Electrochemical removal of tannins from aqueous solutions

被引：58

作者：

Buso, A

Balbo, L

Giomo, M

Farnia, G

Sandonà, G

机构：

[1] Univ Padua, Ist Impianti Chim, I-35131 Padua, Italy

[2] Univ Padua, Dipartimento Chim Fis A Miolati, I-35131 Padua, Italy

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2000年 / 39卷 / 02期

关键词：

D O I：

10.1021/ie990192a

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The applicability of electrochemical methods to remove tannins from wastewater was investigated. Gallotannic acid was used as the reference substance. Electrochemical experiments were performed using platinum electrodes. Macroscale potentiostatic or galvanostatic electrolyses were carried out with sodium sulfate or sodium chloride as supporting electrolytes, to analyze direct and indirect oxidation processes. Operating variables such as pH and chloride concentration were considered to determine their influence on the efficiency and energy consumption of the process. The simulation of a pilot plant was carried out with a mathematical model, the parameters of which were determined by fitting of experimental profiles. The results of a preliminary investigation on the oxidation-coagulation process using sacrificial electrodes are also reported.

引用

页码：494 / 499

页数：6

共 12 条

[1] New electrochemical reactor for wastewater treatment: electrochemical characterisation [J].