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首页> 外文期刊>International Journal of Electrochemical Science >Inhibition and Adsorptive Behavior of Synthesized 1, 4-Bis (2-Benzimidazolyl) Benzene on Mild Steel in 3 M HCl Solution
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Inhibition and Adsorptive Behavior of Synthesized 1, 4-Bis (2-Benzimidazolyl) Benzene on Mild Steel in 3 M HCl Solution

机译：合成的1，4-双（2-苯并咪唑基）苯在3M HCl溶液中对低碳钢的抑制作用和吸附行为

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摘要

Weight loss measurements, electrochemical impedance spectroscopy (EIS) and potentiodynamicpolarization curves were used to assess the inhibition and adsorptive behavior of 1, 4-Bis (2- Benzimidazolyl) Benzene (BBMB) on mild steel in 3 M HCl solution at 303-333 K. Results obtainedshow that BBMB acts as a good inhibitor on mild steel by reducing anodic dissolution and retardingthe hydrogen evolution reaction. With the increase in temperature, corrosion current density of mildsteel in blank solution increases, however, its increase is lower in the presence of BBMB than that inblank solution. The inhibition efficiency was found to increase with the increase in BBMBconcentration and the rise in temperature. The adsorption of the BBMB on the mild steel surfaceobeyed Langmuir adsorption isotherm model. Thermodynamic adsorption parameters show thatBBMB is absorbed on mild steel surface in 3 M HCl solution by a spontaneous endothermic processaccompanied by the negative increase in entropy and its adsorption mechanism is combination ofphysisorption and chemisorption.
机译：使用失重测量，电化学阻抗谱（EIS）和电位动力学极化曲线评估303-333 K在3 M HCl溶液中1，4-双（2-苯并咪唑基）苯（BBMB）对低碳钢的抑制和吸附行为。获得的结果表明，BBMB通过减少阳极溶解并阻止氢释放反应而成为低碳钢的良好抑制剂。随着温度的升高，空白溶液中低碳钢的腐蚀电流密度增加，但是，在有BBMB的情况下，其钢水的腐蚀电流密度比空白溶液低。发现抑制效率随着BBMB浓度的增加和温度的升高而增加。 BBMB在低碳钢表面的Langmuir吸附等温线模型上的吸附。热力学吸附参数表明，BBMB在3 M HCl溶液中是通过自发吸热过程吸附在低碳钢表面的，同时熵负增加，其吸附机理是物理吸附和化学吸附的结合。

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