Inhaltsverzeichnis
Preamble
1 Scope
2 Normative references
3 Terms, symbols, units and abbreviations
3.1 Treatment substance
3.2 Intervention level
3.3 Redundancy
3.4 Raw water
3.5 Drinking water treatment
3.6 Drinking water treatment plant
3.7 Target value
4 Basic requirements
4.1 Quality
4.2 Treatment capacity
4.3 Legal and normative provisions
4.4 Qualification
4.5 Economic viability
4.6 Minimising principle
4.7 Process reliability
5 Planning and construction of drinking water treatment plants
5.1 Planning
5.1.1 General information
5.1.2 Selection and conceptual design of methods
5.2 Construction and commissioning
5.2.1 Construction
5.2.2 Commissioning
6 Operation and maintenance of drinking water treatment plants
6.1 Operation
6.1.1 General
6.1.2 Addition of treatment substances
6.1.3 Hydraulic operation
6.1.4 Monitoring
6.1.5 Water analysis
6.2 Maintenance
6.3 Operation documentation
6.4 Information of customers and authorities
7 Inspection of the drinking water treatment plants
Annex A (informative) – Significant process and monitoring parameters for important tasks in drinking water treatment
A.1 Removal of particles by flocculation as preliminary stage of filtration [cf. DVGW W 217 (A), DVGW W 218 (A), DVGW W 219 (A), DVGW W 220 (A)]
A.2 Removal of particles by means of rapid filtration via silica sand [cf. DCGW W 213-1 (A), DVGW W 213-2 (A), DVGW W 213-16 (A)]
A.3 Disinfection with chemical substances [chlorine, hypochlorite, chlorine dioxide, ozone; cf. DVGW W 290 (A), DVGW W 224 (A), DVGW W 225 (A), DVGW W 229 (A)]
A.4 Adsorption of organic substances at granular activated carbons
A.5 Iron removal [iron (II) filtration) and manganese removal (manganese (II) filtration; cf. DVGW W 223-1 (A), DVGW W 223-2 (A)]
A.6 Deacidification
Annex B (informative) – DVGW Codes of Practice and Technical Standards on Water Treatment (selection)
Annex C (informative) – DVGW Codes of Practice and Technical Standards with Information on the Maintenance of Water Treatment Plants (selection)
1 Scope
2 Normative references
3 Terms, symbols, units and abbreviations
3.1 Treatment substance
3.2 Intervention level
3.3 Redundancy
3.4 Raw water
3.5 Drinking water treatment
3.6 Drinking water treatment plant
3.7 Target value
4 Basic requirements
4.1 Quality
4.2 Treatment capacity
4.3 Legal and normative provisions
4.4 Qualification
4.5 Economic viability
4.6 Minimising principle
4.7 Process reliability
5 Planning and construction of drinking water treatment plants
5.1 Planning
5.1.1 General information
5.1.2 Selection and conceptual design of methods
5.2 Construction and commissioning
5.2.1 Construction
5.2.2 Commissioning
6 Operation and maintenance of drinking water treatment plants
6.1 Operation
6.1.1 General
6.1.2 Addition of treatment substances
6.1.3 Hydraulic operation
6.1.4 Monitoring
6.1.5 Water analysis
6.2 Maintenance
6.3 Operation documentation
6.4 Information of customers and authorities
7 Inspection of the drinking water treatment plants
Annex A (informative) – Significant process and monitoring parameters for important tasks in drinking water treatment
A.1 Removal of particles by flocculation as preliminary stage of filtration [cf. DVGW W 217 (A), DVGW W 218 (A), DVGW W 219 (A), DVGW W 220 (A)]
A.2 Removal of particles by means of rapid filtration via silica sand [cf. DCGW W 213-1 (A), DVGW W 213-2 (A), DVGW W 213-16 (A)]
A.3 Disinfection with chemical substances [chlorine, hypochlorite, chlorine dioxide, ozone; cf. DVGW W 290 (A), DVGW W 224 (A), DVGW W 225 (A), DVGW W 229 (A)]
A.4 Adsorption of organic substances at granular activated carbons
A.5 Iron removal [iron (II) filtration) and manganese removal (manganese (II) filtration; cf. DVGW W 223-1 (A), DVGW W 223-2 (A)]
A.6 Deacidification
Annex B (informative) – DVGW Codes of Practice and Technical Standards on Water Treatment (selection)
Annex C (informative) – DVGW Codes of Practice and Technical Standards with Information on the Maintenance of Water Treatment Plants (selection)
