Efficient extraction of valuable metals from spent LiNi0. 5Co0. 2Mn0. 3O2 cathode based on an acid-free leaching process

X Jin, X Zhang, P Zhang, S Rohani, H Li, M He, L Teng… - Hydrometallurgy, 2024 - Elsevier
The traditional liquid acid leaching method for recycling spent lithium-ion batteries (LIBs)
has serious environmental pollution and unsafe transportation. In this study, solid sodium …

Complete gold extraction and recovery from double refractory gold ores by thiourea after bio-oxidation

K Sasaki, I Suyama, R Takimoto, KT Konadu… - Hydrometallurgy, 2024 - Elsevier
Cyanidation, a conventional process to extract gold from gold ores, has been used for over
130 years in industrial mining because of the high efficiency and rate of formation of Au (CN) …

Trace Analysis of Au in Carbonaceous Gold Ores by Inductively Coupled Plasma Optical Emission Spectrometry and Mass Spectrometry

I Suyama, DM Mendoza, T Kaneta… - MATERIALS …, 2024 - jstage.jst.go.jp
Trace analysis for Au contents in three different gold ores was investigated from aspects of
acid digestion conditions of ore samples, the analytical techniques of Au determination, and …