Research on Synthesis and Complex of Corrosion Inhibitor for Blast Furnace Gas Pipeline

Xing Cheng; Yan Chun Huang; Xiao Ling Deng; Shu Ting Mei; Hu Zhang; Fu Rong Zhou

doi:10.4028/www.scientific.net/AMR.1010-1012.626

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1010-1012Research on Synthesis and Complex of Corrosion...

Research on Synthesis and Complex of Corrosion Inhibitor for Blast Furnace Gas Pipeline

Abstract:

4-(N,N-dibutylaminomethyl) morpholine salt (DBM) was synthesized with morpholine，di-n-butylamine，paraformaldehyde under acid condition and characterized by IR. According to corrosion reason and characteristic of blast furnace gas pipeline, DBM, cyclohexylamine, ethanolamine, propargyl alcohol, etc were chosen as composition of compound corrosion inhibitor formulations, and their corrosion inhibition performance were evaluated by weight-loss method and electrochemical method. The results showed that the yield of DBM was 93.95% when mole ratio of morpholine, di-n-butylamine and paraformaldehyde was 1:1.2:1.2 and reaction temperature was 60 °C, reaction time was 5 h. The compound corrosion inhibitor containing DBM exhibited good inhibitory effect to cathode electrochemical process to the corrosion of A3 carbon steel cathode electrochemical process and the corrosion inhibition efficiency was 98.46%.

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Periodical:

Advanced Materials Research (Volumes 1010-1012)

Pages:

626-629

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1010-1012.626

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Online since:

August 2014

Authors:

Xing Cheng, Yan Chun Huang, Xiao Ling Deng, Shu Ting Mei, Hu Zhang, Fu Rong Zhou

Keywords:

Blast Furnace Gas Pipeline, Complex, Corrosion Inhibitor, DBM, Synthesis

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