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Preparation method and application of novel graphene foam rectifying tower filler

A technology of graphene foam and rectification tower, which is applied in separation methods, chemical instruments and methods, fractionation, etc., can solve the problems of large equipment investment and high energy consumption of separation, reduce corrosion, improve rectification efficiency, and improve catalysis effect of effect

Active Publication Date: 2017-06-20
山东金城石墨烯科技有限公司
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Problems solved by technology

Rectification has the advantages of wide application and mature technology, but there are problems such as large equipment investment and high energy consumption for separation. Therefore, the research and development of new high-efficiency mass transfer elements can improve the separation efficiency of rectification trays and reduce the investment cost of columns. It has important social significance and economic value for the entire distillation industry

Method used

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  • Preparation method and application of novel graphene foam rectifying tower filler
  • Preparation method and application of novel graphene foam rectifying tower filler
  • Preparation method and application of novel graphene foam rectifying tower filler

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Embodiment Construction

[0026] The following are specific embodiments of the present invention to further describe the technical solutions of the present invention, but the protection scope of the present invention is not limited to these embodiments. All changes or equivalent substitutions that do not depart from the concept of the present invention are included in the protection scope of the present invention.

[0027] A kind of preparation method of novel graphene foam distillation column packing, comprises the following steps:

[0028] 1) 50mL of graphene oxide slurry with a concentration of 8mg / mL was subjected to ultrasonic vibration for 30min and then magnetically stirred, and 7mL of Tween-80 / ethanol mixed solution with a concentration of 100-200mg / mL was pipetted with a pipette and added dropwise to the solution. In the graphene oxide solution, after the solution is evenly mixed, continue to stir for 10 minutes; the thickness of the graphene oxide sheet is 2-5nm, which is single-layer, double...

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Abstract

The invention relates to a preparation method and application of a novel graphene foam rectifying tower filler. At a high temperature, through a solvothermal way, a graphene oxide solution is subjected to molding; a metal frame structure is embedded in a process; thus, one rectifying tower filler unit is formed; a porous structure of the rectifying tower filler unit can be used as a microreactor for catalytic rectification. A novel three-dimensional graphene filler is compared with HY-Pac and Pall ring fillers, and is used for filling a rectifying tower; a graphene filler maintains a regular filler property to a great extent; the mass transfer capacity is high; the graphene filler is large in liquid holdup, and can be used as a novel catalytic microreactor; the pressure drop of the graphene filler can be decreased to 1 / 3 of that of a conventional filler.

Description

technical field [0001] The invention belongs to the technical field of chemical separation, and in particular relates to a preparation method and application of a novel graphene foam rectifying tower packing. Background technique [0002] The chemical industry is a pillar industry of the national economy, and separation technology provides technical guarantees for raw material purification, product purification and waste treatment in the chemical production process. With the development of chemical engineering technology, separation technology is gradually developing towards diversification. Conventional chemical separation technologies include rectification, absorption, extraction, crystallization, adsorption, membrane separation, etc. Rectification is still one of the most widely used and mature separation methods, and occupies a considerable proportion in industrial production. [0003] Distillation is the most widely used key common technology in the chemical industry,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/30B01D3/14
CPCB01D3/009B01D3/14B01J19/30B01J2219/30491B01J2219/312B01J2219/318
Inventor 张志旭郑庚修曲良体张忠政于卫昆张敏魏成飞
Owner 山东金城石墨烯科技有限公司
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