract corrosion inhibitor. Inhibition efficiency was determined by comparing the inhibition efficiency in the absence and presence of additives. The corrosion inhibition efficiency was found to increase with surfactant concentration and decreased with increasing temperature which is due to the fact that, the rate of carbon steel corrosion was higher than the rate of adsorption of inhibitor molecules. The inhibiting action of the rice straw extract was considerably enhanced by the addition of cationic surfactant. The results obtained from weight loss analysis are in direct agreement with tafel polarization studies. Tafel polarization data indicated that a combination of RSE and BKC acts as a mixed-type inhibitor.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages48-53
Number of pages6
Volume1571
DOIs
Publication statusPublished - 2013
Event2013 UKM Faculty of Science and Technology Post-Graduate Colloquium - Selangor
Duration: 3 Jul 20134 Jul 2013

Other

Other2013 UKM Faculty of Science and Technology Post-Graduate Colloquium
CitySelangor
Period3/7/134/7/13

Fingerprint

carbon steels
rice
corrosion
surfactants
inhibitors
polarization
chlorides
temperature
adsorption
molecules

Keywords

  • Acidic solution
  • Corrosion inhibitor
  • Rice straw extract
  • Surfactants

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Influence of temperature on corrosion inhibition for carbon steel by rice straw extract in HCl solution : Synergistic effect of cationic surfactant. / Zulkafli, Rabiahtul; Othman, Norinsan Kamil; Jalar @ Jalil, Azman.

AIP Conference Proceedings. Vol. 1571 2013. p. 48-53.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zulkafli, R, Othman, NK & Jalar @ Jalil, A 2013, Influence of temperature on corrosion inhibition for carbon steel by rice straw extract in HCl solution: Synergistic effect of cationic surfactant. in AIP Conference Proceedings. vol. 1571, pp. 48-53, 2013 UKM Faculty of Science and Technology Post-Graduate Colloquium, Selangor, 3/7/13. https://doi.org/10.1063/1.4858628
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