By Taicheng An, Huijun Zhao, Po Keung Wong
This booklet provides the most recent effects with regards to photocatalytic inactivation/killing of microorganisms, that is a promising substitute disinfection process that produces much less or maybe no disinfection byproduct. The publication 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 reports, and forecast and make strategies for the additional improvement of computer and PEC disinfection. Bringing jointly contributions by way of quite a few best examine teams world wide, it deals a helpful 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 overall healthiness and pollutants 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 setting and effort & Griffith tuition of atmosphere, Griffith collage, Australia.
Po Keung Wong, PhD, is a Professor on the college of existence Sciences, the chinese language college of Hong Kong, Hong Kong SAR, China.
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Additional info for Advances in Photocatalytic Disinfection
We can see from the partial-wave DOS that the impurity band is mainly composed of V (3d) and O (2p), Fe (3d) and O (2p), and a small part of orbital hybridization by O (2p) and Ti (3d). 73 eV as compared to pure TiO2. 2 Y. Li et al. 8a shows the total DOS of pure ZnS. 60 eV) . This is because the DFT overestimates the bandwidth and underestimates the bandgap, but this does not affect the theoretical analysis of the electronic structure . In order to simulate the electronic structure of the natural sphalerite sample, we calculated the DOS of Fe and Cd co-doped sphalerite (shown in Fig.
The concentration of MO was measured by spectrophotometry. The degradation percentage of MO was calculated by the equation R ð%Þ ¼ ½ðC0 À Ct Þ=C0 Â 100, where R is the degradation ratio, C0 is the initial concentration of MO, and Ct is the concentration of MO at time t. 6 shows that there are three factors affecting the degradation of MO: self-degradation of MO in VL, oxidation of MO by H2O2, and photocatalytic oxidation of MO by rutile. These three factors have a synergetic effect on MO degradation.
NHE at pH 14) is a potential photocatalyst to reduce halohydrocarbons. Compared to the poor VL response of pure ZnS, natural sphalerite has a better VL adsorption (Fig. 6), and the dopants notably reduce its bandgap and change its electronic structure (Fig. 8). The visible light photoreduction activity of natural sphalerite is carried out by using CT as a degrading target. 1 Y. Li et al. Photoreduction of CT The degradation experiments were conducted in 22 ml borosilicate glass vessels (20 mm internal diameter, 2 mm wall thickness) equipped with PTFE/silicone septum-lined screw-top cap, which guarantees the air tightness during the photocatalytic process.
Advances in Photocatalytic Disinfection by Taicheng An, Huijun Zhao, Po Keung Wong