Synthesis of an Attapulgite Clay@Carbon Nanocomposite Adsorbent by a Hydrothermal Carbonization Process and Their Application in the Removal of Toxic Metal Ions from Water

被引：246

作者：

Chen, Li-Feng

Lang, Hai-Wei

Lu, Yang

Cui, Chun-Hua

Yu, Shu-Hong ^{[1
]}

机构：

[1] Univ Sci & Technol China, Div Nanomat & Chem, Hefei Natl Lab Phys Sci Microscale, Dept Chem, Hefei 230026, Peoples R China

来源：

LANGMUIR | 2011年 / 27卷 / 14期

基金：

对外科技合作项目（国际科技项目）; 中国国家自然科学基金;

关键词：

AQUEOUS-SOLUTION; HEXAVALENT CHROMIUM; ACTIVATED CARBON; WASTE-WATER; LEAD; ADSORPTION; CR(VI); SURFACE; CADMIUM; BIOMASS;

D O I：

10.1021/la2017165

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new kind of attapulgite clay@carbon (ATP@C) nanocomposite adsorbent has been synthesized by a one-pot hydrothermal carbonization process under mild conditions using two cheap, ecofriendly materials (i.e., attapulgite clay (ATP), which is a magnesium aluminum silicate that is abundant in nature, and glucose, which is a green chemical obtained from biomass), Compared to carbon-based materials, this new ATP@C nanocomposite exhibits a high adsorption ability for Cr(VI) and Pb(II) ions with maximum adsorption capacities of 177.74 and 263.83 mg.g(-1) respectively. The results demonstrate that this nanocomposite is an exceptionally promising candidate as a low-cost, sustainable, and effective adsorbent for the removal of toxic ions from water.

引用

页码：8998 / 9004

页数：7

共 51 条

[1] The removal of cadmium and lead from aqueous solution by ion exchange with Na-Y zeolite [J].

Ahmed, S ;

Chughtai, S ;

Keane, MA .

SEPARATION AND PURIFICATION TECHNOLOGY, 1998, 13 (01) :57-64

[2] Adsorption of Cr(VI) using activated neem leaves: kinetic studies [J].

Babu, B. V. ;

Gupta, S. .

ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY, 2008, 14 (01) :85-92

[3]

Barnhart J, 1997, J SOIL CONTAM, V6, P561, DOI 10.1080/15320389709383589

[4] Removal of hexavalent chromium from wastewater using a new composite chitosan biosorbent [J].

Boddu, VM ;

Abburi, K ;

Talbott, JL ;

Smith, ED .

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2003, 37 (19) :4449-4456

[5] Kinetic and isothermal studies of lead ion adsorption onto palygorskite clay [J].

Chen, Hao ;

Wang, Aiqin .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2007, 307 (02) :309-316

[6] Toxicity and carcinogenicity of Cr(VI) in animal models and humans [J].

Costa, M .

CRITICAL REVIEWS IN TOXICOLOGY, 1997, 27 (05) :431-442

[7] Carboxylate-Rich Carbonaceous Materials via One-Step Hydrothermal Carbonization of Glucose in the Presence of Acrylic Acid [J].

Demir-Cakan, Rezan ;

Baccile, Niki ;

Antonietti, Markus ;

Titirici, Maria-Magdalena .

CHEMISTRY OF MATERIALS, 2009, 21 (03) :484-490

[8] Polyethylenimine-modified fungal biomass as a high-capacity biosorbent for Cr(VI) anions: Sorption capacity and uptake mechisms [J].

Deng, SB ;

Ting, YP .

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2005, 39 (21) :8490-8496

[9] LEAD-EXPOSURE AND NEUROBEHAVIORAL DEVELOPMENT IN LATER INFANCY [J].

DIETRICH, KN ;

SUCCOP, PA ;

BORNSCHEIN, RL ;

KRAFFT, KM ;

BERGER, O ;

HAMMOND, PB ;

BUNCHER, CR .

ENVIRONMENTAL HEALTH PERSPECTIVES, 1990, 89 :13-19

[10] Removal of hexavalent chromium with a lignocellulosic substrate extracted from wheat bran [J].

Dupont, L ;

Guillon, E .

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2003, 37 (18) :4235-4241

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