Transesterification of Algae Oil and Little Amount of Waste Cooking Oil Blend at Low Temperature in the Presence of NaOH

Siddharth Jain (), Nitin Kumar, Varun Singh, Sachin Mishra, Naveen Kumar Sharma, Mohit Bajaj and T. M. Yunus Khan ()
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Siddharth Jain: Department of Mechanical Engineering, School of Engineering, University of Petroleum and Energy Studies, Energy Acres, Bidholi, Dehradun 248007, Uttarakhand, India
Nitin Kumar: Department of Mechanical Engineering, Phonics Group of Institutions, Roorkee 247667, India
Sachin Mishra: Department of Electrical Engineering, School of Electronics and Electrical Engineering, Lovely Professional University, Phagwara 144402, India
Naveen Kumar Sharma: Electrical Engineering Department, I. K. G. Punjab Technical University, Jalandhar 144601, India
Mohit Bajaj: Department of Electrical Engineering, Graphic Era (Deemed to be University), Dehradun 248002, India
T. M. Yunus Khan: Department of Mechanical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia

Energies, 2023, vol. 16, issue 3, 1-13

Abstract: The present study describes the single-step transesterification method of biodiesel production from high free fatty acid (FFA) waste cooking oil blended with algae oil using a homogeneous base catalyst. Due to high FFA contents, two step transesterification is needed to convert oil into biodiesel and therefore the high FFA content of waste cooking oil is decreased by blending it with low FFA content algae oil, which would further lead only to single step transesterification of low FFA oil. The design and optimization studies were conducted using Response Surface Methodology (RSM). The box-Behnken design technique is applied to optimize the three process parameters, i.e., catalyst concentration (0–2 wt%), methanol concentration ( v/v ) (20–60%) and reaction time (60–180 min) at a uniform reaction temperature of 50 °C. The result of the current study indicates that an effective biodiesel yield of 92% can be obtained at the optimized condition of catalyst concentration of 1.5% ( w/w ), methanol/oil ratio of 21:1 and reaction time of 110 min at a constant reaction temperature of 50 °C. This analysis clearly shows that this study can resolve the storage problem of high FFA oils from different feedstock and RSM can be successfully used to model the reaction to maximize the biodiesel yield.

Keywords: transesterification; biodiesel production; optimization; free fatty acid (FFA); Response Surface Methodology (RSM); algae oil (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: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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