Synthesis of novel N-substituted tetrabromophthalic as corrosion inhibitor and its inhibition of microbial influenced corrosion in cooling water system
Abstract This study investigates the efficacy of newly synthesized inhibitor with a dual function of corrosion inhibition and biocide for control of microbial influenced corrosion (MIC) in carbon steel API 5LX in the cooling tower water (CTW) environment. Four types of N-substituted tetrabromophthal...
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Nature Portfolio
2024-10-01
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| author | Krishnan Vignesh Sankar Sujithra Murugesan Vajjiravel Jayaraman Narenkumar Bhaskar Das Mohamad S. AlSalhi Sandhanasamy Devanesan Aruliah Rajasekar Tabarak Malik |
| author_facet | Krishnan Vignesh Sankar Sujithra Murugesan Vajjiravel Jayaraman Narenkumar Bhaskar Das Mohamad S. AlSalhi Sandhanasamy Devanesan Aruliah Rajasekar Tabarak Malik |
| author_sort | Krishnan Vignesh |
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| description | Abstract This study investigates the efficacy of newly synthesized inhibitor with a dual function of corrosion inhibition and biocide for control of microbial influenced corrosion (MIC) in carbon steel API 5LX in the cooling tower water (CTW) environment. Four types of N-substituted tetrabromophthalic inhibitor (N-TBI) were synthesized, and the structural characterization was performed via proton nuclear magnetic resonance spectroscopy, thermogravimetric analysis and high-resolution mass spectrometry. These studies revealed the distinctive optical, thermal, and dielectric properties of the synthesized inhibitors. The corrosion inhibition efficiency has been evaluated by the weight loss (WL) analysis and electrochemical measurements (ECM) and biofilm assay. Biofilm assays and WL showed that inhibitor II exhibited the highest inhibition efficiency 74% and 79% respectively than others. Further ECM showed that the higher charge transfer resistance and the lower corrosion current, suggesting a protective film formed on the metal surface which was due to the adsorption of the N-TBI. Fourier transform infrared spectroscopy confirmed the adsorption of the N-TBI as C–O stretching and C–H bending with the Fe complex. X-ray diffractometer revealed that the presence of inhibitors in the corrosion product (Fe3O4, Fe2O3, FeH2O2, FeS) were highly reduced than the control system. Overall, this study highlighted the potential application of N-TBI with dual function of corrosion inhibition and biocide to control the MIC for carbon steel API 5LX used in the CTW environment. |
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| issn | 2045-2322 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-92f1367da2f246b08df8472e750caab52025-08-20T02:11:26ZengNature PortfolioScientific Reports2045-23222024-10-0114111810.1038/s41598-024-76254-8Synthesis of novel N-substituted tetrabromophthalic as corrosion inhibitor and its inhibition of microbial influenced corrosion in cooling water systemKrishnan Vignesh0Sankar Sujithra1Murugesan Vajjiravel2Jayaraman Narenkumar3Bhaskar Das4Mohamad S. AlSalhi5Sandhanasamy Devanesan6Aruliah Rajasekar7Tabarak Malik8Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar UniversityDepartment of Chemistry, School of Physical and Chemical Sciences, B S Abdur Rahman Crescent Institute of Science and TechnologyDepartment of Chemistry, School of Physical and Chemical Sciences, B S Abdur Rahman Crescent Institute of Science and TechnologyDepartment of Environmental and Water Resources Engineering, School of Civil Engineering, Vellore Institute of TechnologyDepartment of Environmental and Water Resources Engineering, School of Civil Engineering, Vellore Institute of TechnologyDepartment of Physics and Astronomy, College of Science, King Saud UniversityDepartment of Physics and Astronomy, College of Science, King Saud UniversityEnvironmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar UniversityDepartment of Biomedical Sciences, Institute of Health, Jimma UniversityAbstract This study investigates the efficacy of newly synthesized inhibitor with a dual function of corrosion inhibition and biocide for control of microbial influenced corrosion (MIC) in carbon steel API 5LX in the cooling tower water (CTW) environment. Four types of N-substituted tetrabromophthalic inhibitor (N-TBI) were synthesized, and the structural characterization was performed via proton nuclear magnetic resonance spectroscopy, thermogravimetric analysis and high-resolution mass spectrometry. These studies revealed the distinctive optical, thermal, and dielectric properties of the synthesized inhibitors. The corrosion inhibition efficiency has been evaluated by the weight loss (WL) analysis and electrochemical measurements (ECM) and biofilm assay. Biofilm assays and WL showed that inhibitor II exhibited the highest inhibition efficiency 74% and 79% respectively than others. Further ECM showed that the higher charge transfer resistance and the lower corrosion current, suggesting a protective film formed on the metal surface which was due to the adsorption of the N-TBI. Fourier transform infrared spectroscopy confirmed the adsorption of the N-TBI as C–O stretching and C–H bending with the Fe complex. X-ray diffractometer revealed that the presence of inhibitors in the corrosion product (Fe3O4, Fe2O3, FeH2O2, FeS) were highly reduced than the control system. Overall, this study highlighted the potential application of N-TBI with dual function of corrosion inhibition and biocide to control the MIC for carbon steel API 5LX used in the CTW environment.https://doi.org/10.1038/s41598-024-76254-8Corrosion inhibitorMicrobial influenced corrosionCarbon steel API 5LXElectrochemical analysis |
| spellingShingle | Krishnan Vignesh Sankar Sujithra Murugesan Vajjiravel Jayaraman Narenkumar Bhaskar Das Mohamad S. AlSalhi Sandhanasamy Devanesan Aruliah Rajasekar Tabarak Malik Synthesis of novel N-substituted tetrabromophthalic as corrosion inhibitor and its inhibition of microbial influenced corrosion in cooling water system Scientific Reports Corrosion inhibitor Microbial influenced corrosion Carbon steel API 5LX Electrochemical analysis |
| title | Synthesis of novel N-substituted tetrabromophthalic as corrosion inhibitor and its inhibition of microbial influenced corrosion in cooling water system |
| title_full | Synthesis of novel N-substituted tetrabromophthalic as corrosion inhibitor and its inhibition of microbial influenced corrosion in cooling water system |
| title_fullStr | Synthesis of novel N-substituted tetrabromophthalic as corrosion inhibitor and its inhibition of microbial influenced corrosion in cooling water system |
| title_full_unstemmed | Synthesis of novel N-substituted tetrabromophthalic as corrosion inhibitor and its inhibition of microbial influenced corrosion in cooling water system |
| title_short | Synthesis of novel N-substituted tetrabromophthalic as corrosion inhibitor and its inhibition of microbial influenced corrosion in cooling water system |
| title_sort | synthesis of novel n substituted tetrabromophthalic as corrosion inhibitor and its inhibition of microbial influenced corrosion in cooling water system |
| topic | Corrosion inhibitor Microbial influenced corrosion Carbon steel API 5LX Electrochemical analysis |
| url | https://doi.org/10.1038/s41598-024-76254-8 |
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