The photosensitized oxidation of mixture of parabens in aqueous solution

被引：13
作者：
Gryglik, D. [1 ]
Gmurek, M. [2 ]
机构：
[1] Lodz Univ Technol, Fac Civil Engn Architecture & Environm Engn, Al Politech 6, PL-90924 Lodz, Poland
[2] Lodz Univ Technol, Fac Proc & Environm Engn, Ul Wolczanska 213, PL-90924 Lodz, Poland
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2018年 / 25卷 / 04期
关键词：
Parabens; Singlet oxygen; Photosensitized oxidation; Visible light; Sunlight; PERSONAL CARE PRODUCTS; P-HYDROXYBENZOIC ACID; PHOTOCHEMICAL DEGRADATION; URINARY CONCENTRATIONS; WATER; PHOTODEGRADATION; PESTICIDES; COMPLEXES; PROFILES; EXPOSURE;
D O I：
10.1007/s11356-014-4059-1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The work presents results of studies on the photosensitized oxidation of mixture of five parabens (methyl-, ethyl-, propyl-, n-butyl-, and benzylparaben) in aqueous solution. Aluminum phthalocyanine chloride tetrasulfonic acid and xenon lamp simulating solar radiation were used as a photosensitizer and a light source, respectively. The purpose was to investigate the influence of inhibitory effect compounds present in the mixture on the reaction rate. The influence of the addition of second photosensitizer on the parabens degradation rate was investigated. The effect of additives: tert-butanol - hydroxyl radical scavenger and sodium azide - singlet oxygen scavenger on reaction course was also determined. The transformation products formed during the photosensitized oxidation process were analyzed by UPLC-MS/MS. The efficiency of photosensitized oxidation of parabens with natural sunlight irradiation in the central Poland was checked.
引用
收藏
页码：3009 / 3019
页数：11
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