Studi Pengaruh Kadar Nikel dan Besi terhadap Densitas Slag Nikel Untuk Optimasi Prediksi Slag Level di Electric Furnace PT. Vale Indonesia, Tbk = Study of the Effect of Nickel and Iron Content on Nickel Slag Density to Optimizing The Slag Level Prediction in Electric Furnace PT Vale Indonesia, Tbk

Pengaruh penambahan natrium hidroksida (NaOh) terhadap pirometalurgi terak nikel dengan perbedaan temperatur dan rasio aditif = The effect of (NaOh) natrium hydroxide to slag nickel pyrometallurgy in different temperature and additive ratio

Studi Pengaruh Kekuatan Magnet Terhadap %Recovery Nikel Matte pada Optimasi HAP Magnetic Separator sebagai Metode Penanganan Produk Undersize Granulasi DI PT. Vale Indonesia, Tbk. = Study Relation of Magnetic Power on %Recovery Nickel Matte on Optimization of HAP Magnetic Separator as a Method of Undersize Granulation Product Handling at PT. Vale Indonesia, Tbk.

Studi pengaruh kadar pH terhadap pengambilan Ni dan Co pada ekstraksi terak nikel melalui proses double stage leaching = Study of pH effect on extract Ni and Co in nickel slag extraction with double stage leaching

Pemodelan dan estimasi sumberdaya nikel laterit menggunakan metode ordinary kriging di PT Vale Indonesia Tbk, Sorowako, Kecamatan Nuha Kabupaten Luwu Timur, Provinsi Sulawesi Selatan = Modeling and estimation of nickel laterite resources using ordinary kriging method at PT Vale Indonesia Tbk, Sorowako, Nuha District, East Luwu Regency, South Sulawesi Province