Zeolite-templated microporous carbon as a superior adsorbent for removal of monoaromatic compounds from aqueous solution

Environmental Science & Technology
Liangliang JiDongqiang Zhu

Abstract

A microporous carbon with very high specific surface area and narrow pore size distribution was synthesized using Y zeolite as a template. The structural, porosity, and surface characteristics of the material were investigated by elemental analysis, N2 adsorption, powder X-ray diffraction, and Raman spectroscopy. The batch adsorption technique was performed to assess adsorption of three monoaromatic compounds, phenol, 1,3-dichlorobenzene, and 1,3-dinitrobenzene, on the synthesized carbon. Nonporous graphite, single-walled carbon nanotubes, and two commercial microporous activated carbons were also included as comparative adsorbents. The synthesized microporous carbon showed extraordinarily high adsorption affinity (comparable or higher than activated carbons and carbon nanotubes) for the three adsorbates, and very fast adsorption/ desorption kinetics (equilibrium reached less than 3 h) and complete adsorption reversibility for phenol. These adsorption properties were attributed to the large hydrophobic surface area and the regular-shaped, open and interconnected three-dimensional pore structure of the synthesized microporous carbon. Additionally, with normalization of adsorbent surface area adsorption of a bulky solute, 1,2,4,5...Continue Reading

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Citations

Dec 31, 2010·Environmental Toxicology and Chemistry·Fengling LiuDongqiang Zhu
Mar 23, 2011·Environmental Toxicology and Chemistry·Xin ShiDongqiang Zhu
Dec 3, 2014·Water Research·Onur Guven Apul, Tanju Karanfil
Sep 12, 2014·Environmental Science and Pollution Research International·Xiaoqiang ChenTomonori Ishigaki
Apr 25, 2018·Chemical Communications : Chem Comm·H Nishihara, T Kyotani
Nov 3, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Azhagapillai PrabhuC Srinivasakannan
Aug 14, 2020·Environmental Science and Pollution Research International·Guiwei LiangJing Zhao
Oct 21, 2014·Physical Chemistry Chemical Physics : PCCP·Waleeporn DonphaiHiromi Yamashita
Mar 6, 2010·Environmental Science & Technology·Liangliang JiDongqiang Zhu
Aug 14, 2010·Environmental Science & Technology·Liangliang JiDongqiang Zhu
Oct 19, 2013·Journal of the American Chemical Society·Anthony Shoji HallThomas E Mallouk
Mar 20, 2015·Environmental Science & Technology·Xiaofang ShenXilong Wang
Sep 6, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Jieun Lee, Ji Young Chang

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