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Sasongko, Beni Tri
Institut Sains & Teknologi AKPRIND
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Journal : Journal of Engineering and Applied Technology

 1 
Energy balance of thermal and catalytic degradation processes of plastic waste for producing alternative fuel Sasongko, Beni Tri; Wisnu Wardhana, Prabuditya Bhisma; Kurniawan, Stephanus Danny; Susilo, Gunawan Budi
Journal of Engineering and Applied Technology Vol 4, No 2 (2023): (August)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v4i2.61334

Abstract

A simple thermal and catalytic degradation of polyethylene plastic waste has been carried out to produce alternative liquid fuel. Plastic of 1500 grams was pyrolyzed at a specific temperature of 450 °C. The gases were condensed in a water-cooled condenser and collected in a liquid container. Energy balance calculation was done where catalytic cracking with Y zeolite as catalyst seemed to be the best because the generated thermal energy from waste plastic oil was already higher than the required electric energy supplied for the cracking. However, several improvements must always be made in order to save more energy and create the best result for commercialization.
FDM 3D printing application for making plate pattern on sand casting Royan, Muhammad; Soemowidagdo, Arianto Leman; Sasongko, Beni Tri; Pradana, Deny Aji
Journal of Engineering and Applied Technology Vol 4, No 2 (2023): (August)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v4i2.64658

Abstract

Pattern making in sand casting requires high-level skilled workers since accuracy is the most important concern in producing good quality products. Therefore, conventional pattern-making becomes a major obstacle in developing new products, especially for complicated products as it takes over 70% of the total time in production of the foundry process. This study offers an alternative method in pattern making utilizing 3D technology with the Fuse Deposition Material (FDM) method. It consisted of three steps: planning, production, and evaluation. An intake manifold is an example product that was designed by using Computer Aided Design (CAD) and then imported to a slicer application to obtain the G codes. After the design was printed by using filament of PLA+, it was assembled to create the plate pattern that then was used to produce the intake manifold through casting. The study result shows that the FDM method of the 3D printing technology is feasible for pattern making on sand casting. Deviation and shrinkage of the casting product were still within tolerance. The largest shrinkage is 0.453 mm (1.258%).
Co-Authors Achmad Arifin Andrean Emaputra Bayu Rahmat Setiadi, Bayu Rahmat Harjanto, Chrisna Tri Kurniawan, Stephanus Danny Marifa Kurniasari Nashir, Irdayanti Mat Ngabdul Munif Pradana, Deny Aji Royan, Muhammad Saputri, Virda Hersy Lutviana Susilo, Gunawan Budi Sutopo Sutopo Sutopo Sutopo Tri Adi Prasetya Wisnu Wardhana, Prabuditya Bhisma