sludge cake - sludge that has been thickened to 80% water ceases to flow, can be picked up with a shovel, and is called cake
Placek osadowy


sludge circulation - the overturning of sludge in sludge- digestion tanks by me-chanical or hydraulic means or by use gas recirculation to disperse scum layers and to promote digestion
Cyrkulacja osadu


sludge collector - a mechanical device for scraping the sludge on the bottom of a settling tank to a sump from which it can be drawn
Zgarniacz osadu


sludge compartment - a separate sludge-digestion compartment incorporated in a settling process
Komora osadowa


sludge concentration - any process of the water content of sludge that leaves the sludge in fluid condition
Zagęszczanie osadu


sludge conditioning - treatment of liquid sludge, usually by the addition of chemi-cals, to facilitate dewatering and enhanced drainability
Kondycjonowanie osadu


sludge density index - the reciprocal of the sludge volume index multiplied by 100
Gęstościowy indeks osadu


sludge deposit - a deposit of solids of wastewater origin
Złoże osadowe


sludge dewatering - the process of removing a part of the water in sludge by any method such as draining, evaporating, pressi...