Life-Cycle-Assessment for Stoves and Ovens - ESU-services Ltd.
Life-Cycle-Assessment for Stoves and Ovens - ESU-services Ltd.
Life-Cycle-Assessment for Stoves and Ovens - ESU-services Ltd.
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10000<br />
9000<br />
8000<br />
7000<br />
6000<br />
5000<br />
4000<br />
3000<br />
2000<br />
1000<br />
eta<br />
0.12<br />
0.1<br />
0.08<br />
0.06<br />
0.04<br />
0.02<br />
0<br />
90%<br />
0<br />
90%<br />
space use<br />
(m2a)<br />
70%<br />
ecotoxicity terrestrial<br />
(kg)<br />
70%<br />
50%<br />
50%<br />
Erdgas in Gasherd<br />
Fluessiggas in Fluessiggasherd<br />
Strom in Elektroherd CH<br />
Strom in Elektroherd W-D<br />
Strom in Mikrowelle CH<br />
Stueckholz in 3 Steinefeuer<br />
Stueckholz in Holzherd<br />
Kerosin in Petroleumkocher<br />
30%<br />
30%<br />
Impact <strong>Assessment</strong><br />
10%<br />
10%<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
90%<br />
10<br />
9<br />
8<br />
7<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
90%<br />
70%<br />
waste heat<br />
(TJ)<br />
50%<br />
aquatic ecotoxicity<br />
(10E6m3)<br />
70%<br />
Fig. 7 Comparison <strong>for</strong> different impact categories <strong>for</strong> a range of stove efficiencies<br />
3.4 Detailed Analysis using Eco-indicator 95+<br />
This section will give a detailed analysis of the share contributed by different impact categories<br />
to the total of Eco-indicator 95+ points calculated. Fig. 8 shows this analysis. The absolute<br />
figure of found <strong>for</strong> cooking with electricity <strong>and</strong> gas in Switzerl<strong>and</strong> was about the same.<br />
But, the two alternatives show to have a different structure of the environmental impacts<br />
caused.<br />
- 20 -<br />
50%<br />
30%<br />
30%<br />
10%<br />
10%