Macrolepiota-mediated synthesized silver nanoparticles as a green corrosive inhibitor for mild steel in re-circulating cooling water system.

Parameswaran Sujatha Preethi, Muthukumar Suganya, Jayaraman Narenkumar, Mohamad S AlSalhi, Sandhanasamy Devanesan, Ayyakkkannu Usha Raja Nanthini, Seralathan Kamalakannan, Aruliah Rajasekar

Journal: Bioprocess and biosystems engineering 2022;45(3):493-501

PMID: 34981182

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Abstract

A simple, cost effective and eco-friendly silver nanoparticle (AgNPs) was synthesized by wild edible Macrolepiota mushroom. Nanoparticles were characterized by UV-visible, FTIR, XRD analysis and TEM analysis. The characterized studies confirmed the spherical shape of AgNPs with 20-50 nm size. Biocorrosion efficacy of myco-synthesized AgNPs and the mushroom extract were tested against mild steel by corrosive bacteria Bacillus thuringiensis EN2, Terribacillus aidingensis EN3 and Bacillus oleronius EN9. Weight loss analysis, EIS, and surface analysis were used to evaluate the corrosion inhibition efficiency of mild steel in various experimental systems. Reduced corrosion rate (0.07 mm/y, 0.14 mm/y), reduced weight loss (0.006 ± 2, 0.011 ± 2) and increased corrosion inhibition efficiency (59%, 18%) were identified in both system II and system IV. Peak intensity was reduced in both surface analysis studies (FTIR and XRD) in the presence of mushroom extract and AgNPs. EIS studies reveal that the mushroom extract and AgNPs act as a corrosive green inhibitor and adsorbs on the mild steel surfaces in cooling water tower system, which are responsible for corrosion protection.

Address: Department of Biotechnology, Mother Teresa Women's University, Kodaikanal, 624101, Tamil Nadu, India.; Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore, 632115, India.; Centre for Materials Engineering and Regenerative Medicine, Bharath Institute of Higher Education and Research, Selaiyur, Chennai, 600073, Tamil Nadu, India.; Department of Physics and Astronomy, College of Science, King Saud University, Riyadh KSA, P.O. Box -2455, Riyadh, 11451, Kingdom of Saudi Arabia. [email protected].; Department of Physics and Astronomy, College of Science, King Saud University, Riyadh KSA, P.O. Box -2455, Riyadh, 11451, Kingdom of Saudi Arabia.; Department of Biotechnology, Mother Teresa Women's University, Kodaikanal, 624101, Tamil Nadu, India. [email protected].; Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan, 54596, South Korea.; Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore, 632115, India. [email protected].

DOI: 10.1007/s00449-021-02673-w

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https://dx.doi.org/10.1007/s00449-021-02673-w

MeSH Terms: Agaricales, Caustics, Metal Nanoparticles, Plant Extracts, Silver, Steel, Water