9. Recycling
9.1 Niobium
When steel is recycled, the widely distributed niobium is not recovered as such. It is estimated that the American steel industry recycles around 20% of niobium.
However, 12% of the niobium contained in niobium-based superalloys or alloys is recovered
The size of niobium resources and the wide dispersion of niobium in steels do not contribute to increasing the recovery effort.
9.2 Tantalum
External recovery (return to transformers) is...
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Recycling
Conclusion
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