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Mecanismo electroquímico en minerales sulfurados<br />
( Woods, 1976; Woods et al, 1997; Buckley and Woods,1997, Yuan et al. 1996)<br />
Rx. Anódica:<br />
• 2X - X 2 + 2é (1)<br />
• MS + 2X - MX 2 + S 0 + 2é (2)<br />
• X - X ads + é (3)<br />
Rx. Catódica<br />
• 1/2O 2 + 2H + + 2é H 2 O (4)<br />
(1)-(4)<br />
(2)-(4)<br />
(3)-(4)<br />
M<br />
S<br />
M<br />
X -<br />
O 2<br />
X 2 +2é<br />
H 2<br />
O<br />
M<br />
S<br />
M<br />
MX 2<br />
S 0<br />
M<br />
S X ads<br />
M<br />
S<br />
S<br />
Capa mixta<br />
S X ads
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