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Title: Evaluation of the first nine years operating data of a RO brackish water desalination plant in Las Palmas, Canary Islands, Spain
Authors: Ruiz-García, A. 
Ruiz-Saavedra, E.
Pérez-Báez, S. O. 
González-González, J. E. 
UNESCO Clasification: 3308 Ingeniería y tecnología del medio ambiente
330806 Regeneración del agua
Keywords: Brackish water
Reverse osmosis
Desalination plants
Operating data
Issue Date: 2015
Journal: Desalination and Water Treatment 
Conference: Conference on Desalination for the Environment - Clean Water and Energy 
Abstract: The RO brackish water desalination plant described in this paper has been operating from June 2004 without using acid in the pretreatment and only using antiscalants during 75.000 h with the same RO elements. The present research describes the graphical evolution of the operating information of the first nine years. A study of the normalization and standardization of the information about the nine years of evolution of the plant for fixed feedwater conditions, operating pressure, and system recovery are also shown, so that the performance evaluation of the plant can be indicated correctly. From these results it has been deduced the compaction and fouling factor values, and the average ionic permeability coefficients of the RO membrane utilized. Likewise, this paper describes the graphic evolution of the brine Langelier saturation index and Stiff and Davis stability index (actual and theoric values). The conclusions of this study and the operating experience are intended to get a practical and optimum design of RO brackish water desalination plants without using acid in the pretreatment and having a reasonable operating life between 9 and 10 years.
ISSN: 1944-3994
DOI: 10.1080/19443994.2014.939485
Source: Desalination and Water Treatment [ISSN 1944-3994], v. 55 (9), p. 2555-2561
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