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Reactivity Towards Ozone of 2-Hydroxypyridine in Aqueous Solution

 

作者: R. Andreozzi,   V. Caprio,   M.G. D'Amore,   A. Insola,  

 

期刊: Ozone: Science & Engineering  （Taylor Available online 1992）
卷期: Volume 14, issue 2  

页码: 177-184

 

ISSN:0191-9512

 

年代: 1992

 

DOI:10.1080/01919519208552298

 

出版商: Taylor & Francis Group

 

关键词: Ozone;2-Hydroxypyridine;Ozonation Mechanisms;N-Heterocyclic Compounds;Organic Oxidation Products;4-(N-Formyl)-amino-4-oxo-2-butenoic Acid;N Formyl-dioxalylimide;N-Formyloxalic Acid;Oxamic Acid;1-Formyl-5-hydroxy-3-pyrrolinone;Hydroxyl Radical Mechanisms

 

数据来源: Taylor

 

摘要:

The process of ozonation of 2-hydroxypyridine in aqueous solution at pH = 5 is studied in a semi-batch reactor. The evolution of the system is followed by means of instrumental and chemical analyses performed on samples withdrawn from the reactor at different reaction times. In order to distinguish between radical and direct ozonation mechanisms, some experiments are performed with the addition of radical scavenger (tert.-BuOH) to the reacting solution. A reaction scheme is given for explaining the formation of the main intermediates and products.

 

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