糠醛对碳钢在盐酸中的缓蚀性能研究

›› 2011, Vol. 31 ›› Issue (6): 83-86.

• 研究报告 • Previous Articles Next Articles

Inhibition Performance of Furfural on Carbon Steel in Hydrochloric Acid

YANG Chang-yan^1,2, YANG Guang-hong^1,2, LIU Dong², DING Yi-gang², WU Yuan-xin², JI Jun², LI Shu²

1. College of Chemical Engineering,Huanggang Normal University, Huanggang 438000, China;2. Key Lab for Green Chemical Process of Ministry of Education,Wuhan Institute of Technology, Wuhan 430073, China

Received:2011-03-02 Revised:1900-01-01 Online:2011-12-30 Published:2011-12-30

Abstract

Abstract: As a corrosion inhibitor, the corrosion inhibition of furfural obtained from straws by microwave pyrolysis was investigated in hydrochloric acid solution. The weight loss and electrochemistry polarization evaluation, and the absorbance of furfural on carbon steel was preliminary discussed. The results showed that furfural, as a complex inhibitor, gives nice inhibition efficiency on carbon steel in hydrochloric acid medium. The inhibition efficiency of furfural was up to 91.3 % when the mass fraction of furfural reaches 0.7 % at room temperature. It can also reduce the activation energy of corrosion reaction. This results in a decrease of corrosion rate. The inhibition performance of furfural is affected by temperature, and its absorbance behaviors can be expressed by the equation of Langmuir model.

Key words: furfural, acid pickling of hydrochloric acid, corrosion inhibitor, inhibition performance

CLC Number:

YANG Chang-yan;YANG Guang-hong;LIU Dong;DING Yi-gang;WU Yuan-xin;JI Jun;LI Shu. Inhibition Performance of Furfural on Carbon Steel in Hydrochloric Acid[J]. , 2011, 31(6): 83-86.

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Inhibition Performance of Furfural on Carbon Steel in Hydrochloric Acid

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