Uppsatser om biomass production

61 uppsatser · sida 2 av 5

The effect of new raw materials on pellet prices

Examensarbete, avancerad nivå · SLU

As demand for renewable energy is increasing rapidly, the market for biomass pellets is expected to continue to grow in the near future. Most of the new raw materials that are discussed for pellet production have one thing in common; the production costs will increase compared …

Export of wood pellets from British Columbia

a study about the production environment and international competitiveness of wood pellets from British Columbia

Masteruppsats · SLU

… on the South Korean market is dependent on how much wood pellets or similar biomass based products that can be delivered from Asian countries which currently have a lower price level. Several future challenges for the future wood pellet export have been identified in this study …

Biobränsle från det jämtländska jordbruket

en studie om lantbrukarnas alternativkostnader vid odling av rörflen

Examensarbete · SLU

… by 20 percent the year of 2020. To reach these goals, the use of energy from biomass in the European Union will have to increase by 117 percent. Forest is the primary producer of bio energy in Sweden. Farmland as a producer of bio-energy is a scantly used resource. 70 000 …

Bioenergi från röjningsgallringar

en jämförande studie av fyra flödeskedjor från avlägg till förbrukare

Examensarbete · SLU

… has increased by about 100 000 hectares per year. In later 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 …

The bioavailability of soluble oxalates in stir-fried silver beet leaves

Magisteruppsats · SLU

… The treatments with high nutrient levels showed the highest levels of biomass but the nutrients had to be added gradually to avoid osmotic stress. However the treatments with a small nutrient supply produced more biomass per unit of applied nutrients than treatments with high …

Gestaltningsförslag för Norbyvreten

från kvarterspark till stadsdelspark

Kandidatuppsats · SLU

… The treatments with high nutrient levels showed the highest levels of biomass but the nutrients had to be added gradually to avoid osmotic stress. However the treatments with a small nutrient supply produced more biomass per unit of applied nutrients than treatments with high …

Konstruktion av en fotobioreaktor för odling av alger

ett småskaligt försök

Kandidatuppsats · SLU

… The treatments with high nutrient levels showed the highest levels of biomass but the nutrients had to be added gradually to avoid osmotic stress. However the treatments with a small nutrient supply produced more biomass per unit of applied nutrients than treatments with high …

Biologiska behandlingsmetoder för rening av rejektvatten från biogasproduktion

Kandidatuppsats · Linköpings universitet

… required for the plants to be able to grow in wastewater and the amounts of biomass they can produce have also been studied. The results show that Chlorella is capable of a very high uptake of nutrients in photobioreactors with high nutrient loadings. With an ammonia uptake …

Kolbalansen vid olika skötselstrategier för skogen på Tagels fastighet.

Kandidatuppsats · Linnéuniversitetet

… or energy consuming building materials,with renewable raw material such as biomass) didn’t give the result that waspredicted. It appears that the use of pulpwood is very important, if it goes tothe pulp industry no substitution effect occurs, but if all pulp will be used …

Liquid diesel biofuel production in Sweden

a study of producers using forestry- or agricultural sector feedstock

Magisteruppsats · SLU

… resources in Sweden than the production of synthetic diesel of cellulosic biomass. The firms using forestry sector feedstock were otherwise facing similar difficulties and mostly with the authorities. As they were getting more established they were expecting competition …

Effekten av kvävegödsling på gasproduktionen vintertid i boreala sjöar

Kandidatuppsats · Umeå universitet

… with low and intermediate humic content are assumed to have increased their biomass production during the ice-free season which contributed to elevated amount of available organic carbon to be mineralized to gas during winter. The absence of a fertilization effect in the very …

Simulering av COD-fraktioner i en aktivslamanläggning vid en sulfatmassafabrik

Examensarbete, avancerad nivå · Uppsala universitet

… degradable (SR), soluble inert (SI), particulate inert (XI) and particulate biomass (XB). To create the model FlowMac? was used as a base. FlowMac? is a library module in Extend adapted for pulp and paper mills. Some of the blocks only needed a slight modification while others …