The Liebherr water treatment plant called LWA is used when recycled water cannot be used for concrete production.

Recycled cement water will be cleaned is a sewage tower with flocculant agent. Clear water can be re-used for different purposes.

• Scavenging legs (2)
• Concrete recycling plant (3)
• Washed out mixed gravel (4)
• Settling tower (5)
• Sludge pump (6)
• Clear water tank (7)
• Residual water line to the mixing plant (8)
• Flocculant concentrate (9)
• Flocculation agent (10)
• Agitator (11)
• Container for recycling water or concrete water (12)
• Fresh water supply (13)
• Sludge container (14)
• Clear water line to the mixing plant (15)