– The Effect of L-Methionine on Corrosion Inhibition of Mild Steel in 2m Hcl Using Weight Loss Method (PDF) –
Download The Effect of L-Methionine on Corrosion Inhibition of Mild Steel in 2m Hcl Using Weight Loss Method (PDF). Students who are writing their projects can get this material to aid their research work.
The inhibitive action of L- Methionine against the corrosion of mild steel in 2M HCl was investigated using weight loss method at 303K, 313K, 323K and 333K.
Results obtained showed that L-Methionine is a good inhibitor for mild steel in 2M HCl solution with maximum inhibition efficiency of 93.08% in 5.0 x 10-4M at 323K.
The result also reveals that increase in temperature increases corrosion rate and decreases efficiency; while increase in concentration of the inhibitor decreases corrosion rate and decreases efficiency
1.1 Background of the Study
The corrosion of metals at the solid/liquid interface by corrodents such as acid and base is a major problem encountered in numerous industrial processes (Kadhum et al., 2014).
Millions of dollars are lost yearly because of corrosion; much of this loss is due to corrosion of iron and steel although many other metals may corrode as well as the problem with iron.
Due to this harmful effect, corrosion is an undesirable phenomenon that ought to be prevented (Buchwershaija, 2009).
Mild steel is one of the major construction materials which is extensively used in chemical and allied industries for the handling of acids, alkalis, salts and other solutions.
Definition of Corrosion
Corrosion is the deterioration or loss of material and its critical properties due to chemical, electrochemical and other reactions of the exposed material surface with the environment (Fontana, 1986).
Corrosion is a natural process that reduces the binding energy in metals with the end result involving a metal being oxidized as the bulk metal loses one or more electrons (Chinwko et al; 2014).
Corrosion of metal differs from that of other materials in that it involves charge transfer (ions and electrons) and in most cases conducting solutions, that is electrolytes (Khamael and Mabrouk, 2009).
The environment that corrodes a metal could be air, water, acid, base, soil and others.
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