Utvärdering av två förenklade metoder för livscykelanalyser
Utvärdering av två förenklade metoder för livscykelanalyser
Utvärdering av två förenklade metoder för livscykelanalyser
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Innehålls<strong>för</strong>teckning<br />
Innehålls<strong>för</strong>teckning<br />
Förord ........................................................................................................................................1<br />
Innehålls<strong>för</strong>teckning .................................................................................................................5<br />
Sammanfattning ........................................................................................................................8<br />
1. Inledning................................................................................................................................9<br />
1.1 Miljösystemanalytiska verktyg ..................................................................................................9<br />
1.2 Försvarets materielanskaffning .................................................................................................9<br />
1.3 Kort om <strong>livscykelanalyser</strong> ........................................................................................................10<br />
1.4 Målsättning ................................................................................................................................10<br />
2. Metodik <strong>för</strong> det genom<strong>för</strong>da projektet ...............................................................................11<br />
3. Livscykelanalys, LCA ..........................................................................................................12<br />
3.1 Ut<strong>för</strong>ande ...................................................................................................................................12<br />
3.2 Förenklad livscykelanalys.........................................................................................................15<br />
3.2.1 Förenklad kvantitativ LCA ................................................................................................................. 15<br />
3.2.2 Screening............................................................................................................................................. 16<br />
3.2.3 Kvalitativ LCA.................................................................................................................................... 16<br />
4. Fallstudien ...........................................................................................................................18<br />
4.1 Den kvantitativa fallstudien .....................................................................................................18<br />
4.2 De kvalitativa fallstudierna ......................................................................................................19<br />
4.2.1 MECO................................................................................................................................................. 19<br />
4.2.2 SLCA .................................................................................................................................................. 26<br />
5. Resultat från fallstudierna ..................................................................................................29<br />
5.1 Resultat efter användning <strong>av</strong> MECO-metoden ......................................................................29<br />
5.2 Resultat efter användning <strong>av</strong> SLCA-metoden........................................................................35<br />
5.3 Resultat enligt den traditionella LCA-studien........................................................................36<br />
5.4 Jäm<strong>för</strong>else <strong>av</strong> resultaten från de olika studierna ...................................................................37<br />
6. Resultat och diskussion <strong>av</strong> utvärderingen ..........................................................................39<br />
6.1 <strong>Utvärdering</strong> <strong>av</strong> MECO- och SLCA-<strong>metoder</strong>na......................................................................39<br />
6.1.1 Resultatjäm<strong>för</strong>else............................................................................................................................... 39<br />
6.1.2 Metodernas användbarhet ................................................................................................................... 40<br />
6.1.3 Kommentarer om MECO-metoden..................................................................................................... 41<br />
6.1.4 Kommentarer om SLCA ..................................................................................................................... 42<br />
6.1.5 Slutsatser............................................................................................................................................. 43<br />
6.2 Allmän diskussion om <strong>för</strong>enklad LCA ....................................................................................44<br />
7. Litteratur<strong>för</strong>teckning ...........................................................................................................46<br />
Bilaga A. MECO-metoden.......................................................................................................48<br />
Bilaga A.1.1 MECO-matris, Elbil: 100% vattenkraft..................................................................48<br />
Bilaga A.1.2 MECO-matris, Bensinbil ..........................................................................................56<br />
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