Synergistic mixture of Parthenium hysterophorus L. extract and potassium iodide as a novel efficient composite inhibitor on steel corrosion in sulfuric acid
The extract of Parthenium hysterophorus L. (PHLE), derived from the invasive weed, contains flavonoids, phenylpropanoids, alkaloids, and amino acids. Weight loss tests demonstrated that PHLE moderately inhibited corrosion of cold rolled steel (CRS) in 0.50 M H2SO4, with a maximum efficiency of 74.45...
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Elsevier
2025-01-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424029818 |
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| author | Hao Wu Shuduan Deng Dandan Shao Gaofei Wei Juan Xu Xianghong Li |
| author_facet | Hao Wu Shuduan Deng Dandan Shao Gaofei Wei Juan Xu Xianghong Li |
| author_sort | Hao Wu |
| collection | DOAJ |
| description | The extract of Parthenium hysterophorus L. (PHLE), derived from the invasive weed, contains flavonoids, phenylpropanoids, alkaloids, and amino acids. Weight loss tests demonstrated that PHLE moderately inhibited corrosion of cold rolled steel (CRS) in 0.50 M H2SO4, with a maximum efficiency of 74.45%. The inhibition efficiency increased to 91.51% with the addition of a small amount of KI (10 mg L−1). The adsorption of PHLE and PHLE/KI followed Langmuir isotherm, and the electrochemical mechanism suggested that PHLE/KI acted as a mixed-type inhibitor with geometric blocking effects. Nyquist plots showed a large capacitive loop and increased charge transfer resistance for PHLE/KI. Surface analysis indicated reduced surface roughness and increased hydrophobicity with PHLE/KI. Elemental analysis revealed that PHLE compounds adsorbed on the CRS surface via physisorption and chemisorption, driven by conjugated structures and N and O atoms. Quantum chemical and molecular dynamics simulations confirmed that PHLE's components can effectively protect CRS through coordination and feedback bonds. The addition of trace KI enhanced the inhibition effect, offering significant potential for cost-effective plant-based inhibitors. |
| format | Article |
| id | doaj-art-c49c2409313c49eeb96c61cfe6b51a23 |
| institution | Kabale University |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-c49c2409313c49eeb96c61cfe6b51a232025-01-19T06:25:44ZengElsevierJournal of Materials Research and Technology2238-78542025-01-013417041720Synergistic mixture of Parthenium hysterophorus L. extract and potassium iodide as a novel efficient composite inhibitor on steel corrosion in sulfuric acidHao Wu0Shuduan Deng1Dandan Shao2Gaofei Wei3Juan Xu4Xianghong Li5Key Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Kunming, 650224, PR China; College of Materials and Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR ChinaKey Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Kunming, 650224, PR China; College of Materials and Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR ChinaKey Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Kunming, 650224, PR China; College of Materials and Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China; Corresponding author. College of Materials and Chemical Engineering, Southwest Forestry University, Kunming , 650224, PR China.Key Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Kunming, 650224, PR China; College of Materials and Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR ChinaKey Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Kunming, 650224, PR China; College of Materials and Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR ChinaKey Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Kunming, 650224, PR China; College of Materials and Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China; Corresponding author. College of Materials and Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China.The extract of Parthenium hysterophorus L. (PHLE), derived from the invasive weed, contains flavonoids, phenylpropanoids, alkaloids, and amino acids. Weight loss tests demonstrated that PHLE moderately inhibited corrosion of cold rolled steel (CRS) in 0.50 M H2SO4, with a maximum efficiency of 74.45%. The inhibition efficiency increased to 91.51% with the addition of a small amount of KI (10 mg L−1). The adsorption of PHLE and PHLE/KI followed Langmuir isotherm, and the electrochemical mechanism suggested that PHLE/KI acted as a mixed-type inhibitor with geometric blocking effects. Nyquist plots showed a large capacitive loop and increased charge transfer resistance for PHLE/KI. Surface analysis indicated reduced surface roughness and increased hydrophobicity with PHLE/KI. Elemental analysis revealed that PHLE compounds adsorbed on the CRS surface via physisorption and chemisorption, driven by conjugated structures and N and O atoms. Quantum chemical and molecular dynamics simulations confirmed that PHLE's components can effectively protect CRS through coordination and feedback bonds. The addition of trace KI enhanced the inhibition effect, offering significant potential for cost-effective plant-based inhibitors.http://www.sciencedirect.com/science/article/pii/S2238785424029818Parthenium hysterophorus L. extractSynergistic inhibition effectQuantum chemicalMolecular dynamics simulation |
| spellingShingle | Hao Wu Shuduan Deng Dandan Shao Gaofei Wei Juan Xu Xianghong Li Synergistic mixture of Parthenium hysterophorus L. extract and potassium iodide as a novel efficient composite inhibitor on steel corrosion in sulfuric acid Journal of Materials Research and Technology Parthenium hysterophorus L. extract Synergistic inhibition effect Quantum chemical Molecular dynamics simulation |
| title | Synergistic mixture of Parthenium hysterophorus L. extract and potassium iodide as a novel efficient composite inhibitor on steel corrosion in sulfuric acid |
| title_full | Synergistic mixture of Parthenium hysterophorus L. extract and potassium iodide as a novel efficient composite inhibitor on steel corrosion in sulfuric acid |
| title_fullStr | Synergistic mixture of Parthenium hysterophorus L. extract and potassium iodide as a novel efficient composite inhibitor on steel corrosion in sulfuric acid |
| title_full_unstemmed | Synergistic mixture of Parthenium hysterophorus L. extract and potassium iodide as a novel efficient composite inhibitor on steel corrosion in sulfuric acid |
| title_short | Synergistic mixture of Parthenium hysterophorus L. extract and potassium iodide as a novel efficient composite inhibitor on steel corrosion in sulfuric acid |
| title_sort | synergistic mixture of parthenium hysterophorus l extract and potassium iodide as a novel efficient composite inhibitor on steel corrosion in sulfuric acid |
| topic | Parthenium hysterophorus L. extract Synergistic inhibition effect Quantum chemical Molecular dynamics simulation |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424029818 |
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