XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3 643
ECA1-A2
ECA3
0.00
0.02
0.04
0.06
0.08
0.10
0.12
22
Feb
23.
01
Mar
23.
01
Mar
23.
03
Mar
23.
05
Mar
23.
06
Mar
23.
15
Mar
23.
17
Mar
23.
19
Mar
23.
20
Mar
23.
21
Mar
23.
26
Mar
23.
27
Mar
23.
27
Mar
23.
27
Mar
23.
Total As- Green Sands Effluent
As T GS Product ECA 1 A2 ECA 3
Figure 21. Arsenic in sand filter discharge
ECA1-A2
ECA3
0.00
0.50
1.00
1.50
2.00
2.50
22
Feb
23.
01
Mar
23.
01
Mar
23.
03
Mar
23.
05
Mar
23.
06
Mar
23.
15
Mar
23.
17
Mar
23.
19
Mar
23.
20
Mar
23.
21
Mar
23.
26
Mar
23.
27
Mar
23.
27
Mar
23.
27
Mar
23.
Total Cu- Green Sands Effluent
Cu T GS Product ECA 1 A2 ECA 3
Figure 22. Copper in sand filter discharge
ECA1-A2 =ECA3
0.00
1.00
2.00
3.00
4.00
5.00
6.00
22
Feb
23.
01
Mar
23.
01
Mar
23.
03
Mar
23.
05
Mar
23.
06
Mar
23.
15
Mar
23.
17
Mar
23.
19
Mar
23.
20
Mar
23.
21
Mar
23.
26
Mar
23.
27
Mar
23.
27
Mar
23.
27
Mar
23.
Total Al- Green Sands Effluent
Al T GS Product ECA 1 A2 ECA 3
Figure 23. Aluminium in sand filter discharge
mg/L
ppm
ppm