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All Journal Community Development Journal: Jurnal Pengabdian Masyarakat Vokasi UNESA Bulletin of Engineering, Technology and Applied Science
Shavira Azzahra
Universitas Negeri Malang
Humanities Computer Science & IT Economics, Econometrics & Finance Education Engineering Health Professions Mechanical Engineering Public Health Transportation

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AUTOMATIC COFFEE BEAN ROASTER MACHINE TO IMPROVE PRODUCTION QUALITY AND EFFICIENCY FOR COFFEE BUSINESS Pramono Pramono; Muhammad Afnan Habibi; Fuad Indra Kusuma; Sujito Sujito; Suprayitno Suprayitno; Shavira Azzahra
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 4 No. 3 (2023): Volume 4 Nomor 3 Tahun 2023
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v4i3.17530

Abstract

Bisnis kuliner kini semakin berkembang dengan persaingan pasar yang begitu luas dan minat pembeli semakin bervariasi dalam bidang minuman. Saat ini para pengusaha mulai berinovasi terkait kuliner salah satu nya didalam bidang minuman kopi dengan berbagai cita rasa dari racikan kopi dan salah satu produsen kopi di Desa Toyomarto di Kecamatan Singosari Kabupaten Malang ikut meramaikan bisnis kuliner ini dengan mengkobinasikan kopi dengan aneka rempah-rempah dan buah-buahan yang telah berdiri sejak tahun 2020 dengan usaha KOPI WALI dan setiap hari nya memproduksi 30-50 Kg dan UMKM Kopi Wali ini mendapatkan banyak pesanan dikarenakan mengingkatnya peminat minuman kopi sehingga UMKM Kopi Wali ini harus meningkatkan produksi nya namun mengalami permalasahan Ketika pada proses roasting green bean yang dikarenakan masih menggunakan alat yang sederhana sehingga hasil dari biji kopi yang sudah melalui roasting memiliki kualitas yang berbeda beda, tidak adanya pengaturaan suhu didalam tungku roasting dan lamanya proses sekali produksi karena alat yang di gunakan mempunyai kapasitas yang kecil sehingga UMKM Kopi Wali ini harus membatalkan pesanan mereka dari kondisi ini kami dari tim pengabdian masyarakat ingin memberikan transfer teknologi berupa Automatic Coffee Bean Roaster Machine dirancang untuk meningkatkan kualitas produksi,kapasitas yang di hasilkan bertambah dan efisiensi waktu serta memberikan pelatihan penggunaan alat dan cara perawatan dari alat tersebut.
Analysis Of The Characteristic Of A Dual Chamber Microbial Fuel Cell Based On Copper Wire Mesh Shavira Azzahra; Arya Kusuma Wardhana; Soraya Norma Mustika; Royb Fatkhur Rizal
Vokasi UNESA Bulletin of Engineering, Technology and Applied Science Vol. 3 No. 2 (2026)
Publisher : Universitas Negeri Surabaya or The State University of Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/vubeta.v3i2.44757

Abstract

Sustainable alternative energy solutions are being investigated as a result of the growing demand for energy worldwide and the negative effects of fossil fuels on the environment. A promising method is provided by Microbial Fuel Cell (MFC) devices, which use microbial activity to turn organic materials into electrical power. However, system configuration specifically, the distance between electrodes has a major impact on MFC performance. This study uses wastewater from rice washing as a substrate to examine the effects of different copper plate electrode spacings (1 cm, 3 cm, and 5 cm) on a dual- chamber MFC. By verifying the viability of using household organic waste for the generation of renewable energy and determining the ideal design parameters, this study advances MFC development. Copper plate and copper wire mesh electrodes, separated by a gel membrane, were utilized to create a self-assembled dual-chamber MFC. To assess system performance, measurements of voltage, current, power, and power density were made at various electrode distances and external loads. According to the findings, the maximum power output (207.5 mW), maximum voltage (0.467 V), and ideal power density (0.001395 mW/mg) were all achieved at a distance of 3 cm. Faster voltage stabilization was possible with a 1 cm gap, but efficiency was reduced with a 5 cm distance. At an external resistance of 3 kΩ, the system reached its maximum power.
Co-Authors . Pramono Arya Kusuma Wardhana Fuad Indra Kusuma Muhammad Afnan Habibi Royb Fatkhur Rizal Soraya Norma Mustika Suprayitno Suprayitno