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Vor 4 Tagen · The rare earth content in the water-washing slag decreased first and then increased with the increasing mass ratio, corresponding to the increased in the rare earth yield first and then decreased. The lowest rare earth content in water-washing slag was 0.24%, and the highest rare earth yield was 97.08% obtained at a mass ratio of 1:2.
Vor einem Tag · Rare earth elements (REEs) are critical for our modern lifestyles and the transition to a low-carbon economy. Recent advances in our understanding of the role of REEs in biology, particularly methylotrophy, have provided opportunities to explore biotechnological innovations to improve REE mining and recycling.
Vor 4 Tagen · For rare-earth-free elements, the top five elements are Zn, Al, Mn, Zr, and Ca, with the sample size over 150. However, since the Zr fraction in the alloys is mostly less changed, the Zr element is not chosen as a key feature in this work. The Al and Zn elements are the key compositions in the commercial Mg alloys.
Vor 4 Tagen · May 31, 2024. SMM brings you LME, SHFE, COMEX real-time Rare Earth Metals prices and historical Rare Earth Metals price charts.
Vor einem Tag · In the chondrite-normalized rare-earth element pattern diagram for the rhyodacite/rhyolites (Figure 6a), a pronounced differentiation in rare-earth elements can be observed. The ratio of (La/Yb) N ranges from 3.30 to 22.59, indicating a relative enrichment of light rare-earth elements (LREEs) and depletion of heavy rare-earth elements (HREEs).
Vor 3 Tagen · Rare Earth argues that complex life cannot exist on large gaseous planets like Jupiter and Saturn (top row) or Uranus and Neptune (top middle) or smaller planets such as Mars and Mercury. The Rare Earth hypothesis argues that life requires terrestrial planets like Earth, and since gas giants lack such a surface, that complex life cannot arise ...
Vor 4 Tagen · This study focuses on the difficulty of converting fluorinated rare earth elements into hydroxylated rare earth elements in rare earth melt electrolysis slag (RMES) and proposes the use of a microwave-assisted atmospheric alkaline leaching method for the treatment of RMES. The leaching behavior of RMES under microwave-assisted atmospheric alkaline leaching was studied, and the optimal reaction ...
