Catalytic Compositions, Composition Production Methods, and Aqueous Solution Treatment Methods

Composition production methods are provided that can include providing PdO nanoparticles on a nitrogen-doped titanium oxide surface to form a catalytic mixture. Catalytic compositions and/or bactericides are provided that can include a substrate supporting Ti, O, N, and Pd. Water purification methods are provided that can include exposing an aqueous solution to a composition comprising at least a substrate supporting Ti, O, N, and Pd. Photocatalytic methods are provided that can include : providing a composition comprising one or both of Ti and Pd; exposing the composition to visible radiation to activate the composition; and in the substantial absence of the visible radiation, contacting the composition with an aqueous solution to purify the aqueous solution.; Embodiments of the disclosure provide visible light photocatalysts that can demonstrate faster photocatalytic disinfection rates on Escherichia coli (E. coli) under visible light illumination as compared to nitrogen-doped titanium oxide (TiON), as well as catalytic activity after visible light illumination is substantially removed.

Attached files:
WO 2010022394.jpg

Patents:
WO 2,010,022,394

Inventor(s): LI QI [US]; LI YIN WAI [US]; WU PINGGUI [US]; XIE RONGCAI [CN]; SHANG JIAN KU [US]

Type of Offer: Licensing



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