Susai Rajendran
Hydrophobicity and Corrosion Inhibition
Corrosion Inhibition of Carbon Steel by Surfactants
Buch
The inhibition efficiency of six inhibitors namely Cetyl trimethyl ammonium bromide, Sodium dodecyl sulphate, Tween 80, Tween 60, Tween 20 and Triton X 100 in controlling corrosion of carbon steel in well water has been evaluated by weight loss method. The formulation consisting of 200 ppm of surfactants and 50 ppm of Zn2+ gives 96%, 92%, 90%, 88%, 85%, 84% inhibition efficiencies respectively. A synergistic effect exists between surfactants and Zn2+. Polarization study reveals that surfactant-Zn2+ system functions as a mixed kind of inhibitor. Mechanistic aspects have been studied by Polarization and AC-impedance spectra. AC impedance spectr…
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Beschreibung
The inhibition efficiency of six inhibitors namely Cetyl trimethyl ammonium bromide, Sodium dodecyl sulphate, Tween 80, Tween 60, Tween 20 and Triton X 100 in controlling corrosion of carbon steel in well water has been evaluated by weight loss method. The formulation consisting of 200 ppm of surfactants and 50 ppm of Zn2+ gives 96%, 92%, 90%, 88%, 85%, 84% inhibition efficiencies respectively. A synergistic effect exists between surfactants and Zn2+. Polarization study reveals that surfactant-Zn2+ system functions as a mixed kind of inhibitor. Mechanistic aspects have been studied by Polarization and AC-impedance spectra. AC impedance spectra reveal that a protective film is formed on the metal surface. FTIR spectra reveal that the protective film consists of Fe2+-surfactant complex and Zn(OH)2. The formation of mono layer and hydrophobic nature were confirmed by AFM, FTIR and contact angle measurements. As the value of contact angle increases, hydrophobicity increases and hence corrosion resistance increases. The self assembling nanolayers of the surfactants offer better corrosion inhibition efficiencies.
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Produktdetails
Weitere Autoren: Banu, V. R. Nazeera / Umasankareswari, T.
- ISBN: 978-3-330-05340-3
- EAN: 9783330053403
- Produktnummer: 37540797
- Verlag: LAP Lambert Academic Publishing
- Sprache: Englisch
- Erscheinungsjahr: 2017
- Seitenangabe: 68 S.
- Masse: H22.0 cm x B15.0 cm x D0.4 cm 119 g
- Abbildungen: Paperback
- Gewicht: 119
Über den Autor
Prof Dr Susai Rajendran has been serving the Student Community for the past 43 years as Professor of Chemistry. He feels that his students are his strength and wealth. He is standing on the shoulders of his Students. He is taking Research towards The Down Trodden and The Youngest. He has authored 3 Books ,1 Patent and published 300+ papers.
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Corrosion Inhibition of Carbon Steel by Surfactants
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Corrosion Inhibition of Carbon Steel by Surfactants
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