Uppsatser om carbon dioxide

192 uppsatser · sida 10 av 13

Produktion av krukodlade örtkryddor i växthus och dess utsläpp av växthusgaser i Sverige

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 …

Teknik för biogasanvändning

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 …

Fordonsgas ur gödsel och vall

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 …

Kryogen uppgradering av biogas med kyla från värmedriven absorptionskylmaskin

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 …

Framtidens energieffektiva flerbostadshus

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 …

Spårtaxisystem i Uppsala

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 …

Analys och beräkning av emissionsfaktorer för växthusgaser

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 …

Teknisk undersökning

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 …

Bedövningsmetoder vid slakt av svin

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 …

Assessment methods for corporateresponsibility on the fashion scene

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 …