Enhanced cementation of gold ions via synergistic effect using activated carbon and zerovalent aluminum: A novel approach to recover gold ions from ammonium thiosulfate system

2020 年度 研究成果報告書

• 研究課題/領域番号: 19K24378
• 研究種目: 研究活動スタート支援
• 配分区分: 基金
• 審査区分: 1101:環境解析評価、環境保全対策およびその関連分野
• 研究機関: 北海道大学
• 研究代表者: JEON SANGHEE 北海道大学, 工学研究院, 特任助教 (20847701)
• 研究期間 (年度): 2019-08-30 – 2021-03-31
• キーワード: Ammonium thiosulfate / Gold / Cementation / Aluminum / Activated carbon / Galvanic interaction / Recovery of gold ions

研究成果の概要

The main achievement of this project is; successful recovery technique for gold ions from the eco-friendly solution, ammonium thiosulfate, with simple and high efficiency was newly developed to eliminate the challenges of poor recovery of the system.

自由記述の分野

Hydrometallurgy

研究成果の学術的意義や社会的意義

Currently in metallurgy, the focus is on green mining with non-toxic solution, but the application of the system to industrial mining is elusive so far due to the limited recovery technique. In the project, a simple recovery technique was newly developed and >99% of Au ions can be recovered.