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Download Advances in Photocatalytic Disinfection by Taicheng An, Huijun Zhao, Po Keung Wong PDF

By Taicheng An, Huijun Zhao, Po Keung Wong

This booklet provides the most recent effects on the topic of photocatalytic inactivation/killing of microorganisms, that's a promising substitute disinfection technique that produces much less or maybe no disinfection byproduct. The ebook is split into thirteen chapters, which introduce readers to the most recent advancements within the photocatalytic disinfection of microorganisms, learn crucial photocatalytic (PC) and photoelectrocatalytic (PEC) disinfection reviews, and forecast and make strategies for the extra improvement of workstation and PEC disinfection. Bringing jointly contributions by means of a variety of top examine teams all over the world, it bargains a worthwhile source for researchers and the alike, in addition to the overall public.

Taicheng An, PhD, is Chair Professor and Director on the Institute of Environmental health and wellbeing and pollutants keep watch over, institution of Environmental technological know-how and Engineering, Guangdong collage of expertise, Guangzhou, China.

Huijun Zhao, PhD, is Chair Professor and Director on the Centre for fresh atmosphere and effort & Griffith university of surroundings, Griffith collage, Australia.

Po Keung Wong, PhD, is a Professor on the university of existence Sciences, the chinese language college of Hong Kong, Hong Kong SAR, China.

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Additional resources for Advances in Photocatalytic Disinfection

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Although exciting progress has been made on some of the photocatalysts, these photocatalysts are eventually artificially produced, which will consume additional energy and often require multifarious procedures for the fabrication. An ideal situation for the application of photocatalysis is that the functional photocatalyst could be obtained directly in nature, without any catalyst preparation process. Fortunately, nature always provides us with all kinds of exquisite materials in an infinite way.

32 %) would be the largest. 0 g/L P25 TiO2, respectively. 8 mM H2O2 as sacrificial oxidant, and the other without H2O2. 0. The degradation experiments were conducted as described above. As introduced in Fig. 5, natural rutile has a steep absorption edge at 410 nm and a wider adsorption shoulder band in VL region, which imply a better adsorption of VL compared to P25 TiO2. However, experimental results showed that the photoactivity of the natural rutile sample was a little lower than that of P25 TiO2.

5)), which further gave rise to TiIV À OH (Eq. 6)). Furthermore, the injected conduction band electrons could react with the adsorbed H2O2 to produce •OH radicals (Eq. 7)). Therefore, the formation of À Á the surface complex TiIV À OOH surf assisted the production of •OH in VL, thus improving the VL-induced photocatalytic activity. À Á À Á TiIV À OH surf þ ðH2 O2 Þad ! TiIV À OOH surf þ H2 O À Á À Á TiIV À OOH surf þ hυ ! TiIV À OOH surf * À Á À À Á Á TiIV À OOH surf * ! e- cb injected þ TiIV À • OOH surf À Á À Á TiIV À • OOH surf þ OHÀ !

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