Bioweathering Using Shewanella oneidensis MR-1 Enhances Recovery of Rare Earth Elements from Alaskan Coal Mines
Ankur Sachan,
Subhabrata Dev,
Tathagata Ghosh
et al.
Abstract:Alaskan coal mines with high rare
earth element (REE) levels (286–524
mg/kg) serve as an alternative domestic REE source. Existing leaching/separation
technologies require hazardous chemicals to recover REEs from the
feedstock with multiple downstream purification stages, increasing
the overall operational cost. This study aims at bioweathering coal
from two Alaskan coal mines (Wishbone Hill and Healy) at three specific
gravity fractions (1.3 float and 1.3 and 1.5 sink) using Shewanella oneidensis MR-1 for ach… Show more
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