Removal of Linear and Branched Alkylphenols from Aqueous Solutions with Horseradish Peroxidase

Naoya IKEDA; Kazunori YAMADA; Takashi SHIBUYA; Ayumi KASHIWADA; Kiyomi MATSUDA; Mitsuo HIRATA

doi:10.1271/bbb.70784

This article has now been updated. Please use the final version.

Removal of Linear and Branched Alkylphenols from Aqueous Solutions with Horseradish Peroxidase

Naoya IKEDA, Kazunori YAMADA, Takashi SHIBUYA, Ayumi KASHIWADA, Kiyomi MATSUDA, Mitsuo HIRATA

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Keywords: horseradish peroxidase, alkylphenol, oligomer precipitate, enzymatic removal, water purification

JOURNAL FREE ACCESS Advance online publication

Article ID: 70784

DOI https://doi.org/10.1271/bbb.70784

The final version of this article is now available: Vol. 72 (2008) , No. 5 p.1368

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Abstract

Alkylphenols were effectively treated with horseradish peroxidase at pH 7.0 and 30 °C in the presence of H₂O₂ and poly(ethylene glycol) irrespective of the relative position or isomeric form of the alkyl chains. Water-insoluble oligomer precipitates were readily filtered out after enzymatic treatment, and transparent and colorless solutions were obtained for all p- and m-alkylphenols used.

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