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Desulphurization of Coal to Protect the Environment

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Mineral Processing and the Environment

Part of the book series: NATO ASI Series ((ASEN2,volume 43))

Abstract

The major coal desulphurization technologies prior to combustion are physical coal cleaning, chemical and biological methods. Each has some technical and economical limitations. Physical coal cleaning can only remove limited amount of inorganic sulphur due to insufficient liberation. Fine grinding can liberate fine pyrites, where novel coal cleaning techniques are required for separation. Advanced froth flotation, oil agglomeration, selective flocculation and heavy media cycloning are the novel cleaning techniques, most of which have been, or nearly being, commercially deployed. Chemical cleaning techniques, due to their high processing costs, and bicrobiological desulphurization, with its technical and economical uncertainties, are not already commercially applied. Preliminary cost estimations have shown that pre-combustion desulphurization techniques might be competitive with the current post-combustion technologies.

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Authors and Affiliations

  1. Middle East Technical University, Ankara, Turkey

    G. Ozbayoglu

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  1. G. Ozbayoglu
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  1. Department of Chemistry, Laboratory of General & Inorganic, Aristotle University of Thessaloniki, Chemical Technology (116), GR-540 06, Thessaloniki, Greece

    G. P. Gallios  & K. A. Matis  & 

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Ozbayoglu, G. (1998). Desulphurization of Coal to Protect the Environment. In: Gallios, G.P., Matis, K.A. (eds) Mineral Processing and the Environment. NATO ASI Series, vol 43. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2284-1_10

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  • DOI: https://doi.org/10.1007/978-94-017-2284-1_10

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-5034-2

  • Online ISBN: 978-94-017-2284-1

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