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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2012

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Comparative analysis of two processes for desulphurization of battery paste

Malak D., Rodak A, Studnicka A., Soszyńska W

Journal of Achievements in Materials and Manufacturing Engineering

2012

Vol. 55, nr 2

855--859

Purpose: The paper touches the problem of recycling battery scrap and desulphurization methods. The aim of this paper is to compare sodium method and new amine method for desulphurization of battery paste. Also the comparison of this methods refers to environmental and technological aspects of lead smelting. Design/methodology/approach: Base of the comparison of two different methods were tests of melting of desulphurized battery paste in a rotary-tilting furnace by BJ Industries Company. Findings: Both methods of desulphurization allow to reduce amount of sulphur to less than 1%. The economic considerations determine the degree of desulphurization of battery paste. Amine method allows to reduce sulphur to a degree of about 0,5% maintaining favorable technical and economical parameters. Research limitations/implications: Effectiveness of amine method was confirmed in the pilot-scale tests, but it’s difficult to say what will be the results of desulphurization by this method in industrial scale. Originality/value: The value of this paper lies in demonstrating the possibilities of application of the new amine method of battery paste desulphurization, compared to for commonly used methods.