Search for dissertations about: "substrate removal"
Showing result 1 - 5 of 90 swedish dissertations containing the words substrate removal.
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1. Methane and Volatile Fatty Acids Production from Toxic Substrate
Abstract : Challenges caused by climate change and global warming have created a demand for improvements in resource recovery and the promotion of a circular economy. Waste management is one such challenge for which more recycling options are required for producing materials and energy sources from wastes. READ MORE
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2. Investigation of a Biofilm Reactor Model with Suspended Biomass
Abstract : Biofilms are compact, sessile microbial communities that attach to surfaces in aqueous environments. In wastewater treatment, they are especially important for removal of phosphorus and nitrogen, which, if released into a receiving water body, can cause severe eutrophication. READ MORE
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3. Nitrogen removal in treatment wetlands : Factors influencing spatial and temporal variations
Abstract : Decreasing the nitrogen transport from land to surrounding seas is a major task throughout the world to limit eutrophication of the coastal areas. Several approaches are currently used, including the establishment of wetlands, to decrease the transport of nitrogen. READ MORE
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4. Thin-film ultraviolet light-emitting diodes realized by electrochemical etching of AlGaN
Abstract : Ultraviolet (UV) light sources have a direct impact on everyone’s life. They are used to sterilize surfaces as well as for water purification. In addition, they are used in green houses to enhance health-promoting substances in plants, for phototherapy to treat skin diseases, for sensing and material curing. READ MORE
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5. Metal Films for Printed Electronics : Ink-substrate Interactions and Sintering
Abstract : A new manufacturing paradigm may lower the cost and environmental impact of existing products, as well as enable completely new products. Large scale, roll-to-roll manufacturing of flexible electronics and other functionality has great potential. READ MORE