Corrosion Inhibition of Steel by Various Parts of Rotula Aquatica Plant Extracts in H2SO4 Solutions

被引：19
|
作者：
Patel, Niketan S. [1 ]
Hadlicka, Jiri [1 ]
Beranek, Pavel [1 ]
Salghi, Rachid [1 ]
Bouya, Houceine [2 ]
Ismat, Hassan A. [3 ]
Hammouti, Belkheir [4 ]
机构：
[1] Inst Chem Technol, Dept Chem Engn, Tech 5, Prague 6, Czech Republic
[2] Univ Ibn Zohr, ENSA, Equipe Genie Environm & Biotechnol, Agadir, Morocco
[3] King Khalid Univ, Coll Sci, Dept Chem, Abha, Saudi Arabia
[4] Univ Mohammed First, Fac Sci, LCAE URAC18, Oujda, Morocco
来源：
PORTUGALIAE ELECTROCHIMICA ACTA | 2014年 / 32卷 / 06期
关键词：
Rotula aquatic; corrosion inhibition; mild steel;
D O I：
10.4152/pea.201406395
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The corrosion inhibition and adsorption of ethanol extracts of leaves (LV), stems (ST) and roots (RT) of Rotula aquatica plant for mild steel in H2SO4 solutions were investigated using conventional weight loss, gasometric techniques, electrochemical polarizations and electrochemical impedance spectroscopy. The results showed that all the three extracts of Rotula aquatica plant performed well as inhibitor for the corrosion of steel in sulphuric acid media and the inhibition efficiencies of the extract follow the trend RT > LV > ST. Inhibition efficiencies increased with increasing concentration of the plant extracts but decreased with the temperature rise for all cases. Both the cathodic hydrogen evolution and the anodic dissolution of mild steel were inhibited, hence the active molecules of all the extracts studied acted as mixed type corrosion inhibitors.
引用
收藏
页码：395 / 403
页数：9
相关论文
共 50 条
  • [31] Corrosion inhibition of pure iron in 0.5 M H2SO4 solutions by ethanolamines
    Jeyaprabha, C
    Sathiyanarayanan, S
    Venkatachari, G
    APPLIED SURFACE SCIENCE, 2005, 246 (1-3) : 108 - 116
  • [32] CORROSION OF CARBON-STEEL IN H2SO4 SOLUTIONS IN PRESENCE OF HALIDE IONS
    HEGYI, A
    HORVATH, J
    RAUSCHER, A
    MAGYAR KEMIAI FOLYOIRAT, 1973, 79 (05): : 193 - 197
  • [33] Corrosion inhibition by leaves and stem extracts of Sida acuta for mild steel in 1 M H2SO4 solutions investigated by chemical and spectroscopic techniques
    Umoren, S. A.
    Eduok, U. M.
    Solomon, M. M.
    Udoh, A. P.
    ARABIAN JOURNAL OF CHEMISTRY, 2016, 9 : S209 - S224
  • [34] Corrosion inhibition of nickel in H2SO4 solution by alanine
    Hamed, E.
    El-REhim, S. S. Abd
    El-Shahat, M. F.
    Shaltot, A. M.
    MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 2012, 177 (05): : 441 - 448
  • [35] Eco-friendly corrosion inhibitors:: inhibitive action of ethanol extracts of Garcinia kola for the corrosion of mild steel in H2SO4 solutions
    Okafor, P. C.
    Osabor, V. I.
    Ebenso, E. E.
    PIGMENT & RESIN TECHNOLOGY, 2007, 36 (05) : 299 - 305
  • [36] Inhibitive action of ethanol extracts from Nauclea latifolia on the corrosion of mild steel in H2SO4 solutions and their adsorption characteristics
    Uwah, I. E.
    Okafor, P. C.
    Ebiekpe, V. E.
    ARABIAN JOURNAL OF CHEMISTRY, 2013, 6 (03) : 285 - 293
  • [37] Effects of Extracts from Nauclea Latifolia on the Dissolution of Carbon Steel in H2SO4 Solutions
    Okafor, P. C.
    Ikpi, M. E.
    Ekanem, U. I.
    Ebenso, E. E.
    INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE, 2013, 8 (11): : 12278 - 12286
  • [38] Corrosion behavior of CuNiCrAl alloy in H2SO4 solutions
    Liu Jianhua
    Zhang Ruijun
    Yang Jingru
    Sun Qina
    RARE METAL MATERIALS AND ENGINEERING, 2007, 36 : 295 - 298
  • [39] CORROSION BEHAVIOR OF PURE CHROMIUM IN H2SO4 SOLUTIONS
    KATO, M
    SAKAKI, T
    JOURNAL OF THE JAPAN INSTITUTE OF METALS, 1992, 56 (01) : 67 - 73
  • [40] Testing the inhibition efficiency of the castor oil leaf as corrosion inhibitor of mild steel in H2SO4 2 SO 4
    Omotioma, M.
    Onukwuli, O. D.
    Nnanwube, I. A.
    HELIYON, 2024, 10 (10)
12345