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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Veröffentlicht in:	Desalination 2003-02, Vol.153 (1), p.265-272
Hauptverfasser:	Dababneh, Awwad J., Al-Nimr, M.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	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