466
M. Kaya et al.
Table 9
Comparison of metal dissolutions with 1.0 M FA at S/L ratio of 1/10 for different leaching temperatures
Formic acid (FA)
40 °C
1.0 M
1/10
60 °C
1.0 M
1/10
80 °C
1.0 M
1/10
Time
Zn
Pb
Fe
Zn
Pb
Fe
Zn
Pb
Fe
30 min
62.1
3
0
74.0
2
0
75.9
2
0
60 min
65.4
4
0
80.1
2
0
78.3
3
0
120 min
78.1
2
0
82.3
3
0
80.2
4
0
180 min
76.3
2
0
82.6
2.8
0
82.3
4.3
0
PLS
73.2
1
0
78.5
3
0
77.9
3
0
M. Kaya et al.
Table 9
Comparison of metal dissolutions with 1.0 M FA at S/L ratio of 1/10 for different leaching temperatures
Formic acid (FA)
40 °C
1.0 M
1/10
60 °C
1.0 M
1/10
80 °C
1.0 M
1/10
Time
Zn
Pb
Fe
Zn
Pb
Fe
Zn
Pb
Fe
30 min
62.1
3
0
74.0
2
0
75.9
2
0
60 min
65.4
4
0
80.1
2
0
78.3
3
0
120 min
78.1
2
0
82.3
3
0
80.2
4
0
180 min
76.3
2
0
82.6
2.8
0
82.3
4.3
0
PLS
73.2
1
0
78.5
3
0
77.9
3
0