Construction and optimization of a low cost reactor for the photodegradation of organic matter from natural waters and its application for the study of copper speciation by voltammetry.

被引：17

作者：

Campos, MLAM ^{[1
]}

Mello, LC ^{[1
]}

Zanette, DR ^{[1
]}

Sierra, MMD ^{[1
]}

Bendo, A ^{[1
]}

机构：

[1] Univ Fed Santa Catarina, Dept Quim, BR-88040900 Florianopolis, SC, Brazil

来源：

QUIMICA NOVA | 2001年 / 24卷 / 02期

关键词：

photodegradation; organic matter; trace metal speciation;

D O I：

10.1590/S0100-40422001000200018

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This work describes the construction of a home-made low-cost reactor, using easily available materials, capable of destroying efficiently dissolved organic matter. Just 30 minutes of irradiation were sufficient to destroy more than 99% of the humic acids present in a solution of 4 mg C L-1. Copper speciation was evaluated in natural waters of different salinities to test the reactor's efficiency in destroying organically complexed metal species. The effect of the organic matter concentration, salinity, dissolved oxygen and temperature in the photo-oxidation process is discussed.

引用

页码：257 / 261

页数：5

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