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Free Radicals Generated in Photocatalytic Oxidation of Some Amines and Diamines
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Ciping Chen
Published/Copyright:
January 26, 2017
Abstract
Free radical intermediates produced during photocatalytic oxidation of some typical amines and diamines were investigated by a spin trapping technique. The EPR spectra of N-centered radical adduct and Ccentered radical adduct were observed. Experimental results disclose that these radicals are participants in the initial steps of photodegradation of these compounds. A mechanism which is consistent with the observation of these radical species is discussed.
Received: 1995-1-17
Revised: 1995-5-8
Accepted: 1995-6-5
Published Online: 2017-1-26
Published in Print: 1996-7-1
© 2017 by Walter de Gruyter Berlin/Boston
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Articles in the same Issue
- Titelei
- Contents
- Editorial
- Feature Article
- Kinetic Modeling of Free-Radical Water Treatment Processes: Pitfalls, Practicality, and the Extension of the Hoigné/ Bader/ Staehelin Model
- Research Articles
- Oxidative Degradation and Fluorescence of a Non-biodegradable Brightener via Titania Suspensions: Implications for the Natural Cycle
- Free Radicals Generated in Photocatalytic Oxidation of Some Amines and Diamines
- Electron Beam Treatment of Flue Gas with High Content of SO2
- SO2 Oxidation by Simultaneous Application of Electron Beam and Electric Field in Humid Air
- Study at 20 kHz and 500 kHz of the Ultrasound-Ozone Advanced Oxidation System : 4-Nitrophenol Degradation
- Sunlight Induced Decoloration/Degradation of Non-Biodegradable Orange II Dye by Advanced Oxidation Technologies in Homogeneous and Heterogeneous Media
- Quantum Yields for the Photodegradation of Pollutants in Dilute Aqueous Solution: Phenol, 4-Chlorophenol and N-Nitrosodimethylamine
- Detoxification and Desilvering of Photographic Processing Effluents by an Alternative Technology: Photocatalysis at Semiconductor/Solution Interfaces
