466 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-3.0/+1.5 production test
no preconcentration
La
Ce
Pr
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-3.0/+1.5 production test
(REE)(PO4)
MNC
FeC
MgC
CaC
FLU
no preconcentration
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-1.5/+0.5 production test
(REE)(PO4)
MNC
FeC
MgC
CaC
FLU
no preconcentration
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-3.0/+1.5 production test
no preconcentration
Nd
Sm
Gd
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-1.5/+0.5 production test
no preconcentration
La
Ce
Pr
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-1.5/+0.5 production test
no preconcentration
Nd
Sm
Gd
Figure 12. Cumulative recovery vs. mass pull curves for selected elements and mineral components of production tests with
–3.0/+1.5 and –1.5/+0.5 size fractions of the REE ore
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-3.0/+1.5 production test
no preconcentration
La
Ce
Pr
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-3.0/+1.5 production test
(REE)(PO4)
MNC
FeC
MgC
CaC
FLU
no preconcentration
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-1.5/+0.5 production test
(REE)(PO4)
MNC
FeC
MgC
CaC
FLU
no preconcentration
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-3.0/+1.5 production test
no preconcentration
Nd
Sm
Gd
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-1.5/+0.5 production test
no preconcentration
La
Ce
Pr
0 20 40 60 80 100
0
20
40
60
80
100
Mass Pull (%)
-1.5/+0.5 production test
no preconcentration
Nd
Sm
Gd
Figure 12. Cumulative recovery vs. mass pull curves for selected elements and mineral components of production tests with
–3.0/+1.5 and –1.5/+0.5 size fractions of the REE ore
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)
Cumulative
Recovery
(%)