Recovery of Indium and Germanium from Residues of Zinc Plants

Iris Winberg (Corresponding author), Petteri Kangas, Lotta Rintala, Pertti Koukkari, M Drzazga, K Klejnowska, R Prajsnar

Research output: Contribution to conferenceConference articleScientific

Abstract

Two optional process concepts for recovering indium and germanium from the zinc process residues are presented: i) RIGAT process where two-lead bearing alloys from Imperial Smelting Process are treated, and ii) Jarogain process where side-streams (e.g. jarosite and gothite) from RLE (Roasting-Leaching-Electrowinning) are processed. A techno-economic assessment was performed for both processes. Additionally, a literature review of the indium, germanium and tin markets was conducted, with the main purpose to provide a background for the metals which market prices the profitability of an investment in the process relies on. The proposed concepts were simulated to provide mass and energy balances for the processes. The mass distribution of elements obtained from pilot-scale experiments performed by the research institutes IMN and VTT, was used as input data in the process simulation. Using the mass balances obtained from the simulation, the main equipment required for the processes were dimensioned. The capital cost, the operational costs and the revenue for the process were estimated and using these, the net present value of the investment was calculated for a period of 20 years. A sensitivity analysis was conducted by varying the estimation of metal prices and selected costs and studying its impact on the net present value. Both of the proposed processes are interesting options for recovering indium and germanium from the secondary sources.
Original languageEnglish
Publication statusPublished - 6 Feb 2019
MoE publication typeNot Eligible
EventKonferens i Mineralteknik 2019 - Luleå, Sweden
Duration: 5 Feb 20196 Feb 2019

Conference

ConferenceKonferens i Mineralteknik 2019
CountrySweden
CityLuleå
Period5/02/196/02/19

Fingerprint

Germanium
Indium
Zinc
Recovery
Bearings (structural)
Electrowinning
Costs
Smelting
Energy balance
Metals
Tin
Leaching
Sensitivity analysis
Profitability
Lead
Economics
Experiments

Cite this

Winberg, I., Kangas, P., Rintala, L., Koukkari, P., Drzazga, M., Klejnowska, K., & Prajsnar, R. (2019). Recovery of Indium and Germanium from Residues of Zinc Plants. Paper presented at Konferens i Mineralteknik 2019, Luleå, Sweden.
Winberg, Iris ; Kangas, Petteri ; Rintala, Lotta ; Koukkari, Pertti ; Drzazga, M ; Klejnowska, K ; Prajsnar, R. / Recovery of Indium and Germanium from Residues of Zinc Plants. Paper presented at Konferens i Mineralteknik 2019, Luleå, Sweden.
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Winberg, I, Kangas, P, Rintala, L, Koukkari, P, Drzazga, M, Klejnowska, K & Prajsnar, R 2019, 'Recovery of Indium and Germanium from Residues of Zinc Plants' Paper presented at Konferens i Mineralteknik 2019, Luleå, Sweden, 5/02/19 - 6/02/19, .

Recovery of Indium and Germanium from Residues of Zinc Plants. / Winberg, Iris (Corresponding author); Kangas, Petteri; Rintala, Lotta; Koukkari, Pertti; Drzazga, M; Klejnowska, K; Prajsnar, R.

2019. Paper presented at Konferens i Mineralteknik 2019, Luleå, Sweden.

Research output: Contribution to conferenceConference articleScientific

TY - CONF

T1 - Recovery of Indium and Germanium from Residues of Zinc Plants

AU - Winberg, Iris

AU - Kangas, Petteri

AU - Rintala, Lotta

AU - Koukkari, Pertti

AU - Drzazga, M

AU - Klejnowska, K

AU - Prajsnar, R

PY - 2019/2/6

Y1 - 2019/2/6

N2 - Two optional process concepts for recovering indium and germanium from the zinc process residues are presented: i) RIGAT process where two-lead bearing alloys from Imperial Smelting Process are treated, and ii) Jarogain process where side-streams (e.g. jarosite and gothite) from RLE (Roasting-Leaching-Electrowinning) are processed. A techno-economic assessment was performed for both processes. Additionally, a literature review of the indium, germanium and tin markets was conducted, with the main purpose to provide a background for the metals which market prices the profitability of an investment in the process relies on. The proposed concepts were simulated to provide mass and energy balances for the processes. The mass distribution of elements obtained from pilot-scale experiments performed by the research institutes IMN and VTT, was used as input data in the process simulation. Using the mass balances obtained from the simulation, the main equipment required for the processes were dimensioned. The capital cost, the operational costs and the revenue for the process were estimated and using these, the net present value of the investment was calculated for a period of 20 years. A sensitivity analysis was conducted by varying the estimation of metal prices and selected costs and studying its impact on the net present value. Both of the proposed processes are interesting options for recovering indium and germanium from the secondary sources.

AB - Two optional process concepts for recovering indium and germanium from the zinc process residues are presented: i) RIGAT process where two-lead bearing alloys from Imperial Smelting Process are treated, and ii) Jarogain process where side-streams (e.g. jarosite and gothite) from RLE (Roasting-Leaching-Electrowinning) are processed. A techno-economic assessment was performed for both processes. Additionally, a literature review of the indium, germanium and tin markets was conducted, with the main purpose to provide a background for the metals which market prices the profitability of an investment in the process relies on. The proposed concepts were simulated to provide mass and energy balances for the processes. The mass distribution of elements obtained from pilot-scale experiments performed by the research institutes IMN and VTT, was used as input data in the process simulation. Using the mass balances obtained from the simulation, the main equipment required for the processes were dimensioned. The capital cost, the operational costs and the revenue for the process were estimated and using these, the net present value of the investment was calculated for a period of 20 years. A sensitivity analysis was conducted by varying the estimation of metal prices and selected costs and studying its impact on the net present value. Both of the proposed processes are interesting options for recovering indium and germanium from the secondary sources.

M3 - Conference article

ER -

Winberg I, Kangas P, Rintala L, Koukkari P, Drzazga M, Klejnowska K et al. Recovery of Indium and Germanium from Residues of Zinc Plants. 2019. Paper presented at Konferens i Mineralteknik 2019, Luleå, Sweden.