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All Journal IEJST (Industrial Engineering Journal of the University of Sarjanawiyata Tamansiswa) Mechanical Engineering for Society and Industry Serambi Engineering
Bimo Aji, Dody
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Combustion characteristics of pyrolysis oil droplets from pyrolysis of polyethylene (PE) plastic waste Aji, Dody Bimo; Effendy, Marwan; Ngafwan, Ngafwan
Mechanical Engineering for Society and Industry Vol 5 No 1 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12763

Abstract

Plastic waste is suspected to be a major contributor to environmental pollution, thus encouraging the need for innovative and effective management strategies to overcome it. Pyrolysis is considered an affordable way to process plastic waste, and even produce useful products in liquid form, which has the potential to be an alternative fuel in combustion engines. This study evaluated the combustion characteristics of pyrolysis oil derived from polyethylene (PE) plastic waste. The pyrolysis process was carried out under controlled conditions, at a furnace temperature of 250°C, a reactor temperature of 400°C, and a condenser temperature of 300°C, processing 1 kg of PE plastic waste. Temperature data was monitored every 10 minutes by installing several thermocouples. The pyrolysis process was able to produce 671 ml of liquid, which was later identified as plastic pyrolysis oil (PPO PE-11) and the rest in the form of residue reached 45 g. The results indicated that PPO PE-11 has a viscosity of 5.93 mm²/s, which is higher than diesel 3.8173 mm²/s. Meanwhile, its density is 0.779 kg/m³, which is slightly lower than diesel. The calorific value of PPO PE-11 is slightly higher than diesel, reaching 11,046.4 cal/g. The droplet scale combustion tests give a shorter ignition delay of 0.6 seconds at 41.28°C for PPO PE-11, compared to 1 second at 52.525°C for diesel, indicating its flammability.
Development of a Portable Disaster Evacuation Simulation Tool for Elementary Schools Using Quality Function Deployment (QFD) Febrianto, Ahmad Janan; Aji, Dody Bimo; Zulfiar, Muhammad Heri
INDUSTRIAL ENGINEERING JOURNAL of the UNIVERSITY of SARJANAWIYATA TAMANSISWA Vol 8 No 2 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/iejst.v8i2.0240202

Abstract

This study presents the development of an interactive, portable disaster evacuation simulation tool for elementary school students using the Quality Function Deployment (QFD) method. The tool aims to enhance student's ability to memorize and recall evacuation routes through hands-on learning and interactive play. Conducted as a case study in a private elementary school in Bantul, Yogyakarta, this research integrates the House of Quality (HoQ) framework to align technical specifications with educators' requirements. The simulation tool is designed as a modular labyrinth-style board that mimics the school's disaster evacuation map, allowing students to actively reconstruct escape routes and improve their spatial awareness and disaster preparedness. Findings reveal that the interactive and adaptable nature of the tool significantly improves students' understanding of evacuation procedures compared to traditional static evacuation maps. Additionally, the tool's portability and customizable design accommodate annual changes in school infrastructure, ensuring long-term usability and scalability. This study highlights the importance of incorporating game-based learning and interactive disaster education strategies into school curricula, promoting engaged learning and better emergency preparedness among young learners.
Sustainability and Energy Potential of Extrusion Processed Biomass Briquettes: A Systematic Literature Review Bimo Aji, Dody; janan, Ahmad Janan Febrianto; , Reza Bayu Kurniawan; , Gahar Albani Rasyid; , Iqbal Maulana
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The global energy crisis and the increasing volume of agro-industrial waste have accelerated the development of environmentally friendly and sustainable biomass-based alternative energy sources. Extrusion technology has emerged as a promising approach for converting biomass waste into high-quality energy briquettes with enhanced thermal performance and minimal environmental impact. This study aims to analyze the energy potential and sustainability contributions of extrusion-based biomass briquettes through a Systematic Literature Review (SLR) approach, providing a multidimensional thematic understanding of recent research trends. The review follows the PRISMA protocol and utilizes the Scopus database, systematically selecting 30 scientific articles published between 2019 and 2025 based on predefined inclusion and exclusion criteria. The analysis focuses on feedstock characteristics, processing technologies, energy outputs, and contributions to environmental, economic, and social sustainability. The findings reveal that agro-industrial residues such as rice husks, straw, and food waste, when processed through extrusion with natural binders, produce briquettes with high calorific values, low emissions, and efficient combustion performance. This approach also promotes waste reduction, cost efficiency, and the empowerment of community-based renewable energy enterprises. The study concludes that extrusion technology holds strategic potential in supporting the transition toward renewable energy and achieving sustainable development goals, applicable to both industrial and household energy scales.
Co-Authors , Gahar Albani Rasyid , Iqbal Maulana , Reza Bayu Kurniawan Ahmad Janan Febrianto janan, Ahmad Janan Febrianto Marwan Effendy Muhammad Heri Zulfiar, Muhammad Heri Ngafwan Ngafwan