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Study on Synthesis of Alkynoxymethyl Benzyl Quaternary Ammonium Salt and its Corrosion Inhibition for Blast Furnace Gas Pipeline

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Abstract:

Two kinds of alkynoxymethyl benzyl quaternary ammonium salt (ABQAS) were synthesized by raw materials of paraformaldehyde, propiolic alcohol, organic amine, benzyl chloride and ethanol under nitrogen protection, toluene as carrying agent. The products were characterized by FTIR. According to the characteristics of blast furnace gas pipeline, quaternary ammonium salt type compound corrosion inhibitor formulas were designed, and their corrosion inhibition performance were evaluated by weight-loss method and electrochemical method. The results showed that the products were synthesized as expected, the two kinds of products had excellent inhibition performance to the cathode electrochemical process of A3 carbon steel, and the corrosion inhibition efficiency in simulative blast furnace gas reached to 100%.

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Periodical:

Applied Mechanics and Materials (Volumes 672-674)

Pages:

684-687

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.672-674.684

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Cite this paper

Online since:

October 2014

Authors:

Hu Zhang, Fu Rong Zhou*

Keywords:

Blast Furnace Gas Pipeline, Corrosion Protection, Quaternary Ammonium Salt, Synthesis

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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