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 at the sludge dewatering mixer. Fermented sludge following biogas production goes there. The dewatered sludge contains about 25% dry matter...
Sounds recorded over the sewage inlet channel from Krakow central sewage system. On sunny days, approximately 165,000 m3 sewage goes through it daily,...
Soundscape recorded in the coarse grid hall. This is the first stage of mechanical sewage treatment. 30 mm grids retain larger solid impurities such as...
Sounds recorded above the main pumping station where sewage is pre-treated on fine screens. The pumps elevate the sewage to a height of 10 m and channel...
Soundscape recorded in the fine screen hall. Sewage goes through 6 mm fine screens. Every day, about 3 tonnes of impurities are collected from the sewage...
Sounds recorded at a place where sewage, after going through the sand trap, flows into the sand removal installation. The sand trap consists of chambers...
Soundscape recorded in the sand removal building. The installation is used for the final removal of sand from sewage (about 6 tonnes of sand per day).
The...
Sounds recorded at a site where sewage purified from sand goes towards the primary settling tanks.
The recording was made at the Płaszów Sewage Treatment...
Sounds recorded above the primary settling tank. It is one of four round tanks in which the last stage of mechanical treatment takes place, i.e. separation...
The sound of the window opening and closing in the historic SN1 tram car.
SN1 trams were the first standard gauge trams in Krakow, put into operation...
The sound of shovelling and putting sand in the tank located in the historic SN1 tram car. Sand was and remains necessary for the safe running of trams,...
