Uppsatser om straw fuel

12 uppsatser

Towards sustainable rye cultivation

soil carbon and yield modelling for crop rotations with rye

Magisteruppsats · SLU

… were tested theoretically in four different cultivation scenarios ? Straw left on the field, biogas digestate added as fertilizer. Labelled ”+straw+BD”. ? Straw left on the field, only synthetic fertilizer. Labelled ”+straw-BD”. ? Straw harvested, biogas digestate added as …

Logistik för stråbränsle :

Examensarbete · SLU

… 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 energy source, complemented by straw. In …

Försäljning av närvärme :

Examensarbete · SLU

… heat are. Fjelie has about forty houses. The idea is to build a plant where straw is being used as fuel. Being a grain grower you have access to plenty of straw. To avoid problems with smell and smoke from the plant it is being placed at our farm in the outer part of the village …

Småskaligt vattenkraftverk i Nyköpingsån

Högskoleuppsats · SLU

… interest in alternative energies is large, attention to the alternative energy straw has fallen and is almost nowhere mentioned in the literature today. Three years ago, in the Lantbruksbarometern nearly 44% of the farmers would be willing to invest in straw as heating system on …

Beslut om investering i alternativ energi

en studie om hur lantbrukare fattar beslut vid investering i halmpanna

Kandidatuppsats · SLU

… interest in alternative energies is large, attention to the alternative energy straw has fallen and is almost nowhere mentioned in the literature today. Three years ago, in the Lantbruksbarometern nearly 44% of the farmers would be willing to invest in straw as heating system on …

Förbränning av träpellets och pelleterad halm i en 40 kW rosterreaktor

Högskoleuppsats · Umeå universitet

… fuel loads were used for wood pellets (10, 20 and 30 kW) and one fuel load for straw (10 kW). Combustion of straw proved very difficult to ignite, and also led to other combustion-related technical problem such as slag formation due to the relatively low melting …

Uppvämningssystem med biobränsle

en fallstudie på Malmviks gård

Examensarbete · SLU

… are profitable already the first year. Most profitable is to heat with straw, furthermore the differences between heating with straw are small compared heating with grain and splinter. Irrespective what kind of bio fuel you use, the heating costs will decrease. The price of …

Pressning och hantering av halm som energiråvara

Examensarbete, grundnivå · SLU

I’ve tried to find the most effective and cost effective way to harvest straw for energy recovery.You can choose between round bales and big square bales. Square bales are the cheapest way to produce straw for fuel recovery because you can optimize the length of the bales so …

Småskalig biobränsleeldad kraftvärmeproduktion

teknik och investeringsutrymme

Examensarbete, avancerad nivå · SLU

… haveaccess 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 …

Miljöpåverkansbedömning vid tillverkning av etanol från cellulosabaserade råvaror

ekologisk gård självförsörjande med drivmedel

Examensarbete · SLU

… when ethanol is produced. The renewable materials that are compared are Salix, straw and reed canary-grass (rörflen). The cellulose in the material is cut down to small pieces and then hydrolysed so that the sugar from the cellulose can be fermented into ethanol. Tha amount of …

Alternativa stråbränslen i växtföljden :

Examensarbete · SLU

The purpose of this report is to find out which crops, that are good for strawfuel, and can be grown i the area around the city of Lund. The background of this report it that Lunds energy is planning to bild a biofuelheated thermal power station in Örtofta outside of Lund. I …

Teknik för vårskörd av hampa till stråbränsle :

Examensarbete · SLU

… lack of knowledge about spring harvest of the crop. Spring harvest of hemp as straw fuel produces benefits in combustion quality but appears to generate large field losses of biomass that have not yet been accounted for. A satisfactory technique exists for autumn harvest of …