Adsorption and Thermodynamic Studies of Carica Papaya Leaves Extract (Yellow) as Corrosion Inhibitor for Mild Steel in Acidic Medium
Journal of Materials Science Research and Reviews,
Page 1-12
Abstract
The inhibitive effects of plant leaf, Carica papaya leaves extract (yellow), CPLE (yellow) was studied on mild steel in 1.0 M HCl solution at 30oC using the gravimetric, electrochemical methods and Fourier transform infrared spectroscopy, FT-IR technique. The analysis of spectra obtained from FT-IR revealed that some functional groups present in the original spectrum were missing in the spectra of the corrosion products, an indication of interaction between the mild steel and inhibitor. The corrosion rate decreases noticeably with increase in inhibitor concentrations, that is, the inhibition efficiency (% IE) increases with increase in the inhibitor concentration. The progressive increase of the extract shows greater reduction of corrosion rate, given maximum inhibitive efficiency of 94.68% at 0.5g L-1 at 30oC. The Tafel and potentiodynamic polarization studies revealed that the CPLE (yellow) functioned as mixed-type inhibitor. The adsorption mechanism of the extract on the mild steel surface was found to obey El-Awady isotherm model. The thermodynamic evaluation deduced proposed a physisorption with the mild steel surface and spontaneous adsorption of CPLE (yellow). FT-IR was used to confirm the formation of a protective layer on the mild steel surface.
Keywords:
- Mild steel
- CPLE (yellow)
- El – Awady isotherm
- Adsorption
- Thermodynamic
How to Cite
Aluko, A. O., & Oke, G. O. (2022). Adsorption and Thermodynamic Studies of Carica Papaya Leaves Extract (Yellow) as Corrosion Inhibitor for Mild Steel in Acidic Medium. Journal of Materials Science Research and Reviews, 9(1), 1-12. Retrieved from https://journaljmsrr.com/index.php/JMSRR/article/view/30228
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Santos AM, Aquino IP, Cotting F, Aoki IV, de Melo HG, Capelossi VR. Evaluation of palm kernel cake powder (Elaeis Guineensis Jacq) as corrosion inhibitor for carbon steel in acidic media. Met Mater. Internat; 2020. Available:https://doi.org/10.1007/s12540-019-00559-x
Yuce, AO. Corrosion inhibition behaviuor of robinia pseudoacacia leaves extract as a eco-friendly inhibitor on mild steel in acidic media. Met Mater. Int 2020;26(4): 456-466. Available:https://doi.org/10.1007/s12540-019-00509-7.
Udensi SC, Ekpe OE, Nnanna LA. Newbouldia Laevis leaves extract as tenable eco-friendly corrosion inhibitor for aluminium alloy AA7075-T7351 in 1M HCl corrosive environment: gravimetric, electrochemical and thermodynamic studies. Chem. Africa; 2020. Available:https://doi.org/10.1007/s42250-020-00131-w
Saeed MT, Saleem M, Usmani S, Malik IA, Al-Shammari FA, Deen KM. Corrosion inhibition of mild steel in 1M HCl by sweet melon peel extract. J. King Saud Univ. Sci. 2019;31:1344-1351.
Al-Moghrabi RS, Abdel-Gaber AM, Rahal HT. A comparative study on the inhibitive effect of Crataegus oxyacantha and Prunus avium plant leaf extracts on the corrosion of mild steel in hydrochloric acid solution, International Journal of Industrial Chemistry. 2018;9:255-263.
Marsoul A, Ijjaali M, Elhajjaji F, Taleb M, Salim R, Boukir A. Phytochemical screening, total phenolic and flavonoid methanolic extract of pomegranate bark ( Punica granatum L): Evaluation of the inhibitory effect in acidic medium 1M HCl. Mater. Today Proc; 2020. S2214785320328170
Sedik, A, Lerari D, Salci A, Athmani , Bachari K, Gecibesler IH, Solmaz R. Dardagan Fruit extract as eco-friendly corrosion inhibitor for mild steel in 1 M HCl: Electrochemical and surface morphological studies. J. Taiwan Inst. Chem. Eng. 2020; 107:189 – 200.
Zhang W, Li H-J, Chen L, Zhang S, Ma, Y, Ye C, Zhou Y, Pang B, Wu Y–C. Fructan from Polygonatum crytonema Hua as an eco-friendly corrosion inhibitor for mild steel in HCl media. Carbohydr. Polym. 2020;238:116216.
ASTM NACE/ASTMG31-12a. Standard Guide for Laboratory Immersion Corrosion Testing of Metals, ASTM International, Wset Conshohocken, PA; 2012.
Deyab MA, Guibal E. Enhancement of Corrosion resistance of the cooling systems in desalination plants by green inhibitor. Sci Rep, 2020;10:4812.
Awe FE, Idris SO, Abdulwahab M, Oguzie EE. Theoretical and experimental inhibitive properties of mild steel in HCl by ethanolic extract of Boscia senegalensis, Cogent Chemistry, 2015;1:1-14.
Gualdron AE, Becerra EN, Pena DY, Gunerrez, JC, Becerra HQ. Inhibitory effect of Encalyptus and Lappia Alba essential oils on the corrosion of mild steel in hydrochloric acid, Mater Environ Sci. 2013;4 (1):143-158.
Emori W, Zhang RH, Okafor PC, Zhang XW, He T, Wei K, Lin X-W, Chang CR. Adsorption and Corrosion Inhibition performance of multi-phytoconstituents from Dioscorea septenloba on carbon steel in acidic media: characterization, experimental and theoretical studies. Colloids surf. Physicochem Eng. Asp. 2020;590:124534.
Anyiam CK, Ogbobe O, Oguzie EE, Madufor IC, Nwanonenyi, SC, Onuegbu, GC, Obasi HC, Chidiebere,MA. Corrosion inhibition of galvanized steel in hydrochloric acid medium by a physically modified starch. SN Appli. Sci, 2020;2: 520.
Ogunleye OO, Arinkoola AO, Elleta OA, Agbede, OO, Osho YA, Morakinyo A, Hamed JO. Green corrosion inhibition and adsorption characteristics of Luffa Cylindrica leaf extract on mild steel in hydrochloric acid environment, Heliyon, 2020;6:03205.
Nnanna I, Nnanna G, Nnakaife, J, Ekekwe N, Eti P. Aqueous extracts of Pentaclethra Macrophylla Bentham Roots as Eco-friendly Corrosion Inhibition of mild steel in 0.5M KOH medium, International Journal of Materials Chemistry. 2016;6 (1):12-18.
a. Alaneme KK, Osasona B, Okotete E, Olusegun SJ, Donatus U. Corrosion inhibition behaviour of biden pilosa extract on aluminium matrix composites in 1 HCl solution. Journal of the Association of Professional Engineers of Trinidad and Tobago. 2016a;44(2):35-42.
b. Alaneme KK, Olusegun SJ, Alo A. Corrosion inhibitory properties of elephant grass (Pennisetum purpureum) extract on mild steel corrosion in 1M HCl solution. Alexandria Engineering Journal, 2016b;1-8.
Saxena A, Prasad D, Haldhar R, Singh G, Kumar A. Use of Saraca ashoka extract as green corrosion inhibitor for mild steel in 0.5 M H2SO4. J. Mol. Liq. 2018;258:89–97.
Ansari KR, Quraishi MA. Effect of three component (aniline-formaldehyde and piperazine) polymers on mild steel in hydrochloric acid medium, J. Assoc. Arab Univ. Basic Appl. Sci. 2015;18:12-18.
Stefania M, Luisella V, Stefano PT. Green Corrosion inhibitors from Natural sources and Biomass Wastes: Review, Molecules, 2018;24(48):1-24.
Dehghani, A.;Bahlakeh, G.; Ramezanzaeh, M.(2020): Potential Role of a novel green eco-friendly inhibitor in corrosion inhibition of mild steel in HCl solution: Detailed macro/micro-scale experimental and computational explorations. Constr. Build. Mater. 2020; 245:1164-84.
Haddadi SA, Alibakhshi E, Bahlakeh G, Ramezanzadeh B, Mahdavian M. A detailed atomic level computational and electrochemical exploration of the Juglans regia green fruit shell extract as a sustainable and highly efficient green corrosion inhibitor for mild steel in 3.5wt.% NaCl solutions. J. Mol. Liq. 2019;284:682-699.
Prabhu D, Prabhu PR, Rao R. Thermodynamics, adsorption and response surface methodology investigation of the corrosion inhibition of aluminium by Terminalia chebula Ritz. Extract in H3PO4, Chemical Papers; 2020. Available:https://doi.org/10.1007/s11696-020-01318-8.
Hussein MH, Kassim, JM, Razali NN, Nasshorudin D. The effect of Tinospora crispa extracts as a natural mild steel corrosion inhibitor in 1M HCl solution. Arab J. Chem. 2016;9:S616-S624.
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