Vacuum dezincing?

[Castlead]

Interesting pdf on vacuum dezincing
http://www.cfd.com.au/cfd_conf03/pyrometallurgy.htm
Warning contains science info. It may make your brain hurt.

[bumpo628]

Hmmm...
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and I'm out.

[John Boy]

Interesting process but the cost setup for the home casters is prohibitive