Search for dissertations about: "subcritical water"
Showing result 6 - 10 of 16 swedish dissertations containing the words subcritical water.
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6. Valorisation of cereal by-products: a biorefinery approach
Abstract : Cereal by-products are abundant streams of underutilised biomass that have the potential be valorised into various industrial products by means of environmentally friendly processes. In this study, an integrated bioprocess combining subcritical water extraction (SWE) and enzymatic treatment (ET) was proposed to effectively extract arabinoxylans (AX) from cereal by-products. READ MORE
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7. Spiritum sidus : The star of our life – On internal tides in the ocean
Abstract : Tidal currents flowing over rough bathymetry generate internal tides. These internal waves with tidal frequency can be decomposed into vertical modes. Low modes generally travel thousands of kilometers, until they break due to shear flow instabilities, while high modes are believed to break close to the generation site. READ MORE
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8. Studies of Accelerator-Driven Systems for Transmutation of Nuclear Waste
Abstract : Accelerator-driven systems for transmutation of nuclear waste have been suggested as a means for dealing with spent fuel components that pose potential radiological hazard for long periods of time. While not entirely removing the need for underground waste repositories, this nuclear waste incineration technology provides a viable method for reducing both waste volumes and storage times. READ MORE
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9. Application of subcritical and supercritical fluids in coal extraction and analysis
Abstract : Coal is used to generate electricity and produce high-value chemicals through coal gasification, liquefaction, and coke. During combustion sulfur is released, which leads to acid rain formation. READ MORE
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10. Experimental studies of bypass transition and its control
Abstract : Bypass transition, i.e. transition of a boundary layer at subcritical Reynolds numbers, has been studied. Fundamental studies of the phenomenon as such have been performed side by side with experiments aimed at controlling, i. READ MORE