Annex C: Technical Annex
Waste Strategy Areas
Figure C-1 Scotland's Waste Strategy Areas
Source: SEPA
Selected cost data
Table C-1 Defra-derived processing cost estimates (£)
Category | Cost per tonne (2002 prices) | Cost per tonne with inflation ( SQW estimate) |
|---|
Composting Small | 19 | 22.8 |
|---|
Composting Large | 14 | 16.8 |
|---|
Anaerobic digestion, small | 28 | 33.6 |
|---|
Anaerobic digestion, large | 14 | 16.8 |
|---|
MBT small | 42.5 | 51 |
|---|
MBT large | 32.5 | 39 |
|---|
EfW small | 52.5 | 63 |
|---|
EfW large | 44 | 52.8 |
|---|
Source: Defra: Delivering the landfill directive (2002)
Table C-2 Assumptions underlying landfill gas estimates
Element | Value |
|---|
Methane yield per tonne | 120 |
|---|
KWh per cubic metre | 2 |
|---|
Price per MWh | £45 |
|---|
Value per tonne of landfill | £10.8 |
|---|
Source: Kurian, Joseph, Energy from sustainable landfills
Table C-3 In-Vessel Composting - sources for infrastructure costs/capacity
Site | Capacity | Capital cost | Source |
|---|
East Riding Council | 30,000 | 3,500,000 | http://www.thisishullandeastriding.co.uk/environment/3-5-hi-tech-composting-plant/article-1043021-detail/article.html |
|---|
Gwynedd County Council | 5,000 | 1,600,000 | http://www.recycle.co.uk/news/747000.html |
|---|
Longwood Quarry | 50,000 | 12,000,000 | http://www.thisislincolnshire.co.uk/news/12m-composting-plant-plan-village-quarry/article-788269-detail/article.html |
|---|
Blaise Farm Quarry | 50,000 | 12,000,000 | http://www.letsrecycle.com/do/ecco.py/view_item?listid=37&listcatid=217&listitemid=51979§ion=composting |
|---|
Galdenoch Composting plant | 18,000 | | http://www.dumgal.gov.uk/index.aspx?articleid=4636 |
|---|
Bristol | 30,000 | | http://www.letsrecycle.com/do/ecco.py/view_item?listid=37&listcatid=322&listitemid=9799 |
|---|
Source: SQW
Table C-4 Windrow composting - sources for infrastructure costs/capacity
Source: SQW
Table C-5 Energy from Waste - sources for infrastructure costs/capacity
Source: SQW
Table C-6 Mechanical Biological Treatment - sources for infrastructure costs/capacity
Site | Capacity | Capital cost | Source |
|---|
Milton Keynes | 115,000 | 36,000,000 | |
|---|
Source: SQW