Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 453, Issue -, Pages 270-275Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2015.05.005
Keywords
Metal-organic frameworks; Nanomaterials; Congo red; Adsorption
Categories
Funding
- National Natural Science Foundation of China [21401081]
- China Postdoctoral Science Foundation [2014M560397]
- Jiangsu Natural Science Funds for Distinguished Young Scholars [BK20140013]
- Jiangsu Postdoctoral Science Foundation [1401051C]
- Senior Intellectuals Fund of Jiangsu University [14JDG058, 11JDG098]
- Villum Fonden [00007194] Funding Source: researchfish
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MIL-68 (In) nano-rods were prepared by a facile solvothermal synthesis using NaOAc as modulator agent at 100 degrees C for 30 min. The BET test showed that the specific surface area and pore volume of MIL-68 (In) nanorods were 1252 m(2) g(-1) and 0.80 cm(3) g(-1), respectively. The as-prepared MIL-68 (In) nanorods showed excellent adsorption capacity and rapid adsorption rate for removal of Congo red (CR) dye from water. The maximum adsorption capacity of MIL-68 (In) nanorods toward CR reached 1204 mg g(-1), much higher than MIL-68 (In) microrods and most of the previously reported adsorbents. The adsorption process of CR by MIL-68 (In) nano-rods was investigated and found to be obeying the Langmuir adsorption model in addition to pseudo-second-order rate equation. Moreover, the MIL-68 (In) nanorods showed an acceptable reusability after regeneration with ethanol. All information gives an indication that the as-prepared MIL-68 (In) nanorods show their potential as the adsorbent for highly efficient removal of CR in wastewater. (C) 2015 Elsevier Inc. All rights reserved.
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