Polypodiophyta as sustainable and natural eco- friendly corrosion inhibitor of C-steel in the acidic environment: Experimental and adsorption characteristics
Ahmed, A., Molouk, A., El-Hossiany, A., Fouda, A. (2023). Polypodiophyta as sustainable and natural eco- friendly corrosion inhibitor of C-steel in the acidic environment: Experimental and adsorption characteristics. EKB Journal Management System, 61(3), 22-33. doi: 10.21608/mjcc.2023.411550
A.W. Ahmed; A.F. Molouk; A.A. El-Hossiany; A.S. Fouda. "Polypodiophyta as sustainable and natural eco- friendly corrosion inhibitor of C-steel in the acidic environment: Experimental and adsorption characteristics". EKB Journal Management System, 61, 3, 2023, 22-33. doi: 10.21608/mjcc.2023.411550
Ahmed, A., Molouk, A., El-Hossiany, A., Fouda, A. (2023). 'Polypodiophyta as sustainable and natural eco- friendly corrosion inhibitor of C-steel in the acidic environment: Experimental and adsorption characteristics', EKB Journal Management System, 61(3), pp. 22-33. doi: 10.21608/mjcc.2023.411550
Ahmed, A., Molouk, A., El-Hossiany, A., Fouda, A. Polypodiophyta as sustainable and natural eco- friendly corrosion inhibitor of C-steel in the acidic environment: Experimental and adsorption characteristics. EKB Journal Management System, 2023; 61(3): 22-33. doi: 10.21608/mjcc.2023.411550

Polypodiophyta as sustainable and natural eco- friendly corrosion inhibitor of C-steel in the acidic environment: Experimental and adsorption characteristics

Mansoura Journal of Chemistry
Volume 61, Issue 3, May 2023, Page 22-33  XML PDF (1.48 MB)
Document Type: Original Article
DOI: 10.21608/mjcc.2023.411550
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Authors
A.W. Ahmed* 1; A.F. Molouk1; A.A. El-Hossiany2; A.S. Fouda1
1Department of Chemistry, Faculty of Science, Mansoura University, Mansoura
2Delta Fertilizers Company on Talkha, Egypt; dr.ahmedselm@gmail.com.
Abstract
The corrosion protection of C-steel in 1 mol. L-1 HCl solutions utilized by environmentally eco-friendly green plant extract (Polypodiophyta) was demonstrated by experimental methods as chemical approaches and electrochemical techniques. The outputs indicate that C-steel in aqueous 1 M HCl solution may be effectively prevented from corroding by using the extract solution, with effectiveness of inhibition reaching 96.2% at higher dose of 300 mg L-1 and the higher applied temperature (55oC).   Polypodiophyta extract, which is consistent with Langmuir isotherm, was partially chemically adsorbed on the surface of the C-steel.  On the other hand, electrochemical results showed that polypodiophyta is efficient inhibitor with efficiency reached to 91 % at 300 mg L-1 at 25oC. Polarization research exhibits that the extract acts as mixed hindrances. With the extract double layer capacity reduces and charge transfer resistance rises in a solution of 1 mol. L-1 HCl. The outer part morphology of C-steel surfaces and the adsorption of hindrances on C-steel outer part can be checked by atomic force microscopy (AFM), and Fourier transform infrared spectroscopy (FTIR), the metal surface was developed a layer of adsorbed extract that shields it from acidic corrosion.
Keywords
C-steel; Corrosion inhibition; Polypodiophyta extract; EIS; PP; HCl; AFM; FTIR
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