Analisis pengaruh konsentrasi larutan FeCl3 dan waktu Leaching terhadap reduksi logam tembaga dari bijih Chalcopyrite dengan metode Hydrometallurgy = Analysis of FeCl3 concentration and leaching time effect to reduction of copper from Chalcopyrite ore with Hydrometallurgy method

Optimalisasi Teknologi Pemulihan Neodymium Dari Serbuk Magnet Nd-Fe-B Bekas Melalui Kombinasi Aktivasi Mechanochemical Dan Hidrometalurgi: Pengaruh Komparatif Reagen Asam Sitrat dan Asam Oksalat = Optimization of Neodymium Recovery Technology from Used NdFe-B Magnet Powder Through Combination of Mechanochemical Activation and Hydrometallurgy: Comparative Effect of Citric Acid and Oxalic Acid Reagents

Studi Peningkatan Kadar Aluminium dari Abu Dasar (Bottom Ash) PLTU XYZ Menggunakan Metode Pelindian H2SO4 pada Temperatur 90 oC = Study on Increasing the Aluminium Content from Bottom Ash of Power Plant XYZ Using H2SO4 Leaching Method at 90 oC Temperature

Peningkatan kadar SnO2 dari mineral kasiterit melalui proses dekomposisi basa natrium karbonat (Na2CO3) = Extraction SnO2 of mineral cassiterite by the alkaline decomposition process with natrium carbonate (Sa2CO3) / Lia Andriyah

Pengaruh Temperatur dan Jumlah Penambahan Reduktor Arang Cangkang Kelapa Sawit Terhadap Pembentukan Logam Besi Pada Hasil Reduksi Langsung Residu Proses Hidrometalurgi = Effect of Temperature and Amount of Addition of Palm Oil Charcoal Reductant on the Formation of Iron Metal in the Result of Direct Reduction of Residues from the Hydrometallurgical Process