Synthesis of rare earth metal-organic frameworks (Ln-MOFs) and their properties of adsorption desulfurization

稀土学报(英文版), 2014, (2): 189-194. doi: 10.1016/S1002-0721(14)60050-8

刘想 ^1, , 王景艳 ^2, , 李庆远 ^3, , 蒋赛 ^4, , 张天浩 ^5, , 季生福 ^6,

1.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

2.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

3.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

4.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

5.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

6.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

基金项目: the National Natural Science Foundation of China (21136001,21173018)

Synthesis of rare earth metal-organic frameworks (Ln-MOFs) and their properties of adsorption desulfurization

LIU Xiang ^1, , WANG Jingyan ^2, , LI Qingyuan ^3, , JIANG Sai ^4, , ZHANG Tianhao ^5, , JI Shengfu ^6,

1.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

2.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

3.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

4.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

5.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

6.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Keywords： rare earth metals

The rare earth metal-organic frameworks (Ln-MOFs) materials, Ln(BTC)(H2O)·(DMF), were synthesized using the rare earth metal (Ln=Sm, Eu, Tb, Y) and 1,3,5-trimesic acid (BTC) as a metal ion center and ligand, respectively. X-ray diffraction (XRD) and infrared spectroscopy (FT-IR) were employed to characterize the Ln-MOFs structural features. The property of adsorption desul-furization of Ln-MOFs materials was evaluated with thiophene/n-octane as model oil. The results showed that Ln-MOFs with rare earth metals Sm, Eu, Tb and Y had perfect crystalline and good adsorption desulfurization ability. Y(BTC)(H2O)·(DMF) material had a comparatively better activity for the adsorption desulfurization with desulfurization rate up to 80.7%and the sulfur adsorption ca-pacity was found 30.7 mgS/g(Y-MOFs). The Ln-MOFs materials had excellent reusability.

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Synthesis of rare earth metal-organic frameworks (Ln-MOFs) and their properties of adsorption desulfurization

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