DICP OpenIR
Characterization and activity of TiO2/wAC composite photocatalyst prepared by acid catalyzed hydrolysis method
Chen Xiao-Yun; Liu Shou-Xin; Chen Xi; Sun Cheng-Lin
KeywordTio2 Activated Carbon Acid Catalyzed Hydrolysis Tio2/ac Composite Photocatalyst Mechanism
Source PublicationACTA PHYSICO-CHIMICA SINICA
2006-05-01
DOI10.3866/PKU.WHXB20060501
Volume22Issue:5Pages:517-522
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordTITANIUM-DIOXIDE ; CARBON ; FILMS
AbstractTiO2/AC (activated carbon) composite photocatalysts were prepared by acid catalyzed hydrolysis method followed by calcinations in N-2 atmosphere. Photocatalytic activity of TiO2/wAC (w: the mass fraction of AC, %) was investigated through the photocatalytic degradation of phenol, methyl orange, and Cr6+ in the present of TiO2/wAC. The separability of TiO2/AC was determined by gravity-sedimentation. XRD, DRS, FTIR, SEM, and N2 adsorption isotherm were used to characterize the crystal structure, spectra characteristics, and surface properties of the obtained catalysts. The results showed that TiO2/wAC catalysts with optimal AC content 5%(w) exhibited more higher activity than P-25 and TiO2, as well as good decantability, less activity lost after several runs and less sensitive to pH change. Result of DRS revealed no electronic change when AC was added. Better TiO2 distribution and less agglomeration can be achieved when optimal AC content adopted. Result of FTIR suggests that a conjugation effect was presented between the AC bulk and Ti-O bond. Suitable pollutant concentration environment and less agglomeration provided by AC was the main cause for the high activity of TiO2/5AC. The performance of the prepared TiO2/5AC catalyst revealed great practical potential in waste water treatment.
Language英语
WOS IDWOS:000237709200001
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/140299
Collection中国科学院大连化学物理研究所
Affiliation1.NE Forestry Univ, Key Lab Biobased Mat Sci & Technol, Harbin 150040, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Chen Xiao-Yun,Liu Shou-Xin,Chen Xi,et al. Characterization and activity of TiO2/wAC composite photocatalyst prepared by acid catalyzed hydrolysis method[J]. ACTA PHYSICO-CHIMICA SINICA,2006,22(5):517-522.
APA Chen Xiao-Yun,Liu Shou-Xin,Chen Xi,&Sun Cheng-Lin.(2006).Characterization and activity of TiO2/wAC composite photocatalyst prepared by acid catalyzed hydrolysis method.ACTA PHYSICO-CHIMICA SINICA,22(5),517-522.
MLA Chen Xiao-Yun,et al."Characterization and activity of TiO2/wAC composite photocatalyst prepared by acid catalyzed hydrolysis method".ACTA PHYSICO-CHIMICA SINICA 22.5(2006):517-522.
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