Rare Earth Element Extraction from Ionic Rare Earth Ores by Two Typical Acidogenic Microorganisms, Aspergillus niger and Acidithiobacillus ferrooxidans

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(5), P. 1986 - 1986

Published: Feb. 25, 2025

Ionic rare earth ore (IREO) has a high abundance of medium and heavy elements (REEs), making it vital strategic resource for China. In this work, two typical microorganisms, Aspergillus niger Acidithiobacillus ferrooxidans, were used to study the interaction mechanism during bioleaching IREO under acidic conditions. The results revealed some differences in leaching effects A. ferrooxidans on ionic minerals. mainly forms complexes with ions by secreting metabolites such as organic acids, thereby promoting release REEs, strong adsorption capacity Yb. promotes REEs from minerals, primarily through iron-sulfur oxidation. differential expression metabolic genes (e.g., gpmL, FabF, FASN) associated major metabolite secretion indicates their correlation process. above reveal role acid-producing microorganisms IREO, which is valuable understanding mechanisms between

Language: Английский

Efficient two-step separation of vanadium, scandium, and heavy rare-earth elements from gallium and germanium in high-value fly ash: Coupling solid-phase and solvent extraction

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 133713 - 133713

Published: May 1, 2025

Language: Английский