364 uppsatser · sida 14 av 25
… in a proper way. The transportation from China could be more effective. The energy consumption in the user phase is strongly dependent on the way the mobile phone is used. When it comes to energy efficiency Sony Ericsson has been focusing on the chargers. A mobile phone is used …
… or grain as the difference in milk yield is significant, approximately 1000 kg energy corrected milk per cow and year between conventional and organic cows that are fed a lower versus a higher share of forage. If the cow shall be able to eat the same amount of energy from forage …
… and are the cause of the largest emissions. By studying the materials used, energy and resource consumption, easy solutions have been established to lower emissions that are harming our eco-system for example by increasing the greenhouse effect. By controlling the consumption of …
Test av olika råvarumixer i pelletstillverkningen vid Rindi Västerdala AB:s bioenergikombinat i Vansbro
… from sawmills and wood industry. At Rindi Västerdala AB's combined bio energy plant in Vansbro fuel pellets are produced, while the waste heat from the process is used for district heating. The pellets are produced from sawdust, wood shavings and dry wood chips that is dried …
Dagsläge och framtidsplaner
… scale hydropower in the range of 0 - 2 MW, has a potential to increase its production by 6.1 TWh per year.
… The following heating systems have been analyzed in combination with solar energy; Geothermal heating, long- distance heating and bio energy heating. The result of text study shows that the design of the heating system should be installed with an accumulation tank as a central …
En utvärdering av två simuleringsverktyg.
… for modeling of photovoltaic systems are useful in the teaching of solar energy.The next ten years grid-connected photovoltaic systems are assumed to increase and therefore also a rising demand for people with engineering knowledge are to be predicted. For engineer students with …
en jämförelse med en minskning av svinnet
The purpose of this study is to compare the energy related and environmental consequences of implementing optical sorting as a means of waste collection with those of reducing food waste. In addition to studying the possibility of implementing optical sorting in downtown …
Konceptförslag som möjliggör tillämpning av turbinlösning för maskiner vars banbredd är bredare än 2,9 meter
… is wider than 5.5 meters, and give the abilityto manufacture paper for lower energy consumption which is an important part of the production asit is very energy intensive.Problems arise with the increasing length of the turbine, ultimately resulting in that the deflectionbecomes …
… in a scientific point of view, lacking when it comes to harvesting for biomass energy. Within the next decades it is expected that 280 000 hectares of lodgepole pine will have reached thinning age on the domains of Svenska Cellulosa Aktiebolaget (SCA). Due to this the interest …
… and substance flow analyses. The model is used for calculating emissionsand energy consumption for a waste system. It is thought as a tool for simulating different treatment methods for liquid and solid waste in a given area. The alternatives to landfill that have been studied …
… depended on how hard the water was bond to the particles of the substrate. The energy removed with aeration from the containers became higher as temperature rose; however, the fastest drying was obtained at higher temperatures. The amount of energy used to evaporate one gram of …
scenarier för efterbehandling och gestaltning av Aitikgruvan, Gällivare
… constituting almost 3600 acres, can according to the proposal be developed for energy production, either by the establishment of a wind power park, and/or cultivation of energy crops. Parts of the infrastructure of the mine can be reused and new job opportunities can be created.
… these test where used to calculate the treatment effectiveness and resulting energy potential at the mill. The literature study and constituent analysis showed that toxicity of the water to be treated, due to wood extractives and sulphur content, was of concern. Detoxification …
… systems. The aim of this master thesis is to quantify the amount of produced energy and recommend routines to collect and analyse production data, to make production data accessible by the public and to gain experience for future installations. The total amount of produced …
