Increased Selectivity in CO2/CH4 Separation with Mixed-Matrix Membranes of Polysulfone and Mixed-MOFs MIL-101(Cr) and ZIF-8

被引：66
|
作者：
Jeazet, Harold B. Tanh [1 ]
Sorribas, Sara [2 ,3 ]
Roman-Marin, Jose M. [4 ]
Zornoza, Beatriz [2 ,3 ]
Tellez, Carlos [2 ,3 ]
Coronas, Joaquin [2 ,3 ]
Janiak, Christoph [1 ]
机构：
[1] Heinrich Heine Univ Dusseldorf, Inst Anorgan Chem & Strukturchem, D-40204 Dusseldorf, Germany
[2] Univ Zaragoza, Chem & Environm Engn Dept, Zaragoza 50018, Spain
[3] Univ Zaragoza, Inst Nanociencia Aragon, Zaragoza 50018, Spain
[4] Danish Technol Inst, Gregersensvej 6H, DK-2630 Taastrup, Denmark
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2016年 / 27期
关键词：
Metal-organic frameworks; Mixed-matrix membranes; Microporous materials; Polysulfones; Gas separation; Carbon dioxide Methane; METAL-ORGANIC FRAMEWORK; GAS-SEPARATION; SILICA MCM-41; CO2; CAPTURE; WATER; COMBINATION; FILLERS; STABILITY; ZEOLITES; POLYMERS;
D O I：
10.1002/ejic.201600190
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Combination of two hydrothermally stable MOFs MIL-101(Cr) and ZIF-8 in a 1:1 ratio in a polysulfone (PSF) mixed-matrix membrane (MMM) showed a significant higher selectivity in mixed-gas CO2/CH4 permeation tests for 16 wt.-% MIL-101(Cr)/ZIF-8 compared to analogous single-filler MMMs [MIL-101(Cr) or ZIF-8] or to the also tested combination NH2-MIL-53(Al)/ZIF-8 (1:1 ratio). The CO2/CH4 selectivity increased significantly from 23 to 40 from pure PSF to the 16 wt.-% MIL-101(Cr)/ZIF-8 membrane. Separation of CO2/CH4 is relevant for purification (sweetening) of natural gas (CH4 as main component) which is soured with up to over 40 % CO2 and N-2 and only useable at low CO2 concentrations.
引用
收藏
页码：4363 / 4367
页数：5
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