752
C. Zschiesche and I. Bauer
Table 3
Kettle setup for subsequent refining step
Kettle
K1
K2
K3
K4
K5
K6
K7
(2018)
K8
K9
Step
Melting—de-drossing Te/Sn-removal
De-copperization
Antimony
removal
Buffer
De-silvering
De-zincing
De-bismuthing
Softening
preparation
and casting
of fine lead
Oxidation
of bi-foam
Casting of
PbBi alloy