Uppsatser om energy production

364 uppsatser · sida 22 av 25

Framtagning av nytt mätsystem för mätning av energiförbrukning i mikrovågsugnar

Examensarbete, grundnivå · Linköpings universitet

The report describes a measuring method for analysis of energy consumption measurement in microwave ovens. Concurrently that the awareness of the environment evolves the demands are growing for more power saving products. This is also counting within the Home Appliance business …

Anaerob psykrofil behandling av hushållsavloppsvatten i UASB

Utvärdering av kapaciteten hos en två-stegs UASB-reaktor för behandling av hushållsavloppsvatten

Examensarbete, avancerad nivå · Uppsala universitet

… to reduce the content of organic material in the waste water, consumes less energy than conventional methods. Anaerobic reactors are usually operated at 37°C. It is possible to attain a high COD-reduction at lower temperatures, assumed a longer contact time between biomass and …

Pelletering av tallspån

grundläggande studier

Examensarbete · SLU

… raw material. Pellets have great benefits compared to the raw material: high energy per volume, good transport and storage properties and homogeneity. Several parameters collaborate in the whole process, which makes it complex. Wood is a heterogeneous material, chemically and …

Återvinning av näringsämnen från hushållsspillvatten med omvänd osmos

Examensarbete, avancerad nivå · Uppsala universitet

… to use on farmland. The disadvantages of the RO technology include high energy consumption and sensitivity to membrane fouling. The aim of this study was to investigate the possibility of using RO at Sjöstadsverket and, if possible, to evaluate the chance of obtaining …

Tillvaratagande av GROT i skärgårdsnära miljö :

Examensarbete · SLU

… The demand for biofuel is growing and today accounts for 15% of total Swedish energy production, a share that will probably increase. This study is based on three research questions, which are described under the heading of Aim. The results reveal that the most profitable method …

Uppföljning av plantering på nedlagd åkermark i Skåne 1991-1996 :

Examensarbete · SLU

… The state supported conversion of farmland to broadleaf forest, forest for energy biomass production, or establishment of wetlands on former farmland. The County Administrative Boards and Regional Forestry Boards together monitored the planting of broadleaf forests. The forestry …

Nya renings- och uppgraderingstekniker för biogas

Magisteruppsats · Linköpings universitet

Biogas is a renewable energy source that is produced by anaerobic digestion of organic mate-rial. In Sweden, biogas predominately comes from sewage water sludge and landfills or from organic waste of households and industries. Small scale digestion plants at farms are …

Konstruktion av fackla för biogas

Masteruppsats · KTH

… the hazarder’s effect of the environment, it does not take advantage of the energy in the gas The goal of this master thesis was for me to create a foundation for an in-house production of flares for Värmekollektor. There was a desire to be able to manufacture there own flares …

Ekologiskt kopplade institutioner inom jordbrukssystemet :

Examensarbete · SLU

… its production of provisions for man. By a continuous exchange of information, energy and material, between the ecosystems and the social systems, the farming system becomes an emergent property. The system's own properties, in the sense of farming methods, circulations and …

Kina i Afrika

En studie av Kinas afrikapolicy

Magisteruppsats · Linköpings universitet

… sustain its rapid economic growth, largely based on industrial production, on energy and raw materials from China alone. Good relations with African countries have been of highest priority in China’s strategy of ”Going global”. The new African policy is based on the two …

Bors E23 - Framtagning av eldriven röravklippningsmaskin

Kandidatuppsats · Högskolan i Halmstad

… of a servomotordriven rollerscrew, witch provides a more rational use of energy compared with the current method. Bors Automation & Tool AB has decided to fabricate a prototype of Bors E 23 during the autumn of 2007, which they are planning to revile at the Tube 2008 exhibition …

Avblås för torkning av kabel

C-uppsats · Högskolan i Borås · 2007

… Nexans IKO Sweden AB was in need of help to examine possibilities for saving energy by saving compressed air, in first place by using the compressed air more efficient. The task was to determine the present situation, making the airwipe stations more efficient by reducing the …

Produktivitet vid stubbskörd :

Examensarbete · SLU

… be found in the late 1970?s and the early 1980?s. And now when the prices on energy are high it has become an interesting topic again. This work has been conducted within Holmen Skog’s stump harvest testing in Norrköping. The purpose was to: Investigate the time consumption for …