Maximising Yield and Engine Efficiency Using Optimised Waste Cooking Oil Biodiesel

Luqman Razzaq, Shahid Imran, Zahid Anwar, Muhammad Farooq, Muhammad Mujtaba Abbas, Haris Mehmood Khan, Tahir Asif, Muhammad Amjad, Manzoore Elahi M. Soudagar, Nabeel Shaukat, I. M. Rizwanul Fattah and S. M. Ashrafur Rahman
Additional contact information
Luqman Razzaq: Department of Mechanical, Mechatronics and Manufacturing Engineering, New Campus, University of Engineering and Technology, Lahore 54890, Pakistan
Shahid Imran: Department of Mechanical, Mechatronics and Manufacturing Engineering, New Campus, University of Engineering and Technology, Lahore 54890, Pakistan
Zahid Anwar: Department of Mechanical, Mechatronics and Manufacturing Engineering, New Campus, University of Engineering and Technology, Lahore 54890, Pakistan
Muhammad Farooq: Department of Mechanical, Mechatronics and Manufacturing Engineering, New Campus, University of Engineering and Technology, Lahore 54890, Pakistan
Muhammad Mujtaba Abbas: Department of Mechanical, Mechatronics and Manufacturing Engineering, New Campus, University of Engineering and Technology, Lahore 54890, Pakistan
Haris Mehmood Khan: Department of Chemical, Polymer and Composite Materials Engineering, New Campus, University of Engineering and Technology, Lahore 54890, Pakistan
Tahir Asif: Department of Mechanical, Mechatronics and Manufacturing Engineering, New Campus, University of Engineering and Technology, Lahore 54890, Pakistan
Muhammad Amjad: Department of Mechanical, Mechatronics and Manufacturing Engineering, New Campus, University of Engineering and Technology, Lahore 54890, Pakistan
Manzoore Elahi M. Soudagar: Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
Nabeel Shaukat: Department of Chemical, Polymer and Composite Materials Engineering, New Campus, University of Engineering and Technology, Lahore 54890, Pakistan
I. M. Rizwanul Fattah: School of Information, Systems and Modelling, Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW 2007, Australia
S. M. Ashrafur Rahman: Biofuel Engine Research Facility, Queensland University of Technology, Brisbane City, QLD 4000, Australia

Energies, 2020, vol. 13, issue 22, 1-16

Abstract: In this study, waste cooking oil (WCO) was used as a feedstock for biodiesel production, where the pretreatment of WCO was performed using mineral acids to reduce the acid value. The response surface methodology (RSM) was used to create an interaction for different operating parameters that affect biodiesel yield. The optimised biodiesel yield was 93% at a reaction temperature of 57.50 °C, catalyst concentration 0.25 w/w , methanol to oil ratio 8.50:1, reaction stirring speed 600 rpm, and a reaction time of 3 h. Physicochemical properties, including lower heating value, density, viscosity, cloud point, and flash point of biodiesel blends, were determined using American Society for Testing and Materials (ASTM) standards. Biodiesel blends B10, B20, B30, B40, and B50 were tested on a compression ignition engine. Engine performance parameters, including brake torque (BT), brake power (BP), brake thermal efficiency (BTE), and brake specific fuel consumption (BSFC) were determined using biodiesel blends and compared to that of high-speed diesel. The average BT reduction for biodiesel blends compared to HSD at 3000 rpm were found to be 1.45%, 2%, 2.2%, 3.09%, and 3.5% for B10, B20, B30, B40, and B50, respectively. The average increase in BSFC for biodiesel blends compared to HSD at 3500 rpm were found to be 1.61%, 5.73%, 8.8%, 12.76%, and 18% for B10, B20, B30, B40, and B50, respectively.

Keywords: biodiesel; waste cooking oil; transesterification; response surface methodology; central composite design (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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