دورية أكاديمية
Kinetics and thermodynamics of sorption of nitroaromatic compounds to as-grown and oxidized multiwalled carbon nanotubes.
| العنوان: | Kinetics and thermodynamics of sorption of nitroaromatic compounds to as-grown and oxidized multiwalled carbon nanotubes. |
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| المؤلفون: | Shen XE; College of Environment and Resources, Jilin University, Changchun 130012, China., Shan XQ, Dong DM, Hua XY, Owens G |
| المصدر: | Journal of colloid and interface science [J Colloid Interface Sci] 2009 Feb 01; Vol. 330 (1), pp. 1-8. Date of Electronic Publication: 2008 Nov 01. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Academic Press Country of Publication: United States NLM ID: 0043125 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-7103 (Electronic) Linking ISSN: 00219797 NLM ISO Abbreviation: J Colloid Interface Sci Subsets: PubMed not MEDLINE |
| أسماء مطبوعة: | Publication: Orlando, FL : Academic Press Original Publication: New York. |
| مستخلص: | The sorption kinetics and thermodynamics of 1,3-dinitrobenzene (DNB), m-nitrotoluene (mNT), p-nitrophenol (pNP), and nitrobenzene (NB) on as-grown and nitric acid-oxidized multiwalled carbon nanotubes (MWCNTs) were investigated. The sorption kinetics was well described by a pseudo-second-order rate model, while both Langmuir and Freundlich models described the sorption isotherms well and the sorption thermodynamic parameters of equilibrium constant (K(0)), standard free energy (DeltaG), standard enthalpy (DeltaH), and standard entropy changes (DeltaS) were measured. The values of DeltaH and DeltaG suggested that the sorption of nitroaromatics (NACs) onto MWCNTs was exothermic and spontaneous. The structure, number, and position of nitro groups of NACs were the main factors affecting the sorption rate and capacity. Treatment of the MWCNTs with nitric acid increased both the surface area and the pore volume and introduced oxygen-containing functional groups to the MWCNTs, which depressed the sorption of NACs onto MWCNTs. |
| تواريخ الأحداث: | Date Created: 20081104 Date Completed: 20090209 Latest Revision: 20091111 |
| رمز التحديث: | 20231215 |
| DOI: | 10.1016/j.jcis.2008.10.023 |
| PMID: | 18977488 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1095-7103 |
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| DOI: | 10.1016/j.jcis.2008.10.023 |