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首页> 外文期刊>International Journal of Photoenergy >Photocatalytic degradation of aqueous tetrahydrofuran, 1,4-dioxane, and their mixture with TiO2
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Photocatalytic degradation of aqueous tetrahydrofuran, 1,4-dioxane, and their mixture with TiO2

机译：四氢呋喃，1,4-二恶烷及其与TiO2混合物的光催化降解

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摘要

Photocatalytic degradation of tetrahydrofuran, 1,4-dioxane, and their mixture in a slurry photoreactorwas studied. Using both GC/MS and ion chromatography (IC) methods, possible intermediates weredetected and the reaction mechanism pathways for both compounds were proposed. Kinetic models weredeveloped and the kinetic parameters were estimated using a statistical method of non-linear parameter estimationin which all experimental data were utilized. It was shown that tetrahydrofuran was disappeared viadirect oxidation as well as hydroxyl radical attack. A modified Langmuir-Hinshelwood described the degradationbehavior of tetrahydrofuran and the binary system. 1,4-Dioxane obeyed a simple Langmuir-Hinshelwoodkinetic form in the single compound system.
机译：研究了淤浆光反应器中四氢呋喃，1,4-二恶烷及其混合物的光催化降解。同时使用GC / MS和离子色谱（IC）方法，检测了可能的中间体，并提出了两种化合物的反应机理途径。建立了动力学模型，并使用非线性参数估计的统计方法估计了动力学参数，该方法利用了所有实验数据。结果表明，四氢呋喃通过直接氧化和羟基自由基攻击而消失。改性的Langmuir-Hinshelwood描述了四氢呋喃的降解行为和二元体系。 1,4-二恶烷在单一化合物体系中服从简单的朗缪尔-欣舍伍德动力学形式。

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