Article
Adsorptive and photocatalytic properties of Ag-loaded BiVO4 on the degradation of 4-n-alkylphenols under visible light irradiation
Graduate School of Natural Science and Technology, Faculty of Pharmaceutical Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan; Faculty of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan; Core Research for Evolutional Science and Technology, Japan Science and Technology Agency (CREST, JST), Kawaguchi, Saitama 332-0012, Japan
Catalysis Communications
DOI:10.1016/j.catcom.2004.12.006
pp.185-189
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Citations (0)
- Cited In (2)
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Article: Different photodegradation behavior of 4-tert-octylphenol under UV and VUV irradiation in aqueous solution
Journal of Photochemistry and Photobiology A Chemistry 01/2013; 251(1):69-77. · 2.42 Impact Factor -
Article: Sonochemical destruction of nonylphenol: effects of pH and hydroxyl radical scavengers.
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ABSTRACT: Nonylphenols are water-stable endocrine disrupting compounds that inhibit the growth of sewage bacteria in biological processes. The study describes the decomposition of 4-n-nonylphenol (NP) in water by 20 kHz ultrasound with emphasis on the impacts of pH, concentration and OH scavengers. It was found that the rate of degradation was accelerated by alkalinization, but more so by the addition of hydroxide alkalinity than carbonate. The addition of low doses of CO(3)(2-) and t-butyl alcohol as strong scavengers of OH was also found to accelerate the decomposition of NP. The observation was attributed to the generation of reactive CO(3)(2-) and CH(3) via pyrolysis of the additives in the cavity bubbles. The results also revealed that NP did not compete with OH scavenging agents when their relative concentration was low. In case of high frequency sonication (861 kHz) the competition was slightly effective (slowed down degradation) at an identical dose of t-butyl alcohol. The difference was attributed to shorter bubble life time at high frequencies leading to less violent/less energetic bubble collapse and lower yield of CH(3).Journal of hazardous materials 08/2009; 172(2-3):739-43. · 4.14 Impact Factor
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Keywords
4-n-nonylphenol
Ag-loaded BiVO4 powders
Ag2O
BiVO4
BiVO4 photocatalyst
CO2 mineralization yields
degradation
Degradation rates
H2 stream
impregnation method
NP
Silver fine-particles
silver oxides
silver surface
specific adsorption property
surface silver oxides
