Search for dissertations about: "waste disposal models"

Showing result 1 - 5 of 19 swedish dissertations containing the words waste disposal models.

  2. 1. Improving Model-Based Systems Analysis of Waste Management

    Author : Mattias Olofsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; material recycling; modelling; import; energy recovery; greenhouse gas emissions; export; systems analysis; scrap markets; waste prevention; waste management;

    Abstract : Model-based systems analysis is a tool to support decision-makers in the field of waste management. Of special concern in this thesis is the development of mathematical models for the analysis of the technological system. The aim of the models (here denoted WMS models) is to address whole waste management systems, i.e. READ MORE

  4. 2. A Systems Engineering Approach to National Waste Management

    Author : Maria Ljunggren Söderman; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; waste management planning; biological treatment; district heating; global warming potential; environmental impact; material recovery; systems engineering; energy recovery; modelling; waste management;

    Abstract : During recent decades, waste management has gradually shifted focus, from waste disposal to integrated waste management of potentially valuable resources and residues. The number and variety of waste streams to handle is large, as well as the diversity of treatment options available. READ MORE

  5. 3. Environmental assessment of municipal solid waste incinerator bottom ash in road constructions

    Author : Susanna Olsson; Jon Petter Gustafsson; Dan Berggren; Erik Kärrman; Bo Bergbäck; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; bottom ash; environmental impact; LCA; waste management; leaching; copper; dissolved organic carbon; Environmental chemistry; Miljökemi;

    Abstract : There are several incentives for using bottom ash from municipal solid waste incineration (MSWI bottom ash) as a construction material, such as for road construction. These incentives include decreased disposal of material on landfills and a reduced amount of raw material extracted for road building purposes. READ MORE

  6. 4. Modeling internal deformation of salt structures targeted for radioactive waste disposal

    Author : Zurab Chemia; Hemin Koyi; Harro Schmeling; Ian Alsop; Uppsala universitet; []
    Keywords : salt; diapir; anhydrite; deformation; entrainment; numerical modeling; rheology; sinking; Gorleben;

    Abstract : This thesis uses results of systematic numerical models to argue that externally inactive salt structures, which are potential targets for radioactive waste disposal, might be internally active due to the presence of dense layers or blocks within a salt layer.The three papers that support this thesis use the Gorleben salt diapir (NW Germany), which was targeted as a future final repository for high-grade radioactive waste, as a general guideline. READ MORE

  7. 5. Fundamental models and testing of creep in copper

    Author : Fangfei Sui; Pavel A. Korzhavyi; Rolf Sandström; Alan Cocks; KTH; []
    Keywords : Copper; Creep tests; Multiaxial stress state; Finite element method; Basic modelling; Tertiary creep; Precipitation hardening;

    Abstract : Many sustainable technologies for energy production, for example, generation IV nuclear system, demand the use of materials operating at elevated temperatures for long duration of up to 60 years. Requirements that are even more stringent are found for creep exposed copper canisters for disposal of spent nuclear waste. READ MORE