Supply channel for the common supply of washing water and air for quick filters
DE1169856B
Device for purifying water
DE1147897B
Method and device for purifying water from organic substances
DE1169855B
Device for purifying water using a suspension
DE1160375B
Device for purifying water
DE1169378B
Conical steamer for cleaning liquids contaminated with solids
DE1151786B
Process for obtaining ozone from oxygen
DE1125365B
Process for the liberation of water or waste water from oxides or hydroxides dispersed therein or colloidally distributed from heavy metals or their carbonates or bicarbonates dissolved therein
DE1179913B
Device for dispersing powdery substances
DE1142798B
Inlet device for water basin
DE1117603B
Thermal trickle degasser
DE1109144B
Backwash filter of closed design with grainy filter material
DE1115716B
Filter system with horizontal pressure filter and a pipe and fittings room
