Treatment of Saline Water Using Electrocoagulation with Combined Electrical Connection of Electrodes

Saline water treatment has become increasingly important for drinking water supplies. The aim of this study was to evaluate the ability of the electrocoagulation (EC) process with combined aluminum electrodes in removing various types of salt from water samples collected at Sawa Lake, Al-Muthanna, I...

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Bibliographic Details
Published in:Processes 2019-05, Vol.7 (5), p.242
Main Authors: A. Al-Raad, Abbas, Hanafiah, Marlia M., Naje, Ahmed Samir, Ajeel, Mohammed A., O. Basheer, Alfarooq, Ali Aljayashi, Thuraya, Ekhwan Toriman, Mohd
Format: Article
Language:English
Subjects:
Aluminum
Bromine
Desalination
Drinking water
Electrocoagulation
Electrodes
Experiments
Freshwater resources
Laboratories
Lakes
pH effects
Power supply
Reaction time
Saline water
Salts
Water sampling
Water supply
Water treatment
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Summary:Saline water treatment has become increasingly important for drinking water supplies. The aim of this study was to evaluate the ability of the electrocoagulation (EC) process with combined aluminum electrodes in removing various types of salt from water samples collected at Sawa Lake, Al-Muthanna, Iraq. The targeted types of salt include total dissolved solids (TDS), chloride salt (Cl−), bromine (Br−), and sulphate (SO42−). A bench scale consisting of combined EC configurations with static electrodes was employed under combined electrical connections. The effect of the six variables factors, such as applied current density (I), reaction time (RT), pH, temperature (T), stirring speed (Mrpm) and inter electrode distance (IED) were observed to achieve a higher removal of TDS, Cl−, Br− and SO42−. Initial results showed the following optimum operating conditions: I = 2 mA/cm2, RT = 80 min, pH = 8, T = 25 °C, IED = 1 cm and Mrpm = 500. The maximum removal efficiency of TDS, Cl−, Br− and SO42− were 91%, 93%, 92% and 90%, respectively. It can be concluded that the EC method applied in the present study was effective to removing salts from lake water.
ISSN:2227-9717
2227-9717
DOI:10.3390/pr7050242