Recycling and optional transport of filter backwash sludge from the drinking water treatment of the Wienrode waterworks from the Wienrode shaft pond - Campaign 2021. The sludge is usually dewatered with approx. 25% dry matter content as a flat filter cake. The recycling takes place according to waste key number 190902.

Total: 7 500 t filter cake (25% TS).

See point II.1.4) Short description.