Bimetal organic framework material as well as preparation and application thereof
A metal-organic framework and organic framework technology are applied in the field of bimetallic adsorbents and their preparation, which can solve the problems of unsuitability for industrial application, little investigation of adjustment effect, high price, etc., so as to improve adsorption and separation performance, solve environmental problems, Efficient separation effect
Examples
Embodiment 1
[0026] Embodiment 1: solvothermal synthesis of Ni 0.65 Mg 0.35 (HCOO) 2
[0027] (1) Weigh 4.362g Ni(NO 3 ) 2 ·6H 2 Dissolve O and 1.261g melamine in a mixed solvent of 30ml DMF and 6ml methanol, stir for 50min to form solution A; dissolve 3.1ml HCOOH in 30ml DMF, stir to form solution B, add solution B to solution A, continue stirring for 20min to obtain a mixed Solution C;
[0028] (2) 1.282g Mg(NO 3 ) 2 ·6H 2 O was added to the mixed solution C in batches, stirred for 1 h, then the mixed solution was transferred to a 120 ml autoclave with a polytetrafluoroethylene liner, sealed tightly, placed in an oven at 100°C for 36 h, and cooled naturally.
[0029] (3) Centrifuge, wash the solid with methanol (2×25 ml), and dry the solid powder at 100° C. for 10 h to obtain 3.273 g of light green powder.
[0030] N measured by Autosorb IQ-2 from Quanta Instruments 2 The specific surface area is 298.04m 2 / g (determined by Langmuir method), CH 4 / N 2 The separation factor ...
Embodiment 2
[0031] Embodiment 2: solvothermal synthesis of Ni 0.8 mn 0.2 (HCOO) 2
[0032] (1) Weigh 5.816g Ni(NO 3 ) 2 ·6H 2 O and 1.513g melamine were dissolved in a mixed solvent of 30ml DMF and 6ml methanol, stirred for 40min to form solution A; 5.6ml HCOOH was dissolved in 30ml DMF, stirred to form solution B, solution B was added to solution A, continued to stir for 20min to obtain a mixed Solution C;
[0033] (2) 1.000g Mn(NO 3 ) 2 4H 2 O was slowly added to the mixed solution C, and continued to stir for 30 minutes, then the mixed solution was transferred to a 120ml autoclave with a Teflon liner, sealed tightly, placed in a 120°C oven for 36 hours, and cooled naturally.
[0034] (3) Centrifuge, wash the solid with methanol (2×25 ml), and dry the solid powder at 100° C. for 10 h to obtain 4.132 g of light green powder.
[0035] N as measured by Autosorb IQ-2 2 The specific surface area is 313.53m 2 / g (determined by Langmuir method), CH 4 / N 2 The separation factor wa...
Embodiment 3
[0036] Embodiment 3: solvothermal synthesis of Ni 0.7 Fe 0.2 (HCOO) 2
[0037] (1) Weigh 5.816g Ni(NO 3 ) 2 ·6H 2 Dissolve O and 0.784g sodium cyanide in a mixed solvent of 40ml DMF and 12ml methanol, stir for 50min to form solution A; dissolve 3.8ml HCOOH in 20ml DMF, stir to form solution B, add solution B to solution A, and continue stirring for 20min Obtain mixed solution C;
[0038] (2) 1.616g Fe(NO 3 ) 3 9H 2 O was slowly added to the mixed solution C, and continued to stir for 30 minutes, then the mixed solution was transferred to a 120ml autoclave with a Teflon liner, sealed tightly, placed in an oven at 100°C for 48 hours, and cooled naturally.
[0039] (3) Centrifuge, wash the solid with methanol (2×25 ml), and dry the solid powder at 100° C. for 10 h to obtain 4.016 g of brick red powder.
[0040] N as measured by Autosorb IQ-2 2 The specific surface area is 265.14m 2 / g (determined by Langmuir method), CH 4 / N 2 The separation factor was 5.0.
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Abstract
Description
Claims
Application Information
- IPC
- C07C51/41; C07C53/06; B01J20/22; B01D53/02; C10L3/10
- CPC
- C07C51/418; B01D53/02; B01D2253/204; B01J20/226; C10L3/105; C07C53/06
- Inventors
- 王树东; 胡江亮