Phytochemicals as steel corrosion inhibitor: an insight into mechanism-Reference-Cited by-同舟云学术

Phytochemicals as steel corrosion inhibitor: an insight into mechanism

Published:2021-01-05 Issue:1 Volume:39 Page:27-41
ISSN:2191-0316
Container-title:Corrosion Reviews
language:en
Short-container-title:

Author:

Bhardwaj Nishant¹,Sharma Pooja²,Kumar Vineet²^ORCID

Affiliation:

1. Department of Chemistry , Lovely Professional University , Phagwara , Punjab - 144411 , India

2. Department of Biotechnology , School of Bioengineering and Biosciences, Faculty of Sciences and Technology, Lovely Professional University , Phagwara , Punjab - 144411 , India

Abstract

Abstract Corrosion is a spontaneous process that adversely affects strength and quality of economically vital materials including steel. Plant extracts are emerging as renewable, low cost and eco-friendly alternate to existing toxic chemical corrosion inhibitors. Physisorption, Chemisorption and retrodonation are the main mechanism of corrosion inhibition by plant extracts. Different functional groups of phytochemicals namely carbohydrate, lipids, terpenoids, phenolic acids, alkaloids and other nitrogen containing metabolites participate in physisorption, chemisorption and retrodonation with steel surface in presence of HCl and H2SO4 to act as corrosion inhibitors. Exact mechanism of inhibition depends upon presence of such phytochemical in the plant extracts.

Publisher

Walter de Gruyter GmbH

Subject

General Materials Science,General Chemical Engineering,General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/corrrev-2020-0046/pdf

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