BOT-1784: Valorization of Waste Cooking Oil into High-Yield Biodiesel via Potassium Hydroxide- Catalyzed Transesterification | [4th International Conference of Sciences “Revamped Scientific Outlook of 21st Century, 2025” , November 12,2025 • 2025]

Author(s):

1. Shanza Khizar: Department of Botany, Rawalpindi Women University, Rawalpindi, Pakistan

2. Dania Ajmal: Department of Botany, Rawalpindi Women University, Rawalpindi, Pakistan

3. Noor-e-shaar: Department of Botany, Rawalpindi Women University, Rawalpindi, Pakistan

4. Mamoona Munir: Department of Botany, Rawalpindi Women University, Rawalpindi, Pakistan

5. Banzeer Ahsan Abbasi: Department of Botany, Rawalpindi Women University, Rawalpindi, Pakistan

6. Mushtaq Ahmad: Quaid-Azam University Islamabad,Rawalpindi,Pakistan.

7. Shazia Sultana: Quaid-Azam University Islamabad,Rawalpindi,Pakistan.

Abstract:

Growing energy consumption and environmental degradation are issues that compel clean renewable fuels to come into existence. Biodiesel is a great replacement for fossil fuels since it is renewable and biodegradable by nature with low emissions. In the current manuscript Waste Cooking Oil (WCO) was used as a sustainable feedstock for biodiesel production via base catalyzed transesterification using sodium hydroxide (KOH) as homogenous catalyst , major reaction conditions like methanol to oil ratio, catalyst dosage, temperature and reaction time were optimized carefully to maximize the efficiency. Biodiesel yield of 95% was obtained at these specified conditions which proves KOH catalytic effectiveness. The produced biodiesel was tested on fuel properties such as viscosity, density, flash point, and acid value found to be within international biodiesel standards (ASTM D6751 and EN 14214). These conclusions show that used cooking oil can be easily changed into a topexcellence green fuel, giving two benefits of waste handling and clean energy making. This helps the idea of a round economy by showing how a city waste flow can be turned into a useful and lasting energy source. .

Page(s): 72-72

DOI: DOI not available

Published: Journal: 4th International Conference of Sciences “Revamped Scientific Outlook of 21st Century, 2025” , November 12,2025, Volume: 1, Issue: 1, Year: 2025

Keywords:

renewable energy , Biodiesel , Circular economy , Potassium hydroxide KOH , Transesterification , Waste Cooking Oil WCO , Green Energy , Sustainable Feedstock , Homogeneous Catalyst , Fuel Properties

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