The bell in a historic N type tram car. The sound was recorded outside the car. The N type tramcars were the first trams purchased for the city of Krakow...

The soundscape recorded in the flue gas purification hall. Combustion gases pass through a heat recovery steam generator, an emission treatment installation,...

Sound recorded in front of a steam turbine that drives an electric power generator. The heat recovered from the exhaust gas is used to produce steam that...

Sound recorded in front of the incineration chamber where waste is burned. Its thermal transformation consists of several phases. First, the waste is dried,...

The sound of crane operation which transfers waste from the bunker to the incineration zone. The recording was made in the crane cabin, which is located...

The sounds of a garbage truck passing through the car wash. Before leaving the plant, the garbage trucks are sent to a place where the vehicle wheels are...

Sound recorded at the entrance to the hall where the waste is brought by garbage trucks. In the recording you can hear the sound of garbage trucks unloading...

Sounds recorded at the sludge dewatering mixer. Fermented sludge following biogas production goes there. The dewatered sludge contains about 25% dry matter...

Sounds recorded at the sludge dewatering press. Fermented sludge following biogas production goes here. Dewatering is necessary so that the waste can be...

Sounds recorded in the building with heat exchangers which heat the sludge to a temperature of about 38oC. Heated sludge goes to four tanks which are separate...

Sounds recorded at a secondary tank, where the sludge from mechanical and biological treatment is mixed. The waste will be used for biogas production. The...

Soundscape recorded at the biological sludge thickening station. Sludge generated in the course of biological and mechanical treatment is used for biogas...