588
M. Maccagni and E. Guerrini
CX®
Breaking &
separaƟon
DesulphurizaƟon
and neutralizaƟon
of the electrolyte
Na
2 SO
4 soluƟon
purificaƟon
CrystallizaƟon
Grids furnace
Baeries
Paste
Electrolyte
Desulphurized
paste
Grids & posts
Na
2 SO
4
solu
Separators
Polypropylene
Sulphide
sludge
Na
2 SO
4
crystals
Pb
bullion
An Pb
Refinery
So Pb
Pb alloys
Slag
Smel addi
Scrubber
Refinery
baghouse
Ashes
treatment
Ashes
Foundry
baghouse
Rotary furnace
Purified
Na
2 SO
4
solu
Fig. 3
CX ®
simplified process block diagram: possible simplification