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The indicator shows .the annual quantity of sludge from wastewater treatment plants in Slovenia and ways of sludge treatment

Sludge from wastewater treatment plants is defined as waste material that is a by-product of wastewater purification in wastewater treatment plants or remains after emptying domestic wastewater cesspools.

The treatment of this kind of waste is governed by the Decree on waste management (Official Gazette of the Republic of Slovenia nr. 37/15, 69/15), Decree on the treatment of biodegradable waste and the use of compost or digestate (Official Gazette of the Republic of Slovenia  nr. 99/13, 56/15) , Waste management program and a program to prevent waste of the Republic of Slovenia and the Decree on the management of sewage sludge from the urban waste water treatment plants (Official Gazette of the Republic of Slovenia, No. 62/08).

Special requirements regarding the emission of substances in wastewater discharged from urban wastewater treatment plants are defined in the Decree on the emission of substances in wastewater discharged from urban wastewater treatment plants.


Charts

Figure OD08-1: Management of sludge from the urban waste water treatment, Slovenia, 2000-2014
Sources: 

Waste Water Treatment Plants Database, Environmental Agency of the Republic of Slovenia, 2016

Show data
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
production of sewage sludge 1000 t of dry matter 8.8 8.2 7 9.01 12.87 16.98 20.16 21.63 20.43 28.59
use in agriculture 1000 t of dry matter 0.3 0.5 1.1 0.46 0.13 0.07 0.03 0.02 0.01 0.01
composting 1000 t of dry matter 1 0.9 0.9 0 0 0.12 0 3.53 2.29 0.51
landfill of waste 1000 t of dry matter 7.5 6.8 5 7.13 9 9.55 9.31 9.2 8.11 5.72
other 1000 t of dry matter np np np 1.42 3.74 7.24 5.59 3.64 3.15 5.5
incineration 1000 t of dry matter np np np np np np 5.23 5.26 6.87 16.85
Figure OD08-2: Predvideno ravnanje z blatom iz komunalnih in skupnih čistilnih naprav do leta 2030
Sources: 

Waste Water Treatment Plants Database, Environmental Agency of the Republic of Slovenia, 2016

Figure OD08-3: Predvidena povprečna letna toplotna moč goriva iz blata iz komunalnih in skupnih čistilnih naprav do leta 2030
Sources: 

Program ravnanja z odpadki in program preprečevanja odpadkov Republike Slovenije, 2016


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