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All Journal Tech : Journal of Engineering Science Jurnal “Applied geo-mining and metallurgy”
Fahny Ardian
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Energy Engineering

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Perbandingan Ekstraksi Nikel Non-Sulfida dengan Teknik Sulfidasi dalam Upaya Peningkatan Ekstraksi Nikel pada Crude di PT X Muhamad Ismatulloh; Fahny Ardian; Gabriel Ricardo Ananda Putra
Tech : Journal of Engineering Science Vol 1 No 1 (2025): Pengembangan dan Penerapan Solusi Rekayasa untuk Tantangan Lingkungan, Industri,
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/tech.v1i1.316

Abstract

Improving the efficiency and selectivity of nickel extraction is essential to meet increasing industrial demands and reduce processing costs. This study aims to compare the effectiveness of non-sulfide and sulfidation methods for nickel extraction from crude nickel ore. The extraction processes were conducted using Electric Furnace Units 5, 6, 7, and 8, which operate under the Rotary Kiln-Electric Furnace (RKEF) technology. The results show that Furnaces 5 and 6, which applied the non-sulfide method, produced low-grade ferronickel. In contrast, Furnaces 7 and 8, where sulfur was added (sulfidation process), successfully formed nickel sulfide (Ni₃S₂). This comparison indicates that sulfur addition in the extraction process can enhance the formation of more specific nickel compounds. However, further evaluation is required to assess the efficiency and environmental impact of both methods.
PERBEDAAN TEKNIK SULFIDASI PADA PT X DENGAN PT VALE TBK DALAM UPAYA PENINGKATAN EKSTRAKSI NIKEL PADA CRUDE MUHAMAD ISMATULLOH; Fahny Ardian; Gabriel Ricardo Ananda Putra
Journal PEP Bandung Vol 2 No 1 (2025): Journal Applied Geo-Mining and Metallurgy
Publisher : PEP Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65706/gm.v2i1.22

Abstract

Penelitian ini melakukan analisis komparatif terhadap teknik sulfidasi yang diterapkan di PT X dan PT Vale Tbk untuk meningkatkan ekstraksi nikel dari bahan mentah. Hasil penelitian menunjukkan adanya perbedaan pendekatan yang signifikan di kedua perusahaan. PT X menambahkan serbuk sulfur selama proses tapping pada tungku 7 dan 8, sedangkan PT Vale Tbk menggunakan kombinasi HSFO dan sulfur cair dalam rotary kiln selama tahap kalsinasi. Hasil penelitian menunjukkan perbedaan yang nyata dalam tingkat pemulihan nikel, dengan PT Vale Tbk mencapai rata-rata persentase nikel yang lebih tinggi sebesar 28,00% dibandingkan dengan 23,24% di PT X. Studi ini menggarisbawahi pengaruh signifikan teknik sulfidasi terhadap efisiensi ekstraksi nikel dan menyoroti potensi untuk optimasi lebih lanjut.
Co-Authors Gabriel Ricardo Ananda Putra Muhamad Ismatulloh Muhamad Ismatulloh