Pengaruh Penambahan Pektin Terhadap Ekstraksi Logam Nikel dari Mineral Laterit Hasil Heap Leaching Asam Klorida dengan Menggunakan Ligan Salisilaldoksim = Effect of Pectin Addition on Nickle Extraction from Laterite Mineral Product of Hydrochloride Acid Heap Leaching with Salicylaldoxime

Implementasi program inspeksi berbasis risiko dan penentuan sisa usia pada jalur pipa uap pembangkit listrik tenaga panas bumi (PLTP) unit A Kamojang menggunakan metode API 581 = Implementation of risk based inspection program and pipeline remaining life measurement on the steam pipeline in geothermal power plant (GPPs) unit A Kamojang using API 581 method

Analisis Hasil Inspeksi untuk Penentuan Risk-Based Inspection pada Proses Piping API 5 L dengan Metoda Based Resource Document di Industri Tambang Emas PT X = Analysis of Inspection Results for Risk-Based Inspection Determination in the API 5 L Piping Process Using Based Resource Document Methods in the PT X Gold Mining Industry

Ekstraksi ion lantanum (III) dari pasir silika dengan metode heap leaching asam sulfat menggunakan ligan asam fitat = Lanthanum extraction from silica sand with heap leaching method using phytic acid ligands

Optimalisasi pelindian emas dari bijih sulfida tinggi hasil penambangan daerah Bolaang Mongondow, Sulawesi Utara pada larutan chloride-hypochlorite dengan variabel rasio solid/liquid dan temperatur = Optimalization of chloride-hypochlorite leaching for bolaang Mongdow's native sulphide ore with variation of solid liquid ratio and temperature variable