Treatment of fruit juice concentrate wastewater by electrocoagulation: Optimization of COD removal

Year 2018, Volume: 2 Issue: 1, 53 - 57, 15.04.2018

Habibe Elif Gulsen Akbay Ceyhun Akarsu Halil Kumbur

Abstract

Depending on the growing
population and the developing industry, wastewater is encountered with
different characteristics and higher temperatures each passing day. For this
reason, researches are under way for new treatment methods that will respond to
needs in terms of cost and remediation. In this study, treatment of fruit juice
concentrate wastewater has been examined by electrocoagulation (EC). For this
purpose, the optimum conditions for the best COD removal were investigated. In
the EC process, different electrodes (aluminum, iron and steel), pH (5.5,7, 8
and 9) and current (0.6, 0.8 and 1.0 A) were studied, respectively. The results
showed that the optimum COD and color removal were obtained as 66%, 98%
respectively when the applied electrode pair were Al(+)/Fe(-), cell current was
0,8A and wastewater pH was 5.5 in 10 min. Also, the operating cost was
calculated for the optimized treatment conditions of 1 m³ fruit
juice wastewater as 2.69 US$. 

Keywords

COD removal, Electrocoagulation, Fruit juice, Operating cost, Optimization, Wastewater treatment

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