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| Titel: |
AGGREGATE CHARACTERISTICS AND TURBULENCE IN FLOCCULATION BASINS |
| Auteur: |
Glasgow, Larry A. |
| Verschenen in: |
Chemical engineering communications |
| Paginering: | Jaargang 98 (1990) nr. 1 pagina's 155-171 |
| Jaar: |
1990 |
| Inhoud: |
An investigation has been undertaken using laser-Doppler velocimetry and flow visualization to better understand the interactions of turbulent eddies with the component processes of coagulation. Coagulant-aid activation, floc structure and density, and aggregate integrity are of particular interest. A 20 liter flocculation basin with two different paddle assemblies was constructed and examined extensively. The perforated blades produced a far mote energetic gross circulation at modest rates of rotation than obtainable with the hardware cloth paddles, and a larger initial aggregate growth rate. The hardware cloth paddle assembly appeared to produce greater floc volume fraction at large aggregate diameters, however. The objective of this study was to determine the extent to which the turbulent energy distribution can be manipulated to produce desired floc properties or floc growth patterns. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 3 van 16 gevonden artikelen
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