Name: ZIF-7 granule
Other names: 1H-Benzimidazole, zinc salt
CAS: 909531-29-9
Unit molecular formula: [Zn(bim)2]
Unit molecular weight: 201.54122
Coordination metal: Zn
Ligand: Benzimidazole (CAS: 51-17-2)
Adsorption capacity: ethane: 2.36 mmol/g; Ethylene: 2.01 mmol/g
Particle forming process: binder
Particle strength: 53N
Particle diameter: 3mm
Percentage change of target gas adsorption: ethane and ethylene decreased by 4.41% and 10%
Product morphology: white particles
Product character
1. Stability
1) Stable in air, stable in aqueous solution for several days, decomposed in acidic solution
2. Preservation and activation methods
1) Under normal or low temperature conditions, dry sealed storage
3. Other features
Fluorescence :NA
4. Application field
1)ZIF-7 can be applied to the adsorption separation of hydrogen, as well as the adsorption separation of ethane/ethylene, with a unique flexible structure, showing different opening pressures for different gas molecules.
2) ZIF-7 has a high carbon content and can be used for gas adsorption as a porous carbon material with a certain morphology after high temperature carbonization
References: 1) Park, Kyo Sung; Ni, Zheng; Cote, Adrien P.; Choi, Jae Yong; Huang, Rudan; Uribe-Romo, Fernando J.; Chae, Hee K.; O'Keeffe, Michael; Yaghi, Omar M.; Exceptional chemical and thermal stability of zeolitic imidazolate frameworks. Proc. Natl. Acad. Sci. U. S. A., 2006, 103, 10186-10191, DOI: 10.1073/pnas.0602439103
2) Peng, Yuan; Li, Yanshuo; Ban, Yujie; Jin, Hua; Jiao, Wenmei; Liu, Xinlei; Yang, Weishen; Metal-organic framework nanosheets as building blocks for molecular sieving membranes; science,2014, 346(6215), 1356-1359, DOI: 10.1126/science.1254227;
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