Decolorization of dark brown colored coffee effluent using zinc oxide particles: The role of dissolved oxygen in degradation of colored compounds

The degradation of model dark brown colored coffee effluent using photocatalyst zinc oxide (ZnO) has been systematically studied by varying ZnO dosage from 0 to 4000 mg L−1, coffee loading from 0 to 90 mg L−1 and intensity of UV light having the radiation peak at 352 nm from 0 to 18 W(m-lamp length)...

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Veröffentlicht in:	Journal of environmental management 2014-06, Vol.139, p.172-179
Hauptverfasser:	Satori, Hirotaka, Kawase, Yoshinori
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal, plant and microbial ecology Applied ecology Biodegradation Biological and medical sciences Catalysis Coffee Coffee effluent Color Color removal Conservation, protection and management of environment and wildlife Decolorization Dissolved oxygen Fundamental and applied biological sciences. Psychology General aspects Mineralization Oxygen Oxygen - chemistry Photochemistry Photolysis Ultraviolet radiation Ultraviolet Rays Waste Disposal, Fluid - methods Waste Water Water Pollutants - chemistry Zinc oxide Zinc Oxide - chemistry Zinc Oxide - radiation effects Zinc oxides
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