Open AccessUsing Guar Gum as a Co-friendly Inhibitor to Control Corrosion in Containers in Basrah Refinery
Author(s) -
Akram Al-Asadi,
Abdulrazzaq Saeed Abdullah,
Layla Balasem Almalike
Publication year - 2019
Publication title -
xi'nan jiaotong daxue xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.308
H-Index - 21
ISSN - 0258-2724
DOI - 10.35741/issn.0258-2724.54.5.10
Subject(s) - corrosion , guar gum , corrosion inhibitor , refinery , metal , metallurgy , ferrous , chemistry , chelation , materials science , nuclear chemistry , organic chemistry , biochemistry
Corrosion is responsible for numerous damages mainly in the industrial scope. The best way to fight this damage is prevention. A corrosion inhibitor is one of the most well-known and useful methods to avoid or mitigate destruction/degradation on the surface of metals. Low cost, environmental friendliness and non-toxicity are some of the best features in the guar gum inhibitor used in this research. The study shows that the potential of the metal is shifted positively when the inhibitor concentration is increased. Low current density was also observed due to the increase in the inhibitor concentration. Therefore, a low corrosion rate means low current density and more positive potential of the metal. Different concentrations of the inhibitor are used and the optimum concentration that showed a low corrosion rate is 2.5 g/L. The efficiency of the optimum concentration is 65%. The result states that the guar gum is absorbed on the surface of the metal and gives an unchanging chelate five-membered-ring with ferrous cation Fe+2.