Uppsatser om carbon

358 uppsatser · sida 9 av 24

Miljömål 17

Hållbar konsumtion : Ett försök att integrera den svenska konsumtionens globala miljöpåverkan med miljömålssystemet

Examensarbete, avancerad nivå · Umeå universitet

… environmental input-output analysis, ecological footprint, water footprint, carbon footprint and environmental space. An earlier proposal for a seventeenth environmental objective was reviewed, called Restricted environmental pressure in other countries. In the discussion anew …

Proveniensbestämning av vikingatida hornmaterial

En studie utifrån stabila isotoper

Masteruppsats · Stockholms universitet

… Gotland in the Baltic sea. This was done by analysis of the stable isotopes of carbon, nitrogen and sulphur. Thre were never any living population of these mammals on Gotland during the Viking age. ?34S-values of sulphur from this study was compared with earlier research and by …

Ärtrev som substrat för biogasproduktion

En litteraturstudie och rötning i labbskala

Kandidatuppsats · Högskolan i Halmstad

… of gas production, gas composition, content of dry matter and organic matter, carbon / nitrogen-ratio and pH have been performed.The results from lab scale digestion show that the pea residue has a methane potential of 300-400 liters of methane per kg VS during 25 days of …

Biogas på Wapnö

Analys av framtida energisystem

Kandidatuppsats

… the need of purchased energy.The results show that Wapnö can reduce their carbon emissions with 5600 tons of carbon dioxide per year with a future biogas plant in operation. The results also show that the waste heat, combined with a heat pump, is the most cost efficient way to …

Studie i att ersätta kärnkraftsreaktor med biobränslealternativ

Kandidatuppsats · KTH

… the investments and variable costs are investigated. To conclude the work the carbon emissions due to transports of biofuel are examined.The literature study on biofuels were discussed and resulted in that the project was defined towards woodchips. Due to several aspects the …

En jämförelse av RDF och avfall som förbränningsbränsle

Kandidatuppsats · KTH

… years for RDF-combustion and 4.24 years for combustion of MSW.Emissions of carbon dioxide and nitrogen oxide are both higher when incineration of 540 kg RDF takes place in a fluidized bed, than of a ton of MSW in a stocker grate incinerator. Emission of carbon dioxide is 17,7 …

En kostnadsanalys av energieffektiva flerbostadshus

Kandidatuppsats · KTH

… accounts for 33 % of energy consumption and just below 10 % of the emission of carbon dioxide. As a consequence of the external pressure from climate change it’s in everybody’s interest to reduce the energy consumption and thus reduce the emission of carbon dioxide. An …

Livscykelanalys

Pelletspanna från kvänum energi

Kandidatuppsats · Högskolan i Skövde

This study will identify the environmental impact in terms of carbon dioxide for a boiler house on behalf of Kvänum energi. The boiler central consists of a main building, which in turn contains multiple components such as boilers, pipes, etc, the boiler central uses pellets …

Återvinning av industriell restvärme som värdeskapande process

En fallstudie på SSAB EMEA i Borlänge

Masteruppsats · KTH

… in-house district heating within the steel factory site, reduced emissions of carbon dioxide, media attention and an improved brand and that the waste heat collaboration possibly made SSAB a more desirable employer. The use of industrial waste heat for district heating in …

Kraftspelsanalys av transportstag

Prefabricerade väggelement i betong

Kandidatuppsats · Högskolan i Halmstad

… stability than alumina, but also presented a different cause of deactivation, carbon formation. In addition, a kinetic model was obtained for the titania-supported catalyst, and a study of the effect of different operating conditions (temperature, composition and partial …

Miljöpåverkan av bomullsväv för flamskyddade arbetsbyxor

Kandidatuppsats · Högskolan i Borås · 2012

… the survey, in which the quantity of chemicals, water and energy use and carbonemissions were calculated per work wear trousers of the minimum order.Compilation of results indicates the use of 2,5 kg chemicals, 10,3 liters water,756Wh energy and 0,4 kg release of carbon dioxide …

Ljudabsorbent - Origamiblomma

Examensarbete, grundnivå · Chalmers tekniska högskola

To reduce emissions of carbon dioxide (CO2) Carbon Capture and Storage (CCS) technologieshave been developed. Chemical Looping Combustion (CLC) is a CO2 capture technologywith the CCS framework, and at Chalmers University of Technology in Gothenburg,Sweden, a 100 kW chemical …

Recept- och rapporthantering inom blandningsteknik

Examensarbete, grundnivå · Chalmers tekniska högskola

To reduce emissions of carbon dioxide (CO2) Carbon Capture and Storage (CCS) technologieshave been developed. Chemical Looping Combustion (CLC) is a CO2 capture technologywith the CCS framework, and at Chalmers University of Technology in Gothenburg,Sweden, a 100 kW chemical …

Halvledarreläer

Examensarbete, grundnivå · Chalmers tekniska högskola

To reduce emissions of carbon dioxide (CO2) Carbon Capture and Storage (CCS) technologieshave been developed. Chemical Looping Combustion (CLC) is a CO2 capture technologywith the CCS framework, and at Chalmers University of Technology in Gothenburg,Sweden, a 100 kW chemical …

Modellering av mekatroniksystem för spjällstyrning

Examensarbete, grundnivå · Chalmers tekniska högskola

To reduce emissions of carbon dioxide (CO2) Carbon Capture and Storage (CCS) technologieshave been developed. Chemical Looping Combustion (CLC) is a CO2 capture technologywith the CCS framework, and at Chalmers University of Technology in Gothenburg,Sweden, a 100 kW chemical …