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30 Evaluation of Opportunities for Converting Indigenous UK Wastes to Wastes and Energy AEA/ED45551/Issue 1 4 Arisings by Waste Type In this Chapter we consider the total arisings for the major wastes and residues on a national and regional basis. We discuss these in this chapter according to their origin. The waste streams considered are: Municipal Solid Wastes (MSW); Commercial and Industrial wastes (C&I); Construction and Demolition (C&D); Bio-solids; Agricultural residues, both Wet and Dry residues, and; Forestry Residues. The regional subdivisions used were the 9 regional development areas for England, as well as the devolved regions of Scotland, Wales and Northern Ireland. Where reliable information is available, the disposal route used by each region for the wastes and residues has also been discussed, although there is little information for many waste streams. 4.1 Municipal Solid Wastes (MSW) 4.1.1 Definition Municipal Solid Waste, commonly referred to as MSW is waste collected by, or on behalf of, a local authority, which has a legal duty to manage such wastes. MSW is comprised of: • household waste • civic amenity waste • recycling centre arisings • street litter • fly-tipped waste • commercial waste collected by local authorities. 52% 10% 10% 4% 24% Figure 5 Sources of Municipal Waste Non-household sources Other Household sources Household recycled Civic amenity sites
Evaluation of Opportunities for Converting Indigenous UK Wastes to Wastes and Energy AEA/ED45551/Issue 1 4.1.2 Composition As MSW comprises largely of household wastes, a considerable range of materials are included, for example food waste, garden waste, plastics, metals and paper are commonly present. In addition domestic hazardous and toxic waste may also be present, such as medication, paints, fluorescent tubes, spray cans, and batteries to name only a few. Table 4 shows a detailed breakdown of constituent materials, taken from a survey conducted in Wales, which could be considered typical of the UK. 19 Table 4 Composition of MSW Waste Category Weight Weight Suitable for thermal processes (‘000 tonnes) (%) Newspapers and magazines 147.3 9.0 Recyclable paper 34.0 2.1 Cardboard boxes/containers 84.4 5.1 Other paper and card 79.2 4.8 Refuse sacks and carrier bags 20.5 1.3 Packaging film 22.1 1.3 Other plastic film 3.0 0.2 Dense plastic bottles 27.1 1.7 Other packaging 24.3 1.5 Other dense plastic 22.2 1.3 Textiles 30.3 1.8 Shoes 5.9 0.4 Disposable nappies 37.7 2.3 Wood 46.3 2.8 Carpet and underlay 23.9 1.5 Furniture 24.3 1.5 Other miscellaneous combustibles 59.8 3.6 Total Suitable for composting or thermal 692.3 42.2 Garden waste Suitable for AD or composting 208.7 12.7 Kitchen waste 257.1 15.7 Other organics 34.3 2.1 Total Not suitable for energy recovery 291.4 17.8 Packaging glass 87.0 5.3 Non-packaging glass 8.1 0.5 Ferrous food and beverage cans 27.8 1.7 Other ferrous metal 51.6 3.1 Non-ferrous food and beverage cans 5.6 0.3 Other non ferrous metal 7.7 0.5 White goods 13.9 0.8 Large electronic goods 3.1 0.2 TVs and monitors 4.8 0.3 Other WEEE 10.9 0.7 Lead/acid batteries 3.7 0.2 Oil 1.0 0.1 Identifiable clinical waste 2.7 0.2 Other potentially hazardous items 5.0 0.3 Construction and demolition waste 85.9 5.2 Other MNC 45.3 2.8 Fines 86.0 5.1 Total 450.1 27.3 As can be seen there are substantial quantities of material that are suitable for energy use either by thermal processes or anaerobic digestion. 19 The composition of municipal solid waste in Wales. Report by AEA for the Welsh Assembly Government, December 2003. 31
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South East 327 - - 55% of MSW by 20
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Appendix 3 MBT Methods Specific in
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Figure 27 Orchid Environmental proc
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