Photosensitized degradation of caffeine: Role of fulvic acids and nitrate

► Caffeine photodegradation occurs slowly in water. ► Caffeine photodegradation is enhanced in the presence of fulvic acids. ► Caffeine indirect photolysis at 10 μM and higher reacts via the hydroxyl radical. ► Nitrate enhances caffeine’s hydroxyl radical pathway. ► Photolysis at low initial concent...

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Veröffentlicht in:	Chemosphere (Oxford) Jg. 86; H. 2; S. 124 - 129
Hauptverfasser:	Jacobs, Laura E., Weavers, Linda K., Houtz, Erika F., Chin, Yu-Ping
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Kidlington Elsevier Ltd 2012 Elsevier
Schlagworte:	Applied sciences Benzopyrans Benzopyrans - chemistry Caffeine Caffeine - chemistry chemistry Degradation Dissolved organic matter effluents Environmental Restoration and Remediation Exact sciences and technology Fulvic acid fulvic acids Hydrogen-Ion Concentration Hydroxyl Radical Hydroxyl Radical - chemistry hydroxyl radicals iron Irradiation isopropyl alcohol Nitrates Nitrates - chemistry oxygen Pathways Photolysis Pollution Radicals rivers solar radiation streams Sunlight Waste Disposal, Fluid Waste water Wastewater women Ohio Georgia United States North America America USA, Erie L., Old Woman Creek USA, Florida, Suwannee R Dissolved organic matter Fulvic acid Photolysis Wastewater Caffeine Organic matter Pollutant behavior Nitrogen compounds Environmental factor Nitrates Alkaloid Selfpurification Surface water Water pollution Waste water discharge Photosensitizer Organic compounds Photochemical degradation
ISSN:	0045-6535, 1879-1298, 1879-1298
Online-Zugang:	Volltext
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