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The effect of Pt nanoparticles distribution on the removal of cyanide by TiO2 coated Al-MCM-41 in blue light exposure
Kadi, Mohammad W.; Hameed, A.; Mohamed, R. M.; Ismail, Iqbal M. I.; Alangari, Yaser; Cheng, Hui-Ming
2019-11-01
Source PublicationARABIAN JOURNAL OF CHEMISTRY
ISSN1878-5352
Volume12Issue:7Pages:957-965
AbstractWith an aim to enhance the photocatalytic activity, Pt loaded TiO2-Al-MCM-41 catalysts with high surface area were synthesized by a multistep route. The waste of the rice processing, rice husk (RH), was used as the precursor for the extraction of silica. The diffuse reflectance and photoluminescence spectroscopy revealed the extension of the absorption edge in the visible region and exciton trapping nature of the dispersed platinum. The structural analysis was carried out by XRD, whereas X-ray photoelectron spectroscopy identified the chemical states of the components of the synthesized powders. The BET surface area measurements revealed the reduction in the surface area and pore volume with the increasing platinum loading. TEM micrographs showed the uniform distribution of TiO2 and Pt nanoparticles at the surface of Al-MCM-41. The photocatalytic efficiency of the synthesized powders as photocatalysts was obtained for the removal of 100 ppm CN- from aqueous solution in fluorescent blue light exposure. Compared to unsupported TiO2, the Pt-loaded catalysts exhibited substantially high activity for the removal of CN-. A plausible mechanism for the removal of cyanide ions was proposed. The catalysts showed excellent stability and reproducibility in the successive use. (C) 2016 The Authors. Production and hosting by Elsevier B.V.
KeywordAl-MCM-41 Rice Husk Pt loading TiO2 loaded Al-MCM-41 Cyanide
Indexed BySCI
Language英语
WOS IDWOS:000494954400005
PublisherELSEVIER
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80665
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Kadi, Mohammad W.,Hameed, A.,Mohamed, R. M.,et al. The effect of Pt nanoparticles distribution on the removal of cyanide by TiO2 coated Al-MCM-41 in blue light exposure[J]. ARABIAN JOURNAL OF CHEMISTRY,2019,12(7):957-965.
APA Kadi, Mohammad W.,Hameed, A.,Mohamed, R. M.,Ismail, Iqbal M. I.,Alangari, Yaser,&Cheng, Hui-Ming.(2019).The effect of Pt nanoparticles distribution on the removal of cyanide by TiO2 coated Al-MCM-41 in blue light exposure.ARABIAN JOURNAL OF CHEMISTRY,12(7),957-965.
MLA Kadi, Mohammad W.,et al."The effect of Pt nanoparticles distribution on the removal of cyanide by TiO2 coated Al-MCM-41 in blue light exposure".ARABIAN JOURNAL OF CHEMISTRY 12.7(2019):957-965.
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