A Comparison Study of Nickel Laterite Reduction using Coal and Coconut Shell Charcoal: A FactSage Simulation

被引:1
作者
Putera, Andreas Diga Pratama [1 ,2 ]
Warmada, I. Wayan [3 ,4 ]
Amijaya, Donatus Hendra [3 ,4 ]
Astuti, Widi [5 ]
Sukadana, I. Gde [6 ]
Petrus, Himawan Tri Bayu Murti [1 ,4 ]
机构
[1] Univ Gadjah Mada, Fac Engn, Dept Chem Engn, Sustainable Mineral Proc Res Grp, Jl Grafika 2, Yogyakarta 55281, Indonesia
[2] Swinburne Univ Technol, Dept Mech & Prod Design Engn, Fluid & Proc Dynam FPD Grp, Melbourne, Vic 3122, Australia
[3] Univ Gadjah Mada, Fac Engn, Dept Geol Engn, Jl Grafika 2, Yogyakarta 55281, Indonesia
[4] Univ Gadjah Mada, Fac Engn, Unconvent Georesources Res Grp, Jl Grafika 2, Yogyakarta 55281, Indonesia
[5] Natl Res & Innovat Agcy BRIN, Res Ctr Min Technol, Km 15, South Lampung, Lampung Provinc, Indonesia
[6] Natl Res & Innovat Agcy Indonesia BRIN, Res Ctr Nucl Fuel Cycle & Radioact Waste Technol, Gedung 57 Kawasan Nukl Pasar Jumat,Kotak Pos 1810, Jakarta 12440, Indonesia
关键词
FactSage; Nickel; Pyrometallurgy; CARBOTHERMIC REDUCTION; ORE; KINETICS;
D O I
10.14716/ijtech.v14i2.5808
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Replacing metallurgical coke with greener material is a long-term challenge in pyrometallurgy. With the fact of biomass abundance in Indonesia, the usage of bio-char as a replacement for coke resulted from coal has been an intensive study. This study compared the performance between anthracite coal and coconut shell charcoal for nickel laterite reduction using the Equilibrium module on FactSage software simulation. The simulation was done by inputting a 4:4:1:20 weight ratio of nickel laterite ore, reductant (coal or coconut shell charcoal), lime and air, respectively. The temperature studied was 1300 degrees C to 1700 degrees C, and the pressure was atmospheric. The result shows that coconut shell charcoal has the potential to substitute anthracite coal as a reductant material in blast furnace processes. Anthracite coal consistently gives better results on the metal phase product with higher liquid metal yield and higher nickel and iron content. However, the coconut shell charcoal posseses the potential as a substitute material with temperatures above 1400 degrees C regarding to the higher nickel concentration compared to anthracite coal. The resulting nickel and iron concentrations can reach above 2% and 96%, respectively, which is the required characteristics of a nickel pig iron product.
引用
收藏
页码:267 / 275
页数:9
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