By Taicheng An, Huijun Zhao, Po Keung Wong
This booklet provides the newest effects regarding 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 newest advancements within the photocatalytic disinfection of microorganisms, learn crucial photocatalytic (PC) and photoelectrocatalytic (PEC) disinfection experiences, and forecast and make suggestions for the extra improvement of workstation and PEC disinfection. Bringing jointly contributions through a variety of top examine teams world wide, it deals a worthy 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 toxins keep an eye on, tuition of Environmental technology and Engineering, Guangdong college of expertise, Guangzhou, China.
Huijun Zhao, PhD, is Chair Professor and Director on the Centre for fresh surroundings and effort & Griffith institution of surroundings, Griffith collage, Australia.
Po Keung Wong, PhD, is a Professor on the tuition of lifestyles Sciences, the chinese language college of Hong Kong, Hong Kong SAR, China.
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11 The relative contents of CO2 under different experimental treatments (Reprinted from Ref. 0, the relative contents of CO2 under different experimental treatments are shown in Fig. 11. In the presence of both VL and sphalerite, significant generation of CO2 was observed. By contrast, there was no CO2 production in the experimental treatments with sphalerite only or with light only, which clearly demonstrated that most of the CO2 came from CT degradation under the VL-induced photocatalysis of natural sphalerite.
Therefore, CT could be effectively degraded only with the coexistence of VL and photocatalyst, which indicated that the VL-driven photocatalysis of natural sphalerite played the leading role in CT degradation. The analysis of the degradation products was performed with a gas chromatograph coupled with an electron capture detector (Agilent 7890 GC-ECD). No other response signals except the signals of CT were detected. So, we can estimate that CT was completely degraded via a reductive degradation pathway in the VL-irradiated sphalerite suspension, thus producing inorganic chloride ion (ClÀ).
Fujishima A, Zhang XT (2006) Titanium dioxide photocatalysis: present situation and future approach. C R Chim 9:750–760 38 Y. 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.
Advances in Photocatalytic Disinfection by Taicheng An, Huijun Zhao, Po Keung Wong