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Normas DIN – AENOR
DIN EN 14701-4:2007-12

DIN EN 14701-4:2007-12

Characterization of sludges - Filtration properties - Part 4 : Determination of the drainability of flocculated sludges; German version prEN 14701-4:2007

Caractérisation des boues - Propriétés de filtration - Partie 4 : Détermination de l'aptitude à l'égouttage des boues floculées; Version allemande prEN 14701-4:2007

Charakterisierung von Schlämmen - Filtrationseigenschaften - Teil 4: Bestimmung der Entwässerbarkeit geflockter Schlämme; Deutsche Fassung prEN 14701-4:2007

Fecha Anulación:
2010-05 /Withdrawn
Equivalencias internacionales:

prEN 14701-4 (2007-10)

Relación con otras normas DIN:

Reemplazada por: DIN EN 14701-4:2010-05

Resumen:
This document specifies a method for the determination of drainability of flocculated sludges. It is applicable to sludge and sludge suspensions from storm water handling, urban wastewater collecting systems, urban wastewater treatment plants, treating industrial wastewater similar to urban wastewater (as defined in Directive 91/271/EEC) and water supply treatment plants. This method is also applicable to sludge suspensions from other origin. Anycase, it is applicable to all kinds of sludges provided particles are larger than 500 µm in size. That is why the test should preferably be performed on sludges first flocculated.
Keywords:
Characterisations, Checking equipment, Definitions, Determination, Drainage, Draining, Examination of sludge, Filter property, Filtration, Filtration behaviour, Rainwater, Sewage, Sewage sludge, Sewage treatment, Sewerage, Sludge, Sludge disposal, Sludge treatment, Testing, Water practice, Water treatment, Waterworks
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