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All Journal JURNAL PengaMAS IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA)
Said Hi Abbas
Universitas Khairun
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Analisis Modifikasi Filter Fuel Caterpillar C15 Di Pusat Listrik Laiwui Muhammad Ridwan; Iwan Gunawan; Said Hi Abbas
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 2 No 1 (2023): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v2i1.28

Abstract

Today the development of technology is very rapid both in the field of basic science and the modification of a tool and even modifications in the field of engines, both combustion engines and electric engines. Modifications are needed to improve the performance of a machine. Modifications that can be applied to diesel engines that use fuels such as MFO, diesel, and biosolar. Diesel oil is the result of distillation of petroleum which is used only as fuel for compression ignition engines used by injectors. Biodiesel or biosolar is a type of fuel made from vegetable oil. The main objective of developing biodiesel is to substitute fossil fuels to produce green, environmentally friendly energy. The research we conducted was on the Caterpilar C15 Engine at PLTD Laiwui, and used biodiesel fuel (B30). Data collection is carried out when the machine is operating normally. From the data, we process it by analyzing it so we can find the main problem. From the results of the analysis, we get the root of the problem, namely the engine often shuts down because the pressure drops in the fuel system, this is caused by a dirty filter. From the results of the analysis, the researchers made a plan to modify the fuel system on the Caterpilar C15 engine at PLTD Laiwui. The modification applied is to add a material filter before entering the machine. then a performance test was carried out for 1 week and the modified data was compared with the initial data before the modification.  
PKM KELOMPOK PESK INOVASI KOLAM PENGENDAP SEDIMEN TERINTEGRASI PENGOLAHAN AIR LIMBAH TAMBANG MENUJU GOOD MINING PRACTICE DI DESA ANGGAI KECAMATAN OBI Firman Firman; Said Hi Abbas; Hilda Alkatiri; Nurafni Sagaf; Rahmania Nurdin
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Publisher : UNIVERSITAS KHAIRUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/pengamas.v6i3.6629

Abstract

Desa Anggai memiliki kegiatan penambangan dan pengolahan emas yang dikelola oleh para kelompok penambang emas skala kecil (PESK). Pengolahan emas menggunakan metode amalgamasi dan sianidasi menghasilkan air limbah yang selama ini belum dikelola. PKM ini bertujuan melakukan penyuluhan dan pelatihan pembuatan kolam pengendap sedimen terintegrasi pengolahan air limbah tambang menuju good mining practice. Penyuluhan dan pelatihan melibatkan mitra kelompok PESK yang pekerjanya 18 orang. Hasil pre-test mengenai pemahaman mitra mengenai fungsi kolam pengendap sedimen terintegrasi pengolahan air limbah, 72% belum mengetahui fungsinya dan setelah dilakukan penyuluhan serta post-test sebanyak 100% sudah mengetahui fungsi kolam pengendap sedimen. Mitra mampu membuat kolam pengendap sedimen sebanyak 2 kompartemen dengan dimensi lebar x panjang x kedalaman, yaitu 6 x 15 x1,5 m3. Penyuluhan dan pelatihan pengolahan air limbah, pre-test terkait perlunya pengelolaan air limbah tambang sebanyak 55,56% belum mengetahui. Post test setelah penyuluhan menunjukan 94,44% sudah memahami pentingnya pengelolaan air limbah tambang. Pengolahan air limbah tambang dilakukan dengan metode fitoremediasi menggunakan tanaman kangkung dan eceng gondok. Mitra dilatih cara pemantauan kualitas air limbah di kolam pengendap sedimen dan hasil pengukuran insitu yaitu pH 8,5; total dissolved solids (TDS) 197 ppm; EC 335 µS/cm, salinitas 0,01%; serta temperatur 28,5oC. Kata Kunci: air limbah, Desa Anggai, fitoremediasi, kolam pengendap sedimen, PESK, pH
Co-Authors Firman Firman Hilda Alkatiri Iwan Gunawan Muhammad Ridwan Nurafni Sagaf Rahmania Nurdin