A reverse osmosis desalination unit

A reverse osmosis desalination unit is proposed to desalinate seawater. The pressure required to overcome the osmotic pressure and initiate the reverse osmotic process is provided by utilizing the mechanical potential energy results from the difference in heads between a high level column of seawate...

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Bibliographic Details
Published in:Desalination 2003-02, Vol.153 (1), p.265-272
Main Authors: Dababneh, Awwad J., Al-Nimr, M.A.
Format: Article
Language:English
Subjects:
Applied sciences
Columns (process)
Desalination
Drinking water and swimming-pool water. Desalination
Exact sciences and technology
Fickian diffusion
Mass diffusion
Mathematical models
Membrane separation process
Osmosis
Osmotic pressure
Pollution
Potential energy
Reverse osmosis process
Sea water
Seawater purification
Water treatment and pollution
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Summary:A reverse osmosis desalination unit is proposed to desalinate seawater. The pressure required to overcome the osmotic pressure and initiate the reverse osmotic process is provided by utilizing the mechanical potential energy results from the difference in heads between a high level column of seawater and a low level column of purified water. A mathematical model is proposed to simulate the proposed unit behavior under steady and transient conditions. The effect of different operating and design conditions on the purified water production rate is investigated.
ISSN:0011-9164
1873-4464
DOI:10.1016/S0011-9164(02)01145-1