In this study, mesoporous silica hollow nanospheres (MSHSs) with continuously distributed pore diameters were simply synthesized through the hydrothermal method. Then, the effect of MSHSs on inhibition of asphalt volatile organic compounds (VOCs) was studied by using pyrolysis–gas chromatography/mass spectrometry (GC-MS). In addition, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy and the Brunauer–Emmett–Teller method were conducted to analyze the inhibition mechanism. GC-MS results showed that the addition of MSHSs could significantly reduce the emission of asphalt VOCs. Temperature influenced the emission amount of asphalt VOCs. The adsorption efficiencies of MSHSs for alkanes, hydrocarbon derivatives and polycyclic aromatic hydrocarbons are different. The inhibition mechanism indicated that the reduction of emissions of asphalt VOCs is a result of physical adsorption, rarefied concentration adsorption and chemical adsorption caused by MSHSs.
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5 July 2019
Research Article|
April 05 2019
Inhibition effect and mechanism of mesoporous silica hollow nanospheres on asphalt VOCs Available to Purchase
Benan Shu;
Benan Shu
State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, People’s Republic of China
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Shaopeng Wu;
State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, People’s Republic of China
(corresponding author: wusp@whut.edu.cn)
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Chao Li;
Chao Li
State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, People’s Republic of China
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Yongshuang Long;
Yongshuang Long
State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, People’s Republic of China
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Quantao Liu
Quantao Liu
State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, People’s Republic of China
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(corresponding author: wusp@whut.edu.cn)
Publisher: Emerald Publishing
Received:
September 17 2018
Accepted:
March 20 2019
Online ISSN: 2046-0155
Print ISSN: 2046-0147
ICE Publishing: All rights reserved
2019
Emerging Materials Research (2019) 8 (2): 283–289.
Article history
Received:
September 17 2018
Accepted:
March 20 2019
Citation
Shu B, Wu S, Li C, Long Y, Liu Q (2019), "Inhibition effect and mechanism of mesoporous silica hollow nanospheres on asphalt VOCs". Emerging Materials Research, Vol. 8 No. 2 pp. 283–289, doi: https://doi.org/10.1680/jemmr.18.00102
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