/ KARA/NOVEREN www.karanoveren.dk Longlife 25.09.2009
/Danish waste management model The Waste hierarchy (goals 2012) Waste Recycling Incineration Landfilling Waste Prevention Reprocessing Min. 65 % Max. 26 % Max. 6 %
/After reforming of the municipality structure
/ Brief about KARA/NOVEREN A joint municipal company owned by 9 municipalities: Greve, Holbæk, Kalundborg, Køge, Lejre, Odsherred, Roskilde, Solrød and Stevns municipalities Total population in the 9 districts are 364,436 inhabitants (2007) The Board consists of 9 members, one from each of the municipality which have a share of K/N 120 employees, approx. 100 employed in the operation and the rest in administration In 2007 treated KARA / NOVEREN total of 375,657 tonnes of waste
/ Treated waste after the plant types in 2007 Plant Amounts (tonne) Incineration 204.000000 Recycling 76.957 Recycling terminals (Holbæk & Gadstrup) 38.611 Landfilling (Audebo, Hedeland & Køge) 28.529 Hazardous waste* 3.994 Composting (Audebo & Vig) 23.566 Treated waste total 375.657 * Farligt affald dækker over modtagne mængder på genbrugspladserne og Gadstrup. Tallene er de samlede modtagne og behandlede mængder på anlæggene
/ KARA/NOVEREN Landfill Incineration Administration Recycling
/ Recycling stations (8 soon 15) 32 fractions
/ Recycling stations - results % Fordeling ton % Fordeling Sltfordeling af affald modtaget på KARA/NOVERENs genbrugspldser Udviklingen i affaldsmængder på KARA/NOVERENs 100% genbrugspladser 80% 30 23 26 60% 40% 20% 80.000 60.000 40.000 20.000 0 8 0.0 0 0 6 0.0 0 0 Affaldsmængder på genbrugspladser 4 0.0 0 0 0% 44 26 2 0.0 0 0 0 2003 2004 2005 2006 2007 2008 Mængder 14.653 18.242 56.211 62.822 77.000 74.000 År 38 29 39 41 100% 30 23 26 16 15 8 80% 25 21 27 16 15 8 60% 38 29 44 40% 58 63 65 20% 25 39 21 27 41 26 0% 2003 2004 2005 2006 2007 2008 2 0 0 3 2 0 0 4 2 0 0 5 2 0 0 6 2 0 0 7 2 0 0 8 Recycling Å r WtE Landfill År Genbrug Nyttiggørelse / Forbrænding Deponering 58 63 65 2003 2004 2005 2006 2007 2008 M æng d er 14.6 53 18.2 4 2 56.2 11 6 2.8 2 2 77.0 0 0 74.0 0 0 År Egne tal KARA/NOVEREN 2008
/ Recycling terminal Paper and cardboard
/ Incineration
/ Environmental Protection 700 600 500 400 300 200 100 0 Average amount of waste incinerated per capita in Europe in 2004 Kg / per inhabitantitant Denmark* Sweden* Norway Finland UK Netherland* Germany* Czech Rep* Hungaria* Austria* Italy* Switzerland* France* Spain* Portugal* Belgium Luxembourg Country *Members of CEWEB (Confederation of European Waste-To-Energy plant)
/Waste to Energy 1 tonne of waste 2 MW heat 2/3 MW electricity + In comparison, 1 household are using approx. 3000 KW power annually (3MW) Rambøll/Renosam 2006
/Production of electricity and heat per tonne of municipal waste incinerated 3 2,5 Electricity Heat 2 1,5 MWh/ton 1 0,5 0 Sweden Czech Rep Denmark Norway Finland Switzerland Netherland Germany Hungaria France Italy Spain Belgium Portugal Austria UK Tal 2005 Kilde: Avfall Och Miljo nr. 5 2008
/ Emissionfactors Fuel types Emission Coal Gasoil NG Waste CO 2 (kg/gj) 95 74 57 18 CO 2 Indeks 528 411 317 100 CH 4 (g/gj) 1,5 1,5 15 0,6 CH 4 Indeks 250 250 2500 100 N 2 O(g/GJ) 3 2 1 1,5 N 2 O Indeks 200 133 67 100 SO 2 (g/gj) 45 23 0 23,9 SO 2 Indeks 188 96-100 NO x (g/gj) 130 52 50 124 NO x Indeks 105 42 40 100 Emission factors for different fuel types. Source: Danish Energy Agency, the 2003 figures.
/ Recycling and waste incineration Are they conflicting? Treatment of municipal waste in Europe - 2006 100% 80% 60% 40% 20% 0% Germany Holland Belgium Denmark Sweden Austria Luxembourg France Spain Italy Finland UK Portugal Czech Rep Hungary Greece Poland Recycling and composting WtE Landfilling Kilde: Eurostat
/ District heating network in greater Copenhagen KARA/NOVEREN DH plan Copenhagen. 70% VE in 2015. 87% in 2025
/ Incineration capacity in Roskilde Existing conditions: Line 3 (7 tonnes/hour) from 1981. Heat Producing Line Line 4 (7 tonnes/hour) from 1989. Heat Producing Line Line 5 (20 tonnes/hour) from 1999. Combined heat and power producing line Treatment approx. 250,000 tonnes / year Future issues: Line 6 (25 tonnes/hour) to start operations in 2013. CHP line. Line 6 replaces Lines 3 and 4 Treatment approx. 350,000 tonnes annually
/Technical data for Line 5 20 tonnes per hour, 70-110% load, ABB Turbine (14 MW) Water-cooled grate consisting of 2 equivalent gratings (right and left) with 5 air zones Horizontal boiler - 400 C / 40 bar steam District heating, no cooling Flue gas cleaning from ABB (ESP, wet HCl/SO2 with limestone, bag house filter, SNCR) Around 8000 hours annually. ABB Advant CMS
Turbine Generator Elektricitet Luft NH3 Kold fjernvarme Varme udveksler Varm fjernvarme Aktivt kul Affald Forbrænding Kedel Elektrofilter Posefilter Emission Skorsten Gittersigte Bundaske Flyveas ke Vand Vand Kalk SO2 HCl Køling / Ovn 5 Afvanding WWT Spildevandsbehandling Gips Filterkage Spildevand
/ Neighbourghs Great acceptanse No complains on smell or rats/flies Many visitors (schols, politicians, neighbourgs etc.) CO2 neutral power and heat cheap district heating no problem
/ Landfill