Fluoride Removal from pretreated Photovoltaic Wastewater by Electrocoagulation: An Investigation of The Effect of Operational Parameters
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Type
Conference PaperKAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionEnvironmental Science and Engineering Program
Water Desalination and Reuse Research Center (WDRC)
Date
2012-03-21Online Publication Date
2012-03-21Print Publication Date
2012Permanent link to this record
http://hdl.handle.net/10754/552439
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In this paper, application of electrocoagulation using common iron electrode to a simulated photovoltaic wastewater after precipitation with lime (Ca(OH)2) was investigated. Electrocoagulation process delivers the coagulant in situ as the sacrificial anode corrodes, while the simultaneous evolution of hydrogen at the cathode allows pollutant removal by flotation. Several working parameters, such as initial pH, applied potential and distance between the electrodes, were studied in an attempt to achieve higher fluoride removal efficiency. The optimum conditions for the process were identified as pH = 6, the distance between electrodes = 1 and an applied potential of 30 V. Furthermore fluoride removal is under the direct discharge standards.Results showed high effectivenessof the electrocoagulation method in removing fluoride from aqueous solutions.Citation
Fluoride Removal from pretreated Photovoltaic Wastewater by Electrocoagulation: An Investigation of The Effect of Operational Parameters 2012, 33:385 Procedia EngineeringPublisher
Elsevier BVJournal
Procedia EngineeringConference/Event name
1st International Seminar on Water, Energy and Environment, ISWEE'11Additional Links
http://linkinghub.elsevier.com/retrieve/pii/S1877705812012490ae974a485f413a2113503eed53cd6c53
10.1016/j.proeng.2012.01.1218