Abstract
There are a variety of industrially important liquid phase systems where membrane technology has been successfully applied for separation purposes. Such membrane processes as microfiltration (MF), ultrafiltration (UF) and reverse osmosis (RO) using polymeric membranes have been in commercial use for over two decades.
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Abbreviations
- a, A:
-
constants for a given liquid
- dU/dr:
-
shear rate
- F0 :
-
initial flux
- Fα :
-
filtrate flux when a fraction of pores (a) is blocked
- n:
-
number of monolayers of particles
- P1 :
-
tube-side (feed) inlet pressure
- P2 :
-
permeate outlet pressure
- P3 :
-
tube-side (retentate) outlet pressure
- Q:
-
total permeate rate, Equation (5.8), m3/h
- Q1 :
-
permeate rate, m3/h
- Q3 :
-
flow rate of retentate. Equation (5.7), m3/h
- t:
-
duration of operation, h
- V0 :
-
system dead volume, m3
- Vc :
-
volumetric concentration factor expressed as retentate concentration/feed concentration based on volume/flow considerations
- α:
-
fraction of the pores blocked
- α':
-
minimum retention ratio. Equation (5.3)
- α 1 :
-
initial permeate rate at = 1, Equation (5.8)
- α 2 :
-
experimentally determined parameter. Equation (5.8)
- ΔPB :
-
pressure differential between the permeate-side and feed-side under the backflushing condition
- ΔPT :
-
transmembrane pressure
- Ï„:
-
shear stress
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© 1991 Van Nostrand Reinhold
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Bhave, R.R. (1991). Liquid Filtration and Separation with Inorganic Membranes: Operating Considerations and some Aspects of System Design. In: Inorganic Membranes Synthesis, Characteristics and Applications. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-6547-1_5
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DOI: https://doi.org/10.1007/978-94-011-6547-1_5
Publisher Name: Springer, Dordrecht
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