DWA Industry Guide Watermanagement, Wastewater-Waste

3.2.2 Aeration devices for small sewage treatment plants

3.2.3 Small sewage treatment plants with wastewater aeration (DIN 4261)

3.2.6 Maintenance of domestic sewage treatment plants

6.1.8 Screens and strainers

6.2.2 Anaerobic wastewater treatment

6.2.3 Anaerobic wastewater treatment, equipment

6.2.4 Aeration systems

6.2.8 Aeration installations

6.2.9 Aeration installations for wastewater ponds, rivers, lakes

6.2.14 Pressure aeration

6.2.16 Ejector aeration

6.2.25 clear-water extraction systems

6.2.26 Small scale sewage treatment plants with sludge stabilisation

6.2.27 Small scale sewage treatment plants without sludge stabilisation

6.2.29 Compact sewage treatment plants

6.2.32 membrane aerator

6.2.34 Surface aerators

6.2.38 Agitators

6.2.40 SBR plants

6.2.49 Turbine aerators, submerged aerators

6.5.5 Systems for irradiation using ultraviolet light

11.1.5 Breweries

11.1.13 Fish processing

11.1.14 Meat industry

11.1.19 Production and alcohol and alcoholic beverages

11.1.24 Production of refreshment beverages and beverage filling

11.1.30 Production of fruit and vegetable products

11.1.39 Milk processing

11.2.2 Agricultural operations