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Mineralization of Reactive Black 5 in aqueous solution by basic oxygen furnace slag in the presence of hydrogen peroxide.

Abstract：

:Basic oxygen furnace slag (BOF slag) is a solid waste arisen from the steel making process. FeO is one of the major components of BOF slag. The FeO-containing property of BOF slag makes it possible to catalyze the Fenton reaction. Reactive Black 5 (RB5) dye is chosen as the target compound in this study. This study has investigated the catalytic performance of BOF slag on the Fenton reaction to decompose RB5 in aqueous solution. A first-order kinetic model with respect to TOC was adopted to explain the mineralization of RB5 by the H(2)O(2)/BOF slag process. The experimental results in this study suggested that dosage with 1.49 x 10(-4)M min(-1) H(2)O(2) and 12.5 g l(-1) BOF slag in the solution at pH 2 provided the optimal operation conditions for the mineralization of RB5 yielding a 51.2% treatment efficiency at 100 min reaction time, and complete decoloration can be achieved within 30 min reaction time. The H(2)O(2)/Fe(2+) ratio was then determined to be 6.06:1.

journal_name

Chemosphere

journal_title

Chemosphere

authors

Chiou CS,Chang CF,Chang CT,Shie JL,Chen YH

doi

10.1016/j.chemosphere.2005.04.072

subject

Has Abstract

pub_date

2006-02-01 00:00:00

pages

788-95

issue

5

eissn

0045-6535

issn

1879-1298

pii

S0045-6535(05)00649-1

journal_volume

62

pub_type

杂志文章

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