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All Journal Jurnal Ilmiah Giga JMM (Jurnal Masyarakat Mandiri) JURNAL KAJIAN TEKNIK MESIN Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Jurnal Konversi Energi dan Manufaktur Automotive Experiences
Basori Basori
3Program Studi Teknik Mesin, Fakultas Teknik Dan Sains, Universitas Nasional, 12520
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Rotating-Magnetic-Field-Assisted Electrodeposition of Copper for Ambulance Medical Equipment Syamsuir Syamsuir; Ferry Budhi Susetyo; Bambang Soegijono; Sigit Dwi Yudanto; Basori Basori; Maman Kartaman Ajiriyanto; Daniel Edbert; Evi Ulina Margaretha Situmorang; Dwi Nanto; Cahaya Rosyidan
Automotive Experiences Vol. 6 No. 2 (2023)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.9067

Abstract

This study examines the influence of the application of a rotating magnetic field in the electrodeposition of copper (Cu). During the electrodeposition, five constant magnets were rotated (500 and 800 rpm) towards the bottom of the sample. To investigate deposition rate, surface morphology, phase, structure, corrosion resistance, and hardness in deposited Cu using a weighing scale, a scanning electron microscope equipped with energy dispersive spectroscopy (SEM-EDS), X-ray diffraction (XRD), potentiodynamic polarization, and hardness tester respectively. Bacterial activity was also evaluated through this research. Morphological surface observations showed that the increase in the rotational speed of the magnets during the electrodeposition process led to a smooth surface. A perfect Cu phase covers Al alloy with no oxide. The potentiodynamic polarization demonstrated by the increase in the rotating led to a shift to the more positive value of the corrosion potential. Moreover, the corrosion current also decreases with the increase in the rotating speed of the magnets. Less crystallite size promoted forming a higher hardness and inhibition zone of the Cu films.
IMPLEMENTASI RENCANA PEMANTAUAN LINGKUNGAN HIDUP UNTUK PENGELOLAAN LIMBAH CAIR PADA BANGUNAN BERINGKAT TINGGI Basori Basori; Ruliyanta Ruliyanta; Jodi Setiawan
JMM (Jurnal Masyarakat Mandiri) Vol 8, No 5 (2024): Oktober
Publisher : Universitas Muhammadiyah Mataram

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Abstract

Abstrak: Baku mutu air sungai dipengaruhi oleh air yang masuk kedalamnya. Pada bangunan tinggi, sebelum air bilas atau air bekas dibuang ke sungai atau saluran kota, wajib diolah. Permasalahan yang ditemui pada mitra adalah belum dilakukan pelaporan atas kegiatan ini selama periode 2023. Tujuan kegiatan ini menyusun laporan pembuangan air limbah periode Semester 1 dan Semester 2 tahun 2023 yang wajib dilaporkan pada tahun 2024. Metodenya dengan merekap hasil pengukuran kualitas baku mutu air setiap triwulan. .Mitra kami adalah sebuah perusahaan yang bergerak dibidang pusat perbelanjaan yang ada di Jakarta Timur. ecara keseluruhan, hasil pengukuran ini menunjukkan bahwa kualitas air limbah yang diuji jauh dari standar baku mutu yang berlaku. Hampir semua parameter, kecuali pH, melebihi batas yang diperbolehkan, yang menunjukkan bahwa sistem pengolahan air limbah ini tidak efektif dan memerlukan perbaikan signifikan. Hasil rata-rata dalam setahun adalah Amonia 51,1 untuk BOD, 50,53 COD (Dikromat), 102,4 minyak dan lemak, 9,75 untuk pH dan 7,49 Total Coliform 80.000. Sementara hasil zat padat tersuspensi 17.875. Jika air limbah ini dibuang ke lingkungan tanpa pengolahan tambahan, hal ini dapat menyebabkan pencemaran yang serius, berdampak negatif pada lingkungan dan kesehatan masyarakat. Langkah-langkah perbaikan dalam sistem pengolahan air limbah harus segera dilakukan untuk mengurangi dampak negatif ini.Abstract: River water quality standards are influenced by the water that enters it. In high-rise buildings, before rinse water or used water is discharged into rivers or city channels, it must be treated. The problem encountered by partners is that reporting on this activity has not been carried out during the 2023 period. The aim of this activity is to prepare a report on wastewater disposal for the 1st and 2nd semester of 2023 which must be reported in 2024. The method is to recap the results of measuring the quality of water quality standards every quarter. Overall, the results of these measurements show that the quality of the wastewater tested is far from the applicable quality standards. Almost all parameters, except pH, exceed the permissible limits, which indicates that this wastewater treatment system is ineffective and requires significant improvement. Average results in a year are Ammonia 51.1 for BOD, 50.53 COD (Dichromate), 102.4 oils and fats, 9.75 for pH and 7.49 Total Coliform 80,000. Meanwhile the yield of suspended solids was 17,875. If this wastewater is discharged into the environment without additional treatment, it can cause serious pollution, negatively impacting the environment and public health. Improvement steps in the wastewater treatment system must be taken immediately to reduce this negative impact.
Co-Authors Agung Iswadi Ahmad Zayadi Asmawi Bambang Soegijono Bima Rizky Saputra Cahaya Rosyidan Cahyono Heri Prasetyo Daniel Edbert Dwi Nanto, Dwi Dwi Utomo Oktapriyana Evi Ulina Margaretha Situmorang Ferry Budhi Susetyo I Wayan Sugita Jodi Setiawan Joko Prasetyo Lukman Arhami Maman Kartaman Ajiriyanto Marsudi Masyhudi, Masyhudi Masyhudi, Masyhudi - Masyudi Masyudi Masyudi Masyudi Muhamad Agil Febrianto Muhamad Muslih Muhammad Fatihuddin Muhammad Naufal Rifqi Muhammad Yunan Hasbi Muhammad Yunan Hasbi Repi, Viktor Vekky Ronald Reza febriano Armas Reza Ferdiana Rois Wardiana Rudianto Ruliyanta Ruliyanta Satrio Dwifatan Sulistio Setyadi, Wismanto Sigit Dwi Yudanto Suharwanto Susetyo, Ferry Budhi Syafrizal Syamsuir Syamsuir Syamsuir Togar Pasaribu Wismanto Setyadi Wismanto Setyadi Wismanto Setyadi