Indirect Determination of Chemical Composition and Fuel Characteristics of Solid Waste: Methodology and Application

Research output: Working paper/PreprintWorking paperResearch

Abstract

Determination of chemical composition of solid waste can be performed directly or indirectly by analysis of combustion products. The indirect methodology instrumented by a full scale incinerator is the only method that can conclude on elements in trace concentrations. These elements are of great interest in evaluating waste management options by for example LCA modeling.
A methodology description of indirect determination of chemical composition and fuel properties of waste is provided and validated by examples.
Indirect analysis of different waste types shows that the chemical composition is
significantly dependent on waste type. And the analysis concludes that the transfer of substances in the incinerator is a function of waste chemical content, incinerator technology and waste physical properties. The importance of correct representation of rare items in the waste with high concentrations of toxic elements is shown exemplified by Hg. The average concentration is evaluated to be affected by three occurrences; background, rare items and very rare items (1/800 tonnes), that are all important to the Hg average concentration.
Original languageEnglish
PublisherEnvironment & Resources DTU. Technical University of Denmark
Number of pages24
Publication statusPublished - 2007

Keywords

  • Indirect analysis
  • Waste characterization
  • Waste incineration
  • Household waste
  • Fuel properties of waste

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