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Type: Artigo de periódico
Title: Remediation and toxicity removal from Kraft E1 paper mill effluent by ozonization
Author: Freire, RS
Kubota, LT
Duran, N
Abstract: The degradation of Kraft El pulp mill effluent was studied by four different ozonization oxidation systems (O-3/pH3, O-3/pH11, O-3/pH11/H2O2, O-3/pH11/UV). The investigation was focused on the reduction of total organic carbon (TOC), total phenols, color and acute toxicity (monitoring by inhibition of Escherichia coli respiration). For a reaction time of 90 minutes, the O-3/pH11/UV was the most effective process for decoloration (45%).The O-3/pH11/H2O2, O-3/pH11/UV and O-3/pH11 processes showed the best results for total phenols reduction (congruent to 90%). None of the studied processes showed a significant TOC reduction. The O-3/pH11/UV and O-3/pH11 processes were effective for the acute toxicity reduction. Different kinetic parameters were also determined in order to quantify the reactivity of the effluent towards the applied oxidation systems.
Subject: paper mill effluent
advanced oxidation processes
wastewater and environmental remediation
Country: Inglaterra
Editor: Selper Ltd, Publications Div
Citation: Environmental Technology. Selper Ltd, Publications Div, v. 22, n. 8, n. 897, n. 904, 2001.
Rights: fechado
Identifier DOI: 10.1080/09593332208618224
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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