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Amalia, Rahma
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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

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A Project-Based Learning Approach for Chemical Engineering Students Involving Waste Cooking Oil Biodiesel Production for Portable Stove Application Amalia, Rahma; Sipayung, Rosmawati; Nazarudin
Jurnal Penelitian Pendidikan IPA Vol 11 No 6 (2025): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i6.11134

Abstract

This study implemented project-based learning in a bioenergy engineering course at the Pondok Meja Campus, Universitas Jambi, involving 17 chemical engineering students during the first semester of the 2024/2025 academic year. Conducted over 13 weeks, the project involved biodiesel production from waste cooking oil using NaOH and CaO catalysts, followed by fuel application in a portable stove. The highest biodiesel yield was 92.3% (3% NaOH, 1:6 oil-to-methanol) and 42.0% (6% CaO, 1:12). The density ranged from 0.87 to 0.89 g/cm³, with stove fuel consumption rates of 0.0607 ml/s (NaOH) and 0.0412 ml/s (CaO). Evaluation involved class participation, lab performance, product presentation, and final reporting, yielding an overall project score of 87/100. Student feedback showed high agreement (mean 4.45/5) in teamwork, problem solving, critical thinking, time management, and proactiveness, supported by lecturer assessments (13.1/15). Challenges included equipment limitations and time constraints, yet all groups completed the project on time. This hands-on approach effectively achieved subject-specific and transferable skills, fostering engineering competence and readiness for real-world bioenergy challenges.
Co-Authors -, Tonasih Aldillah Herlambang Alfernando, Oki Almaida, Dina Rahma Amalia, Ainaya Rizki Nur Angelita, Adinda ANITA QOIRIAH Az-zahra, Hasna Zaqiyah Erniati, Emi Febrianti, Dwi Erni I. Istadi Isra, Aisa Khafiah, Lastri Lawrence, Yesica Natalia Lestary, Rara Ayu Maharani, Reizki Muhammad Kurniawan Mundarti, Sri Musfiroh, Sri Muttaqin, Khoirul Nadila, Anggi Nazarudin Norantika, Delta Prabasari, Ira Galih Putri, Gusia Alia Putri, Nabilla Muflih Setiana Ra'ida Raudhatussya'rifah Rafeifadattis, Keysha Feiruzian Rara Ayu Lestary Raudhatussya'rifah, Ra'ida Riyanto, Teguh Rosmawati Sipayung Sakdiya, Badriyatus Santoso, Dian Rahma Sarah Fiebrina Heraningsih Sari, Putri Cahaya Wulan Setyawan, Najwa Adiva Faiza Simarmata, Moses Apriyadi Sthepenson Suryadri, Hadistya Suryani, Tania Augustine Tahta Rajani Usmi, Rana Sahirah Vania, Putri Joya Widiarti, Melia Widyastuti, Nita Windasari, Yanti Yulianti, Ria Zahroh, Maulida