Phenol degradation using hydroxyl radicals generated from zero-valent iron and hydrogen peroxide

David H. Bremner, Arthur E. Burgess, Didier Houllemare, Kyu-Cheol Namkung

Research output: Contribution to journalArticle

228 Citations (Scopus)

Abstract

The degradation of the model pollutant phenol with hydroxyl radicals generated from zero-valent iron and hydrogen peroxide has been investigated by means of HPLC analysis of the intermediates. The optimum conditions for degradation utilise the continuous presence of iron metal, acidic pH and relatively concentrated hydrogen peroxide (9.5 M). When less stringent conditions were used, the products obtained from the decomposition are broadly the same but are formed over a much longer timescale. The intermediates in the oxidation were identified as catechol, hydroquinone, benzoquinone, maleic acid and a relatively stable product, tentatively identified as an organic complex of iron and oxidised catechol.
Original languageEnglish
Pages (from-to)15-19
Number of pages5
JournalApplied Catalysis B : Environmental
Volume63
Issue number1-2
DOIs
Publication statusPublished - 22 Mar 2006

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