Uppsatser om phosphorus accumulation

5 uppsatser

Potentiell fosforfrigörelse från sedimentet i Bornsjön, sydvästra Stockholm

The potential leakage of phosphorus from sediment in Lake Bornsjön, south western Stockholm

Magisteruppsats · Södertörns högskola

… are allowed on and in the lake. According to information from the 1970s the phosphorus content increased in the surface and bottom waters and later in the mid 1980s the phosphorus decreased (Lännergren 1996). 1986 Lake Bornsjön showed some indications of a deteriorated lake …

Sustainable phosphorus management of horse paddocks at Julmyra

Examensarbete, avancerad nivå · SLU

… JHC, and how an expansion of the horse keeping may affect the risk of enhanced phosphorus load to the nearby lake system Vansjön ? Nordsjön. The risks associated with outdoor horse keeping are an accumulation of phosphorus in the soil profile caused by dung deposition and …

Hydrolys av primärslam för förbättrande av biologisk fosforreduktion vid behandling av hushållsavloppsvatten [Hydrolysis of primary sludge for enhancement of biological phosphorus removal in household wastewater]

Magisteruppsats · Linköpings universitet

… processes. One of the aerobic treatment processes includes enhanced biological phosphorus removal (EBPR or Bio-P) as the method for the removal of phosphorus. In biological phosphorus removal the wastewater is alternately being exposed to anaerobic and aerobic conditions, which …

Dynamisk massbalansmodellering av fosfor i Östersjön

Examensarbete, avancerad nivå · Uppsala universitet

… coastal areas, has been used to predict concentrations and transports of phosphorus in three large coastal areas - the Gulf of Finland, the Gulf of Gdansk and the Gulf of Riga. CoastMab uses ordinary differential equations to regulate inflow, outflow and internal flows. To …

Utvärdering av öppna dikens status och funktion

en förstudie i Västmanlands län

Examensarbete, grundnivå · SLU

… of environmental benefits these are a greater immobilization of nitrogen and phosphorus as well as decreased maintenance requirements. The ditch evaluation method MADRAS is here considered to be a practical tool to be able to gather quantifiable measure of the ditch failing …