Amino acids and their derivatives as corrosion inhibitors for metals and alloys

Ibrahimi, Brahim El; Jmiai, A.; Bazzi, L.; Issami, S. El

doi:10.1016/j.arabjc.2017.07.013

Cited by 260 publications

(101 citation statements)

References 179 publications

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“…Many "green" substances were tested as corrosion inhibitors. Ibrahimi et al in their review analysed amino acids as corrosion inhibitors [14]. e main mechanism, similar to scale inhibition, was adsorption of inhibitor molecules on the metal surface and formation of the surface film that prevent oxygen ingress.…”

Section: Introductionmentioning

confidence: 99%

Raphanus sativus L. Extract as a Scale and Corrosion Inhibitor for Mild Steel in Tap Water

Vasyliev

Vorobyova

Zhuk

2020

Journal of Chemistry

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The Raphanus sativus L. ethanol extract was prepared by radish cake maceration in ethanol end tested as a scale and corrosion inhibitor of mild steel in tap water. Antiscalant efficiency was tested with electrochemical and thermal scaling techniques, and changes in hardness content were determined titrimetrically. No deposits were found on the metal surface at the extract concentration of 10 mL/L in chronoamperometry test, and scaling suppression was established 5 times in thermal scaling conditions. The linear polarization resistance technique was used to determine corrosion rate. Inhibition efficiency was found to be 75% in thermal scaling conditions. The formation of the surface film was responsible for both scaling and corrosion suppression on mild steel surface as was established with FT-IR spectroscopy and SEM. The surface film was found to contain polymerization products of isothiocyanates.

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Section: Introductionmentioning

confidence: 99%

Raphanus sativus L. Extract as a Scale and Corrosion Inhibitor for Mild Steel in Tap Water

Vasyliev

Vorobyova

Zhuk

2020

Journal of Chemistry

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“…Pada spesimen besi normal korosi akan mudah terjadi dikarenakan adanya reaksi pada besi dengan medium korosi. Bio inhibitor korosi membuat lapisan pelindung pada besi, dan pada proses inhibisi lapisan bio inhibitor korosi akan menghambat kontak langsung kepada besi yang terlapisi (Ibrahimi, 2017). Ilustrasi proses inhibisi korosi dapat terlihat pada Gambar 1.…”

Section: Hasil Dan Pembahasanunclassified

Uji Kemampuan Tanin Daun Ketapang Sebagai Inhibisi Korosi Pada Baja Mild Steel Dalam Pipeline

2019

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AbstrakPemanfaatan tanin sebagai material coating diharapkan jadi alternatif yang lebih aman bagi lingkungan. Tanin diperoleh menggunakan metode ekstraksi ultrasonik dengan pelarut etanol 95% dan dihasilkan rendemen tanin sebesar 4,85 %. Sintesis bio-inhibitor dari waterglass dan tanin hasil ekstraksi daun ketapang dapat digunakan sebagai material alternatif inhibitor korosi pada pipeline. Pembuatan material coating tersebut dengan cara memadukan silika yang berasal dari waterglass dan tanin dari daun ketapang, kemudian dilakukan pengaliran medium korosi pada pipa besi. Komposisi silika dengan tanin daun ketapang yang digunakan yaitu 50:50 dengan konsentrasi waterglass 50%. Hasil penelitian ini menunjukkan pengaruh formula coating tanin dan waterglass pada material coating menyebabkan laju korosi semakin kecil, yaitu sebesar 171,77460 mmpy. AbstractTannins is expected to be a more eco-friendly coating materials. Ultrasonic extraction using 95% ethanol solvent resulted in tannin yield of 4.85%. Alternative corrosion inhibitors in pipelines was synthesized from silica and tannin. Silica was retrieved from waterglass and tannin was retrieved from ketapang leaves extraction, then flowing the corrosion medium on the iron pipe. The composition of silica with tannin from ketapang leaves used is 50:50 with a waterglass concentration of 50%. The results showed that tannin and waterglass coating produced smaller corrosion rate, which is 171,77460 mmpy.

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“…Amino acids are considered as green corrosion inhibitors because they are nontoxic, biodegradable, inexpensive, soluble in aqueous media, and easy to produce at high purity. The presence of heteroatoms, such as N, O, and S and conjugated π-electrons system have made amino acids a significant class of green corrosion inhibitors thanks to their environmental aspect [60,61]. El-Sayed investigated the anti-corrosive effect of some amino acids, such as glycine, valine, leucine, cysteine, methionine, histidine, threonine, phenylalanine, lysine, proline, aspartic acid, arginine, and glutamic acid on carbon steel in stagnant naturally aerated chloride solutions using PP and EIS techniques.…”

Section: Amino Acidsmentioning

confidence: 99%

Green Corrosion Inhibitors

Goni¹,

Mazumder²

2019

Corrosion Inhibitors

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Corrosion is an unavoidable fact in everyday life but always receive attention to control due to its technical, economical, and esthetical importance. Corrosion inhibitors are one of the most widely used and economically viable methods protecting metals and alloys against corrosion. Typical corrosion inhibitors are bio-toxic organic compounds, which have serious issue on toxicity. Considering the toxicity of the inhibitors, there is a tremendous interest in searching for an eco-friendly, and non-toxic green corrosion inhibitor. This chapter briefly discusses the importance and different methods of corrosion inhibitors with a particular emphasis given to the discussion on the different characteristic feature of the green corrosion inhibitors reported in the literature as a comparative view of organic inhibitors.

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Amino acids and their derivatives as corrosion inhibitors for metals and alloys

Cited by 260 publications

References 179 publications

Raphanus sativus L. Extract as a Scale and Corrosion Inhibitor for Mild Steel in Tap Water

Raphanus sativus L. Extract as a Scale and Corrosion Inhibitor for Mild Steel in Tap Water

Uji Kemampuan Tanin Daun Ketapang Sebagai Inhibisi Korosi Pada Baja Mild Steel Dalam Pipeline

Green Corrosion Inhibitors

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