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Chemcial Industry and Engineering 2023, Vol. 40 Issue (5) :123-134    DOI: 10.13353/j.issn.1004.9533.20210858
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Corrosion inhibition performance of furfural derivatives in hydrochloric acid solution
SHI Xuelei1,2,3,4, WANG Jixiao1,2,3,4, GAO Min1,2,3,4, SONG Shuangshuang1,2,3,4, CONG Chang1,2,3,4, WU Changhao1,2,3,4, WANG Zhi1,2,3,4
1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
2. State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, China;
3. Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300350, China;
4. Collaborative Innovation Center of Chemical Science and Technology, Tianjin University, Tianjin 300072, China

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Abstract It is a hot research point to prepare green corrosion inhibitors with bio-wastes as raw materials. Furfural is one of the most promising chemical platforms derived from biomass. Here, a new high-efficiency corrosion inhibitor, namely N2-(2-furylidene)-1,3,5-triazine-2,4,6-triamine (FMA), was prepared by condensation reaction of furfural and melamine. Corrosion inhibition performance of FMA in 1.0 mol·L-1 HCl was characterized by weight loss test, electrochemical measurement and surface characterization. The static weight loss test results under room temperature condition show that the corrosion inhibition efficiency is as high as 95.14% under the condition of the FMA concentration at 200 mg·L-1, while the temperature is up to 338 K, the corresponding corrosion inhibition efficiency remains above 90%. The electrochemical test results show that FMA is a mixed type corrosion inhibitor that mainly inhibits anode process, and its excellent corrosion inhibition performance is attributed to the ability to form an adsorption film on the surface of mild steel that obeys the Langmuir isotherm adsorption model.Scanning electron microscopy (SEM) results show that the surface of mild steel containing FMA is still smooth flat after being immersed in 1.0 mol·L-1 HCl solution for 6 hours.
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Articles by authors
SHI Xuelei
WANG Jixiao
GAO Min
SONG Shuangshuang
CONG Chang
WU Changhao
WANG Zhi
Keywordscorrosion   biomass   electrochemistry   furfural   furanyl Schiff base   corrosion inhibitor     
Received 2021-12-09;
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SHI Xuelei, WANG Jixiao, GAO Min, SONG Shuangshuang, CONG Chang, WU Changhao, WANG Zhi.Corrosion inhibition performance of furfural derivatives in hydrochloric acid solution[J]  Chemcial Industry and Engineering, 2023,V40(5): 123-134
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