Combustion performance and emissions of ethyl ester of a waste vegetable oil in a water-cooled furnace |
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| Affiliation: | 1. Mechanical Engineering Department, Jordan University of Science and Technology, PO Box 3030, Irbid 22110, Jordan;2. Department of Agricultural Engineering and Technology, Jordan University of Science and Technology, PO Box 3030, Irbid 22110, Jordan;3. Department of Applied Chemistry, Jordan University of Science and Technology, PO Box 3030, Irbid 22110, Jordan;1. European Paediatric Association (EPA-UNEPSA), Berlin, Germany;2. Children''s Hospital, Hannover Medical School, Hannover, Germany;3. Department of Pediatrics and Adolescent Medicine, General Hospital Leoben, Leoben, Austria;4. Political Pediatric Medicine, Vienna, Austria;5. Institute of Pediatrics and Pediatric Residency Program, University of Foggia, Foggia, Italy;6. Child Health Department, Bath, United Kingdom;1. Forest & Nature Lab, Ghent University, Geraardsbergsesteenweg 267, 9090 Gontrode, Belgium;2. Terrestrial Ecology Unit, Department of Biology, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium;3. Department of Applied Biosciences, Faculty of Bioscience Engineering, Ghent University, Valentin Vaerwyckweg 1, 9000 Ghent, Belgium;1. College of Civil Engineering, Hunan University, Changsha 410082, China;2. School of Civil and Hydraulic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;3. School of Civil Engineering, Oklahoma State University, Stillwater, OK 74078, USA;4. Department of Civil, Coastal, and Environmental Engineering, University of South Alabama, Mobile, AL 36688, USA;5. Faculty of Civil Engineering and Architecture, University of Niš, Aleksandra Medvedeva 14, Niš 18000, Serbia;1. Department of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, India;2. Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000, Simcoe Street North, Oshawa, Ontario, L1G 0C5, Canada;1. Graduate School of Education, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama, 770-8530, Japan;2. Kyoto Prefectural Technology Center for Small and Medium Enterprises, Chudoji-minamimachi, Shimogyo-ku, Kyoto, 600-8813, Japan;3. Faculty of Mechanical Engineering, Universiti Teknologi MARA (UiTM) Johor, Campus Pasir Gudang, 81750, Masai, Johor, Malaysia;4. Vehicle System Engineering, Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Semarak, 54100, Kuala Lumpur, Malaysia |
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| Abstract: | Food consumption around the world produces large amounts of waste vegetable oils and fats that, in many world regions, are disposed of in harmful ways. Consequently, this study intended to investigate the feasibility of utilizing this renewable and low cost fuel raw material as a diesel fuel replacement in small-scale applications such as in residential heating boilers. Specifically, the study examined the aspects of combustion performance and emissions of the ethyl ester of used palm oil (biodiesel) relative to the baseline diesel fuel in a water-cooled furnace. The combustion efficiency, ηc, and exhaust temperature, Texh, as well as the common pollutants and emissions were tested over a wide range of air/fuel ratio ranging from very lean to very rich (10:1–20:1). All tests were conducted at two different energy inputs for both fuels. The findings showed that, at the lower energy rate used, biodiesel burned more efficiently with higher combustion efficiency and exhaust temperature of, respectively, 66% and 600 °C compared to 56% and 560 °C for the diesel fuel. At the higher energy input, biodiesel combustion performance deteriorated and was inferior to diesel fuel due to its high viscosity, density and low volatility. As for emissions, biodiesel emitted less pollutants at both energy levels over the whole range of A/F ratio considered. |
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