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Licensed Unlicensed Requires Authentication Published by De Gruyter May 23, 2016

Plant extracts as “green” corrosion inhibitors for steel in sulphuric acid

  • Shi Mo , Hong-Qun Luo and Nian-Bing Li EMAIL logo
From the journal Chemical Papers

Abstract

In recent years, plant extracts have become the focus of corrosion inhibitor research due to their low toxicity, easy availability and economical preparation. This review presents most of the recent contributions made to the application of plant extracts as corrosion inhibitors for steel in sulphuric acid, as well as in both hydrochloric acid and sulphuric acid. The constituents, properties, adsorption modes and inhibition mechanisms of these natural products are discussed. Evaluation methods and the factors that influence the corrosion-inhibition efficiency of plant extracts are also summarised.

Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (no. 21273174) and the Municipal Natural Science Foundation of Chongqing City (no. CSTC–2013jjB00002).

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Received: 2015-10-29
Revised: 2016-1-19
Accepted: 2016-1-23
Published Online: 2016-5-23
Published in Print: 2016-9-1

© 2016 Institute of Chemistry, Slovak Academy of Sciences

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