40 uppsatser · sida 3 av 3
a comparative and kinetic study of thermal decomposition for Norway spruce stump, poplar and fuel tree chips
… energy supply of 57 TWh/year. However, stump has not been recognized as a bioenergy resource in Sweden. Suitable methods for pre-treatment of stump are probably of great importance to make it accepted as fuel. It is therefore rewarding to carry out an investigation in this area …
En litteraturanalys
… generate more timber from the forest andparts from thinning can be used for bioenergy. The acceleration of growth resultingfrom the combination of increased temperature, ricing CO2level in the atmosphere andincreased nitrogen in the soil gives an increase in growth rate of about …
en växande affärsmöjlighet : Produktion av träpellets i Brasilien för export till Europa
Titel: Träpellets: en växande affärsmöjlighet Produktion av träpellets i Brasilien för export till Europa Nivå: D-uppsats i ämnet företagsekonomi Författare: Susanna Tosterud Handledare: Jonas Kågström Datum: 2012 ? Juni Syfte: Syftet med denna studie är att undersöka de …
Uppsats för avläggande av filosofie kandidatexamen iKulturvård, Landskapsvårdens hantverk, 15 hp, 2012
effektivitet och lönsamhet vid gallring i ung skog
I Sverige har sedan mitten av 1990-talet antalet bestånd där röjning inte utförts ökat. Dessa bestånd är åldersmässigt mogna för en första gallring men pga. utebliven röjning är de mycket stamtäta och dimensionerna är klena vilket gör att valet av skötselåtgärd inte är …
… increase the proportion of renewable energy has led to an increased demand of bioenergy e.g. forest biomass. However, there are concerns that removal of biomass will lead to decreased base cation concentrations in the soils and acidification of streams. In order to find in which …
a study on production conditions and international competitiveness
In the last decade, member states of the European Union have adopted a range of measures to decrease the dependency on fossil fuels. This has led to an increased use of biomass in heat and power production. In some countries, the lack of forest resource has led to large scale …
Version 1.0
… when the biogas production starts. A collaboration with, for example, "Arena Bioenergy Halland" increases business intelligence and can provide an increased influence with policy proposals. The use of gas and the interest is too low for the moment for tractors, boats, trains …
En analys av hampas (Cannabis sativa L.) förutsättningar som energigröda i Sverige
Hemp is a versatile plant with many uses that has been around for thousands of years. The plant is highly adaptable andwill cultivate in almost any soil. It has excellent remediation properties and has shown to be relatively consistent when itcomes to crop yields. The aim of …
… pulp industry no substitution effect occurs, but if all pulp will be used forbioenergy purposes, the energy scenario will be the best in terms of overallcarbon balance. The stored carbon in tree biomass over and in roots wasaffected by all scenarios. The soil carbon was almost …
