4
REFERENCES
Bergerman, M., Delboni, H., Nankran, M., 2009. Estudo
de variabilidade e otimização do circuito de moagem
SAG da Usina do Sossego. REM Revista da Escola de
Minas. 63 (1), 93–97.
Broadhurst, J., L., Kunene, M., C., von Blottnitz, H.,
Franzidis, J. P., 2015. Life cycle assessment of the desul-
furisation flotation process to prevent acid rock drain-
age: A base metal case study. Minerals Engineering. 76,
126–134.
Farrokhpay, S., Ndlovu, B., Bradshaw, D., 2016. Behaviour
of swelling clays versus non-swelling clays in flotation.
Minerals Engineering. 96–97, 59–66.
Güler, T., Hiçyilmaz C., Gökağaç, G., Ekmeçi, Z., 2006.
Adsorption of dithiophosphate and dithiophosphinate
on chalcopyrite. Minerals Engineering. 19, 62–71.
Huang, X., Huang, K., Jia, Y., Wang, S., Cao, Z., Zhong, H.,
2019. Investigating the selectivity of a xanthate deriva-
tive for the flotation separation of chalcopyrite from
pyrite. Chemical Engineering Science. 205, 220–229.
Jeldres, R.I., Uribeb, L., Cisternasa, L.A., Gutierrez, L.,
Leiva, W.H., Valenzuela, J., 2019. The effect of clay
minerals on the process of flotation of copper ores -A
critical review. Applied Clay Science. 170, 57–69.
amount will depend in the concentrator’s capacity on the
regrind and cleaner stages.
• Changes of the primary collector do not improve cop-
per nor silver recovery beyond lab testing variability.
• Changing the secondary collector for Hostaflot
PD‑833 can increase copper recovery by 6% with
changes in mass recovery compared to the standard
condition.
• The use of a process aid reagent such as Floticor
PD‑702 can also improve copper and silver recover-
ies by more than 14% using also Hostaflot PD‑883
as secondary collector but there is an increase of total
mass recovery of 4.3%.
• If NaSH is used for helping with clays and improve
flotation of secondary copper sulphides results for
copper and silver can rise in 18% but the mass recov-
ery also increases by 5.6%.
• Final recommended reagents will have to be deter-
mined with plant trials due to increased mass recov-
ery for both alternatives of processing aids (Floticor
PD‑702 and NaSH), but in all cases the change in
secondary collector for Hostaflot PD‑883 shows the
best performance.
Figure 6. Metallurgical results with NaSH
REFERENCES
Bergerman, M., Delboni, H., Nankran, M., 2009. Estudo
de variabilidade e otimização do circuito de moagem
SAG da Usina do Sossego. REM Revista da Escola de
Minas. 63 (1), 93–97.
Broadhurst, J., L., Kunene, M., C., von Blottnitz, H.,
Franzidis, J. P., 2015. Life cycle assessment of the desul-
furisation flotation process to prevent acid rock drain-
age: A base metal case study. Minerals Engineering. 76,
126–134.
Farrokhpay, S., Ndlovu, B., Bradshaw, D., 2016. Behaviour
of swelling clays versus non-swelling clays in flotation.
Minerals Engineering. 96–97, 59–66.
Güler, T., Hiçyilmaz C., Gökağaç, G., Ekmeçi, Z., 2006.
Adsorption of dithiophosphate and dithiophosphinate
on chalcopyrite. Minerals Engineering. 19, 62–71.
Huang, X., Huang, K., Jia, Y., Wang, S., Cao, Z., Zhong, H.,
2019. Investigating the selectivity of a xanthate deriva-
tive for the flotation separation of chalcopyrite from
pyrite. Chemical Engineering Science. 205, 220–229.
Jeldres, R.I., Uribeb, L., Cisternasa, L.A., Gutierrez, L.,
Leiva, W.H., Valenzuela, J., 2019. The effect of clay
minerals on the process of flotation of copper ores -A
critical review. Applied Clay Science. 170, 57–69.
amount will depend in the concentrator’s capacity on the
regrind and cleaner stages.
• Changes of the primary collector do not improve cop-
per nor silver recovery beyond lab testing variability.
• Changing the secondary collector for Hostaflot
PD‑833 can increase copper recovery by 6% with
changes in mass recovery compared to the standard
condition.
• The use of a process aid reagent such as Floticor
PD‑702 can also improve copper and silver recover-
ies by more than 14% using also Hostaflot PD‑883
as secondary collector but there is an increase of total
mass recovery of 4.3%.
• If NaSH is used for helping with clays and improve
flotation of secondary copper sulphides results for
copper and silver can rise in 18% but the mass recov-
ery also increases by 5.6%.
• Final recommended reagents will have to be deter-
mined with plant trials due to increased mass recov-
ery for both alternatives of processing aids (Floticor
PD‑702 and NaSH), but in all cases the change in
secondary collector for Hostaflot PD‑883 shows the
best performance.
Figure 6. Metallurgical results with NaSH