Investigating Changes in the Physical and Chemical Effects of Tartarazine Dye Remove on Industrial Wastewater by Electrocoagulation Method

Document Type : Research Article


1 Department of Applied Chemistry, Mahabad Branch, Islamic Azad University, Mahabad, I.R. IRAN

2 Department of Organic Chemistry, Faculty of Chemistry, Urmia University, Urmia, I.R. IRAN


This study has been accomplished to investigate the efficiency of electrocoagulation (EC) in aqua and determine operative condition and the effect of elements (Iron, Aluminum as an electrode), as well as, different connections in the amount of removing the tartrazine color of aqua using DC sources in an electrochemical cell, including anode and cathode the effect of each of varieties like the density of electricity circulation, time of the electrolyze distance between two electrodes, the density of electrolytic and pH which can have the most effect on color destroy. For solution 500 ppm NaCl +50 ppm tartrazine, COD (the amount O2 in chemical activity) almost equals 40 ppm in pH about 6, the density of electricity flow was about 125 Am-2 and distance between two electrodes was 2 cm in 8 min from electrolyzing almost 100% color and 90% COD were canceled in next stage. We compared the efficiency of EC cells, including monopole electrodes in parallel connection and series with EC cells including polarize electrode along with one simple cell of EC. The result of this experiment demonstrated that EC cells including monopole electrode with series connection with sacrifices electrode of aluminum and cathode, anode iron had more efficiency and when using EC simple cells, including an ironic anode and cathodic aluminum. We could see better results rather than EC simple cells including ironic anode cathode.


Main Subjects

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