Sökning: "spouted bed"
Hittade 5 avhandlingar innehållade orden spouted bed.
1. Particle Coating in a Wurster Type Bed
Sammanfattning : The Wurster bed process is frequently used for film coating. In the Wurster bed, particles circulate in the equipment and are sprayed with a liquid which forms a coating when dry. The procedure is repeated until the desired characteristics of the coating layer are obtained. LÄS MER
2. Single Particle Coating and Particle Tracking in a Wurster Type Bed
Sammanfattning : .... LÄS MER
3. Emissions of volatile organic compounds from wood
Sammanfattning : The central aim of this thesis is to support the efforts to counteract certain environmental problems caused by emissions of volatile organic compounds. The purpose of this work was (1) to develop a method to establish the amount of emitted substances from dryers, (2) to determine the effect of drying medium temperature and end moisture content of the processed material on emissions of monoterpenes and other hydrocarbons, (3) to examine the emissions of monoterpenes during production of pellets, and (4) to examine the natural emissions from forests with an eye to implications for modelling. LÄS MER
4. Improved Fluidized Bed Drying Technology for Wood Fuels
Sammanfattning : In this thesis, I discuss experiences from designing, building and evaluating two research plants, which use circulating, atmospheric pressure superheated steam as drying medium for drying sawdust in a fluidized bed. The increased use of pellets has created a demand for new drying equipment at the Swedish pellet plants. LÄS MER
5. Energy Efficient Wood Fuel Drying
Sammanfattning : With reference to the reduction of carbon dioxide emissions, biofuel is pointed out as an important substitute for fossil fuels. The Swedish Government favours the use of biofuel by imposing taxes on fossil fuels. LÄS MER