67 uppsatser · sida 3 av 5
… costs. Transport costs represent here approximately 23% of the total costs of wood procurement. The study also showed that Hallsta’s use of their existing timber terminals in the north, reduces their total cost of wood supply significantly. This reduces the total costs about 4 …
en bakgrundsstudie samt simulering av inventeringsmetoders inverkan på noggrannhet i leveransprognoser till sågverk
… by satellite, creates the technical apportunities for tailoring the wood flow to customer requirements. Normally, when studying sampling methods for estimating log yield after clear cutting, the results are presented as total volumes of timber for pine and spruce. The results …
… the use of automatic dampers. If you reschedule the running times for the wood chipper and invest in some kind of load management, for example Sydkraft’s ”Energidirigent” you can save at least 42 000 kr. This goal can be reached by lowering the subscription to maximum 1800 kW …
En LCA-analys med fokus på koldioxidutsläpp samt en LCC-analys
… of the system boundary, that contributes to greater carbon emissions for the wood- and the concrete bridge. The life-cycle cost analysis was calculated with a lifespan of 40 years and covers the basic cost of investment, operating and maintenance, and decommissioning costs. The …
… and Skogsforsk. . During the last twenty years the prices on pulp wood and saw log have substantial decreased, but during the same time the the volumes from final felling have increased and the cost for felling has decreased, this investigation shows how the netprofit per …
besökares upplevelser i norra och södra Sverige
… land of equally value. The visitors? grading of the even high, edge of the wood were not different from the judgment of the step formed, edge. If the results may be generalized they show that the area of young forest should be limited in recreation areas in both parts of the …
… of the saw timber that contains cutting cracks, their financial cost in lost wood value and also give advice and suggestions on how to work against the frequency of cutting cracks. For the field-study some guidelines where used to make sure that the samples were taken under the …
… of 70s and the beginning of 80s, 18 terminals was built and used for chipping wood residue from clear cuttings. Most of the terminals was terminated before the 2000s but with the high oil- and energy prices that we can see today there might be a place for these terminals again …
… 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 …
… to calculate upon my parents? farm, which today heats the dwelling house with wood. This is very time-consuming work, time which could be spent on other work. The main objective for this study is to compare three different heating systems to decide how they differ considering …
Generally, the economic health of Swedish roundwood truck transport companies has not been good. Profitability is important for maintaining the stability in the transport business, which is a condition for long-term transport planning in the forestry sector. The scope of this …
en jämförande studie av fyra flödeskedjor från avlägg till förbrukare
… years the price for biomass energy has increased to the same level as pulp wood. The high price on biomass energy and the large areas of stands in the need of brushing has created a new market with its own technical, economical and environmental conditions. There is a …
… 14 000 kWh for heating, 5000 kWh for tap water and 8100 kWh for electricity. A wood furnace delivers the heat and the electricity is bought from the electricity company Fortum. Before you decide to change how you heat your house or the way you get your electricity, you need to …
… The forest road net most important mission is to make it possible to deliver wood from the forest to the industries. With a raw material that is spread over a large area the road network is important. Each year has the forest road network been extended with about 1 700 km new …
… cost.The lifted stump volume (m3f) was on average 35% of the harvested stem-wood volume (m3fub).
