OXIDATION OF PERSISTENT ORGANIC MATTER IN INDUSTRIAL WASTEWATER BY ELECTROCHEMICAL TREATMENTS

被引：0
|
作者：
Linares-Hernandez, Ivonne [1 ]
Martinez-Miranda, Veronica [1 ]
Barrera-Diaz, Carlos [2 ]
Pavon-Romero, Sergio [3 ]
Bernal-Martinez, Lina [2 ]
Lugo-Lugo, Violeta [2 ]
机构：
[1] Univ Autonoma Estado Mexico, Fac Ingn, CIRA, Unidad San Cayetano, Km 14-5 Carretera, Toluca 50200, Estado De Mexic, Mexico
[2] UAEM UNAM, CIQS, Toluca 50200, Estado De Mexic, Mexico
[3] Univ Autonoma Estado Mexico, Fac Quim, Toluca 50120, Estado De Mexic, Mexico
来源：
AVANCES EN CIENCIAS E INGENIERIA | 2011年 / 2卷 / 01期
关键词：
electrocoagulation; anodic oxidation; wastewater; organic matter;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The objective of this research was to implement an electrochemical system by electrocoagulation, using iron electrodes and direct anodic oxidation (DAO), using boron-doped diamond (BDD) electrodes from an industrial wastewater treatment plant; this local plant receives the discharge of 144 companies from Toluca-Lerma, Maxico. The results of these treatments, showed a 99% removal of chemical oxygen demand (COD), 99% color and 97% turbidity, in a period of time of 2 hours. In the coupled technique, electrocoagulation quickly coagulated and removed the colloidal and suspended particles, as well as many charged species, and DAO was very effective in breaking down persistent organic matter. The sludge generated in the system was characterized by scanning electron microscopy and elemental analysis. It is concluded electrochemical methods are applicable and efficient in the degradation of compounds, which are not readily biodegradable.
引用
收藏
页码：21 / 36
页数：16
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