Sökning: "wastewater treatment"
Hittade 5 avhandlingar innehållade ordet wastewater treatment.
Sammanfattning : As part of a research project aiming to develop and evaluate a hydroponic system for wastewater treatment in Sweden, extended nutrient removal by microalgae was tested. The hydroponic/microalgal wastewater treatment system was built in a greenhouse in order to improve growth conditions for plants and algae. LÄS MER
Sammanfattning : Eutrophication is a result of increasing discharges ofnutrients and is the main cause of the deterioration of theaquatic ecosystems. Major sources of nitrogen in coastal watersare wastewater treatment plants. LÄS MER
Sammanfattning : Requirements for nitrogen reduction in wastewater treatmentplants were introduced in Sweden in the early 1990s. Thiswas a governmental move to reduce the nitrogen discharges tothe Baltic and Kattegatt in order to prevent eutrophication.The nitrification process in wastewater treatment plants isperformed by nitrifying bacteria. LÄS MER
Sammanfattning : The main topics of this thesis, association phenomena inbulk and at solid-liquid interfaces in polar and non-polarmedia, were studied by a range of methods. Direct forcemeasurements employing the interferometric surface forceapparatus (SFA) was the chief technique. LÄS MER
5. Transport of Heavy Metals in Soil Subjected to an Electric Field -A Study of the Transport of Copper in Bentonite Clay
Sammanfattning : This licentiate thesis addressesphosphorus release from sewage sludge, which is the first stepin phosphorus recovery. The concept ofphosphorus recovery maybe seen as a part of sustainable sludge handling in that it isa means of recycling resources without supplying harmfulsubstances to humans or the environment. LÄS MER