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All Journal Science and Technology Indonesia Indonesian Journal of Chemistry Journal of Community Service and Empowerment Indonesian Journal of Chemical Studies (Indones. J. Chem. Stud.) Babakti : Journal of Community Engangement Darmabakti: Jurnal Pengabdian kepada Masyarakat Sorption Studies
Yusuf Bramastya Apriliyanto
Department of Chemistry, Bogor Agricultural University, Chemistry Building, Wing 1, 3rd Floor, Tanjung St., IPB Darmaga Campus, Bogor 16680, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Environmental Science Health Professions Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Kolaborasi kampus–industri dalam program magang: Implikasi bagi pengembangan PT Dahana Lestari, Aura Puja; Haidar, Muhammad Hilman; Gunaryo, Gunaryo; Apriliyanto, Yusuf Bramastya; Alivia, Latisa Stefi; Anggara, Adrian Rezki
Darmabakti: Jurnal Pengabdian kepada Masyarakat Vol. 2 No. 1 (2025): November
Publisher : CV Rezki Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56003/darmabakti.v2i1.659

Abstract

Program magang merupakan salah satu bentuk implementasi pembelajaran berbasis pengalaman (experiential learning) yang dirancang untuk menjembatani kesenjangan antara teori yang diperoleh di bangku perkuliahan dengan praktik nyata di dunia kerja. Penelitian ini bertujuan untuk mengevaluasi kinerja mahasiswa magang dalam pelaksanaan program Magang Generasi Bertalenta (MAGENTA) BUMN di PT Dahana. Evaluasi ini dilakukan guna memperoleh gambaran menyeluruh mengenai kompetensi, kedisiplinan, tanggung jawab, serta kemampuan adaptasi mahasiswa selama kegiatan magang berlangsung. Metode penelitian yang digunakan adalah metode deskriptif kualitatif dengan pendekatan survei. Instrumen pengumpulan data berupa kuesioner tertutup yang disebarkan kepada pembimbing lapangan selaku penilai kinerja mahasiswa. Data yang diperoleh dianalisis untuk menilai efektivitas program magang dalam meningkatkan kemampuan profesional mahasiswa serta kontribusinya terhadap lingkungan kerja. Hasil penelitian menunjukkan bahwa secara umum mahasiswa magang memiliki kinerja yang baik, ditandai dengan tingkat kedisiplinan yang tinggi, rasa tanggung jawab terhadap tugas, dan kemampuan adaptasi yang cepat terhadap budaya kerja perusahaan. Program MAGENTA di PT Dahana terbukti memberikan dampak positif terhadap pengembangan kompetensi mahasiswa serta memperkuat hubungan kemitraan antara perguruan tinggi dan dunia industri.
Adsorption Ni(II) on Magnetic Fulvic Acid-Chitosan: Kinetics and Isotherm Study Raihansyah Raja Hutama; Audrey Nur Aisyah; Azzahra Sandri; Mayang Fauziah Putri Kuntjahjono; Sultan Napoleon; Yusuf Bramastya Apriliyanto; Nugroho Adi Sasongko; Rahmat Basuki
Sorption Studies Vol. 1 No. 1 (2025): Sorption Studies, Vol. 1 No. 1 June 2025
Publisher : Indonesian Scholar Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55749/ss.v1i1.79

Abstract

Indonesia, as one of the most populous countries in the world, requires clean water sources. Industrial waste that is improperly discharged pollutes water bodies with hazardous metals. Adsorption is one of the effective methods for reducing the concentration of harmful metals in water. This study utilized fulvic acid extracted from goat manure compost and combined it with chitosan and magnetite as an adsorbent material for Ni(II). The FTIR results for the magnetite-fulvic acid-chitosan composite showed a peak at 1627 cm⁻¹, indicating the presence of aromatic C=C, aromatic ring -OH, and quinone C=O groups, which confirm the binding of fulvic acid. BET analysis was performed on magnetite and magnetite-fulvic acid-chitosan, and the pore volume and pore size were found to be 0.177488 cm³/g and 6.5394 nm, respectively. The composite exhibited magnetic behavior due to the attraction between the magnetite-fulvic acid-chitosan and an external magnet. Adsorption tests using isotherm and kinetic models revealed that Ni(II) adsorption followed a multilayer mechanism and pseudo-second-order kinetics, with a b value of 121.68 mg/g and an experimental qe of 6.28 × 10⁻⁵ mol/g. This shows that the magnetite-fulvic acid-chitosan composite is a promising, sustainable, and magnetically separable adsorbent for the effective removal of nickel ions from contaminated water.
Co-Authors Alivia, Latisa Stefi Ananda, Dea Dwi Anggara, Adrian Rezki Anggi Khairina H H ANGGI KHAIRINA HANUM HASIBUAN Anitasari, Reza Arief Budi Santiko, Arief Budi ARIYANTI, DITA Audrey Nur Aisyah Aura Puja Lestari Azimatur Rahmi Azzahra Sandri Bolilanga, Patricya Inggrid Wilhelmina Cahyorini Kusumawardani Dewi Anggraini S Elva Stiawan Fahri, Mirad Gunaryo Gunaryo, Gunaryo Haidar, Muhammad Hilman Ida Ayu Putu Sri Widnyani Istiqomah, Tiara Jati, Andreas Ary Chrisna Kurniadi, Tedi Lazuardy, Ardyan Lestari, Aura Puja M. Sulthon Nurharmansyah P Mayang Fauziah Putri Kuntjahjono Mayori, Ersha Mentari Zikri Anty Minandre Wiratama Mirad Fahri Moch. Rizki Fajri Nareswari, Vania Agatha Noviyan Darmawan Nugroho Adi Sasongko Nugroho Sasongko Jati, Nugroho Sasongko Nurrosyid, Naufan Prasojo, Agus Eko Putra, M. Sulthon Nurharmansyah Putri, Riyanti Rahmat Basuki Rahmat Basuki Rahmawati, Fani Raihansyah Raja Hutama Salsabila, Fidela Aurellia Sandri, Azzahra Septaningsih, Dewi Sulistioso Giat Sukaryo Sultan Napoleon Tedi Kurniadi Tiarani, Sekar Ilma Wiana, Regita Andriani Yunita, Amalia