30 uppsatser · sida 2 av 2
… are rising. As a result biomass fuel is getting more and more interesting. Wood chips is very popular, but also straw from grain production is on the table. Lunds Energi AB project a combined power and heating plant in Örtofta out of Lund. Wood chips is meant to be the main …
en fallstudie av Lantmännen Agroetanols produktionssystem i Norrköping
… for cultivation of grain, production of chemicals, the production chain for wood chips, the steam production and the ethanol plant. The grain and wood chips are both considered raw materials there for the energy content in these are not included as energy input in the system …
… components considered in the model are GROT (branches and tops), bark, dry wood chips, raw wood chips from barking and sawdust. The calculations are based on a probability distribution of historical deviations between ordered and delivered volumes. The model presents two …
Mediumstor bulkförvaringslösning
This master thesis was done for a company called BRUKS which is active in woodprocessing, bio-energy and bulk material handling industry. The idea for the master thesis was to develop a new reclaiming method for silos where wood chips are being stored. A medium segment of …
en fallstudie av Lantmännen Agroetanols produktionssystem i Norrköping
… for cultivation of grain, production of chemicals, the production chain for wood chips, the steam production and the ethanol plant. The grain and wood chips are both considered raw materials there for the energy content in these are not included as energy input in the system …
… root system between broadcast and string applied fertilizer. Fires impact on wood quality has also been investigated in this study. The aim is also to evaluate the economic impact a fire can have in a stand. Fire damaged trees from three damage classes were dissected in three …
… system consists of a truck, a chipping unit and crane mounted on a link and a wood chip trailer. The system works in such a way that the chipping unit is disconnected and placed on the site and wood chips are loaded directly into the wood chip trailer.The aim of this study was:- …
… ground material is forced through holes in a rotating die. This heats up the wood particles which cause them to soften and self bond. After the process the pellets are cooled, sieved and bagged. The milling process creates a wide range of particle sizes. How the particle size …
… sludgebark is gathered at Seskarö sawmill it contains a great deal of twigs, wood pieces, stones and other contaminations. Before the material reaches the furnance the sludgebark must be worked through so it becomes more homogeneous and clean from big stones and metal pieces …
Hållbara uppvärmningsalternativ för vandrarhemmet på Finnhamn
… that this project focuses on is a system of solar collectors combined with a wood chip boiler. Information for the project is collected from a literature review. Also persons with good knowledge of renewable energy systems, or Finnhamn and the hostel, have been contacted.The …
In the pulp industry, digesters are used to disolve lignin in wood chips. The concentration of lignin is measured and is called the Kappa number. In this thesis, the question of whether an online Kappa sensor, taking samples from the mid-phase of the digester, is useful or not …
en fallstudie i energisatsningar inom lantbruket
… of two wind-power firms, three district heating companies, two stoked with wood-chips and one with straw-bales. The last firm is one with small scale district heating stoked with grains. The analysis of the firms is made out of the perspective of the Resourced-based theory. This …
Intresset för biobränsleproducerad energi har ökat i takt med att kunderna blivit mer miljömedvetna. På grund av detta har efterfrågan på briketter ökat samtidigt som träindustrin har haft det svårt i en sviktande konjunktur. Därför har ett examensarbete utförts i samarbete med …
teknik och investeringsutrymme
… to large amounts of biofuels in the form of by-products such as straw, wood chips anddigestible materials take advantage of these assets locally. By combining production of heat withpower production at the farm it may be possible to not only reduce the direct use of fossil fuel …
Metoder för att sänka återledningstemperaturen
… of 0,30kr/kWh. Calculations also shows that it could be quite profitable, If wood chips instead were to be made, with use of the Bio-mass dryer. In a such case the income could be 2,5 Mkr/year even if the investment of the dryer would be 10 Mkr. This demand that the time of …
