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Prosiding Dataverse (LIPI)
Percobaan Peleburan Langsung Bijih Nikel Laterit Kadar Rendah Untuk Pembuatan Npi (Nickel Pig Iron) Dalam Skala Laboratorium
Version 1.3
Prasetyo, Agus Budi; Prasetiyo, Puguh, 2018, "Percobaan Peleburan Langsung Bijih Nikel Laterit Kadar Rendah Untuk Pembuatan Npi (Nickel Pig Iron) Dalam Skala Laboratorium", https://hdl.handle.net/20.500.12690/RIN/XSAEKQ, RIN Dataverse, V1
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Description

Telah dilakukan percobaan peleburan langsung terhadap bijih nikel laterit jenis limonit, saprolit maupun campuran antara limonit dengan saprolit. Bijih nikel laterit ini berasal dari daerah Sangaji, Halmahera. Preparasi dilakukan terhadap bijih nikel laterit tersebut dengan tahapan peremukan dan penggerusan untuk mendapatkan ukuran butir yang diharapkan yaitu -80. Peremukan dilakukan dengan menggunakan crusher sedangkan untuk penggerusan dengan menggunakan disk mill. Prosedur percobaan diawali dengan pembuatan pelet dari masing-masing jenis bijih nikel dengan penambahan reduktor dan bentonit. Pembuatan pelet tersebut dilakukakn dengan menggunakan alat peletizing. Hasil pellet tersebut kemudian dimasukkan kedalam krusibel grafit salamander dengan berat masing-masing 100 gram pelet. Peleburan dilakukan menggunakan muflle furnace nabbertherm. Peleburan dilakukan pada temperature 1500 oC dengan variasi lama waktu peleburan yaitu 1, 1,5, dan 2 jam. Hasil yang didapatkan dari peleburan ini berupa logam NPI dan slag. Logam NPI ini kemudian dianalisa dengan menggunakan Spark Oes untuk mengetahui kadar logam Ni maupun Fe. tinggi.

Prosiding Sintesa Upt BPML Lampung

ISSN: 978-602-18926-2-6

(2014)
Subject Chemistry
Keyword Nikel laterit, Limonit, Saprolit, Peleburan Langsung, NPI
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