DIN EN 14702-2:2006-06
Characterisation of sludges - Settling properties - Part 2: Determination of thickenability; German version EN 14702-2:2006
| Fecha edición: |
2006-06-01
En Vigor
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| Idiomas disponibles: | Inglés, Alemán |
| Resumen: | This standard specifies a method for the determination of the thickenability of sludge suspensions. Determination of the thickenability, i.e. the further concentration of suspended (undissolved) sludge solids in settling under gravity, through the use of laboratory mechanical assisted cylinders is negatively affected by bridging, wall effects and particle size effects. Ideally, this parameter should be measured in large-diameter columns having the same depth as the prototype thickener, but above effects can be satisfactory overcome by introducing a low-speed stirrer in a cylinder; this also helps to reduce the effect of the shallow depth. |
| Keywords: | Characterisations|Definitions|Rainwater|Sedimentation response|Setting|Sewage|Sewage sludge|Sewage treatment|Sewerage|Sludge|Sludge disposal|Sludge treatment|Solids|Test reports|Testing|Testing devices|Thickening|Water practice|Water treatment |
| ICS: | 13.030.20 - Residuos líquidos. Lodos |
| CTN: | |
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Equivalencia Internacional |
Idéntica EN 14702-2:2006 |
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Reemplazo Normas |
Reemplaza a DIN EN 14702-2:2003-07 |
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