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International Review of Waste Management Policy - Department of ...

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1010<br />

29/09/09<br />

external costs. Emissions associated with the combustion <strong>of</strong> SRF account for<br />

over 90% <strong>of</strong> these impacts. The total direct impact is reduced to €3.27 and<br />

€1.15 for the high and low costs respectively if the incinerator significantly outperforms<br />

the WID (as previously discussed in Section 63.3.2).<br />

3. The combustion <strong>of</strong> SRF in an incinerator is assumed to avoid emissions <strong>of</strong><br />

€1.67 associated with the generation <strong>of</strong> electricity assuming high external<br />

costs or €0.58 if the lower external costs are applied.<br />

4. Where the SRF is sent to a cement kiln, external damage costs relating to the<br />

total combustion related impacts are €8.11. These damages are assumed to<br />

occur as a result <strong>of</strong> the 90% substitution ratio for SRF and coal, based on the<br />

higher emissions that occur in the cement kiln. 1254<br />

63.6 Summary <strong>of</strong> Results, Residual <strong>Waste</strong><br />

Table 63-17 and Table 63-18 summarise the results <strong>of</strong> our analysis, detailing the<br />

external costs associated with the different waste treatment technologies under the<br />

high and low external costs respectively. Climate change impacts are highly<br />

significant for landfill whilst the air quality impacts are relatively more significant for<br />

incineration.<br />

Table 63-17: Results with High External Costs<br />

Climate Climate<br />

Climate<br />

Change<br />

Change<br />

Air Air Quality Quality Total<br />

Total<br />

Landfill (50% gas capture) €80.66 €5.88 €86.54<br />

Landfill (20% gas capture) €123.62 €5.52 €129.14<br />

Incineration (meets WID) €26.24 €31.87 €58.11<br />

Incineration (out-performs WID) €26.24 €9.96 €36.20<br />

MBT aerobic biodrying / incineration €22.94 €15.38 €38.32<br />

MBT aerobic stabilisation €18.82 €3.55 €22.37<br />

MBT aerobic biodrying / cement kiln €9.16 €11.53 €20.70<br />

MBT aerobic biodrying (50% gas capture) €26.67 €15.38 €42.05<br />

MBT aerobic biodrying (out-performs WID) €22.83 €8.02 €30.85<br />

MBT aerobic stabilisation (50% gas capture) €35.84 €3.55 €39.39<br />

1254 The <strong>Waste</strong> Incineration Directive allows higher emissions limits for cement kilns co-incinerating<br />

waste than those imposed on dedicated incineration facilities.

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