A design method of the RO system in reverse osmosis brackish water desalination plants (procedure)

This study proposes a simple design method of the Reverse osmosis (RO) system in RO brackish water desalination plants. This method is based on the application of maximum available recovery without scaling of any of the compounds present in the water as silica, calcium carbonate, calcium sulfate, ba...

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Bibliographic Details
Published in:Desalination and water treatment 2013-07, Vol.51 (25-27), p.4790-4799
Main Authors: Saavedra, Enrique Ruiz, Gotor, Antonio Gómez, Pérez Báez, Sebastián O., Martín, Alejandro Ramos, Ruiz-García, A., González, Antonio Casañas
Format: Article
Language:English
Subjects:
Applied sciences
Brackish
Brackish water
Brackish water desalination
Density
Desalination plants
Design engineering
Drinking water and swimming-pool water. Desalination
Exact sciences and technology
Guidelines
Inhibitors
Membranes
Pollution
Reverse osmosis
RO system design
Sulfates
Water treatment and pollution
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Summary:This study proposes a simple design method of the Reverse osmosis (RO) system in RO brackish water desalination plants. This method is based on the application of maximum available recovery without scaling of any of the compounds present in the water as silica, calcium carbonate, calcium sulfate, barium sulfate, strontium sulfate, and calcium fluoride, and membrane manufacturer design guidelines, and the plant production. Although the method was originally conceived for application to subterranean brackish waters in the Canary Islands, Spain (principally Gran Canaria, Fuerteventura and Tenerife), it can be extrapolated to other types of region and water treatable with RO systems. The required input data are the chemical composition of the feed water, pH, temperature, silt density index membrane manufacturer design guidelines, and the plant production. The programmed method then determines the design of the RO system. The method whose procedure is described graphically and analytically can be used as an aid in design optimization of RO brackish water desalination plants with acid-free pretreatment processes and only the use of scale inhibitor using spiral wound membranes. Practical applications are presented. The final results for different types of feed water and capacities are showed.
ISSN:1944-3986
1944-3994
1944-3986
DOI:10.1080/19443994.2013.774136