Layered porous material for adsorbing and separating allylene and propylene and preparation method and application thereof
A propyne, propyne, adsorption separation technology, applied in the field of chemical engineering, can solve problems such as the inability to realize the adsorption of propyne and exclusion of propyne, and achieve the effects of good industrial application prospects, large adsorption capacity, and complete crystal structure
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[0059] Example 1
[0060] Put 10mL containing 0.25mmol Cu(BF 4 ) 2 ·H 2 O, (NH 4 ) 2 GeF 6 The aqueous solution was added dropwise to 10 mL of methanol solution containing 0.5 mmol of 4,4-dipyridine sulfide, and then 20 mL of a mixed solution containing metal salts, inorganic anions and organic ligands was placed in an oven at 80°C for 48 hours. After the reaction, blue crystals are obtained. The obtained product is filtered and then washed with methanol and allowed to stand for 3 days. The methanol is replaced every other day, and then vacuum activated at 100°C for 24 hours to obtain a GeFSIX-dps-Cu layered porous material.
[0061] The thermogravimetric curve of the GeFSIX-dps-Cu layered porous material obtained in this example is as follows figure 1 As shown, it has high thermal stability.
[0062] The adsorption isotherm of the GeFSIX-dps-Cu layered porous material obtained in this example for propargylpropene at 298K is as follows figure 2 As shown, the material has a relativel...
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[0064] Example 2
[0065] 10mL containing 0.25mmol ZnGeF 6 The methanol solution was dropped into 10 mL methanol solution containing 0.5 mmol 4,4-dipyridine sulfide, and then 20 mL of a mixed solution containing metal salts, inorganic anions and organic ligands was reacted at room temperature for 72 hours. After the reaction, white crystals are obtained. The obtained product is filtered and then washed with methanol and allowed to stand for 3 days. The methanol is replaced every other day, and then vacuum activated at room temperature for 24 hours to obtain the GeFSIX-dps-Zn layered porous material.
[0066] The thermogravimetric curve of the GeFSIX-dps-Zn layered porous material obtained in this example is as follows Figure 4 As shown, it has high thermal stability.
[0067] The adsorption isotherm of the GeFSIX-dps-Zn layered porous material obtained in this example for propargylpropene at 298K is as follows Figure 5 As shown, the material has a high propyne adsorption capacity (...
Example Embodiment
[0069] Example 3
[0070] Put 10mL containing 0.25mmol Cu(BF 4 ) 2 ·H 2 O, (NH 4 ) 2 TiF 6 The aqueous solution was added dropwise to 10 mL of methanol solution containing 0.5 mmol of 4,4-dipyridine sulfide, and then 20 mL of a mixed solution containing metal salts, inorganic anions and organic ligands was placed in an oven at 80°C for 48 hours. After the reaction, blue crystals were obtained. The obtained product was filtered and washed with methanol and allowed to stand for 3 days. The methanol was replaced every other day in the middle, and then vacuum activated at 100°C for 24 hours to obtain TiFSIX-dps-Cu layered porous material.
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