| HPLC法分析苯酚超声/H2O2降解机理 |
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| 引用本文： | 刘学方,孔黎明.HPLC法分析苯酚超声/H2O2降解机理[J].环境科学与管理,2011,36(9):127-130,158. |
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| 作者姓名： | 刘学方 孔黎明 |
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| 作者单位： | 1. 扬州环境资源职业技术学院,江苏扬州,225127
2. 扬州大学化工学院,江苏扬州,225000 |
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| 摘 要： | 利用超声/H2O2协同作用生成氧化能力极强的羟基自由基(.OH)降解苯酚。确定高效液相色谱分析的适宜条件为室温,检测波长277 nm,流动相配比55/45(V甲醇/水),流速为0.5 mL/min,测得各物质的回收率在95.2%100.3%之间,证明高效液相色谱法是测定苯酚及其中间产物的一种有效的分析方法。HPLC法分析苯酚的降解过程首先是由羟基自由基攻击苯环,生成对苯二酚、邻苯二酚,然后继续羟基化,生成顺丁烯二酸,进一步氧化,最终生成二氧化碳和水。
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| 关 键 词： | 超声 羟基自由基 高效液相色谱 苯酚及降解产物 |
HPLC Analysis on Mechanism of Phenol Degradation by Ultrasound and H_2O_2 |
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| Liu Xuefang,Kong Liming.HPLC Analysis on Mechanism of Phenol Degradation by Ultrasound and H_2O_2[J].Environmental Science and Management,2011,36(9):127-130,158. |
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| Authors: | Liu Xuefang Kong Liming |
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| Institution: | Liu Xuefang1,Kong Liming2 (1.Yangzhou Vocational College of Environment and Resources,Yangzhou 225127,China,2.Chemical Engineering Institute,Yangzhou University,Yangzhou 225000,China) |
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| Abstract: | Hydroxyl radicals which have strong oxidbillity can be produced to degrade phenol by cooperating ultrasound and H2O2.Suitable conditions for high-performance liquid chromatography(HPLC) analysis are room temperature,detection wavelength 277nm,composition of mobile phase 55/45(v methanol/water),velocity of flow 0.5mL/min,recovery ratio 95.2%~100.3%.The resultes proved that HPLC is an efficient analytical method to determine phenol and its degradation products.Using HPLC method to analyze the process of pheno... |
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| Keywords: | ultrasound hydroxyl radicals HPLC phenol and its degradation products |
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