General Information
    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Dr. Eldin W. C. Lim
    • Executive Editor: Mr. Ron C. Wu
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Editor-in-chief
Dr. Eldin W. C. Lim
Dept. of Chemical and Biomolecular Engineering,
National University of Singapore, Singapore
IJCEA 2013 Vol.4(3): 165-168 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2013.V4.286

Use of Desalinated Reject Water as a Source of Magnesium for Phosphorus Recovery

Kazi P. Fattah, Sina Shabani, and Aqeel Ahmed
Abstract—In this study, the formation potential of struvite has been assessed using synthetic centrate mixed with reject water of a local desalination plant. NH4H2PO4, MgCl2.6H2O, and NH4Cl were mixed in specific concentrations to simulate centrate of a wastewater treatment plant coming from centrifuge of anaerobic digesters. Due to the lack of adequate magnesium in domestic wastewater, the prepared synthetic centrate was further mixed with the reject water of MED and RO units of the desalination plant since it is rich in magnesium which is required for formation of struvite. Significant removal of phosphorus was observed through precipitation of phosphorus compounds after stirring the samples in a batch reactor.

Index Terms—Magnesium, phosphorus recovery, struvite, wastewater

Kazi P. Fattah is with the College of Engineering, Department of Civil Engineering, American University of Sharjah.(e-mail: kfattah@aus.edu)

[PDF]

Cite:Kazi P. Fattah, Sina Shabani, and Aqeel Ahmed, "Use of Desalinated Reject Water as a Source of Magnesium for Phosphorus Recovery," International Journal of Chemical Engineering and Applications vol. 4, no. 3, pp. 165-168, 2013.

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