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9. Recycling
Antimony recycling is mainly linked to antimony-lead recycling, most of which comes from secondary lead smelters: these are produced by smelting together used battery plates, antifriction alloys and lead scraps with varying levels of antimony.
The mixture of these various elements is homogenized and refined in a small shaft furnace (1 to 5 m long, 1 to 2 m wide), a short rotary furnace (5 m long, 3.5 m in diameter) or a BSF (Bath Smelting Furnace). Decoking takes place by sulfidation, with impurities then oxidized by oxygen-enriched air
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1. Antimony mining and recycling
China is by far the world's leading antimony producer (table 1 ), accounting for 90% of global production in 2014, compared with 87% in 2001 [19]. The severe flooding in 2004, which temporarily shut down the main Hunan mines and forced China to temporarily...
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