district heating in the framework of an sustainable urban environment in vienna
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District Heating in the framework of an sustainable urban environment in Vienna. DI(FH) Stefan Fazekas 24.11.2011. Some facts on Vienna. population: 1,700,000 captial of Austria political and economical center of middle Europe 5 th richest region of Europe - PowerPoint PPT PresentationTRANSCRIPT
District Heating in the framework of an sustainable urban environment in ViennaDI(FH) Stefan Fazekas24.11.2011
Some facts on Vienna
• population: 1,700,000• captial of Austria • political and economical center of
middle Europe• 5th richest region of Europe • very good public transport system
(world‘s 5th largest tram network)• important cultural center
with popular touristic attractions
Waste issue of Vienna
• appr. 1 million t of rural wastes produced• appr. 36% of which are seperately collected and recycled or
composted• additionally 2 million m³ of sewage sludge• Vienna has a total incineration policy:
-> all non-recyclable wastes are incinerated-> all dewatered sewage sludge is incinerated
Thermal waste treatment in Vienna
0
100,000
200,000
300,000
400,000
500,000
600,000
700,000
800,000
900,000
1,000,000
1,100,000
1,200,000
700,000
300,000
100,000
rotary kilnfluidized bedgrate furncance
Tons
per
yea
r
Waste to Energy
Waste/Sludge Incineration
1,200 km of district heating and cooling network
28% 67%
electricityPower Plant
Direct heating
5%
95% Waste Energy
District heating in Vienna saves CO2 emissions!
• 2/3 of CO2 emissions saved• yearly 1 million t
CO2 emissions saved• this is equivalent with
- yearly emission of 750,000 cars- yearly emission of 250,000 houses
0
50
100
150
200
250
300
350
400
450
400
352
256
132
oil electricitynatural gas district heating
kg C
O2/
MW
h
District heating in Vienna actively protects our environment!
Future perspectives
• expansion of district cooling• new buildings are mostly connected
to district heating• expansion of tubing network• renewable energy sources (e.g.
biomass)• geothermial plant for 40,000
households
Thank you for your attention!DI(FH) Stefan FazekasFernwärme Wien GmbHphone: +43-1-31326-6376email: [email protected]