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All Journal Transmisi JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Jurnal DISPROTEK KACANEGARA Jurnal Pengabdian pada Masyarakat Adimas : Jurnal Pengabdian Kepada Masyarakat Jurnal Elemen Jurnal Teknologi Terapan DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Abdimasku : Jurnal Pengabdian Masyarakat GANDRUNG: Jurnal Pengabdian Kepada Masyarakat Madaniya Community Empowerment Journal of Engineering and Applied Technology Journal of Mechanical Engineering Sinergi Polmed : Jurnal Ilmiah Teknik Mesin RING Mechanical Engineering Jurnal Inovasi Teknologi Manufaktur, Energi dan Otomotif Jurnal Kendali Teknik dan Sains
Wisnu Wardhana, Prabuditya Bhisma
Politeknik Negeri Banyuwangi
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Pengaruh Katalis Zeolit terhadap Mass Balance dan Sebaran Senyawa Hidrokarbon pada Minyak Hasil Pirolisis Limbah Plastik Prabuditya Bhisma Wisnu Wardhana; Nur Hayati; Gunawan Budi Susilo; Beni Tri Sasongko
Jurnal Kendali Teknik dan Sains Vol. 3 No. 3 (2025): Juli: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v3i3.5206

Abstract

The problem of plastic waste has developed into an urgent global environmental crisis, due to the nature of plastic that is difficult to decompose and can persist in the environment for hundreds of years. This study explores pyrolysis as a promising oxygen-free thermal conversion technology to overcome plastic waste by converting it into valuable products such as oil, gas, and char. The main focus of the study is the use of zeolite catalysts in the pyrolysis of polyethylene plastic waste from household waste, with a total mass of 1.5 kg of plastic waste and 200 grams of zeolite catalyst. The catalyst used, natural zeolite from Klaten, Central Java, was heated at a temperature of ±200°C before being used in a pyrolysis reactor at an operating temperature of 450°C for ±4 hours. The results showed that the use of zeolite catalysts reduced the percentage of liquid and solid products, but increased the percentage of gas products. In addition, the use of catalysts tended to reduce the content of medium fractions (C11-C22) and paraffin fractions, while increasing the light fractions (C4-C11) and olefin fractions. These findings indicate the potential of pyrolysis as a sustainable solution to the plastic waste problem with positive impacts on the environment and economy.
Optimization of Process Parameters and Post-Processing of SLA 3D Printing on the Hardness of Photopolymer Resin Using the Taguchi Method Candra Hadi Prayoga; Abdul Hamid; Prabuditya Bhisma Wisnu Wardhana; Mega Lazuardi Umar; M. Abdul Wahid
RING ME Vol 6 No 1 (2026): RING Mechanical Engineering
Publisher : Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/rme.v6i1.25505

Abstract

The limited availability of plastic components for classic automotive vehicles has encouraged the utilization of stereolithography (SLA) 3D printing technology as an alternative manufacturing method. However, studies regarding the optimization of SLA printing and post-processing parameters on the hardness characteristics of photopolymer resin are still limited. This study aimed to optimize SLA process and post-process parameters to improve resin hardness. The investigated parameters were layer thickness, exposure time, washing time, and curing time. The experimental design employed the Taguchi method with an L9 (3⁴) orthogonal array. Specimens were fabricated using an Anycubic Photon Mono 2 printer ABS-Like Resin Pro 2 material, followed by washing and curing processes according to experimental parameters. Hardness testing was conducted using the Shore D method based on ASTM D2240 standards. The experimental data were analyzed using signal-to-noise (S/N) ratio analysis, analysis of variance (ANOVA), and percentage contribution analysis with Minitab software. The results indicated that layer thickness exhibited the highest contribution ratio (47.24%), followed by exposure time (34.62%) and washing time (14.21%). However, ANOVA results indicated none of the investigated factors were statistically significant at the 95% confidence level (p > 0.05). The optimal parameter combination consisted of 0.20 mm layer thickness, 9 s exposure time, 5 min washing time, and 20 min curing time. Confirmation experiments produced a hardness value of 87.8 Shore D, which was close to the predicted value of 88.0333 Shore D. These findings demonstrate that Taguchi method is effective for determining optimal SLA printing parameters to enhance photopolymer resin hardness.
Co-Authors Abdul Hamid Agung Fauzi Hanafi Andrean Bagus Prasetyo Angga Fahad Musthofa Assiqin, Laiq Firdaus Beni Tri Sasongko Candra Hadi Prayoga Eka Darma, Yeddid Yonatan Finali, Asmar Gunawan Budi Susilo Haq, Bella Arini Harwin Saptoadi Kanom, Kanom Kurniawan, Stephanus Danny Liliyanti, Mita Ayu M. Abdul Wahid Mega Lazuardi Umar Nur Hayati Nur Hayati Nurhalimah Nurhalimah Rizki Maulana, Rizki Rochmad Eko P.U. Rochmad Eko Prasetyaning Utomo Sasongko, Beni Tri Satria Prasetya Susilo, Gunawan Budi Utomo, Rochmad Eko Prasetyaning Wahyu Saputra Yaqin, Rizki Ilmal Yudha, I Gusti Ngurah Agung Satria Prasetya Dharma