Verfahren für die Behandlung von Abwässern aus Wäschereien von fettiger Wolle.

摘要

The present invention provides an improved process for treating effluents from yolky wool scouring processes, characterised by comprising the following four stages in the order given: a) a first stage of flocculation/precipitation of the flocculable/precipitable contaminants and separation of the liquid phase from the solid phase, which consists of purification sludge; b) a stage of anaerobic treatment; c) a second stage of flocculation/precipitation and separation; and d) final aerobic treatment. d