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

By Taicheng An, Huijun Zhao, Po Keung Wong

This publication provides the most recent effects with regards to photocatalytic inactivation/killing of microorganisms, that's a promising replacement disinfection procedure that produces much less or perhaps no disinfection byproduct. The publication is split into thirteen chapters, which introduce readers to the newest advancements within the photocatalytic disinfection of microorganisms, study crucial photocatalytic (PC) and photoelectrocatalytic (PEC) disinfection reports, and forecast and make strategies for the additional improvement of notebook and PEC disinfection. Bringing jointly contributions through a number of major learn teams world wide, it deals 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 healthiness and toxins regulate, tuition of Environmental technology and Engineering, Guangdong college of know-how, Guangzhou, China.

Huijun Zhao, PhD, is Chair Professor and Director on the Centre for fresh surroundings and effort & Griffith university of setting, Griffith collage, 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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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. Chemical Compositions Natural Rutile (TiO2) Compared with the ideal crystal, the ratio of metal atoms and oxygen atoms in natural rutile is greater than 1/2, indicating that there are some oxygen vacancy and lattice defects.

Li et al. 14. Yin H, Wada Y, Kitamura T, Yanagida S (2001) Photoreductive dehalogenation of halogenated benzene derivatives using ZnS or CdS nanocrystallites as photocatalysis. Environ Sci Technol 35:227–231 15. Fujishima A, Rao TN, Tryk DA (2000) Titanium dioxide photocatalysis. J Photochem Photobiol C: Photochem Rev 1:4 16. Benedix R, Dehn F, Quaas J, Orgass M (2000) Leipzig annual civil engineering report no. 5. Institut für Massivbau und Baustofftechnologie, Leipzig, p 161 17. Muraoka Y, Yamauchi T, Ueda Y, Hiroi Z (2002) Efficient photocarrier injection in a transition metal oxide heterostructure.

19). Therefore, higher CT degradation efficiency can be achieved in the presence of O2. However, the presence of excess O2 decreases the photoreductive degradation efficiency of CT, because the dissolved O2 could compete with CT for accepting electrons from reducing species as eÀ and •COOÀ (Eqs. 17). O2 þ eCB À ! O2 À À O2 þ • COO ! CO2 þ O2 ð2:16Þ À • CCl3 þ O2 ! • OOCCl3 ! CO2 þ 3Cl ð2:17Þ À ð2:18Þ À ð2:19Þ : CCl2 þ O2 ! • OOCCl2 ! CO2 þ 3Cl Natural sphalerite was active under VL, thus producing sufficient photoelectrons and holes for further reactions.

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