Uppsatser om carbon dioxide
192 uppsatser · sida 10 av 13
energianvändning och beräkning av koldioxidekvivalenter
Kandidatuppsats · SLU
… total greenhouse gas emission for a Swedish greenhouse produced spice is 0,07 carbon dioxide equivalents. The study estimate is that for the participating companies the possible reduction of greenhouse gas emissions through energy saving measures, by almost 80 %. Sammanfattning …
Kandidatuppsats · Högskolan i Halmstad
… are handed by machines which consumes energy. This conduce emissions like carbon dioxide, methane gas and nitrous oxide. The cotton farming is settled in Peru, and from there the textile is sent via Sweden to Estonia to become a shirt. This also conduce emissions, which is shown …
Kandidatuppsats · Högskolan i Halmstad
… technologies for Gryaab might be high temperature fuel cells, like molten carbonate fuel cells, or big gas engines in MW range, like Jenbacher J624 GS, in combined heat and power. These CHP systems are flexible in fuel quality, the biogas only need simpler purification, and they …
Kandidatuppsats · Mittuniversitetet
… dependency of fossil fuels in the transport sector causes large emissions of carbon dioxide. This problem can we reduce by using vehicle gas from digested solid manure and left over of pasture. I have studied the potential for this in the county of Västernorrland. The purpose is …
Examensarbete, avancerad nivå · Linköpings universitet
Detta är ett examensarbete som genomförts hos Göteborg Energi AB och syftar till att utreda omkryogen uppgradering av biogas med fördel kan ske genom att producera nödvändig kyla medvärmedriven absorptionskylmaskin. Göteborg Energi är en av tre parter som tillsammans ska bygga …
D-uppsats · Göteborgs universitet · 2009
To be able to hinder the global warming the emissions of greenhouse gases, carbon dioxide foremost, must decrease. By switching to green electricity, it is possible to reduce the emissions from electricity producing sources.In 1999, Swedenergy conducted a study about whether or …
Examensarbete, grundnivå · Malmö högskola
Odling av mikroalger för framställning av biogas är ett relativt outforskat område. Den forskning som hittills utförts har påvisat lovande resultat tack vare möjligheten att utnyttja resurser som idag går till spillo, eller till och med utgör miljöproblem; mikroalgerna kan rena …
Kandidatuppsats · Linnéuniversitetet
… the municipality of Kalmar, the number of transports, transport distance and carbon dioxide emissions can be reduced. transshipment terminal can be analyzed, and how suppliers can change their routes when a transshipment terminal is inmplemented. Also where the transshipment …
Masteruppsats · Uppsala universitet
… site are expected to be marginal. Theenvironmental gains consist of a direct carbon dioxide reduction by approximately 22tons and 1296 tons if the recovered waste heat is to replace oil based heating.By Conclusion: The project is desirable from a triple bottom line perspective …
Kandidatuppsats · Karlstads universitet
… electricity has a major impact on the building's stress on the environment and carbon dioxide emissions from a life cycle perspective. That is also why electricity heated white goods are exchanged into appliances on district heating. By installing a larger amount of and more …
Kandidatuppsats · Uppsala universitet
… biogenic greenhousegas emissions are also important, such as the emissions of carbon dioxide and nitrous oxide from land use and the methane emissions from ruminants.For climate impact assessment of electricity, district heating, hotels and taxis it is recommended that the …
Examensarbete, avancerad nivå · Uppsala universitet
… biogenic greenhousegas emissions are also important, such as the emissions of carbon dioxide and nitrous oxide from land use and the methane emissions from ruminants.For climate impact assessment of electricity, district heating, hotels and taxis it is recommended that the …
Rötgaskammare för småskalig biogasproduktion
Examensarbete, grundnivå · Uppsala universitet
Biogas mainly consists of methane and carbon dioxide, where methane is theenergy-rich gas, and is naturally created when organic matter breaks down in absenceof oxygen, also known as anaerobic digestion. A biogas plant re-creates the anaerobicconditions inside a digester where …
en jämförelse ur djurvälfärdsperspektiv
Kandidatuppsats · SLU
Stunning of pigs at slaughter constitutes of primarily two methods; carbon dioxide and electricity. Both methods have advantages and disadvantages from an animal welfare point of view. The purpose of this study is to compare different methods of stunning pigs from a welfare …
a case study of Hennes & Mauritz, Lindex, Kappahl and MQ
Masteruppsats · SLU
… in all areas, ranging from policies, to supplier training, measurement of carbon dioxide emissions, employee surveys and life cycle assessments. The companies have very similar systems, programmes and actions to deal with social and environmental aspects, both in the supply …