Coke and coal as reductants in manganese ore smelting: An experiment

Bambang Suharno; Fajar Nurjaman; Achmad Rifki; Robby Krisnaldo Elvin; Alif Ardiansyah Putra; Deni Ferdian

doi:10.2478/mipo-2018-0004

Coke and coal as reductants in manganese ore smelting: An experiment

Bambang Suharno, Fajar Nurjaman, Achmad Rifki, Robby Krisnaldo Elvin, Alif Ardiansyah Putra, Deni Ferdian

Department of Metallurgical and Material Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

The effect of coke and bituminous coal on the reduction of medium-grade manganese ore in ferromanganese production was investigated. Charges of 30 kg medium grade manganese ore, 12 kg limestone and varied amounts of coke and coal were smelted in a Submerged Electric Arc Furnace (SAF) at temperatures of 1300°C to 1500°C. The composition of the ferromanganese and the slag were determined by X-Ray Fluorescence. It was found that using coke as a single reductant resulted in a 96% yield of ferromanganese which was higher than by using coal either as a single reductant or in a mixture of coal and coke. It was also found that using coke as a single reductant resulted in the lowest specific energy consumption. Using coal as reductant produced ferromanganese containing high sulfur and phosphorus.

Original language	English
Pages (from-to)	35-45
Number of pages	11
Journal	Mineralogia
Volume	49
Issue number	1-4
DOIs	https://doi.org/10.2478/mipo-2018-0004
Publication status	Published - 1 Dec 2018

Keywords

Coal
Coke
Ferromanganese
Manganese ore
Submerged Electric Arc Furnace (SAF)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.2478/mipo-2018-0004

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title = "Coke and coal as reductants in manganese ore smelting: An experiment",

abstract = "The effect of coke and bituminous coal on the reduction of medium-grade manganese ore in ferromanganese production was investigated. Charges of 30 kg medium grade manganese ore, 12 kg limestone and varied amounts of coke and coal were smelted in a Submerged Electric Arc Furnace (SAF) at temperatures of 1300°C to 1500°C. The composition of the ferromanganese and the slag were determined by X-Ray Fluorescence. It was found that using coke as a single reductant resulted in a 96% yield of ferromanganese which was higher than by using coal either as a single reductant or in a mixture of coal and coke. It was also found that using coke as a single reductant resulted in the lowest specific energy consumption. Using coal as reductant produced ferromanganese containing high sulfur and phosphorus.",

keywords = "Coal, Coke, Ferromanganese, Manganese ore, Submerged Electric Arc Furnace (SAF)",

author = "Bambang Suharno and Fajar Nurjaman and Achmad Rifki and Elvin, {Robby Krisnaldo} and Putra, {Alif Ardiansyah} and Deni Ferdian",

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T1 - Coke and coal as reductants in manganese ore smelting

T2 - An experiment

AU - Suharno, Bambang

AU - Nurjaman, Fajar

AU - Rifki, Achmad

AU - Elvin, Robby Krisnaldo

AU - Putra, Alif Ardiansyah

AU - Ferdian, Deni

PY - 2018/12/1

Y1 - 2018/12/1

N2 - The effect of coke and bituminous coal on the reduction of medium-grade manganese ore in ferromanganese production was investigated. Charges of 30 kg medium grade manganese ore, 12 kg limestone and varied amounts of coke and coal were smelted in a Submerged Electric Arc Furnace (SAF) at temperatures of 1300°C to 1500°C. The composition of the ferromanganese and the slag were determined by X-Ray Fluorescence. It was found that using coke as a single reductant resulted in a 96% yield of ferromanganese which was higher than by using coal either as a single reductant or in a mixture of coal and coke. It was also found that using coke as a single reductant resulted in the lowest specific energy consumption. Using coal as reductant produced ferromanganese containing high sulfur and phosphorus.

AB - The effect of coke and bituminous coal on the reduction of medium-grade manganese ore in ferromanganese production was investigated. Charges of 30 kg medium grade manganese ore, 12 kg limestone and varied amounts of coke and coal were smelted in a Submerged Electric Arc Furnace (SAF) at temperatures of 1300°C to 1500°C. The composition of the ferromanganese and the slag were determined by X-Ray Fluorescence. It was found that using coke as a single reductant resulted in a 96% yield of ferromanganese which was higher than by using coal either as a single reductant or in a mixture of coal and coke. It was also found that using coke as a single reductant resulted in the lowest specific energy consumption. Using coal as reductant produced ferromanganese containing high sulfur and phosphorus.

KW - Coal

KW - Coke

KW - Ferromanganese

KW - Manganese ore

KW - Submerged Electric Arc Furnace (SAF)

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DO - 10.2478/mipo-2018-0004

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EP - 45

JO - Mineralogia

JF - Mineralogia

IS - 1-4

ER -

Coke and coal as reductants in manganese ore smelting: An experiment

Abstract

Keywords

UN SDGs

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