Utilization of 1-butylpyrrolidinium Chloride Ionic Liquid as an Eco-friendly Corrosion Inhibitor and Biocide for Oilfield Equipment: Combined Weight Loss, Electrochemical and SEM Studies

被引:42
作者
Abbas, Mohamed A. [1 ]
Zakaria, Khaled [2 ]
El-Shamy, Ashraf M. [3 ]
El Abedin, Sherif Zein [3 ]
机构
[1] Egyptian Petr Res Inst, Petr Applicat Dept, PB 11727, Cairo, Egypt
[2] Egyptian Petr Res Inst, Anal & Evaluat Dept, PB 11727, Cairo, Egypt
[3] Natl Res Ctr, Phys Chem Dept, Electrochem & Corros Lab, El Bohouth St 33,PO 12622, Giza, Egypt
来源
ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS | 2021年 / 235卷 / 04期
关键词
adsorption; biocide; carbon steel; corrosion; ionic liquids; SEM; MILD-STEEL CORROSION; MICROBIOLOGICALLY INFLUENCED CORROSION; COLD-ROLLED STEEL; CARBON-STEEL; HCL SOLUTION; ADSORPTION BEHAVIOR; CATIONIC SURFACTANT; D-PHENYLALANINE; ACID; PERFORMANCE;
D O I
10.1515/zpch-2019-1517
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
With the help of the weight loss, and electrochemical techniques the suppressing action of the commercially available ionic liquid, 1-butylpyrrolidinium chloride [BPm1,1] Cl for carbon steel corrosion in 3.5% NaCl medium was scrutinized. It found that this compound acts as an excellent inhibitor with protection performance raised by an increase of its concentration and temperature. The adsorption behavior of the investigated ionic liquid was a mixed-type inhibitor subordinating Langmuir adsorption isotherm. To expounding adsorption and corrosion inhibition mechanisms, various thermodynamics and activation parameters such as adsorption constant (K-ads), Gibb's standard free energy (Delta G*), activation energy (Ea), activation enthalpy (Delta H*), and activation entropy (Delta S*) were determined and debated. It has appeared that there is a strong interaction between the inhibitor molecules and the carbon steel surface in a predominantly chemisorptions manner. The presence of a protective inhibitor film on the metal surface was confirmed using a corroborative SEM tool. Moreover, the IL has screened for antibacterial activity against planktonic and sessile microorganisms. The obtained results emphasized that the utilized ionic liquid can be regarded as an efficacious biocide for both bacterial strains with a dissimilar efficiency.
引用
收藏
页码:377 / 406
页数:30
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