XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3 3617
Feed
Pb Roughing
Pb Cleaning
Pb Scavenging
2 SBX 50 DDTC 45 No.2 Oil 16
2
3 ZnSO4 200
6
4
3
6
3 ZnSO4 1500
6
2
2 DDTC 10
4
3 ZnSO4 300
Pb Cleaning
3
3
Pb Cleaning
3
3
CaO 1000
2 SBX 80 No.2 Oil 16
CuSO
4 300
Zn Roughing
Zn Cleaning Zn Scavenging
2
6
4 4
4
SBX 20
SBX 10 2
Zn Scavenging
Grind 70% passing 0.074mm
Pb Conc
ZnSO4 100
CaO 400
CaO 3000
SBX 20 DDTC 15
CaO 600
3
3
3 CaO 200
Zn Cleaning
3 CaO 100
Zn Cleaning
Zn Conc
3 CaO 400
3 ZnSO4 500
3 CaO 1000
3 ZnSO
4 300
3 CaO 500
DDTC 5
3
Pb Cleaning
3 ZnSO4 100
Tailing
3 CuSO4 20
SBX 5 2
pH=11.50
pH=11.50
90.63% passing 0.038mm
77.91% passing
0.038mm
Regrind
Regrind
3 SN-9 45
Legend:
Conditioning
time: min
Reagents and
dosage, g/t
The same hereinafter.
Pb Scavenging
Figure 5. Flowsheet of locked-cycle flotation tests
Table 4. Results of locked-cycle flotation test
Products
Operation
Yield, %
Grade, %Operation Recovery, %
Pb Zn Pb Zn
Pb concentrate 1.92 52.66 9.33 65.67 2.77
Zn concentrate 12.28 1.76 48.75 14.04 92.59
Tailing 85.80 0.36 0.35 20.29 4.64
Feed 100.00 1.54 6.47 100.00 100.00