1614 total sounds
  • The sewage treatment plant (9): primary settling tanks

    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 sewage treatment plant (8): the sand trap – sewage following sand removal

    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...
  • The sewage treatment plant (7): the sand pit – the sand removal building

    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...
  • The sewage treatment plant (6): the sand trap – sewage going into the sand removal building

    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...
  • The sewage treatment plant (5): fine screens

    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...
  • The sewage treatment plant (4): the main pumping station

    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...
  • The sewage treatment plant (3): coarse grids

    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...
  • The sewage treatment plant (2): the sewage inlet channel

    Sounds recorded over the sewage inlet channel from Krakow central sewage system. On sunny days, approximately 165,000 m3 sewage goes through it daily,...
  • The sewage treatment plant (1): the control room

    Soundscape recorded in the control room of the Płaszów Sewage Treatment Plant. It is fitted with operator stations and a synoptic table to monitor and...
  • Waterworks (12): the sludge press

    Sounds of the sludge thickening press. ZUW Rudawa also handles sludge generated in the water treatment process (sludge from sedimentation in post-coagulation...
  • Waterworks (11): the treated water pumping station

    Soundscape recorded in the hall of the treated water pumping station. A set of pumps and auxiliary devices suck treated water from collecting wells...
  • Waterworks (10): the chlorination building – chlorine dioxide production generators

    Operation of the chlorine dioxide production generators for water disinfection. A chemical reaction occurs in the generators; as a result of mixing...