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Editor in Chief: RAFFAELLO COSSU

GRAIN SIZE-RELATED CHARACTERIZATION OF VARIOUS NON-HAZARDOUS MUNICIPAL AND COMMERCIAL WASTE FOR SOLID RECOVERED FUEL (SRF) PRODUCTION

  • Alexander Curtis - Chair of Waste Processing Technology and Waste Management, Montanuniversitat Leoben Department fur Umwelt- und Energieverfahrentechnik, Austria
  • Josef Adam - Chair of Waste Processing Technology and Waste Management, Montanuniversitat Leoben Department fur Umwelt- und Energieverfahrentechnik, Austria
  • Roland Pomberger - Chair of waste processing technology and waste management, Montanuniversitat Leoben Department fur Umwelt- und Energieverfahrentechnik, Austria
  • Renato Sarc - Chair of Waste Processing Technology and Waste Management, Montanuniversitat Leoben Department fur Umwelt- und Energieverfahrentechnik, Austria

DOI 10.31025/2611-4135/2019.13847

Released under CC BY-NC-ND

Copyright: © 2019 CISA Publisher

Editorial History

  • Received: 21 Jun 2019
  • Revised: 18 Jul 2019
  • Accepted: 24 Jul 2019
  • Available online: 26 Sep 2019

Abstract

This article deals with studies on the grain size-related characterization of various types of waste for the production of Solid Recovered Fuel (SRF) for the cement industry. By implementing a suitable combination of the mechanical processes and adjusting the proportions of the waste types used, different properties of SRF in certain parameters can be set. In addition to the process technology, the treated solid waste types themselves have the greatest impact on the final quality of SRF. Here, the practical investigation for the characterization of various grain size classes generated of different solid waste types (packaging waste and commercial waste) used for the production of SRF is described. These investigations have been divided into a series of tests (12) with an industrial waste screen and in further tests with a laboratory screen and chemical analyses of all of the produced grain size classes. The mass distribution of the investigated grain size classes for each type of waste show significant differences. As assumed, the parameters calorific value and dry mass content of all types of waste increase with growing grain size. For most heavy metals and chlorine, no clear trend can be shown. For example, nickel accumulates in the commercial waste types in the grain size class 0 - 20 mm, in the packaging waste in class > 65 mm. The data on waste input material and generation of proper input waste mix is required for production of quality assured and homogeneous SRF for energy recovery in cement industry.

Keywords


References

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