A natural extract of tobacco rob as scale and corrosion inhibitor in artificial seawater

被引：83
作者：
Wang, Hefang [1 ]
Gao, Meidan [1 ]
Guo, Yong [2 ]
Yang, Yongfang [1 ]
Hu, Rongbin [1 ]
机构：
[1] Hebei Univ Technol, Sch Chem Engn & Technol, Tianjin 300130, Peoples R China
[2] NOOC Tianjin Chem Res Design Inst, Tianjin 300131, Peoples R China
来源：
DESALINATION | 2016年 / 398卷
关键词：
Tobacco rob; Artificial seawater; Scale inhibition; Corrosion inhibition; MILD-STEEL SURFACE; CARBON-STEEL; POLYASPARTIC ACID; PLANT-EXTRACT; RESISTANCE; BRINE; PERFORMANCE; ADSORPTION; ALKALOIDS; ALUMINUM;
D O I：
10.1016/j.desal.2016.07.035
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The corrosion inhibition performance of tobacco rob extract (TRE) for Q235 corrosion in artificial seawater was investigated by potentiodynamic polarization. The experimental results indicate that TRE has good corrosion inhibition performance and the inhibition efficiency increased with the increase of TRE concentration. Scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS) indicated that the corrosion inhibition is due to the formation of a chemisorbed film on the steel. The anti-scale property of TRE in artificial seawater was also studied by static tests for scale and the scale deposits were analyzed by X-ray diffraction (XRD) and SEM, respectively. The results showed that the scale deposits surface morphology and size were changed in the presence of TRE. The corrosion and scale inhibition results indicated the potential use of TRE as an efficient corrosion and scale inhibitor in artificial seawater. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：198 / 207
页数：10
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