Ausmelt
Tin Technology is used to produce high quality crude
tin directly from concentrates and secondary materials,
suitable for conventional refining. Tin is also recoverable
as a rich fume containing 60 to 75% Sn from the fuming
of tin slags and other low-grade tin sources.
Two
major commercial smelters currently operate Ausmelt
Tin Technology. The Ausmelt tin smelter installed
by Minsur
in Peru has been in operation since 1996 and produces
over 35,000 tonnes of high-grade crude tin for refining,
almost double the design throughput. The second tin
smelter, at Yunnan
Tin, was commissioned in 2002 and produces approximately
25,000 tonnes of crude tin.
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