Economic optimization of waste treatment and energy production in Denmark

Marie Münster, Hans Ravn, Karsten Hedegaard, Nina Juul, M. Ljunggren Söderman

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    This article presents an optimization model that incorporates LCA methodology and captures important characteristics of waste management systems. The most attractive waste management options are in the model identified as part the optimization. The model renders it possible to apply different optimization objectives such as minimizing costs or greenhouse gas emissions or to prioritise several objectives given different weights. An illustrative case is analyzed, covering alternative treatments of 1 tonne residual household waste: incineration of the full amount or sorting out organic waste for biogas production for either CHP generation or as fuel in vehicles. The case study illustrates, that what is the optimal solution depends on the objective and assumptions regarding the background system – here illustrated with different assumptions regarding displaced electricity production. The article shows that it is feasible to combine LCA approaches with optimization and highlights the need for including the integrated waste and energy system into the model.
    Original languageEnglish
    Title of host publicationProceedings Sardinia 2013
    Number of pages16
    PublisherCISA Publisher
    Publication date2013
    Publication statusPublished - 2013
    EventSardinia 2013 - 14th International Waste Management and Landfill Symposium - Cagliari, Italy
    Duration: 30 Sep 20134 Oct 2013
    http://www.sardiniasymposium.it/

    Conference

    ConferenceSardinia 2013 - 14th International Waste Management and Landfill Symposium
    CountryItaly
    CityCagliari
    Period30/09/201304/10/2013
    Internet address

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