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All Journal Rekayasa Mesin Jurnal Elementer (Elektro dan Mesin Terapan) Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Mesin Indonesia APTEK Jurnal Konversi Energi dan Manufaktur Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) JITER-PM (Jurnal Inovasi Terapan - Pengabdian Masyarakat)
Wijianto, Agus
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Aerospace Engineering Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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RH Laksmana's Yam Flour Market Expansion with Technology and Digital Marketing : Ekspansi Pasar Tepung Ubi RH Laksmana dengan Implementasi Teknologi dan Pemasaran Digital Putri Madona; Zaira, Jupri Yanda; Wijianto, Agus; Henim, Silvana Rasio; Trisnadoli, Anggy; Chandra, Irwan
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 9 No. 2 (2025): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v9i2.23602

Abstract

Cassava is one of the primary food commodities with a strategic role in supporting food security. In Riau Province, cassava production centers continue to grow annually. One of the cassava-based products with increasing demand in both national and international markets is cassava flour. RH Laksmana Cassava Flour is a producer located in Kampar Regency, relying on sunlight for drying cassava chips and manually sieving flour using a 40 cm kitchen sieve, which is inefficient. Marketing efforts are limited to personal social media accounts. This community service project implemented two machines, provided a website and its training, and conducted digital marketing training. Results showed a 41.6% improvement in sieving time efficiency and a 140% increase in sieved production output. Drying processes also became more hygienic and weather-independent, with a capacity of 160 kg/day
Experimental Analysis of Mechanical and Thermal Properties of Sugar Palm Fiber-Plastic Composite Roofs Wijianto, Agus; Ma'a, Mustaza; Yanda Zaira, Jupri; Rizkyana, Rizkyana; Arif Sitinjak, Bherry
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 69 No 3 (2025): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v69i3.553

Abstract

This research aims to enhance the performance of Palm Sugar Fiber (PSF) or Ijuk roofing by combining it with recycled High Density Polyethylene (HDPE) plastic as a binder and outer protective layer. The method was used an experimental study with several variations in fiber form and mass, followed by performance testing on temperature, noise, and mechanical properties (tensile, compressive, and impact strength). The results showed that the 40-gram long fiber variation provided the most optimal performance. The indoor temperature beneath the PSF roof was recorded at 38.2°C. The absolute thermal conductivity value was calculated at 0.23 W/m·K. In noise reduction tests, the PSF roof recorded 39.6 dB compared to 74.2 dB for zinc roofing. In terms of strength, the palm fiber roof achieved a tensile strength of 13.24 MPa and the impact strength of 3.16 Joules. Thus, the fiber (fiber) composite roof with HDPE binder demonstrates superior thermal and sound insulation capabilities, as well as sufficient mechanical strength, making it a promising environmentally friendly alternative for modern roofing materials.
Manufaktur Alat Pengolah Limbah Plastik Menjadi Bahan Bakar Alternatif (Minyak Solar) dengan Metode Pirolisis Zaira, Jupri Yanda Zaira; Dani, Darwis; Novison, Roni; Wijianto, Agus; Hasibuan, M. Refky
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 3 (2025): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i3.308

Abstract

Pyrolysis is a thermochemical process that can break down organic/inorganic materials into more valuable compounds by heating them to high temperatures. In this research, a laboratory-scale plastic waste pyrolysis system was manufactured, designed using CAD software, with all material components and the heating system selected. The pyrolysis unit consists of a stainless-steel reactor tube as the main component with a diameter of 0.5 m and a height of 1.5 m, an LPG-based heating system, and a galvanic condensation tube to convert vapor into pyrolysis oil. The manufacturing process involved fabricating the reactor tube using Shielded Metal Arc Welding (SMAW) with a 2.6 mm-diameter E6013 electrode. The testing was conducted at temperatures ranging from 300 to 400°C, with a capacity of 10 kg of polyethylene (PE) and polypropylene (PP) plastic per cycle. During the initial phase, leaks were found at the pipe joints and reactor lid, but repairs using heat-resistant sealing adhesive successfully restored the device to proper function. The outcome of this research is the creation of a pyrolysis unit capable of converting plastic waste into a primary product, pyrolysis oil. Each cycle, with a plastic waste capacity of 10 kg, can produce approximately 4.5 liters of pyrolysis oil, along with pyrolysis gas and solid residue. The produced pyrolysis oil has a calorific value of approximately 462 kJ/kg, which is close to that of fossil fuels (diesel oil), with a density of 0.83- 0.85 g/cm³.
Co-Authors Adli, Muhammad Amirul Agusto, Dino Akhyan, Amnur Akhyan Alfitrah, Fajar Anggy Trisnadoli Arif Sitinjak, Bherry Checilia, Azzahra Dwi Dani, Darwis Faadhilah, Hanif Giustino, Nicholas Hasibuan, M. Refky Henim, Silvana Rasio Hermawan, Muhammad Irwan Chandra Ma'a, Mustaza Maa, Mustaza Novison, Roni Nugraha, Nurcahya Putri Madona Rizkyana, Rizkyana Silalahi, Samuel Tabah Penemuan Parulian Syahrizal Taek, Oscar Yanda Zaira, Jupri Zaira, Jupri Yanda Zaira, Jupri Yanda Zaira