Treatment Of Slaughterhouse Wastewater With
Iron Electrodes
Author(s)
Ü. Tezcan Ün, A. S. Koparal & Ü. Bakir Öğütveren
Abstract
This study is mainly focused on the electrocoagulation treatment of
slaughterhouse wastewater for determining effects of the basic operating
parameters such as current density, and supporting electrolyte dosage using iron
electrodes. The performance of the cylindrical electrochemical reactor was
evaluated in batch experiments. While one pole of the power supply was
connecting to the reactor as an anode, the other was connected to a stirrer for
operation as a cathode. Experiments were carried out by introducing the cattle
slaughterhouse wastewater into the reactor and applying a certain amount of
current to the circuit. The removal efficiency of the COD increased with
increasing current density. The removal efficiencies of 51.3%, 53.8%, 59.9% and
61.2% were obtained for the current densities of 5, 10, 15, 20 mA/cm2 with the
energy consumptions of 15, 48, 91 and 168 kWh/m3 respectively. However
increasing the Na2SO4 dosage, which was added as a supporting electrolyte, from
0.1 to 0.2 M has an adverse effect on COD removal. It can be concluded from
this study that treatment of slaughterhouse wastewater can be achieved by
applying electrocoagulation.
Keywords: electrocoagulation, COD, slaughterhouse wastewater, iron electrode,
organic matter.
1 Introduction
The slaughterhouse industry is a very old human activity and, although it is still a
relatively small-scale industrial sector, its environmental impact has grown
Keywords
electrocoagulation, COD, slaughterhouse wastewater, iron electrode,
organic matter.
Related Book
Other papers in this volume
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