
Légende
Germany - Wastewater treatment in a sewage treatment plant, clarifier with brown wastewater (symbolic photo) . The first purification stage of a sewage treatment plant comprises mechanical purification (removal of coarse solids, sand, fats), the second stage the biological process (removal of nutrients by means of micro-organisms), the third stage is known as chemical-physical treatment (phosphate precipitation) . In future, a fourth treatment stage will be necessary to remove trace substances, microplastics and medicines
Date
03 août 2025
Crédit
Photo12/imageBROKER/Rupert Oberhäuser
Notre référence
BRK25H56_342
Model release
Non
Property release
Non
Licence
Droits gérés
Format disponible
59,8Mo (5,9Mo) / 44,7cm x 33,5cm / 5280 x 3956 (300dpi)