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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Technical rule [CURRENT]

DVGW W 221-4
Residues and by-products of drinking water treatment plants - Part 4: Use of backwash waters from drinking water purification

Title (German)

Rückstände und Nebenprodukte aus Wasseraufbereitungsanlagen - Teil 4: Nutzung von schlammhaltigen Wässern aus der Trinkwasseraufbereitung

Edition 2016-03

Original language German

Price from 39.92 €

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

DVGW W 221-4 Residues and by-products of drinking water treatment plants - Part 4: Use of backwash waters from drinking water purification

Want to learn more?

DVGW W 221-4
Residues and by-products of drinking water treatment plants - Part 4: Use of backwash waters from drinking water purification