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Composite material with light hydrocarbon adsorption function, preparation method of composite material, method for removing light hydrocarbon by using composite material and application of composite material

A composite material and light hydrocarbon technology, which is applied in chemical instruments and methods, refined hydrocarbon oil, alkali metal compounds, etc., can solve the problems of porous material skeleton and pore collapse, significant reduction in specific surface area and pore volume, etc., and achieves the preparation method. Simple and environmentally friendly, stable skeleton structure, strong mechanical strength

Pending Publication Date: 2022-03-01
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide composite materials and its The preparation method and the method for removing light hydrocarbons by using it, the skeleton structure of the composite material is stable, has strong mechanical stability, and the pore volume, pore diameter and specific surface area of ​​the composite material are large, and has high light hydrocarbon adsorption Capacity, the method of preparing the composite material is simple and environmentally friendly, the price of synthetic raw materials is low, and it is easy for large-scale production and application

Method used

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  • Composite material with light hydrocarbon adsorption function, preparation method of composite material, method for removing light hydrocarbon by using composite material and application of composite material
  • Composite material with light hydrocarbon adsorption function, preparation method of composite material, method for removing light hydrocarbon by using composite material and application of composite material
  • Composite material with light hydrocarbon adsorption function, preparation method of composite material, method for removing light hydrocarbon by using composite material and application of composite material

Examples

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Effect test

preparation example 1

[0052] Cu(OH) 2 (19.5g, 0.2mol) was added into deionized water and stirred evenly; trimesic acid (42g, 0.2mol) was added into ethanol and stirred evenly. Cu(OH) 2 The molar ratio of / trimesic acid / deionized water / ethanol is 1:1:50:40. Cu(OH) 2 The aqueous solution of the solution was slowly introduced into the ethanol solution of trimesic acid, and stirred at room temperature for 24h. The solid was separated by centrifugation (3500 rpm, 20 min), and the solid was washed twice with absolute ethanol at 60°C. Dry it in a solid oven at 80°C, and the X-ray powder diffraction test proves that the obtained product is the HKUST-1 material used in the examples. The X-ray powder diffraction test conditions are as follows: German Bruker-AXSD8 automatic X-ray diffractometer is adopted, the light source adopts the Cu target Kα radiation of the radiation source, the tube pressure is 30kV, the tube flow is 30mA, and the scanning is carried out continuously at a scanning speed of 2° / min ...

Embodiment 1

[0054] Add polyvinyl formal (PVFM, 0.3g) into DMF organic solvent (6ml) and heat at 60°C to dissolve and stir evenly. Add HKUST-1 material (2.7g) and stir evenly. Add the MOF-polymer mixture dropwise (dropping speed 0.1mL / s) to 100ml reverse-phase solvent deionized water / ethanol mixture (volume ratio 1:2) at room temperature. After keeping it for 1 hour, soak it with fresh deionized water (50ml) for 3 times, and finally soak it with absolute ethanol (50ml) for 2 times, and dry it to get the composite material.

Embodiment 2

[0056] Add polyvinyl formal (PVFM, 0.45g) into DMF organic solvent (10ml) and heat at 70°C to dissolve and stir evenly. Add HKUST-1 material (2.55g) and stir evenly. Add the MOF-polymer mixture dropwise (dropping speed 0.075mL / s) to 100ml reverse-phase solvent deionized water / ethanol mixture (volume ratio 2:1) at room temperature. After keeping it for 1.5 hours, soak it with fresh deionized water (50ml) for 3 times, and finally soak it with absolute ethanol (50ml) for 2 times, and dry it to get the composite material.

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Abstract

The invention relates to the field of material synthesis, and discloses a composite material with a light hydrocarbon adsorption function, a preparation method of the composite material, a method for removing light hydrocarbons by using the composite material and application of the composite material. The composite material comprises an association structure formed by a polymer and a copper-based metal organic framework material loaded in the association structure, the weight ratio of the polymer to the copper-based metal organic framework material is 1: (1-15), and the polymer is selected from at least one of polyvinyl formal, polypropylene, polyethylene sulfone and polyamide. The composite material is stable in framework structure and has high mechanical stability, the pore volume, the pore diameter and the specific surface area of the composite material are large, the light hydrocarbon adsorption capacity is high, the method for preparing the composite material is simple and environmentally friendly, synthesis raw materials are low in price, and large-scale production and application are easy.

Description

technical field [0001] The invention relates to the field of material synthesis, in particular to a composite material with light hydrocarbon adsorption function, a preparation method thereof, and a method and application for removing light hydrocarbons by using the composite material. Background technique [0002] With the country's increasing emphasis on environmental protection, the air pollutant emission standards for refining industries and oil storage depots are becoming more and more stringent. The refining industry and oil storage depots mainly use adsorption technology to recover oil and gas. Commonly used adsorption materials include activated carbon and silica gel. At present, the problem of oil and gas recovery is mainly that small molecular hydrocarbons are difficult to be adsorbed and removed, that is, the activated carbon and silica gel adsorption materials in the existing oil and gas recovery devices have better adsorption effect on large molecular VOCs, but ...

Claims

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Application Information

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IPC IPC(8): B01J20/22B01J20/28B01J20/30B01J20/32C10G25/00
CPCB01J20/226B01J20/28057B01J20/28069B01J20/28078B01J20/3085B01J20/3208C10G25/003
Inventor 李莹郭一蓉张红星文桂林林雨肖安山
Owner CHINA PETROLEUM & CHEM CORP
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