Synthesis and Evaluation of New Poly Cationic Surfactants as Corrosion Inhibitors for Carbon Steel in Formation Water
El-Tabey, A., Bedir, A., Khamis, E., Abd-El-Raouf, M., Zahran, F., Yousef, M., Al-Sabbagh, A. (2020). Synthesis and Evaluation of New Poly Cationic Surfactants as Corrosion Inhibitors for Carbon Steel in Formation Water. EKB Journal Management System, 63(3), 833-850. doi: 10.21608/ejchem.2019.11344.1730
Amira E. El-Tabey; Ahmed G. Bedir; E. A. Khamis; M. Abd-El-Raouf; Fouad Zahran; M. Adel Yousef; A. M. Al-Sabbagh. "Synthesis and Evaluation of New Poly Cationic Surfactants as Corrosion Inhibitors for Carbon Steel in Formation Water". EKB Journal Management System, 63, 3, 2020, 833-850. doi: 10.21608/ejchem.2019.11344.1730
El-Tabey, A., Bedir, A., Khamis, E., Abd-El-Raouf, M., Zahran, F., Yousef, M., Al-Sabbagh, A. (2020). 'Synthesis and Evaluation of New Poly Cationic Surfactants as Corrosion Inhibitors for Carbon Steel in Formation Water', EKB Journal Management System, 63(3), pp. 833-850. doi: 10.21608/ejchem.2019.11344.1730
El-Tabey, A., Bedir, A., Khamis, E., Abd-El-Raouf, M., Zahran, F., Yousef, M., Al-Sabbagh, A. Synthesis and Evaluation of New Poly Cationic Surfactants as Corrosion Inhibitors for Carbon Steel in Formation Water. EKB Journal Management System, 2020; 63(3): 833-850. doi: 10.21608/ejchem.2019.11344.1730

Synthesis and Evaluation of New Poly Cationic Surfactants as Corrosion Inhibitors for Carbon Steel in Formation Water

Egyptian Journal of Chemistry
Article 72, Volume 63, Issue 3, March 2020, Page 833-850  XML PDF (3.5 MB)
Document Type: Original Article
DOI: 10.21608/ejchem.2019.11344.1730
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Authors
Amira E. El-Tabey1; Ahmed G. Bedir email orcid 1; E. A. Khamis1; M. Abd-El-Raouf1; Fouad Zahran2, 3; M. Adel Yousef2; A. M. Al-Sabbagh1
1Egyptian Petroleum Research Institute (EPRI), Nasr City, Cairo, Egypt
2Helwan University, Faculty of Science, Helwan, Cairo, Egypt
3Helwan Nanotechnology Center, Helwan University, 11795, Helwan, Cairo, Egypt
Abstract
TWO new polycationic surfactants abbreviated as (PTEAA.10 and PTEAA.12) were prepared by homopolymerization of triethanolamine acrylate monomer followed by quaternization with 1-bromodecane and 1-bromododecane. FT-IR, 1H-13CNMR, and GPC have been used to confirm the chemical structure of the prepared surfactants.
The prepared polycationic surfactants have been tested as corrosion inhibitors for carbon steel X65 in formation water. Weight loss, electrochemical impedance spectroscopy (EIS), and potentiodynamic polarization accompanied by SEM and EDX techniques were used to study the inhibition performance of PTEAA.10 and PTEAA.12. The prepared polymeric cationic surfactants act as mixed type inhibitors according to Tafel data. The inhibition efficiency of PTEAA.12 at 250 ppm was 92.8 %. The inhibition action was attributed to the formation of the adsorbed layer of surfactants over X65 surface that was follow Langmuir adsorption isotherm. The resistance of the adsorbed layer (Rct) was a function in concentration and hydrophobicity of the surfactants.
Keywords
Corrosion inhibitor; EIS; Formation water; Langmuir adsorption isotherm; Poly cationic surfactant; SEM; Tafel
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