Green synthesis and anticorrosion effect of Allium cepa peels extract-silver nanoparticles composite in simulated oilfield pickling solution

SN Applied Sciences

Onyewuchi Akaranta¹  Lin Yuanhua²  Ambrish Singh²  Ekemini Ituen² 

[1] African Center of Excellence in Oilfield Chemicals Research, Institute of Petroleum Studies, University of Port Harcourt;State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University;

关键词: Anticorrosion;    Nanoparticles;    Oilfield chemical;    XRD;    TEM;    SEM/EDS;   

DOI  :  10.1007/s42452-021-04670-w

来源: DOAJ

【 摘 要 】

Abstract An alternative green approach through which nanoscience/nanotechnology could be applied in the industry is being demonstrated in this study. Ethanol extracts of Allium cepa peels (Et-ACPE) is used to mediate the synthesis of silver nanoparticles (Et-AgNPs) at room temperature. Stable crystalline, monodisperse and non-agglomerated spherical NPs with zeta potential of −46.2 ± 0.1 mV and plasmon absorption at 435 nm are obtained. Silver atoms are predominantly oriented towards the Ag (111) plane in a face centered cubic structure with a = b = c = 4.0968 Å having $$\alpha = \beta = \gamma = 90^\circ$$ α = β = γ = 90 ∘ . The surfaces of the NPs becomes rich in electron cloud due to O atoms supplied by capped phyto-compounds of Et-ACPE. This enhances adsorption potential and more efficient inhibition (up to 90% at 30 °C) of X80 steel corrosion in 1 M HCl solution than using the crude extract. Investigation of corrosion products and morphologies of the steel surface by FTIR, SEM/EDS and AFM techniques reveals efficient surface protection through adsorption of Et-AgNPs facilitated mainly by O and –C = C– sites. Findings prove that the Et-AgNPs is a more efficient and thermally stable alternative ecofriendly anticorrosion additive for industrial cleaning and pickling operations than the crude extract.

【 授权许可】

Unknown