Adsorption kinetics of aromatic compounds on carbon nanotubes and activated carbons

被引：55

作者：

Zhang, Shujuan ^{[2
]}

Shao, Ting ^{[1
]}

Kose, H. Selcen ^{[1
]}

Karanfil, Tanju ^{[1
]}

机构：

[1] Clemson Univ, Dept Environm Engn & Earth Sci, Anderson, SC USA

[2] Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing, Jiangsu, Peoples R China

来源：

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY | 2012年 / 31卷 / 01期

基金：

美国国家科学基金会;

关键词：

Adsorption kinetics; Organic compound; Activated carbon; Carbon nanotubes; METHYLENE-BLUE; 17-ALPHA-ETHINYL ESTRADIOL; AQUEOUS-SOLUTIONS; BISPHENOL-A; THERMODYNAMICS; ADSORBENTS; SORPTION; REMOVAL; HYDROCARBONS; EQUILIBRIUM;

D O I：

10.1002/etc.724

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Adsorption kinetics of two organic compounds on four types of carbonaceous adsorbents (a granular activated carbon [HD4000], an activated carbon fiber [ACF10], a single-walled carbon nanotube [SWNT], and a multiwalled carbon nanotube [MWNT]) was examined in aqueous solutions. The times needed for the adsorption to reach apparent equilibrium on the four carbons followed the order of ACF10>HD4000>SWNT>MWNT. Ultrasonication of the carbon nanotubes (CNTs) accelerated their adsorption kinetics but had no effect on their equilibrium adsorption capacities. The pseudo-second order model (PSOM) provided good fitting for the kinetic data. The fitting of kinetic data with the intraparticle diffusion model indicated that external mass transfer controls the sorption process in the organic compoundCNT systems, whereas intraparticle diffusion dominates in the sorption of organic compounds onto activated carbons. Environ. Toxicol. Chem. 2012;31:7985. (C) 2011 SETAC

引用

页码：79 / 85

页数：7

共 28 条

[1] Adsorption of 2-nitrophenol by multi-wall carbon nanotubes from aqueous solutions [J].

Arasteh, R. ;

Masoumi, M. ;

Rashidi, A. M. ;

Moradi, L. ;

Samimi, V. ;

Mostafavi, S. T. .

APPLIED SURFACE SCIENCE, 2010, 256 (14) :4447-4455

[2] Adsorption kinetics, isotherms and thermodynamics of atrazine on surface oxidized multiwalled carbon nanotubes [J].

Chen, Guang-Cai ;

Shan, Xiao-Quan ;

Zhou, Yi-Quan ;

Shen, Xiu-e ;

Huang, Hong-Lin ;

Khan, Shahamat U. .

JOURNAL OF HAZARDOUS MATERIALS, 2009, 169 (1-3) :912-918

[3] Adsorption of polyaromatic hydrocarbons on single wall carbon nanotubes of different functionalities and diameters [J].

Gotovac, Suzana ;

Yang, Cheol-Min ;

Hattori, Yoshiyuki ;

Takahashi, Kunimitsu ;

Kanoh, Hirofumi ;

Kaneko, Katsumi .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2007, 314 (01) :18-24

[4]

Ho YS, 1998, CHEM ENG J, V70, P115, DOI 10.1016/S0923-0467(98)00076-1

[5] Mechanisms for strong adsorption of tetracycline to carbon nanotubes: A comparative study using activated carbon and graphite as adsorbents [J].

Ji, Liangliang ;

Chen, Wei ;

Duan, Lin ;

Zhu, Dongqiang .

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2009, 43 (07) :2322-2327

[6] Kinetics and mechanism of removal of methylene blue by adsorption on various carbons - a comparative study [J].

Kannan, N ;

Sundaram, MM .

DYES AND PIGMENTS, 2001, 51 (01) :25-40

[7]

Lagergren SK., 1898, KUNGLIGA SVENSKA VET, V24, P1, DOI DOI 10.1007/BF01501332

[8] Carbon nanotubes as superior sorbent for dioxin removal [J].

Long, RQ ;

Yang, RT .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (09) :2058-2059

[9] Adsorption thermodynamic and kinetic studies of trihalomethanes on multiwalled carbon nanotubes [J].

Lu, Chungsying ;

Chung, Yao-Lei ;

Chang, Kuan-Foo .

JOURNAL OF HAZARDOUS MATERIALS, 2006, 138 (02) :304-310

[10] REMOVAL OF COLOR FROM EFFLUENT USING VARIOUS ADSORBENTS .3. SILICA - RATE-PROCESSES [J].

MCKAY, G ;

OTTERBURN, MS ;

SWEENEY, AG .

WATER RESEARCH, 1980, 14 (01) :15-20

← 1 2 3 →