Photobleaching of methyl orange in titanium dioxide suspended in aqueous solution
作者： Chen Lung-Chyuan , Chou Tse-Chuan
DOI: 10.1016/0304-5102(93)80102-Z
关键词: Catalysis 、 Photocatalysis 、 Concentration effect 、 Aqueous solution 、 Photobleaching 、 Chemistry 、 Oxygen 、 Methyl orange 、 Inorganic chemistry 、 Titanium dioxide
摘要: Abstract The photocatalytic bleaching of methyl orange in titanium dioxide suspended aqueous solution was investigated. Using as catalyst, bleached by photooxidation via the formation HO• radical alkaline and both photoreduction, drastically enhanced bubbling oxygen, acidic solution. Bleaching decreased with initial concentration increased loading dioxide. effect pH on efficiency also investigated: lowest 38.5% at 7 while solutions highest efficiencies were 75.5 86.8% 2.65 11.9, respectively. could be completely photobleached oxygen into an 10 ppm for 40 min.
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