DWA Industry Guide Watermanagement, Wastewater-Waste

4.5.2 Gate valves shutting flaps

6.1.7 Scrapers

6.1.8 Screens and strainers

6.2.8 Aeration installations

6.2.10 Aeration paddles

6.2.14 Pressure aeration

6.2.34 Surface aerators

6.2.53 Cylinder aerators

6.5.1 Adsorption systems

6.5.2 Activated carbons

6.5.3 Microplastics removal

7.1.18 Sludge stirrers

7.2.5 Chamber filter presses

7.2.8 Mechanical surplus sludge thickeners

7.2.14 Sludge Screening

9.2.14 Central control equipment

19.3.3 Gate valves

19.3.9 Screens

19.3.10 Screen cleaning machines

19.3.13 Gates