Biodiesel from cotton seed oil and its effect on engine performance and exhaust emissions |
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| Authors: | Md Nurun Nabi Md Mustafizur Rahman Md Shamim Akhter |
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| Affiliation: | 1. Department of Mechanical Engineering, National Institute of Technology Manipur, 795004, India;2. Department of Mechanical Engineering, Maulana Azad National Institute of Technology Bhopal, India;3. Department of Mechanical Engineering, Federal University of Petroleum Resources, Effurun, Delta State P.M.B 1221, Nigeria;4. Innovative Green Product Synthesis and Renewable Environment Development Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam;1. Department of Mechanical Engineering, Jeppiaar Institute of Technology, Kancheepuram, TN, India;2. Department of Mechanical Engineering, S.R.M Institute of Science and Technology, Kancheepuram, TN, India;3. Department of Mechanical Engineering, Rajalakshmi Engineering College, Chennai, TN, India;1. Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600077, India;2. Department of Automobile Engineering, Madras Institute of Technology, Chennai 600044, India;3. Department of Mechanical Engineering, Lakireddy Bali Reddy College of Engineering, Mylavaram, A.P, 521230, India;1. Department of Mechanical Engineering, Institute of Road & Transport Technology, Erode 638 316, Tamilnadu, India;2. Department of Chemical Engineering, A C Tech Campus, Anna University, Chennai 600025, Tamilnadu, India;3. Department of Chemical Engineering, State University of Maringá, Avenida Colombo, 5790, 87020-900 Maringá, Paraná, Brazil;4. Department of Automobile Engineering, Institute of Road & Transport Technology, Erode 638 316, Tamilnadu, India |
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| Abstract: | The use of biodiesel is rapidly expanding around the world, making it imperative to fully understand the impacts of biodiesel on the diesel engine combustion process and pollutant formation. Biodiesel is known as the mono-alkyl-esters of long chain fatty acids derived from renewable feedstocks, such as, vegetable oils or animal fats, for use in compression ignition engines. Different parameters for the optimization of biodiesel production were investigated in the first phase of this study, while in the next phase of the study performance test of a diesel engine with neat diesel fuel and biodiesel mixtures were carried out. Biodiesel was made by the well known transesterification process. Cottonseed oil (CSO) was selected for biodiesel production. Cottonseed is non-edible oil, thus food versus fuel conflict will not arise if this is used for biodiesel production. The transesterification results showed that with the variation of catalyst, methanol or ethanol, variation of biodiesel production was realized. However, the optimum conditions for biodiesel production are suggested in this paper. A maximum of 77% biodiesel was produced with 20% methanol in presence of 0.5% sodium hydroxide. The engine experimental results showed that exhaust emissions including carbon monoxide (CO) particulate matter (PM) and smoke emissions were reduced for all biodiesel mixtures. However, a slight increase in oxides of nitrogen (NOx) emission was experienced for biodiesel mixtures. |
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