364 uppsatser · sida 3 av 25
… increased continuously, and housings and services accounted for 40 % of the energy usage in Sweden during 2011. The expansion in number of buildings in society has resulted in an increase in both energy usage and emissions of greenhouse gases. It is crucial to enable a …
a study about the production environment and international competitiveness of wood pellets from British Columbia
… seen a rapid growth after the adoption of the Kyoto protocol and the renewable energy incentives created within the European Union. The global consumption of wood pellets reached 13,5 million tonnes in 2010 and several experts estimate the consumption to be between 35-50 million …
Energy Director is a control and measuring system for energy consumption and is part of the product portfolio of E.ON AG for more efficient use of energy, offered to business customers. As of today, the system has only one parameter of control, namely power, and the objective of …
… small drops. The drops are rapidly cooled in a water bath where all the heat energy from the liquid metal is transferred into the water. The granulation is often performed with great metal flows, normally 1-4 tonnes of metal is granulated per minute. The energy that is …
… the nearby future. The European leaders are expressing concern that renewable energy sources are not being used to their full potential. The 2001/77/EC Directive on Electricity Production from Renewable Energy Sources was accepted in 2001 to encourage the development of energy …
En fallstudie av Himmerfja?rdsverket
In a sustainable society the use of renewable energy and recycling of materials is of high importance. Wastewater treatment plants use large amounts of energy in the processing of wastewater. This study seeks to evaluate wastewater as an energy resource and to examine treatment …
The energy consumption continues to increase as the use of electronics and energy consuming equipment increases. The use of fossil fuels has to be phased out for this to be sustainable in the long run while the use of renewable energy continues to increase. A renewable energy …
en ekonomisk studie
Since the turn of the millennium a sharp increase in the interest for bio energy has been observed. Important reasons for this growing interest can be due to the fact that fossil fuels are a finite resource. A net discharge of greenhouse gases occur when fossil fuels are burned …
fallstudie i Värmdö kommun
… cadmium that is at the same time added to the field; Use of clean water; and Energy used for producing materials, construction and operation for the sewage systems, including taking care of the residues. In this study, six different sewage systems have been studied. They include …
… for this is because sugar- and fodderbeets contain the highest amount of energy per hectare arable land for crops, and therefore it is interesting to study how to optimize the use of this energy. Usually the beets have to be stored after the harvest since the most of the beets …
Jämförelse av färska, stuklagrade samt ensilerade betor i laboratorieskala
… for this is because sugar- and fodderbeets contain the highest amount of energy per hectare arable land for crops, and therefore it is interesting to study how to optimize the use of this energy. Usually the beets have to be stored after the harvest since the most of the beets …
Implementering av tysk prefabteknik
Construction accounts for about 35 percent of the total Swedish energy consumption and most of the energy is used by the large housing stock from the so-called ”Million program”. In the national action plan the government has put forward in energy efficiency. It is mentioned …
In today’s modern age, energy consumption has become a major issue, both from an environmental viewpoint and cost perspective. Because of a rapid technologic change and increased costs of production of electricity, the demand to develop effective methods for energy efficiency …
a study on production conditions and international competitiveness
… led to large scale power producers importing their biomass needs. Due to high energy content and homogeneity, wood pellets have become an internationally traded commodity used for large scale power production. The Baltic States have emerged as one of the largest wood pellet …
en teknisk och ekonomisk utredning
… facility. By producing heat, electricity and pellet in a joint process the energy use can be decreased. The production can also be more cost efficient due to a lower investment cost when using the same boiler etc, for different purposes. The purpose of the thesis is to …
