Unraveling the study of liquid smoke from rice husks as a green corrosion inhibitor in mild steel under 1 M HCl

Authors

DOI:

https://doi.org/10.15587/1729-4061.2022.265086

Keywords:

liquid smoke, green corrosion inhibitor, rice husks ash, chemisorptions

Abstract

The work provides the more comprehensive development of Liquid Smoke from Rice Husks Ash (RHA). Notably, the study focuses on the interaction between the primary molecules of inhibitor and mild steel, including thermodynamic calculation and surface treatment upon addition of inhibitor. The electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization (PP) characterization were utilized to evaluate the anticorrosion of RHA. The Raman Spectroscopy pre and post-addition of RHA’s inhibitor were used to compare the adsorbed functional group of inhibitors. Moreover, the thermodynamic calculation of the inhibitor’s adsorption determines the types of adsorption of the inhibitor. As a result of the adsorption process, the Scanning Electronic Microscope-Energy Dispersive X-Ray (SEM-EDX) aided by The Atomic Force Microscopy (AFM) and Contact Angle Test was implemented to unveil the surface treatment and the change of elemental composition after the addition of an 80 ppm inhibitor. The PP and EIS results show a significant depression of the current density at ‒2.75 μA·cm2 in 80 ppm solution with the highest inhibition efficiency of 99.82 %. The superior inhibition correlates to the adsorption of Si–OH, C–C, C–O–C, >C=O, complex structure, and –OH at wavenumber 458, 662, 1095, 1780, and 3530 cm-1. The LS shows a significant surface area of protection of 0.9982 and high adsorption constant (Kads) at 11.648. The calculated ΔGads of ‒6.59 kJ/mol unveils the chemisorption in nature. At the same time, a combination of 20 and 80 ppm solution is predicted adsorbed horizontally to reduce the contact between the solution and substrate, as shown in SEM and AFM results. It also increases the contact angle and their corresponding hydrophobicity

Supporting Agency

  • The author gratefully thanks the Ministry of Research and Technology/National Research and Innovation Agency for the financial support of contract number NKB-1008/UN2.RST/HKP.05.00/2022.

Author Biographies

Agus Kaban, Universitas Indonesia

Master of Engineering, Graduate Student

Prof Johny Wahyuadi Laboratory

Department of Metallurgical and Materials Engineering

Wahyu Mayangsari, Research Center for Metallurgy-National Research and Innovation Agency

Master of Engineering, Researcher

Mochammad Anwar, Research Center for Metallurgy-National Research and Innovation Agency

Master of Science, Senior Researcher

Ahmad Maksum, Politeknik Negeri Jakarta

Doctor of Engineering, Lecturer

Research Center for Eco-Friendly Technology

Department of Mechanical Engineering

Taufik Aditiyawarman, Universitas Indonesia

Master of Science, Graduate Student

Prof Johny Wahyuadi Laboratory

Department of Metallurgical and Materials Engineering

Johny Soedarsono, Universitas Indonesia

Doctor of Engineering, Professor

Prof Johny Wahyuadi Laboratory

Department of Metallurgical and Materials Engineering

Aga Ridhova, Research Center for Metallurgy-National Research and Innovation Agency

Master of Engineering, Researcher

Rini Riastuti, Universitas Indonesia

Doctor of Engineering, Senior Lecturer

Prof Johny Wahyuadi Laboratory

Department of Metallurgical and Materials Engineering

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Unraveling the study of liquid smoke from rice husks as a green corrosion inhibitor in mild steel under 1 M HCl

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2022-10-30

How to Cite

Kaban, A., Mayangsari, W., Anwar, M., Maksum, A., Aditiyawarman, T., Soedarsono, J., Ridhova, A., & Riastuti, R. (2022). Unraveling the study of liquid smoke from rice husks as a green corrosion inhibitor in mild steel under 1 M HCl. Eastern-European Journal of Enterprise Technologies, 5(6 (119), 41–53. https://doi.org/10.15587/1729-4061.2022.265086

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Vol. 5 No. 6 (119) (2022): Technology organic and inorganic substances

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Technology organic and inorganic substances

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Copyright (c) 2022 Agus Kaban, Wahyu Mayangsari, Mochammad Anwar, Ahmad Maksum, Taufik Aditiyawarman, Johny Soedarsono, Aga Ridhova, Rini Riastuti

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