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

By Taicheng An, Huijun Zhao, Po Keung Wong

This ebook provides the most recent effects on the topic of photocatalytic inactivation/killing of microorganisms, that is a promising replacement disinfection process 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, research crucial photocatalytic (PC) and photoelectrocatalytic (PEC) disinfection experiences, and forecast and make suggestions for the additional improvement of laptop and PEC disinfection. Bringing jointly contributions through quite a few best learn teams around the world, it bargains a priceless 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 well-being and pollutants regulate, institution of Environmental technological know-how and Engineering, Guangdong college of know-how, Guangzhou, China.

Huijun Zhao, PhD, is Chair Professor and Director on the Centre for fresh atmosphere and effort & Griffith tuition of setting, Griffith college, Australia.

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

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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. 7). One possible reason was that the particle size of P25 TiO2 (30 nm) was significantly smaller than that of the natural rutile sample (70–80 μm), so P25 TiO2 had a larger surface area to react with MO.

Rev Environ Sci Bio-Technol 9:87–94 134. Zhang DQ, Li GS, Yu JC (2010) Inorganic materials for photocatalytic water disinfection. J Mater Chem 20:4529–4536 Chapter 2 Visible Light Photocatalysis of Natural Semiconducting Minerals Yan Li, Cong Ding, Yi Liu, Yanzhang Li, Anhuai Lu, Changqiu Wang, and Hongrui Ding Abstract Semiconducting minerals of rutile (TiO2) and sphalerite (ZnS) are visible light (VL)-responsive photocatalysts in nature. The substitutions of metal ions for TiIV and ZnII make their electronic structure differ from their “pure” counterparts and result in the broad absorption of VL.

4 12000 (110) 10800 Intensity (CPS) 9600 8400 7200 6000 4800 (211) (101) 3600 2400 (111) 1200 (200) (210) (220) (002) (310) (301) (112) 0 20 25 30 35 40 45 50 55 60 65 2θ° (Cu-Kα) Fig. 1 Powder X-ray diffraction pattern of natural rutile sample Fig. 2 Powder X-ray diffraction pattern of natural sphalerite sample (Reprinted from Ref. [29], Copyright 2008, with permission from Elsevier) 70 (202) 75 (321) (400) 80 85 90 22 Y. Li et al. correspond to (111), (220), and (311) of sphalerite, respectively, indicating that the sample is in cubic sphalerite phase.

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