Immobilization of iron (II) in alginate matrix and its use in textile dye degradation by Fenton processes

Quimica nova

Souza, Kely Viviane de¹  Zawadzki, Sônia Faria¹  Peralta-Zamora, Patricio¹ 

[1] Universidade Federal do Paraná, Curitiba, Brasil

关键词: Fenton process;    immobilizediron;    alginate.;   

DOI  :  10.1590/S0100-40422008000500041

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

In this work Fenton and photo-Fenton processesfor textile dye degradation were investigated using iron (II) immobilized inalginate spheres. Photomicrographs obtained by scanning electron microscopyshowed an irregular and porous surface with a homogeneous distribution of iron.The Fenton process was used to evaluate the degradation efficiency of reactivedyes and this procedure showed a low degradation effect. The association ofartificial visible light or solar radiation in the Fenton process (foto-Fentonprocess) showed degradation ratios of 70 and 80% respectively in 45 min. Itwas also observed that the iron-alginate matrix can be reused.

【 授权许可】

CC BY