Uppsatser om organic

355 uppsatser · sida 14 av 24

Käppalaverkets nuvarande och framtida rötningskapacitet

en studie i labskala

Examensarbete, avancerad nivå · Uppsala universitet

… anaerobic digestion process and to investigate its capacity to treat other organic wastes such as restaurant waste and waste from water works. To decide the potential of both methane and biogas production from different substrates batch laboratory tests were carried out. To …

Kartläggning av föroreningars förekomst och spridning i Gräsötippen enligt MIFO

Examensarbete, avancerad nivå · Uppsala universitet

… as well. The water and soil samples were analyzed with regard to metals, organic compounds and nutrients. Furthermore, groundwater flow has been modeled using VS2DI, in order to get a picture of the groundwater’s flow direction and velocity under the landfill. In the water …

Den gröna konsumentmakten - medborgarens ekologiska insats

Kandidatuppsats · Lunds universitet

The aim of this thesis is to form a theory of the green consumer power and to distinguish whether this phenomenon could indicate a movement toward the ecological citizenship. To do so, scientific theories regarding the responsibility of companies have been used, as well as the …

Vårlamm eller dikoproduktion i Dalarna

fallstudie

Examensarbete · SLU

… productions, it tells us that a good spring lamb season pays better than organic nurse cow production. NURSE COWS The floor in the cowshed is to be destroyed, so that new boxes for the cows to lie in can be made. Flat floors for the calves also need to be cased. The low roof …

Undersökningsmetodik för klorerade lösningsmedel i marken

Examensarbete, avancerad nivå · Uppsala universitet

Chlorinated solvent are volatile organic substances that can be harmful for humans and for the environment. Examples of common chlorinated solvents are perchloroethene, PCE, and trichloroethene, TCE. Chlorinated solvents appear as contaminants in soils primarily where they have …

Modellering och reglering av ureainsprutning på kraftvärmeverket FTG

Examensarbete, grundnivå · Linköpings universitet

… the nitrogen oxides, injection of urea into the boiler is used. Urea is an organic compound of carbon, nitrogen, oxygen and hydrogen. When urea reacts with nitrogen oxides they transform into harmless nitrogen gas and water. In the plant the urea is injected by six lances. The …

Igensättning av långsamfilter i Östby vattenverk i Kramfors

studie av påverkande faktorer

Examensarbete, avancerad nivå · Uppsala universitet

… the contact filters has been reengaged and this has influenced the flocking of organic materials. When raising the pH the dose of flocculent was increased and this combined increased the amount of flocculated material. The contact filters could not bear this increased amount of …

Optimering av den kemiska reningen vid Fläskebo deponi

Examensarbete, avancerad nivå · Uppsala universitet

… control for sodium hydroxide was examined. The leachate had a small content of organic matter and nutrients, but had a large content of halogenated substances (AOX) and the heavy metals nickel and copper. High concentrations of contaminants were reduced better than low …

Miljöteknisk undersökning enligt MIFO

en studie på fastigheten Bodsjölandet 1:14 avseende den nedlagda tjärfabriken i Grötingen

Examensarbete, avancerad nivå · Uppsala universitet

… and surface water together with sample analysis of heavy metals and organic pollutants. The result of the analysis shows that very high levels of the contaminants PAH, aromatics and lead are found in both soil and groundwater. The sediment contamination level is high while that …