Sewage Sludge EFW: Difference between revisions

Latest revision as of 14:59, 9 December 2020

The progressive implementation of the European Urban Waste Water Treatment Directive 91/271/EEC throughout the EU Member States is leading to an increase in the quantities of Sewage Sludge requiring Disposal. This increase is mainly due to the practical implementation of the Directive, however the constant rise in the number of households being connected to local sewerage systems is also leading to an increase in the level of Sewage Sludge requiring treatment^[1].

The Sewage Sludge Directive 86/278/EEC was adopted over 20 years ago with a view to encourage the application of Sewage Sludge in agriculture and to regulate its use in order to prevent harmful effects on soil, vegetation, animals and humans. The European Commission is currently assessing whether the current Directive should be reviewed^[1].

There is a relatively small capacity for Sewage Sludge EFW in the UK, with only three operational facilities in 2016 accepting a total of 0.1 million tonnes of sewage sludge^[2]. This amount has decreased from 0.26 million tonnes in 2010^[2]. Cement kilns accept a small amount of sewage sludge in a pelletised form to be used as an Alternative Fuel^[2].

References

↑ ^1.0 ^1.1 European Commission, 2019. Sewage sludge - Waste - Environment - European Commission. Ec.europa.eu. [online] [Accessed 4 Nov. 2019]
↑ ^2.0 ^2.1 ^2.2 Tolvik Consulting Ltd, 2017. UK Dedicated Biomass Statistics - 2017. [online] [Accessed 13 Nov. 2019].

[foo-1] 1.0 ^1.1 European Commission, 2019. Sewage sludge - Waste - Environment - European Commission. Ec.europa.eu. [online] [Accessed 4 Nov. 2019]

[bio1-2] 2.0 ^2.1 ^2.2 Tolvik Consulting Ltd, 2017. UK Dedicated Biomass Statistics - 2017. [online] [Accessed 13 Nov. 2019].

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 [[Category:Technologies & Solutions]]
-Sewage Sludge originates from the process of treatment of waste water; the physical-chemical processes sewage is subject to during treatment means the sludge tends to concentrate heavy metals and poorly biodegradable trace organic compounds, as well as potentially pathogenic organisms (viruses, bacteria etc) present in waste waters. However, it is rich in nutrients such as nitrogen and phosphorous and contains valuable organic matter that is useful when soils are depleted or subject to erosion. The organic matter and nutrients are the two main elements that makes this waste valuable as it can be spread on land as a fertiliser or an organic soil improver suitable<ref name="foo"> European Commission, 2019. [https://ec.europa.eu/environment/waste/sludge/ Sewage sludge - Waste - Environment - European Commission. Ec.europa.eu.] [online]  [Accessed 4 Nov. 2019].</ref>.
+The progressive implementation of the European Urban Waste Water Treatment Directive 91/271/EEC throughout the EU Member States is leading to an increase in the quantities of [[Sewage Sludge]] requiring [[Disposal]]. This increase is mainly due to the practical implementation of the Directive, however the constant rise in the number of households being connected to local sewerage systems is also leading to an increase in the level of [[Sewage Sludge]] requiring treatment<ref name="foo"> European Commission, 2019. [https://ec.europa.eu/environment/waste/sludge/ Sewage sludge - Waste - Environment - European Commission. Ec.europa.eu.] [online]  [Accessed 4 Nov. 2019]</ref>.
-The European directive the Urban Waste Water Treatment Directive 91/271/EEC sets an increase in the quantities of sewage sludge requiring disposal. Directive 86/278/EEC was adopted over 20 years ago with a view to encourage the application of sewage sludge in agriculture and to regulate its use in order to prevent harmful effects on soil, vegetation, animals and humans. The European Commission is currently assessing whether the current Directive should be reviewed <ref name="foo" />.
+The Sewage Sludge Directive 86/278/EEC was adopted over 20 years ago with a view to encourage the application of [[Sewage Sludge]] in agriculture and to regulate its use in order to prevent harmful effects on soil, vegetation, animals and humans. The European Commission is currently assessing whether the current Directive should be reviewed<ref name="foo" />.
-There is a relatively small capacity for sewage sludge in UK [[Energy from Waste]] facilities, with only 3 operational facilities in 2016 accepting a total of 0.1 million tonnes of sewage sludge<ref name='bio1'>Tolvik Consulting Ltd, 2017. [https://www.tolvik.com/wp-content/uploads/2018/07/Tolvik-UK-Biomass-Statistics-2017-2.pdf UK Dedicated Biomass Statistics - 2017.] [online] [Accessed 13 Nov. 2019].</ref>. This amount has decreased from 0.26 million tonnes in 2010<ref name='bio1' />. Cement kilns accept a small amount of sewage sludge in a pelletised form to be used as an [[Alternative Fuel]]<ref name='bio1' />.
+There is a relatively small capacity for [[Sewage Sludge EFW]] in the UK, with only three operational facilities in 2016 accepting a total of 0.1 million tonnes of sewage sludge<ref name='bio1'>Tolvik Consulting Ltd, 2017. [https://www.tolvik.com/wp-content/uploads/2018/07/Tolvik-UK-Biomass-Statistics-2017-2.pdf UK Dedicated Biomass Statistics - 2017.] [online] [Accessed 13 Nov. 2019].</ref>. This amount has decreased from 0.26 million tonnes in 2010<ref name='bio1' />. Cement kilns accept a small amount of sewage sludge in a pelletised form to be used as an [[Alternative Fuel]]<ref name='bio1' />.
 ==References==
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