Adsorptive removal of methyl orange from aqueous solution with metal-organic frameworks, porous chromium-benzenedicarboxylates

Journal of Hazardous Materials
Enamul HaqueSung Hwa Jhung

Abstract

Two typical highly porous metal-organic framework (MOF) materials based on chromium-benzenedicarboxylates (Cr-BDC) obtained from Material of Institute Lavoisier with special structure of MIL-101 and MIL-53 have been used for the adsorptive removal of methyl orange (MO), a harmful anionic dye, from aqueous solutions. The adsorption capacity and adsorption kinetic constant of MIL-101 are greater than those of MIL-53, showing the importance of porosity and pore size for the adsorption. The performance of MIL-101 improves with modification: the adsorption capacity and kinetic constant are in the order of MIL-101<ethylenediamine-grafted MIL-101<protonated ethylenediamine-grafted MIL-101 (even though the porosity and pore size are slightly decreased with grafting and further protonation). The adsorption capacity of protonated ethylenediamine-grafted MIL-101 decreases with increasing the pH of an aqueous MO solution. These results suggest that the adsorption of MO on the MOF is at least partly due to the electrostatic interaction between anionic MO and a cationic adsorbent. Adsorption of MO at various temperatures shows that the adsorption is a spontaneous and endothermic process and that the entropy increases (the driving force of th...Continue Reading

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Citations

Sep 17, 2013·ACS Applied Materials & Interfaces·Jun-Qing JiangXiu-Ping Yan
Jan 7, 2014·Environmental Science and Pollution Research International·Faiyaz ShakeelIbrahim A Alsarra
Aug 1, 2014·Journal of Environmental Sciences (China)·Genlin ZhangPing Sun
Dec 1, 2012·Journal of Hazardous Materials·Nazmul Abedin KhanSung Hwa Jhung
Oct 2, 2012·Journal of Environmental Management·Imran AliTabrez A Khan
Jan 27, 2012·Journal of Hazardous Materials·Zubair HasanSung Hwa Jhung
Oct 30, 2015·Journal of Hazardous Materials·Sankha KarmakarSirshendu De
Jun 20, 2016·Journal of Colloid and Interface Science·Muhammad Rizwan AzharShaobin Wang
Jun 30, 2016·Chemosphere·Ali AyatiMika Sillanpää
Apr 14, 2017·Journal of Colloid and Interface Science·Muhammad R AzharShaobin Wang
Apr 20, 2017·Environmental Science and Pollution Research International·Lei WangZhenhu Xiong
Mar 22, 2014·Chemical Society Reviews·Ben Van de VoordeDirk De Vos
May 20, 2015·Journal of Colloid and Interface Science·Li-Na JinMingdong Dong
Jan 7, 2014·Chemistry : a European Journal·Nazmul Abedin KhanSung Hwa Jhung
Aug 23, 2018·Chemistry : a European Journal·Chen-Xia LiuGuang Yang
Jan 3, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Meng-Jung TsaiJing-Yun Wu
May 7, 2011·Chemistry : a European Journal·In Joong KangSung Hwa Jhung
May 14, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Shan ChengYao-Yu Wang
Jul 1, 2017·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Shi-Chuan WuJian-Hua Cheng
Apr 10, 2020·Environmental Science and Pollution Research International·Juan LiYajie Zhang
Sep 26, 2020·Environmental Science and Pollution Research International·Lata RaniPooja Mahajan
Sep 15, 2015·Chemistry : a European Journal·Alexander Samokhvalov

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