Waste Plants as a Green inhibitor for Reinforced Concrete

Abdulsada, Shaymaa Abbas; Al-Mosawi, Ali I.; Hadi, Ali Amer A.; Saad, Karrar; Samir, Hassanein

doi:10.37591/rtcet.v7i3.21

Cited by 9 publications

(5 citation statements)

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“…Abdulrahman et al [40] has broadly discussed and illustrated the anticorrosion behaviour of Bambusa arundinacea (BA) extract for reinforced steel corrosion in concrete. It was investigated to enhance the strength of concrete polluted by chloride or sulphate environment.…”

Section: Figurementioning

confidence: 99%

Sustainable Corrosion Inhibitors for Concrete

Chugh

Singh

2021

Sustainable Corrosion Inhibitors

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Green chemistry and sustainability encourages the significance of preserving the nature and individual’s wellbeing in cost effective way that intends to avoid toxicity and reduction of wastes. Therefore, the implication of green corrosion inhibitors in the field of concrete protection has also received immense attention these days. Indeed, the usage of such inhibitors is a well-known strategy for producing high performance concrete. In view of this, the present chapter discusses the research in the area of sustainable corrosion inhibitors for concrete assurance used commercially in various industries. It also highlights the concrete corrosion mechanisms and its protective measures, recent advances in this field.

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Section: Figurementioning

confidence: 99%

Sustainable Corrosion Inhibitors for Concrete

Chugh

Singh

2021

Sustainable Corrosion Inhibitors

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“…To melt snow or stop it from building up on roads and bridges, several countries, including the United States, Canada, and Europe, use salt. Although this technology has advantages, it has a detrimental impact on steel structures because chloride ions attack steel and gradually remove the passive protective layer of steel, which causes local corrosion [12][13][14][15][16][17][18][19]. According to figure 1, an electrochemical mechanism accounts for how well steel reinforcement resists corrosion.…”

Section: Introductionmentioning

confidence: 99%

Analysis of corrosion rate, inhibition efficiency, and economic cost of XD3 reinforced concrete related to inhibitor and plasticiser types

Abdulsada

Al-Mosawi

2023

Eng. Res. Express

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The main problem in the rebar case is corrosion, which is caused by the penetration and diffusion of chloride ions into reinforced concrete structures; therefore, it is essential to give the most attention to preventing or limiting the impact of this condition. So, in order to find a practical solution to the problem of corrosion of rebar, the current article focuses on demonstrating the beneficial effects of green and calcium nitrate inhibitors on chloride-induced corrosion. Thus, this paper presented an analytical procedure based on corrosion rates and the economic cost to evaluate the efficacy of such an inhibitor. Ten samples with various concrete mixtures were divided into two groups according to the type of plasticizer and inhibitor have been immersed in an aqueous solution of 3.5 wt. % sodium chloride at room temperature for 18 months. The optimal results in which the corrosion rate was significantly reduced were for the two groups of concrete mixtures, first group was (C2) which contains 3 wt.% orange peels extract inhibitor mixed with 2.4wt.% Oxydtron as water-resisting admixture, and second group was (E2) included 3 wt.% calcium nitrate inhibitor with 2.4wt.% Oxydtron as water-resisting admixture. These two groups samples have been showed more excellent corrosion resistance against the saline solution after the completed immersion period. The inhibition efficiency analysis showed that there is a direct relationship between the inhibitor concentration and the efficiency of corrosion inhibition. However, the inhibition efficiency in case of samples containing calcium nitrate inhibitor was higher than their counterparts containing green inhibitor extract. Finally, the economic cost analysis showed that, the cost of the green inhibitor extract-containing samples was lower than that of the calcium nitrate inhibitor-containing samples.

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“…Using such substances will significantly reduce the amount of waste and the environmental burden. Thus, the successful use of 5% Platanus acerifolia leaf extract [15] and 1 -3% Rice husk extract was described [16]. The authors [17] assessed the anti-corrosive effect of Olea europaea leaf extract with a protection degree of up to 92% in aqueous model solutions.…”

Section: Introductionmentioning

confidence: 99%

Coconut dust extract as a pitting corrosion inhibitor for reinforcing steel in concrete in the presence of chlorides

Cao,

Shevtsov,

Zartsyn

et al. 2023

Preprint

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This study aimed to evaluate the inhibitory effect of coconut dust extract on the pitting corrosion of reinforcing steel in concrete via potentiodynamic polarization (PDP), electrochemical impedance spectroscopy (EIS), and weight loss measurements. Different solvents (water, ethanol, methanol, and acetone) were used for the extraction of coconut dust, in which water indicated the most efficiency due to the highest of flavonoids, tannins, polyphenols, saponins, phlobatannins, and anthraquinones contents. Then, the obtained coconut dust extract was tested in two cases: (i) mixing with a water extract obtained from concrete with the addition of 3% NaCl and (ii) adding to the mortar-making process before immersing it in a 3% NaCl solution. In the first case, the highest protection degrees of ~95% (from PDP), ~99% (from EIS), and ~89% (from weight loss) were obtained using the inhibitor concentration of 1.5 g·L–1. In the second case, the protection degree was increased at inhibitor concentrations of ≥ 0.5 g·L–1. The highest protection degree is ~95% (from weight loss) and ~97% (from PDP) at a concentration of 2.0 g·L–1. The findings indicated the high potential of coconut dust extract as a green corrosion inhibitor for the corrosion of reinforcing steel in concrete in the presence of chlorides.

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Waste Plants as a Green inhibitor for Reinforced Concrete

Cited by 9 publications

References 0 publications

Sustainable Corrosion Inhibitors for Concrete

Sustainable Corrosion Inhibitors for Concrete

Analysis of corrosion rate, inhibition efficiency, and economic cost of XD3 reinforced concrete related to inhibitor and plasticiser types

Coconut dust extract as a pitting corrosion inhibitor for reinforcing steel in concrete in the presence of chlorides

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