Corrosion protection of mild steel in corrosive media, a shift from synthetic to natural corrosion inhibitors: a review

Emmanuel, Jovine Kamuhabwa

doi:10.1186/s42269-024-01181-7

Bulletin of the National Research Centre

Table 1 Examples of some plant-based and synthetic inhibitors and their corresponding corrosion inhibition efficiencies

From: Corrosion protection of mild steel in corrosive media, a shift from synthetic to natural corrosion inhibitors: a review

S/N	Inhibitor name	Inhibitor category	Media	Metal	Inhibition efficiency (%)	References
1	Vicia faba peel extracts	Natural	NaCl	Carbon steel	88.67/97.84	Abdelshafeek et al. 2022
2	Chromolaena odorata leaf extract	Natural	Acidic medium	Carbon steel	84.77	Daoudi et al. 2023
3	Acacia mearnsii tannin	Natural	NaCl	Aluminium	68	Daoudi et al. 2023
4	Falcaria vulgaris leaves extract	Natural	1 M HCl	Carbon steel	91.3	Alimohammadi et al. 2023
5	Ganoderma lucidum extract	Natural	1 M HCl	Carbon steel	83.1/ 93.9	Cheng et al. 2023
6	Polyurethane	Synthetic	3.5%NaCl	Carbon steel	98	Abdel-Karim et al. 2022
7	Dracocephalum extract	Natural	0.5 M H₂SO₄	Carbon steel	94	Golshani et al. 2023
8	Dracocephalum extract	Natural	1.0 M HCl	Carbon steel	90	Golshani et al. 2023
9	Rheum ribes leaf extract	Natural	1 HCl	Carbon steel	94.9	Kaya et al. 2023a, b
10	Cucumeropsis mannii shell extract	Natural	1.0 M NaCl	Carbon steel	92.2/ 91.2	Popoola et al. 2023
11	Piper nigrum leaves extract	Natural	0.5 H₂SO₄	Carbon steel	94.2	Prasad et al. 2022a, b
12	Mimosa pudica extract	Natural	0.5 H₂SO₄	Carbon steel	92	Prasad et al. 2023
13	Pinus nigra essential oil	Matural	1 M HCl	Carbon steel	> 90	Simović et al. 2023
14	Acacia senegal gum exudates	Natural	0.5 M H₂SO₄	Carbon steel	81.6	Emmanuel and Buchweishaija 2021a, b
15	Polyamide	Synthetic	3.5%NaCl	Al–Zn alloy 7075	92	Abdel-Karim et al. 2022
16	Nitrocellulose	Synthetic	3.5%NaCl	Al–Zn alloy 7075	65	Abdel-Karim et al. 2022
17	1,3-dibutyl thiourea	Synthetic	3.5%NaCl	Al–Zn alloy 7075	95.36	Gad and El-Shamy 2022
18	benzylidene-pyridine-2-yl-amine	Synthetic	1 M HCl	Carbon steel	99.16	Ashassi-Sorkhabi et al. 2005
19	(4-benzylidene)-pyridine-2-yl-amine	Synthetic	1 M HCl	Carbon steel	99.39	Ashassi-Sorkhabi et al. 2005
20	(4-chloro-benzylidene)-pyridine-2-yl-amine	Synthetic	1 M HCl	Carbon steel	99.59	Ashassi-Sorkhabi et al. 2005
21	3,5-bis-(2-thienyl)-4-amino-1,2,4-triazoles	Synthetic	1 M HCl	Carbon steel	98.3	Bentiss et al. 1999
22	3,5-bis-(2-thienyl)-4-amino-1,2,4-triazoles	Synthetic	0.5 M H₂SO₄	Carbon steel	94.1	Bentiss et al. 1999
23	Amine-fatty acid	Synthetic	NaCl	Carbon steel	99	Buchweishaija 2002
24	1-butyl-3-methylimidazolium trifluoromethyl sulfonate	Synthetic	3.5% NaCl	Carbon steel	74.9	Abbas et al. 2022

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