Wet corrosion behavior of copper exposed to recycled groundnut oil as biofuel

Sangeetha Govindharajan; Saratha Raman; Shanmugam Viswapriya; Rajasekar Rathanasamy; Gobinath Velu Kaliyannan; Sathish Kumar Palaniappan

doi:10.3139/120.111294

Artikel

Wet corrosion behavior of copper exposed to recycled groundnut oil as biofuel

Sangeetha Govindharajan , Saratha Raman , Shanmugam Viswapriya , Rajasekar Rathanasamy , Gobinath Velu Kaliyannan und Sathish Kumar Palaniappan

Veröffentlicht/Copyright: 24. April 2019

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Abstract

The scarcity of fossil fuels may lead to a depletion of coal, oil and natural gas in the near future. Alternative fuels, especially biofuels, are receiving considerable attention for their environmental benefits. Biodiesel is a renewable and clean burning fuel that is made from waste vegetable oils, animal fats, or recycled restaurant grease for use in diesel vehicles. Biodiesel produces fewer toxic pollutants and greenhouse gases than petroleum diesel. Many biofuels have been extracted and synthesized but little has been undertaken to study their effects on corrosion. The present investigation aims to evaluate the wet corrosion behavior of copper in used groundnut oil (UGNO) as a biofuel. The varieties of its blending ratios with commercial diesel (5, 10 and 20 %) were studied in accord with the mass loss method for a period of 100 h. The corrosion rate of the metal was evaluated according to mass loss and electrochemical methods. The corrosivity and conductivity of the test media were positively correlated. Wettability studies also supported the non-corrosive nature of biodiesel.

*Correspondence Address, Prof. Dr. Rathanasamy Rajasekar, Department of Mechanical Engineering, Kongu Engineering College, Perundurai, Erode, Tamil Nadu, India, E-mail: rajasekar.cr@gmail.com

Govindharajan Sangeetha, born 1989, obtained her MSc degree in 2009 at S. T. E.T College and her MPhil in 2012 at Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, India. She gained research experience during 2011 and 2012 at the Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, India. Since 2016, she has been working in Scope International, Chennai, India.

Prof. Dr. Raman Saratha, born 1962, is presently working as Professor in the Department of Chemistry, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, India. Her areas of specialization are Corrosion Science, Environmental Chemistry and Biofuels.

Assistant Prof. Viswapriya Shanmugam, born 1984, has been working in the Department of Chemistry, Kongu Engineering College, Erode, Tamil Nadu, India, since 2008. She received her MSc and MPhil degrees from the Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, India. Her research and publication interests include Corrosion Science, Environmental Chemistry and Biofuels.

Dr. Rathanasamy Rajasekar, born 1982, obtained his MSc and PhD degrees in 2008 and 2011, respectively, at the Indian Institute of Technology, Kharagpur in the stream of Materials Science. He gained Post-Doctoral Research experience 2011 and 2012 in the Department of Polymer & Nano Engineering at Chonbuk National University, South Korea. Since 2012, he has been working as a Professor in the Department of Mechanical Engineering at Kongu Engineering College, Erode, Tamil Nadu, India.

Velu Kaliyannan Gobinath, born 1989, obtained his BEng degree in 2012 at Maharaja Engineering College. He received his Master of Engineering at Kongu Engineering College, Erode, Tamil Nadu, India in 2014, focusing on CAD/CAM. He is currently working as a Junior Research Fellow in the Department of Mechanical Engineering at Kongu Engineering College, Erode, India.

Palaniappan Sathish Kumar, born in 1991, finished his Bachelor's degree in Engineering (mechanical stream) at the University College of Engineering Villupuram (A Constituent College of Anna University, Chennai), Tamil Nadu, India in 2012. He received his Master of Engineering from Kongu Engineering College, Erode, Tamil Nadu, India which he completed with distinction in 2014 in focusing on CAD/CAM. Currently, he is pursuing a Ph.D. in the Department of Mining Engineering, Indian Institute of Technology (IIT) Kharagpur, West Bengal, India.

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Published Online: 2019-04-24

Published in Print: 2019-02-04

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https://doi.org/10.3139/120.111294