175 uppsatser · sida 9 av 12
… with the aim to increase its efficiency by decreasing the heat losses with a Waste Heat Recovery (WHR) system. Intercooler, coolant system, EGR and exhaust systems have been studied for their heat loss potentials. A model of an ideal Rankine process has been implemented in …
avsättning och organisation i Göteborgsområdet
… or sports fields. The initiator is the Department of Sustainable Water and Waste Management at the City of Gothenburg. Today urine-diverting systems are installed in two apartment buildings and two public-use buildings. Urine recycling is expected to lead to less exploitation of …
en studie på fastigheten Bodsjölandet 1:14 avseende den nedlagda tjärfabriken i Grötingen
… to that point. The point source may represent a larger spillage or dumped waste products. Two of the contaminants present at the site, phenantrene and phenol, were studied by using the model CHEMFLO-2000. The analysis focussed on mobility in unsaturated soils under conditions …
… it’s washing cycle, noting different phases and components that contribute to waste of energy. Among these areas the most beneficial should be investigated further and solutions on how to lover the energy consumption should be made. The most promising way to lower the energy …
En kartläggning av verksamhetens koldioxidutsläpp
… gas and diesel) and indirect (water, process-water, long distance heating, waste) emissions from their company. The conclusion of this report is that liquefied petroleum is the biggest contributor to the emissions of carbon dioxide and that the amount of carbon dioxide emitted …
en utvärdering av effektivitet och avfallshantering ur ett miljöperspektiv
Filtermaterial av 75 % torv och 25 % kolaska har använts under 2 respektive 4 år för rening av avloppsvatten från två biltvättar. Jämförelse med Kristianstads kommuns riktvärden för avloppsvatten från fordonstvättar visar att filtren fungerat. För avfallsklassning krävs kunskap …
… using hardy plants, turning the trimmed lawn into meadow, composting garden waste and harvesting rainwater. The use of natural and local paving material and permeable surfaces are also important. One of the most famous landscape architects in modern Sweden is Ulf Nordfjell. In …
Strömmars betydelse för lokalisering av odlingslokaler och utformning av kontrollprogram i kustområden
… changing during the year such as airpressure, temperature, precipitation etc. Water current measurements can be ofgreat help both when determining how particles from a fish farm is dispersedand also for governing authorities in the processes of both allowing new fishfarms and …
… creates a good breading ground for malaria mosquitoes. Another problem is that waste is being dumped there. The proposal focuses on turning the area into a safe and well used place that could contribute to the everyday lives of the people in Dar es Salaam. The proposal focuses …
Löslighet och transport av sällsynta jordartsmetaller i Källfallsfältets gruvsandsmagasin Hugo de Campos Pereira Syftet med detta arbete har varit att kartlägga vilka mekanismer som styr lösligheten av sällsynta jordartsmetaller (eng. rare earth elements, REE) i sulfidhaltig …
En beskrivande litteraturstudie
… system temperatures becomes available can be seen in the four next bullets. Waste heatGeothermal heatSolar heatHeat pump Other advantages obtained with lower temperature levels in heat distribution are. Lower distribution lossesHigher electrical power efficiency in CHPIncreased …
Discharge of inadequately treated waste water containing nutrients such as phosphorus and nitrogen as well as organic matter and bacteria is associated with a risk of eutrophication and contamination. The Swedish government has decided upon several Environmental Quality …
en studie av kommunala taxor och avgifter
… but further investigation is needed to understand how severe this problem is. Waste and water charges do affect the use of the resource but in the case of the water charge this effect is insignificant and the differences between the municipalities are sometimes substantial. The …
… projects have mainly concerned energy issues, recycling of water and waste, transportation and the outdoor environments. Environmental applications can work well in one area, but not so well in another. Therefore it is important to adapt projects and applications to the specific …
studier av kretslopprojektet i Enköping och dess applicering på en kommun i Ryssland.
… are used to make beneficial products. In Enköping the rest products from waste treatment plants and private sewers are used to fertilize and irrigate Salix plantations that later are harvested and burned at the local combined heating and power plant, ENA Energy AB, to produce …
