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International Journal of Nanoscience and Nanotechnology (IJNN)، جلد ۱۰، شماره ۱، صفحات ۲۷-۳۴
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عنوان انگلیسی An Evaluation of the Adsorption Potential of MWCNTs for Benzene and Toluene Removal
چکیده انگلیسی مقاله In order to evaluate the adsorption potential of multi-walled carbon nanotubes (MWCNTs) for benzene, toluene and xylenes (BTX), the adsorption capacities of benzene and toluene on two different MWCNTs were measured using a gas-chromatography (GC) and then compared with each other. Fourier transform infrared (FTIR) was employed to investigate the presence of functional groups on the carbon nanotubes surface. The MWCNTs were also characterized by Raman spectroscopy and scanning electron microscopy (SEM) techniques and their specific surface areas were determined using the Brunauer–Emmett–Teller (BET) method. FTIR spectra proved the presence of functional groups on the surface of both two different MWCNTs. Generally, the results revealed that the MWCNTs with larger specific surface area and higher crystallinity have higher adsorption capacities for both benzene and toluene. Moreover, as compared with conventional adsorbents like the activated carbon, the carbon nanotubes have the advantages such as selectivity to aromatic volatile organic compounds such as BTX.
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نویسندگان مقاله f پورفیاض |
department of renewable energies and environment, faculty of new sciences and technologies, university of tehran, tehran, i. r. iran
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

sh برون |
chemical processes design research group, acecr, faculty of engineering, university of tehran, tehran, i. r. iran
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

j بابایی |
chemical processes design research group, acecr, faculty of engineering, university of tehran, tehran, i. r. iran
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

b ابراهیمی حسین زاده | ebrahimi hoseinzadeh
department of life sciences engineering, faculty of new sciences and technologies, university of tehran, tehran, i. r. iran
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

نشانی اینترنتی http://www.ijnnonline.net/article_5022_1ec831c33d21a028fb8635f24f919191.pdf
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