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All Journal Journal of Education and Teacher Training Innovation (JETTI) Advance Sustainable Science, Engineering and Technology (ASSET)
Bakri, Sitty Nur Syafa
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Chemistry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Video-based Learning for Knowledge and Readiness on Waste Separation at Source (WSAS) Practice among Engineering Students Bakri, Sitty Nur Syafa
Journal of Education and Teacher Training Innovation Vol. 2 No. 2 (2024): Journal of Education and Teacher Training Innovation (JETTI)
Publisher : PT. Pusmedia Group Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61227/jetti.v2i2.138

Abstract

Video-based learning is a visual storytelling that have proven to be highly effective tools in disseminating information and engaging students. In this study, waste separation at source (WSAS) were demonstrated in a video to explores the effectiveness of video-based learning in promoting knowledge and readiness for WSAS practice among engineering students. The students were exposed to two types of videos: Video 1-Penang and Video 2-Sapporo. After watching both videos, they were given a questionnaire to assess their willingness to practice WSAS and the level of knowledge gained on the subject. The finding indicated that students answered higher percentages (scale 4-5) for knowledge learned through video visualisation. All students agreed to do WSAS with correlation of 0.7 between their knowledge gained and willingness to adopt the practice. For immediate action for waste separation implementation, 85% of the students prefer to adopt Video 1-Penang over Video 2-Sapporo. Therefore, this study suggests that utilisation of video-based learning in educating engineering students has proven to be effective in promoting knowledge and readiness about waste separation at source practice. Based on the results of the study, the implications that can be identified are that video-based learning has proven to be effective as an educational tool to improve students' knowledge and readiness in the practice of waste sorting at source (WSAS)
Exploring Biochar Briquettes from Biomass Waste for Sustainable Energy Heriyanti, Andhina Putri; Bakri, Sitty Nur Syafa; Jabbar, Abdul; Kholil, Putri Alifa; Amelia, Rizki Nor; Savitri, Erna Noor; Rifaatunnisa; Siti Herlina Dewi; Habil Sultan
Advance Sustainable Science Engineering and Technology Vol. 7 No. 3 (2025): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/7mhm6t05

Abstract

The increasing demand for renewable energy necessitates sustainable alternatives such as biochar briquettes derived from agricultural waste. This study aims to optimize the production process and evaluate the physical, mechanical, and combustion properties of biochar briquettes made from corn residues, rice husks, and coconut shells. The methodology includes biomass carbonization, binder ratio optimization, and systematic testing of key quality parameters such as moisture content, density, ash content, and calorific value. Results indicate that an optimal biomass-to-binder ratio yields a high calorific value (7,192 kcal/kg) and low ash content (3.57%), enhancing combustion efficiency. Maintaining moisture content below 10% enhances ignition and prolongs burning time. These findings highlight biochar briquettes' role in carbon sequestration, biomass conversion, and sustainable waste management, supporting the circular economy and reducing environmental pollution. Biochar briquettes offer a clean, accessible energy solution, contributing to global energy security and climate change mitigation.
Co-Authors Abdul Jabbar Erna Noor Savitri, Erna Noor Habil Sultan Heriyanti, Andhina Putri Kholil, Putri Alifa Rifaatunnisa Rizki Nor Amelia Siti Herlina Dewi