title: Immobilization of PDMS-SiO2-TiO2composite for the photocatalytic degradation of dye AO-7.
abstract: Crack-free PDMS-SiO2-TiO2composite as photocatalyst was prepared for degrading dyes by using thin-film fixed bed reactor. The hydrophobic surface of the photocatalyst loaded with PDMS-SiO2-TiO2composite could be considered as an extractant for organic pollutants. The effect of different supports including pumice stone, medicinal stone, and fiberglass for photocatalytic efficiency were compared. Under the same condition, it was found that the photocatalytic degradation effect of dyes was best when PDMS-SiO2-TiO2composite was fixed on pumice stone rather than medicinal stone or fiberglass. Furthermore, when pumice stone was used as the support for PDMS-SiO2-TiO2composite, the photocatalytic degradation effect of dyes hardly decreased after five cycles.
authors.affiliation: College of Chemistry, Nanchang University, Nanchang 330031, China E-mail: xufeigao@ncu.edu.cn.
authors.forename: Feigao
authors.initials: F
authors.lastname: Xu
authors.affiliation: School of Resources, Environmental and Chemical Engineering, Nanchang, Jiangxi 330031, China.
authors.forename: Wencheng
authors.initials: W
authors.lastname: Tan
authors.affiliation: School of Resources, Environmental and Chemical Engineering, Nanchang, Jiangxi 330031, China.
authors.forename: Heng
authors.initials: H
authors.lastname: Liu
authors.affiliation: School of Resources, Environmental and Chemical Engineering, Nanchang, Jiangxi 330031, China.
authors.forename: Dan
authors.initials: D
authors.lastname: Li
authors.affiliation: College of Chemistry, Nanchang University, Nanchang 330031, China E-mail: xufeigao@ncu.edu.cn.
authors.forename: Yuexiang
authors.initials: Y
authors.lastname: Li
authors.affiliation: College of Chemistry, Nanchang University, Nanchang 330031, China E-mail: xufeigao@ncu.edu.cn.
authors.forename: Min
authors.initials: M
authors.lastname: Wang
mesh_terms: D001391:Azo Compounds / Q000737:chemistry*; D001557:Benzenesulfonates / Q000737:chemistry*; D002384:Catalysis; D004396:Coloring Agents / Q000737:chemistry*; D004129:Dimethylpolysiloxanes / Q000737:chemistry*; D009757:Nylons / Q000737:chemistry*; D017640:Silicates; D012822:Silicon Dioxide / Q000737:chemistry*; D014025:Titanium / Q000737:chemistry*
chemical_list: D001391:Azo Compounds; D001557:Benzenesulfonates; D004396:Coloring Agents; D004129:Dimethylpolysiloxanes; D009757:Nylons; D017640:Silicates; C085707:poly(dimethylsiloxane)-polyamide copolymer; C009495:titanium dioxide; D012822:Silicon Dioxide; D014025:Titanium; C005144:pumice; C014722:2-naphthol orange