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All Journal Rekayasa Mesin Jurnal Elementer (Elektro dan Mesin Terapan) Journal of Renewable Energy and Mechanics Jurnal Teknik Mesin Jurnal Teknik Mesin Indonesia Majamecha APTEK Jurnal Rekayasa Energi dan Mekanika Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Novison, Roni
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Aerospace Engineering Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Studi Eksperimental Pengaruh Waktu Granulasi Dan Bahan Campuran Terhadap Keseragaman Bentuk Granular Zaira, Jupri Yanda; Putra, Alhadi; Irdam, Fortinov Akbar; Novison, Roni
Majamecha Vol. 7 No. 2 (2025): Majamecha
Publisher : Program Studi Teknik Mesin, Fakultas Teknik, Universitas Islam Majapahit, Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamecha.v7i2.4328

Abstract

Pupuk granul merupakan salah satu bentuk pupuk organik yang lebih praktis digunakan petani karena memiliki ukuran seragam dan mudah diaplikasikan ke lahan. Penelitian ini bertujuan menganalisis pengaruh variasi bahan campuran dan waktu granulasi terhadap keseragaman bentuk butiran granul. Metode yang digunakan berupa pengujian eksperimental dengan memanfaatkan bahan baku kotoran sapi dan kambing, baik dalam kondisi basah maupun kering, dengan tambahan perekat ampas CPO dan solid sawit. Proses granulasi dilakukan pada sudut mata penahan 36° dengan variasi waktu 5, 10, dan 15 menit. Hasil pengujian menunjukkan bahwa kotoran kambing kering dengan perekat solid sawit memberikan performa terbaik, menghasilkan butiran lebih seragam pada rentang ukuran 2–5 mm. Waktu granulasi 10–15 menit terbukti paling efektif dalam membentuk granul yang stabil, sedangkan bahan baku basah tidak direkomendasikan karena kandungan air yang tinggi menyebabkan penggumpalan. Temuan ini menegaskan bahwa pemilihan bahan baku dan durasi granulasi yang tepat sangat berpengaruh terhadap kualitas pupuk granul yang dihasilkan. Persentase keberhasilan hasil dari pengujian ini sebesar 25% dari bahan input kotoran kambing 1 kg dan bahan baku 1 kg.
Design and Development of a Palm and Coconut Stick Shaving Machine Using an Adjustable Blade Ma'a, Mustaza; Gozali, Serano; Novison, Roni; Wijianto, Agus
Journal of Renewable Energy and Mechanics Vol. 9 No. 01 (2026): REM VOL 9 No 01 2026
Publisher : UIR PRESS

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Abstract

Oil palm and coconut are important crops in Indonesia that produce vegetable oil. However, both plants also generate a very large amount of waste, one of which is leaves. These leaves are often not utilized optimally and are simply wasted, even though the midrib section has the potential to be used as material for various crafts. This study aims to design and develop a stripping machine for coconut and oil palm midribs using an adjustable blade innovation, which can adapt to variations in midrib diameter to produce clean and optimal strips. The machine utilizes two blades which one adjustable blade for adapting to the midrib diameter and one fixed blade, an AC motor as the main drive, and rubber rollers as the midrib feeder. The outcome of this design is expected to help communities utilize midrib waste more effectively and contribute to increasing the added value of agricultural waste. Furthermore, the use of an adjustable blade mechanism is expected to improve the flexibility and efficiency of the stripping process.
DESIGN OF ORGANIC WASTE PROCESSING EQUIPMENT FOR LIQUID SMOKE PRODUCTION Ma'a, Mustaza; Zulfa, Hafiz; Novison, Roni; Akbar Irdam, Fortinov
Journal of Renewable Energy and Mechanics Vol. 8 No. 02 (2025): REM VOL 8 No 02 2025
Publisher : UIR PRESS

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Abstract

This study presents the design of an organic waste processing device to produce liquid smoke through combustion, particle separation, and condensation processes. The system consists of a combustion chamber, a cyclone separator, and a condensation tube, which were designed and analyzed numerically with software. Dry organic waste such as coconut shells, rice husks, and leaves was used as raw material with a capacity of 15 kg per cycle. Simulation results show that the combustion chamber reached a maximum temperature of approximately 333°C, the cyclone separator achieved flow velocities of 4.72–7.48 m/s with effective particle separation, and the condensation tube reduced the smoke temperature to around 27°C, enabling liquid smoke formation. This device offers potential as a solution for organic waste management while producing valuable by-products such as natural pesticides and organic preservatives.
Co-Authors Adli, Muhammad Amirul Agus Wijianto Agusto, Dino Akbar Irdam, Fortinov Akhyan, Amnur Amnur Akhyan Faadhilah, Hanif Gozali, Serano Haiqal, Muhammad Irdam, Fortinov Akbar Ma'a, Mustaza Maa, Mustaza Nugraha, Nurcahya Nugroho, Nur Cahya Putra, Alhadi Razali, Mohd Azahari bin Rianto, Rifan Syachreffi, Mohammad Ichwan Wijianto, Agus Zaira, Jupri Yanda Zulfa, Hafiz