AffaldVarme Aarhus. AffaldVarme Aarhus. Teknik og Miljø Aarhus Kommune

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2 The Municipality of Aarhus City Council 7 committees Municipal Authority Mayor s Dept. Dept. for Social Affairs and Employment Dept. for Technology and Environmental Issues Dept. for health and Care Dept. for Culture and Citizens Services Dept. for Youth 2

3 Dept. for Technology and Environmental Issues Alderman Secretariat Administration The Department of Planning and Building The Department of Traffic and Roads The Department of Nature and Environment The Department of Property Aarhus Fire Brigade The Department of Nature and Road Service The Department of Water and Wastewater 3 The Department of Waste and Heating

4 Waste District heat water Aarhus Waste District heat water Aarhus Staff Canteen/reception Waste WasteCentre District heat water Transmission District heat water Distribution 4

5 Employees and turnover (or trade) Employees Approx. 290 Annual turnover, 2012 Approx. 3.0 billion kr. (400 million Euro) 5

6 - A tariff financed company Politically controlled Long tradition for district heating and incineration Non-profit Separate accounts for each area (waste and heat) 6

7 District heating Handling and supply of approx. 3,500 mio. kwh district heat water based on burning of waste, coal wood chips and straw A transmissions system of 130 km which also covers 3 neighbouring cities 95% of the inhabitants in the municipality of Aarhus are supplied with district heating 52,000 customers on a distribution system of km 7

8 Transmissionssystem and heat exchangers Heat exchangers Transmissions pipes Temperature o C Pressure bar 8

9 District heating systems 9

10 Waste handling 150,000 tonnes private waste 450,000 tonnes industrial waste 6 Recycling Stations, 1 Incineration plant, 66% recycling, 4% deposit, 30% incineration Waste supplies 20% of the district heating 10

11 Waste bins for the citizens Household waste bin, container, digged down container. Glass, paper and batteries on waste islands all around the municipality Find nærmeste Sorting facilities i backyards Bulky refuse - call og order at the net Recycling station 11

12 Recycling station 6 recycling stations in Aarhus visitors in tonnes of waste collected 12

13 Garden refuse for composting Crushed garden refuse in windrows Sorted compost 13

14 Treatment of slag / clinker Slag windrows and collection of rainwater for reuse Turning of slag windrows 14

15 Waste incineration in Aarhus in

16 Waste incineration plant

17 Incineration Plant Year Incinerator Capacity Energy Flue gas cleaning 1978 Line 1 + line 2 2 x 7,6 ton/hour District heating water 1992 Line 3 8 ton/hour District heating water 1994 Line rebuild 2 x 7,6 ton/hour Electricity and district hw 2004 Line 4 16 ton/hour Electricity and district hw 2005 Line rebuild 2008/2009 Line rebuild 2 x 7,6 ton/hour Electricity and district hw Fluegas cond. watercooled wear zone and ceiling El-filter Semidry cleaning El-filter, wet cleaning Filter, wet cleaning Semidry cleaning 17

18 Furnace/boiler, line 4 18

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20 Incineration plant data t waste incinerated in t slag (clinker) og tons waste products from flue gas cleaning MWh district heated water = consumption in 31,000 houses (18,000 kwh per home) MWh electricity = consumption in houses (5,000 kwh per house) 20

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