JOENSUUN YLIOPISTON YHTEISKUNTATIETEELLISIÄ JULKAISUJA UNIVERSITY OF JOENSUU PUBLICATIONS IN SOCIAL SCIENCES N:o 72
نویسنده
چکیده
The thesis provides a presentation of the two conceptual models of industrial system material and energy flows in terms of sustainability; the dominant and the unsustainable throughput flow model and the potential future sustainable roundput model. These two material and energy flow concepts serve to illustrate the main research agenda of the emerging research and practical field of industrial ecology. Three different waste management systems were studied to answer the research question: what is the potential of the roundput model in waste management systems? ‘What if?’ scenarios and models were constructed for different options in three cases: I) for the agricultural waste management, in which the roundput type of technology, anaerobic digestion was defined II) for the Satakunta regional waste management, in which local decentralised treatment of waste flows by using anaerobic digestion for biowastes and incineration for energy wastes were defined as roundput and III) for the management of old landfill cover layer, in which the waste and side product flows was defined as roundput. In the physical flows of matter and energy the description of the ecosystem flows can produce an important prescription for the industrial ecosystem goal and vision of sustainability. However, the ecosystem metaphor cannot show us any practical solutions to achieve the target of sustainability. Therefore, that for practical implementation of the sustainability vision, one has to use other sources than the natural ecosystem metaphor
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