针铁矿催化氧化溴酚生成羟基多溴联苯醚和溴代二噁英

孙粉玲; 丁佳锋; 周时洋; 林坤德

doi:10.7524/j.issn.0254-6108.2015.09.2015041301

环境化学

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孙粉玲, 丁佳锋, 周时洋, 林坤德. 针铁矿催化氧化溴酚生成羟基多溴联苯醚和溴代二噁英[J]. 环境化学, 2015, 34(9): 1581-1586. doi: 10.7524/j.issn.0254-6108.2015.09.2015041301

引用本文:

SUN Fenling, DING Jiafeng, ZHOU Shiyang, LIN Kunde. Formation of hydroxylated polybrominated diphenyl ethers and polychlorinated dibenzo-p-dioxins via goethite-catalyzed oxidation of bromophenols[J]. Environmental Chemistry, 2015, 34(9): 1581-1586. doi: 10.7524/j.issn.0254-6108.2015.09.2015041301

Citation:

SUN Fenling, DING Jiafeng, ZHOU Shiyang, LIN Kunde. Formation of hydroxylated polybrominated diphenyl ethers and polychlorinated dibenzo-p-dioxins via goethite-catalyzed oxidation of bromophenols[J]. Environmental Chemistry, 2015, 34(9): 1581-1586. doi: 10.7524/j.issn.0254-6108.2015.09.2015041301

针铁矿催化氧化溴酚生成羟基多溴联苯醚和溴代二噁英

1.
浙江工业大学生物与环境工程学院, 杭州, 310032;
2.
厦门大学环境与生态学院, 厦门, 361102
基金项目:
国家自然科学基金(21277124,21477115)资助.

Formation of hydroxylated polybrominated diphenyl ethers and polychlorinated dibenzo-p-dioxins via goethite-catalyzed oxidation of bromophenols

1.
College of Biology and Environmental Engineering, Zhejiang University of Technology, Hangzhou, 310032, China;
2.
College of the Environment and Ecology, Xiamen University, Xiamen, 361102, China
Fund Project:

摘要: 探究了针铁矿催化转化溴酚(2,4-DBP或2,4,6-TBP)生成羟基化多溴联苯醚(HO-PBDEs)和溴代二噁英(PBDD/Fs)的可能性.结果表明,针铁矿可以在常温和干反应条件下有效地催化转化溴酚化合物生成HO-PBDEs和PBDD/Fs.反应16 d,97.3%的2,4-DBP被针铁矿氧化转化,其中2.4%被转化为2'-OH-BDE-68,2.8%被转化为2,2'-OH-BB-80,0.2%被转化1,3,8-TrBDD,0.4%被转化为2,4,6,8-TeBDF.同样的反应时间内,98.7%的2,4,6-TBP被针铁矿氧化转化,反应产物可能为2'-OH-BDE-121、4'-OH-BDE-121、1,3,6,8-TeBDD和1,3,7,9-TeBDD.根据检测到的产物,提出了针铁矿氧化转化溴酚的可能途径.
- 针铁矿 /
- 羟基多溴联苯醚 /
- 溴代二噁英 /
- 耦合反应
Abstract: The formation of hydroxylated polybrominated diphenyl ethers (HO-PBDEs) and brominated dibenzo-p-dioxins, dibenzofurans (PBDD/Fs) from goethite-catalyzed oxidation of bromophenols (BPs, e.g., 2,4-DBP and 2,4,6-TBP) was investigated. Results showed that goethite readily catalyzed the conversion of 2,4-DBP and 2,4,6-TBP to HO-PBDEs and PBDD/Fs under dry conditions and at ambient temperature. In 16 d, 97.3% of 2,4-DBP was converted and the yields of 2'-OH-BDE-68, 2,2'-OH-BB-80, 1,3,8-TrBDD and 2,4,6,8-TeBDF were 2.4%, 2.8%, 0.2% and 0.4%, respectively. Similarly, 98.7% of 2,4,6-TBP was transformed and the possible reaction products were 2'-OH-BDE-121, 4'-OH-BDE-121, 1,3,6,8-TeBDD and 1,3,7,9-TeBDD. The possible formation pathways for the goethite-catalyzed oxidation of bromophenols were proposed.
- goethite /
- HO-PBDEs /
- PBDD/Fs /
- coupling reaction

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针铁矿催化氧化溴酚生成羟基多溴联苯醚和溴代二噁英

1. 浙江工业大学生物与环境工程学院, 杭州, 310032;
2. 厦门大学环境与生态学院, 厦门, 361102

收稿日期: 2015-04-13

基金项目:

国家自然科学基金(21277124,21477115)资助.

关键词:

摘要: 探究了针铁矿催化转化溴酚(2,4-DBP或2,4,6-TBP)生成羟基化多溴联苯醚(HO-PBDEs)和溴代二噁英(PBDD/Fs)的可能性.结果表明,针铁矿可以在常温和干反应条件下有效地催化转化溴酚化合物生成HO-PBDEs和PBDD/Fs.反应16 d,97.3%的2,4-DBP被针铁矿氧化转化,其中2.4%被转化为2'-OH-BDE-68,2.8%被转化为2,2'-OH-BB-80,0.2%被转化1,3,8-TrBDD,0.4%被转化为2,4,6,8-TeBDF.同样的反应时间内,98.7%的2,4,6-TBP被针铁矿氧化转化,反应产物可能为2'-OH-BDE-121、4'-OH-BDE-121、1,3,6,8-TeBDD和1,3,7,9-TeBDD.根据检测到的产物,提出了针铁矿氧化转化溴酚的可能途径.

English Abstract

Formation of hydroxylated polybrominated diphenyl ethers and polychlorinated dibenzo-p-dioxins via goethite-catalyzed oxidation of bromophenols

1. College of Biology and Environmental Engineering, Zhejiang University of Technology, Hangzhou, 310032, China;
2. College of the Environment and Ecology, Xiamen University, Xiamen, 361102, China

Received Date: 2015-04-13

Fund Project:

Keywords:

Abstract: The formation of hydroxylated polybrominated diphenyl ethers (HO-PBDEs) and brominated dibenzo-p-dioxins, dibenzofurans (PBDD/Fs) from goethite-catalyzed oxidation of bromophenols (BPs, e.g., 2,4-DBP and 2,4,6-TBP) was investigated. Results showed that goethite readily catalyzed the conversion of 2,4-DBP and 2,4,6-TBP to HO-PBDEs and PBDD/Fs under dry conditions and at ambient temperature. In 16 d, 97.3% of 2,4-DBP was converted and the yields of 2'-OH-BDE-68, 2,2'-OH-BB-80, 1,3,8-TrBDD and 2,4,6,8-TeBDF were 2.4%, 2.8%, 0.2% and 0.4%, respectively. Similarly, 98.7% of 2,4,6-TBP was transformed and the possible reaction products were 2'-OH-BDE-121, 4'-OH-BDE-121, 1,3,6,8-TeBDD and 1,3,7,9-TeBDD. The possible formation pathways for the goethite-catalyzed oxidation of bromophenols were proposed.

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针铁矿催化氧化溴酚生成羟基多溴联苯醚和溴代二噁英

Formation of hydroxylated polybrominated diphenyl ethers and polychlorinated dibenzo-p-dioxins via goethite-catalyzed oxidation of bromophenols

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针铁矿催化氧化溴酚生成羟基多溴联苯醚和溴代二噁英

English Abstract

Formation of hydroxylated polybrominated diphenyl ethers and polychlorinated dibenzo-p-dioxins via goethite-catalyzed oxidation of bromophenols

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