The design of separators based on phase inversion at low velocities in the nozzles

The present study concerns the separation of fine liquid–liquid dispersions having mean droplet diameters between 20 and 100 μm by phase inversion without bed formation. The influence of some operating parameters such as continuous phase flow rate, nozzle diameter and mean droplet diameter on the se...

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Bibliographic Details
Published in:Separation and purification technology 2004-08, Vol.38 (2), p.181-189
Main Authors: Hadjiev, D, Limousy, Lionel, Sabiri, N.E
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Dimensional analysis
Droplet diameter
Exact sciences and technology
Nozzle diameter
Phase inversion
Separators design
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Summary:The present study concerns the separation of fine liquid–liquid dispersions having mean droplet diameters between 20 and 100 μm by phase inversion without bed formation. The influence of some operating parameters such as continuous phase flow rate, nozzle diameter and mean droplet diameter on the separation efficiency is studied. As can be seen, good operating conditions always lead to high separation efficiencies and all droplets having diameters above 50 μm can be practically removed. On the basis of a dimensional analysis relationships are given which allow designing separators based on the phase inversion method operating at low flow velocities in the nozzles according to the physical properties of the system, the separator characteristics, the droplet diameter and the desired efficiency.
ISSN:1383-5866
1873-3794
DOI:10.1016/j.seppur.2003.11.006