Toxicity Abatement and Biodegradability Enhancement of Pulp Mill Bleaching Effluent by Advanced Chemical Oxidation-Reference-Cited by-同舟云学术

Toxicity Abatement and Biodegradability Enhancement of Pulp Mill Bleaching Effluent by Advanced Chemical Oxidation

Published:1999-12-01 Issue:11-12 Volume:40 Page:337-342
ISSN:0273-1223
Container-title:Water Science and Technology
language:en
Short-container-title:

Author:

Yeber Ma Cristina¹,Rodríguez Jaime¹,Baeza Jaime¹,Freer Juanita¹,Zaror Claudio²,Durán Nelson³,Mansilla Héctor D.¹

Affiliation:

1. Laboratory of Renewable Resources, Faculty of Chemical Sciences, Universidad de Concepción, Casilla 160-C, Concepción, Chile

2. Department of Chemical Engineering, Universidad de Concepción, Casilla 160-C, Concepción, Chile

3. Biological Chemistry Laboratory, Universidade Estadual de Campinas, Brazil

Abstract

This paper describes the use of photocatalysis to degrade two bleaching effluents from P. radiata (DoEop) and E. grandis (CEop) wood processing. Organic matter oxidation was followed by general parameters (TOC, color, AOX), toxicity and biodegradability. Reactions with suspended and supported catalysts, TiO2 and ZnO, were carried out for comparison. For both effluents, photocatalytic treatment led to an improvement in biodegradability and a reduction in acute toxicity.

Publisher

IWA Publishing

Subject

Water Science and Technology,Environmental Engineering

Link

http://iwaponline.com/wst/article-pdf/40/11-12/337/39768/337.pdf

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