DWA Industry Guide Watermanagement, Wastewater-Waste

6.1.15 Grit chamber aeration

6.2.14 Pressure aeration

6.2.21 Blowers, blower installations

6.2.44 Screw-type thickeners, rotation thickeners

6.2.50 turbo compressors

7.1.6 Biogas lifting

7.7.11 Gas compressors