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All Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Jurnal Teknologi dan Inovasi Industri
Hussein, Muhammad
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Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Other

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Studi Eksperimental Titik Nyala dan Viskositas Biodiesel Diproduksi dari Minyak Goreng Bekas Hussein, Muhammad; Idris, Muhammad
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 3 No 1 (2024): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v3i1.101

Abstract

Biodiesel is a potential alternative to replace diesel because its raw materials are renewable and environmentally friendly. One of the raw materials used is waste cooking oil. The high content of free fatty acids in waste cooking oil requires pretreatment in the form of esterification before the transesterification process. This study aims to determine the effect of reaction time variations (60, 70, 80, 90, and 100 minutes) at a temperature of 60°C and a stirring speed of 1050 rpm on biodiesel's flash point and viscosity. The biodiesel production process was carried out in two stages: esterification and transesterification. The catalyst concentration was methanol at a 1:2 ratio and NaOH at 0.5% of the waste cooking oil. After transesterification, the mixture was allowed to settle for 20 minutes. The produced biodiesel was washed with distilled water at 50°C and evaporated at 90-100°C. The flash point test results for the reaction time variations showed the following values: 60 minutes (108.5), 70 minutes (182.5), 80 minutes (182.5), 90 minutes (148.5), and 100 minutes (184.5). The results indicated that the cetane number obtained did not meet the biodiesel quality standards and was not yet suitable for use according to the Ministry of Energy and Mineral Resources (ESDM) regulations.
Perancangan Mobile Robotic Harvester yang Dilengkapi dengan Sensor Warna TCS230D untuk Proses Panen Selektif Buah Kopi Matang (Ripe Coffee Cherry) Vabylita, Maria Fransisca; Haviz, Muhammad; Hussein, Muhammad
Jurnal Teknologi dan Inovasi Industri (JTII) Vol 4, No 1 (2023)
Publisher : Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtii.v4i1.61

Abstract

Pemanenan kopi di Indonesia masih dilakukan secara tradisional dengan pemetikan manual yang memiliki akurasi dan konsistensi yang rendah dalam memperoleh buah kopi dengan tingkat kematangan yang seragam. Hal tersebut menyebabkan perlunya proses sorting untuk memisahkan buah kopi yang mentah, sudah masak dan terlampau masak guna meningkatkan kualitas kopi yang dihasilkan.  Proses sorting tentunya memerlukan tenaga, biaya dan waktu yang tidak sedikit sehingga dengan adanya inovasi perancangan Mobile Robotic Harvester yang dilengkapi dengan sensor warna diharapkan terjadi peningkatan dalam sektor pertanian kopi khususnya pada proses pemanenan buah kopi. Sensor warna yang terdapat pada Mobile Robotic Harvester ini memiliki akurasi yang tinggi dalam mendeteksi buah kopi yang sudah matang sehingga buah kopi yang dipanen memiliki tingkat kematangan yang seragam. Oleh sebab itu, perancangan ini diharapkan dapat meningkatkan kualitas buah kopi yang diperoleh dengan optimasi proses pemanenan sehingga tidak lagi memerlukan proses sorting buah kopi.
PENDAMPINGAN PENANGANAN SAMPAH PLASTIK UNTUK MINIMASI DAMPAK PENCEMARAN LINGKUNGAN DI UNIVERSITAS SANG BUMI RUWA JURAI BANDAR LAMPUNG darni, yuli; Lismeri, Lia; Utami, Herti; Ginting, Simparmin; Setiawan, Aris; Kusumawardhani, Nindya; Hussein, Muhammad
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol. 10 No. 1 (2026): Vol. 10 No. 1, Maret 2026
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v10i1.670

Abstract

The community service activity at Sang Bumi Ruwa Jurai University (Saburai) aims to improve and develop initiatives for plastic waste management to minimize environmental pollution and generate products with higher economic value. Through this program, students learn how to sort and manage plastic waste within the campus environment. This activity directly impacts plastic waste handling efforts. The methods applied in this program include socialization and training on waste management. During the socialization, the utilization and management of plastic waste are briefly explained using the concepts of reduce, reuse, and recycle. Training sessions are provided to students, staff, and cleaning personnel at Saburai University, focusing on plastic waste sorting techniques. The activities take place at Saburai University, Bandar Lampung, targeting primarily the students and staff, who are then expected to disseminate the knowledge to the surrounding community. The expected outcome is that partners are able to manage plastic waste more efficiently and enhance its economic value. This initiative represents a positive contribution to one of the government’s programs in environmental protection and efforts to minimize waste and pollution.
Co-Authors Aris Setiawan Herti Utami Kusumawardhani, Nindya Lismeri, Lia M. Haviz Muhammad Idris Simparmin Ginting Vabylita, Maria Fransisca Yuli Darni