Effect of anions on the corrosion of aluminium in sodium

Awad, S. A.; Kamel, Kh.M.; Kassab, A.

doi:10.1016/s0022-0728(81)80479-2

Cited by 10 publications

(2 citation statements)

References 5 publications

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“…Although synthetic polymers [3,4,5,6], organic [7,8,9,10,11,12] and inorganic compounds [13,14] were applied as inhibitors to reduce the dissolution of Al in alkaline media, little attention has been focused on application of natural polymers as dissolution inhibitors in alkaline medium [15]. Hassan and co-workers investigated the corrosion inhibition of Al in NaOH by water-soluble alginates and pectates [16] as natural polymers carrying secondary alcoholic groups.…”

Section: Introductionmentioning

confidence: 99%

Kinetics of Corrosion Inhibition of Aluminum in Acidic Media by Water-Soluble Natural Polymeric Pectates as Anionic Polyelectrolyte Inhibitors

Hassan

Zaafarany

2013

Materials

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Corrosion inhibition of aluminum (Al) in hydrochloric acid by anionic polyeletrolyte pectates (PEC) as a water-soluble natural polymer polysaccharide has been studied using both gasometric and weight loss techniques. The results drawn from these two techniques are comparable and exhibit negligible differences. The inhibition efficiency was found to increase with increasing inhibitor concentration and decrease with increasing temperature. The inhibition action of PEC on Al metal surface was found to obey the Freundlich isotherm. Factors such as the concentration and geometrical structure of the inhibitor, concentration of the corrosive medium, and temperature affecting the corrosion rates were examined. The kinetic parameters were evaluated and a suitable corrosion mechanism consistent with the kinetic results is discussed in the paper.

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Section: Introductionmentioning

confidence: 99%

Kinetics of Corrosion Inhibition of Aluminum in Acidic Media by Water-Soluble Natural Polymeric Pectates as Anionic Polyelectrolyte Inhibitors

Hassan

Zaafarany

2013

Materials

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“…However, the influence of inhibitors has been the subject of numerous investigators; the corrosion mechanisms as well as the role of inhibitors are not completely explained. Although many organic [1][2][3][4][5][6][7], inorganic [8,9] and synthesized polymeric [10,11] compounds were applied as inhibitors for reducing the aluminum corrosion in alkaline media, little attention has been focused for applying natural polymers as inhibitors [12]. Indeed, sulfated carrageenan [13,14] and carboxymethyl cellulose [15,16] as natural polymers as well as polyacrylic acid [17] as a synthetic polymer have been successfully used as inhibitors for corrosion of iron in acidic media.…”

Section: Introductionmentioning

confidence: 99%

Corrosion Inhibition of Aluminum in Aqueous Alkaline Solutions by Alginate and Pectate Water-Soluble Natural Polymer Anionic Polyelectrolytes

Zaafarany

2012

Port. Electrochim. Acta

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The influence of water-soluble alginates (Alg) and pectates (Pect) anionic polyelectrolytes as natural polymers containing secondary alcoholic groups on the rate of dissolution of aluminum metal in alkaline medium has been investigated by gasometric and weight-loss techniques. The results showed that addition of alginates or pectates to the tested solutions leads to a remarkable decrease in the corrosion rate of Al in NaOH. The magnitude of inhibition efficiency was found to be larger in case of pectates. Factors affecting the corrosion process such as the concentration of the inhibitor and the corrosion medium, structure of the inhibitor and temperature have been examined. The kinetic parameters of corrosion have been evaluated and a suitable mechanism for the inhibition is discussed.

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Green Polymeric Inhibitors for Corrosion of Metals in Alkaline Media

Hassan¹

2022

Polymeric Corrosion Inhibitors for Greening the Chemical and Petrochemical Industry

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Effect of anions on the corrosion of aluminium in sodium

Cited by 10 publications

References 5 publications

Kinetics of Corrosion Inhibition of Aluminum in Acidic Media by Water-Soluble Natural Polymeric Pectates as Anionic Polyelectrolyte Inhibitors

Kinetics of Corrosion Inhibition of Aluminum in Acidic Media by Water-Soluble Natural Polymeric Pectates as Anionic Polyelectrolyte Inhibitors

Corrosion Inhibition of Aluminum in Aqueous Alkaline Solutions by Alginate and Pectate Water-Soluble Natural Polymer Anionic Polyelectrolytes

Green Polymeric Inhibitors for Corrosion of Metals in Alkaline Media

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