Chemically modifiedguargumandethylacrylate composite asanewcorrosioninhibitorfor reduction inhydrogenevolutionandtubularsteel corrosion protectioninacidicenvironment
Autor: | Mumtaz A. Quraishi, K.R. Ansari, Savaş Kaya, Ambrish Singh, Sultan Erkan |
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Přispěvatelé: | Fen Fakültesi |
Jazyk: | turečtina |
Rok vydání: | 2022 |
Předmět: |
Guar gum
Materials science Renewable Energy Sustainability and the Environment Composite number Energy Engineering and Power Technology 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences 0104 chemical sciences Dielectric spectroscopy Corrosion Metal Corrosion inhibitor chemistry.chemical_compound Fuel Technology Adsorption chemistry visual_art visual_art.visual_art_medium Ethyl acrylate 0210 nano-technology CorrosionHydrogen evolutionPolysaccharideInhibitionXPSAFM Nuclear chemistry |
Popis: | The paper deals with the synthesis of Guar gum and ethyl acrylate (GG-EEA) composite. The synthesized natural polysaccharide composite was used as a corrosion inhibitor to reduce hydrogen evolution and P110 steel corrosion protection in 15% HCl (Hydrochloric acid). The primary corrosion techniques like weight loss, electrochemical impedance spectroscopy (EIS), and potentiodynamic polarization (PDP) was used to analyze the corrosion inhibition process. The PDP proposed that GG-EEA composite is a mixed-type corrosion inhibitor and inhibits corrosion by blocking the active sites presenting over the metal surface. The corrosion inhibition performance of GG alone is 77.5%, and that of GG-EEA is 92.3% at 500 mg/L. The adsorption of GG-EEA onto P110 steel is spontaneous and mixed type, i.e., both physical and chemical. The conformation of GG-EEA molecule adsorption was done using a scanning electron microscope (SEM), Energy dispersive x-ray spectroscopy (EDX), Atomic force microscopy (AFM), and X-ray photoelectron spectroscopy studies. Density functional theory (DFT) analysis was done to explore the active sites over the inhibitor in metal-inhibitor interaction. Molecular dynamic simulation (MD) simulations study reveals that GG-EEA has more adsorption capacity than GG alone. |
Databáze: | OpenAIRE |
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