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Metallic organic frame material for separating CO2 and preparation method thereof

A metal-organic framework and organic ligand technology, which is applied in the field of metal-organic framework materials for efficient separation of CO2 and their preparation, can solve the problems of low selective adsorption and high sensitivity limitation, and achieves simple method, good separation effect, and repeatability. good effect

Active Publication Date: 2018-01-19
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, activated carbon has a negative effect on CO 2 The low selectivity of adsorption and the high sensitivity of zeolite molecular sieves to water vapor greatly limit the application range of these materials

Method used

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  • Metallic organic frame material for separating CO2 and preparation method thereof
  • Metallic organic frame material for separating CO2 and preparation method thereof
  • Metallic organic frame material for separating CO2 and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] In this example, a mixture of 0.038g cuprous iodide, 0.017g 3,5-pyridinedicarboxylic acid, 5mL dimethyl sulfoxide, 2mL ethanol and 0.02mL hydroiodic acid was added to a 25mL glass bottle for dissolution, and then the lid was closed and sealed , and crystallized in an oven at 90°C for 1 day. After the reaction was completed, the glass bottle was taken out and cooled naturally at room temperature. The crystals formed were removed and washed with ethanol repeatedly for 3 times, and dried at room temperature to obtain blocky green crystals.

[0022] In this example, single-crystal diffraction was carried out on the prepared massive green crystals, and the data analysis showed that the obtained massive green crystals had a three-dimensional porous structure, and there were two different SBUs in the structure, which were [Cu I 2 I 2 ] and [Cu II 2 (COO) 4 (H 2 O) 2 ], the connection of different types of SBUs with 3,5-pyridinedicarboxylic acid constructed a three-dimens...

Embodiment 2

[0024] In this example, a mixture of 0.038g cuprous iodide, 0.017g 3,5-pyridinedicarboxylic acid, 5mL dimethyl sulfoxide, 2mL ethanol and 0.05mL hydroiodic acid was added to a 25mL glass bottle for dissolution, and then the lid was closed and sealed , crystallized in an oven at 90° C. for 1 day, and after cooling, washing and drying as in Example 1, the characteristics and results of the target product obtained were the same as those in Example 1.

Embodiment 3

[0026] In this example, a mixture of 0.038g cuprous iodide, 0.017g 3,5-pyridinedicarboxylic acid, 5mL dimethyl sulfoxide, 2mL ethanol and 0.08mL hydroiodic acid was added to a 25mL glass bottle for dissolution, and then the lid was closed and sealed , crystallized in an oven at 90° C. for 1 day, and after cooling, washing and drying as in Example 1, the characteristics and results of the target product obtained were the same as those in Example 1.

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Abstract

The invention belongs to the technical field of a porous frame material and relates to a metallic organic frame material for separating CO2 and a preparation method thereof. The method comprises the following steps: uniformly mixing 0.2mmol cupric salt, 0.1mmol organic ligand, 5mL dimethyl sulfoxide, 2mL ethyl alcohol and 0.02-0.08mL hydroiodic acid and then filling into a glass bottle with a cover; crystalizing for 1 day at 90 DEG C, thereby acquiring a massive green crystal with excellent crystallinity; and using alcohol for cleaning the acquired massive green crystal and drying under room temperature, thereby acquiring an inorganic-organic hybrid porous metallic organic frame crystal compound. The prepared porous metallic organic frame crystal compound is a novel functional material forseparating CO2 mixed gas; the separating effect is excellent; the compounding materials are simple and feasible; the method is simple; the operation is convenient; and the repeatability is high.

Description

Technical field: [0001] The invention belongs to the technical field of porous frame materials, in particular to a high-efficiency separation of CO 2 Metal-organic framework materials and methods for their preparation. Background technique: [0002] With the rapid development of economy and society, energy consumption is increasing year by year, and the combustion of fossil fuels produces a large amount of CO 2 , as the main component of greenhouse gases, CO 2 The sharp increase in the amount of pollution has brought about a series of environmental problems such as the greenhouse effect and climate warming. Therefore, CO 2 The reduction of greenhouse gas emissions has become an important issue that the international community urgently needs to solve, and it is also a severe challenge for the sustainable development of society in the future. Currently, the most commonly used CO in industry 2 The capture and separation technology is the liquid amine solution absorption me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F1/08B01J20/22B01J20/30B01D53/02
CPCY02C20/40Y02P20/151
Inventor 王国明张迪薛镇镇
Owner QINGDAO UNIV
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