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Hållbara alternativ inom sjöfarten: En utvärdering av metanol och vågkraft som marina drivmedel
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Industrial Ecology.
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Industrial Ecology.
2015 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Förbränning av traditionellt fartygsbränsle medför utsläpp av ämnen som har negativa effekter på miljön. Uppkomsten av strängare internationella regler gällande utsläpp från sjöfartstrafiken kräver ett skifte från det konventionella marina bränslet tjockolja till alternativ med lägre utsläpp. Vågkraft och metanol är två möjliga alternativ inom sjöfarten som kan uppfylla de internationella regleringarna för utsläpp, och har i denna studie jämförts med tjockolja. Beräkningar av emissioner, kostnad och den möjliga producerade effekten utfördes med hjälp av referensfartyget M/V Fidelio som underlag. Studien visar att metanol och vågkraft bidrar med signifikant lägre utsläpp, vilket tyder på stora möjligheter att uppfylla de uppsatta internationella utsläppskraven. Däremot uppfyller de inte referensfartygets effektbehov och är kostsamma i relation till deras möjliga effektuttag. För att minska fartygens miljöpåverkan, lämpar det sig i dagsläget bättre att använda metanol och vågkraft som komplement till andra drivmedel. 

Abstract [en]

Combustion of traditional ship fuels causes emissions of substances that have negative impacts on the environment. Adoption of stricter international regulations regarding emissions from the maritime traffic requires possible substitution of the widely used conventional heavy fluid oil, with lower emissions. Wave power and methanol are two possible substitutions in the maritime traffic that could fulfill the adopted international regulations regarding emissions, and have in this study been compared to heavy fluid oil. Calculations regarding emissions, costs and the possible power generation were performed using the ship M/V Fidelio as a basis. The study presents that wave power and methanol have significant lower emissions, which increases their opportunity to fulfill the international emission regulations. However, these options fail to fulfill the ship’s power demand. Furtheremore, these alternative solutions are costly in relation to their power generation. Currently it is more suitable to use methanol and wave power as a supplement to other fuels, in order to reduce the maritime traffic’s impact on the environment. 

Place, publisher, year, edition, pages
2015.
Series
TRITA-IM-KAND 2015, 2015:17
Keyword [en]
Maritime traffic, wave power, methanol, fuels, emissions, heavy fluid oil
Keyword [sv]
Sjöfart, vågkraft, metanol, drivmedel, emissioner, tjockolja
National Category
Energy Systems Environmental Management
Identifiers
URN: urn:nbn:se:kth:diva-170601OAI: oai:DiVA.org:kth-170601DiVA: diva2:839019
Examiners
Available from: 2015-07-01 Created: 2015-07-01 Last updated: 2015-07-01Bibliographically approved

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