A mild photochemical approach to the degradation of phenols from olive oil mill wastewater

被引：41

作者：

Cermola, F

DellaGreca, N

Iesce, MR

Montella, S

Pollio, A

Temussi, F

机构：

[1] Univ Naples Federico II, Dipartimento Chim Organ & Biochim, I-80126 Naples, Italy

[2] Univ Naples Federico II, Dipartimento Biol Vegetale, I-80139 Naples, Italy

来源：

CHEMOSPHERE | 2004年 / 55卷 / 07期

关键词：

cathecol; tyrosol; phenolic acids; sensitized photooxidation; rose bengal; Ankistrodesmus braunii;

D O I：

10.1016/j.chemosphere.2003.12.016

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Photooxidation of cathecol (1) is carried out in aqueous Solution at lambda > 300 nm using different sensitizers: rose bengal (RB), 9,10-dicyanoanthracene (DCA), 2,4,6-triphenylpyrylium tetrafluoroborate (Pyryl). The highest degradation is observed in the UV/RB-sensitized reaction (66% after 15 h of irradiation), mineralization and formation of dimers are the final events. This procedure has been extended to tyrosol (2), caffeic acid (3), vanillic acid (4). 4-hydroxycinnamic acid (5) and 4-hydroxybenzoic acid (6) as well as to a mixture of all phenols. A reduced toxicity of the UV/RB-irradiated solutions of cathecol and tyrosol towards alga Ankistrodesmus braunii is also verified. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：1035 / 1041

页数：7

共 16 条

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[8] Effect of consumption of phenols from olives and extra virgin olive oil on LDL oxidizability in healthy humans
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