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All Journal Multitek Indonesia : Jurnal Ilmiah Journal of Islamic Economic Development
Muarifin
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Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance

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Perancangan Dan Pembuatan Alat Filtrasi Oli Untuk Menangkap Partikel Kontaminan Pada Tangki Pelumasan Mufarida, Nely Ana; Muarifin
MULTITEK INDONESIA Vol 19 No 2 (2025): Desember
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/mtkind.v19i2.12783

Abstract

Kinerja sistem pelumasan pada mesin industri sangat dipengaruhi oleh kualitas oli yang digunakan. Kontaminasi berupa partikel logam, serpihan karbon, dan kotoran mikroskopis dapat menyebabkan penurunan efisiensi pelumasan, peningkatan temperatur kerja, hingga percepatan keausan komponen. Penelitian ini merancang dan menganalisis alat filtrasi oli berbasis filter mekanis yang diterapkan pada tangki oli skala industri guna meningkatkan kebersihan oli selama proses operasi. Sistem filtrasi dirancang dengan konsep sirkulasi kontinu, di mana oli dialirkan dari tangki menuju media filter berpori 5mikron menggunakan pompa low-pressure dan dikembalikan kembali ke dalam tangki. Pengujian dilakukan pada oli terkontaminasi partikel padat buatan dengan ukuran <= 50 mikron. Hasil menunjukkan bahwa alat filtrasi mampu menurunkan jumlah partikel hingga 80–90% setelah periode filtrasi 45–90 menit, serta meningkatkan kejernihan oli secara signifikan. Dengan demikian, alat filtrasi mekanis ini terbukti efektif dalam memperpanjang umur pakai oli, meminimalkan downtime mesin, dan mengurangi biaya perawatan pada sistem pelumasan industri.
Sharia Economy As The Foundation Of The People's Economy To Achieve A Prosperous Indonesia Muarifin; Yahya, Mohammad Hisyam; Walid, Ahmad
Journal of Islamic Economic Development Vol. 2 No. 1 (2024): Journal of Islamic Economic Development
Publisher : P3M - STAI Kuningan

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Abstract

This study examines the role of Islamic economics as the foundation for a people-centered economy in promoting sustainable economic growth and realizing the vision of a prosperous Indonesia. The objective is to analyze how Islamic economic principles grounded in justice, sustainability, and social responsibility can contribute to equitable distribution, community empowerment, and the elimination of harmful economic practices. The research employs a qualitative descriptive method, using literature review and analysis of secondary data from relevant sources on Islamic economic practices and their impacts. The findings reveal that the implementation of Islamic economic instruments such as zakat (almsgiving), waqf (endowments), and Islamic financing plays a significant role in supporting micro, small, and medium enterprises (MSMEs), reducing socio-economic disparities, and strengthening the real sector. These mechanisms contribute to building a more inclusive, stable, and welfare-oriented economic system. In conclusion, Islamic economics holds substantial potential as a foundation for a people-centered economy, offering practical solutions to achieve sustainable development and economic prosperity in Indonesia. This study contributes to the discourse by demonstrating the practical relevance of Islamic economics in addressing contemporary economic challenges and fostering inclusive growth.
Co-Authors Mufarida, Nely Ana Walid, Ahmad Yahya, Mohammad Hisyam