期刊
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷 59, 期 -, 页码 526-535出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jtice.2015.08.020
关键词
Mild steel; Adsorption; Computer modeling; Inhibition; Electrochemistry
资金
- National Major Science and Technology Program for Water Pollution Control and Treatment [2013ZX07210 - 001]
The inhibition performance of a pyridine derivative with more than one pyridine ring, N, N-Bis(2-pyridylmethyl)aniline (BPA), for mild steel in 1.0 M HCl was evaluated by weight loss, electrochemical measurements and scanning electron microscopy methods. Then the experimental results were confirmed by quantum chemical calculations and molecular dynamics simulations methods. It was found that BPA behaved as a mixed type inhibitor, retarding both anodic metal dissolution and cathodic hydrogen evolution reactions. The adsorption process of BPA obeyed the Langmuir isotherm and the thermodynamic parameters were discussed. The scanning electron microscopy study proved that BPA can exhibit good inhibition ability by forming a protective film on the mild steel surface. (C) 2015 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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