TY - GEN
T1 - The effect of leaching time and concentration of sulfuric acid on increasing nickel and cobalt content from ferronickel slag waste after alkaline fusion using sodium carbonate
AU - R., Arryan Jibril
AU - Santoso, Prinanda Doni
AU - Prasetyo, Agus Budi
AU - Maksum, Ahmad
AU - Ulum, Reza Miftahul
AU - Soedarsono, Johny Wahyuadi
N1 - Funding Information:
The authors also wish to thank the Ministry of Research Technology and Higher Education and Directorate of Research and Community Engagement, University of Indonesia, under PIT9 Research Grants with Contract No. NKB-0062/UN2.R3.1/HKP.05.00/2019 for the financial support of this research.
Publisher Copyright:
© 2020 Author(s).
PY - 2020/9/3
Y1 - 2020/9/3
N2 - Ferronickel slag is a secondary product from nickel ore smelting that containing many valuable metals such as nickel, cobalt, iron, even rare earth elements. This research is conducted to become the solution to the environmental issues that happened because of this slag and the valuable metals that wasted because there is no further processing of the slag. In this experiment, ferronickel slag is first given an alkaline fusion using sodium carbonate to remove silica that has a big amount in the slag and followed by the hot water leaching to separate the silica. Then, the hydrometallurgy process is started using the sulfuric acid with various concentrations such as 0.2M, 0.4M, 0.6M and 0.8M with the various time that is 15, 30, 60, 90 and 120 minutes to get the most effective condition to dissolve the nickel. The sample and result of this experiment are characterized by Inductively Coupled Plasma process to know how much the nickel and cobalt dissolve and can be collected to become a new product. Sample characterization showed the presence of Ni 0.1013% and Co 0.0041% The result of this research is 0.2M H2SO4 and 15 minutes of leaching is the best condition to make the highest % of nickel extraction.
AB - Ferronickel slag is a secondary product from nickel ore smelting that containing many valuable metals such as nickel, cobalt, iron, even rare earth elements. This research is conducted to become the solution to the environmental issues that happened because of this slag and the valuable metals that wasted because there is no further processing of the slag. In this experiment, ferronickel slag is first given an alkaline fusion using sodium carbonate to remove silica that has a big amount in the slag and followed by the hot water leaching to separate the silica. Then, the hydrometallurgy process is started using the sulfuric acid with various concentrations such as 0.2M, 0.4M, 0.6M and 0.8M with the various time that is 15, 30, 60, 90 and 120 minutes to get the most effective condition to dissolve the nickel. The sample and result of this experiment are characterized by Inductively Coupled Plasma process to know how much the nickel and cobalt dissolve and can be collected to become a new product. Sample characterization showed the presence of Ni 0.1013% and Co 0.0041% The result of this research is 0.2M H2SO4 and 15 minutes of leaching is the best condition to make the highest % of nickel extraction.
KW - Alkaline Fusion
KW - Ferronickel Slag
KW - HSO
KW - Hydrometallurgy
KW - NaCO
UR - http://www.scopus.com/inward/record.url?scp=85092039492&partnerID=8YFLogxK
U2 - 10.1063/5.0014051
DO - 10.1063/5.0014051
M3 - Conference contribution
AN - SCOPUS:85092039492
T3 - AIP Conference Proceedings
BT - 4th International Tropical Renewable Energy Conference, i-TREC 2019
A2 - Kusrini, Eny
A2 - Nugraha, I. Gde Dharma
PB - American Institute of Physics Inc.
T2 - 4th International Tropical Renewable Energy Conference 2019, i-TREC 2019
Y2 - 14 August 2019 through 16 August 2019
ER -