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Method for preparing vermiculite carbon nanotube composite material by vertical microwave reactor

A technology of microwave reactors and carbon nanotubes, applied in chemical instruments and methods, carbon compounds, silicon compounds, etc., can solve problems such as low efficiency, high energy consumption, and many pollutants, and achieve rapid heating and low energy loss , the effect of uniform gas distribution

Active Publication Date: 2018-11-20
TARIM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the present invention provides a method for preparing vermiculite carbon nanotube composite materials in a vertical microwave reactor, which solves the problem of high energy consumption, low efficiency and many pollutants produced in the preparation process in the traditional heating method in the prior art. question

Method used

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  • Method for preparing vermiculite carbon nanotube composite material by vertical microwave reactor
  • Method for preparing vermiculite carbon nanotube composite material by vertical microwave reactor
  • Method for preparing vermiculite carbon nanotube composite material by vertical microwave reactor

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Effect test

Embodiment 1

[0033] like figure 1 As shown, the process of preparing the vermiculite carbon nanotube composite material in the vertical microwave reactor specifically includes:

[0034] 1) Add 1g of raw ore vermiculite into a vertical microwave reactor, vacuumize it, and expand it with microwave heating at 800W to obtain expanded vermiculite;

[0035] 2) After step 1) is completed, lower the temperature, pass inert gas tangentially to replace the air in the vertical microwave reactor, and microwave to heat to 600°C;

[0036] 3) Keep the temperature at 600°C and continue microwave heating, heat and vaporize 0.5g of ferrocene, heat and vaporize 25ml of pyridine, and put them into the vertical spherical tube in a spiral manner, one-step catalytic reaction for 10 minutes to obtain the vermiculite carbon nanotube composite material .

[0037] The volume of the raw vermiculite heated by microwave will expand by 15 times, and the length of expanded vermiculite can be increased by about 25 times...

Embodiment 2

[0039] like figure 1As shown, the process of preparing the vermiculite carbon nanotube composite material in the vertical microwave reactor specifically includes:

[0040] 1) Add 1.5g of raw ore vermiculite into a vertical microwave reactor, vacuumize, and expand by microwave heating at 800W to obtain expanded vermiculite;

[0041] 2) After step 1) is completed, lower the temperature, pass inert gas tangentially to replace the air in the vertical microwave reactor, and microwave to heat to 900°C;

[0042] 3) Keep the temperature at 900°C and continue microwave heating. Heat and vaporize 0.75g of cobalt dicene and 30ml of benzene. After mixing, it is spirally passed into the vertical spherical tube, and the one-step catalytic reaction is 120min to obtain the vermiculite carbon nanotube composite. Material.

[0043] The volume of the raw vermiculite heated by microwave will expand by 16 times, and the length of expanded vermiculite can be increased by about 25 times by interca...

Embodiment 3

[0045] like figure 1 As shown, the process of preparing the vermiculite carbon nanotube composite material in the vertical microwave reactor specifically includes:

[0046] 1) Add 3g of raw ore vermiculite into a vertical microwave reactor, vacuumize, and expand by microwave heating at 800W to obtain expanded vermiculite;

[0047] 2) After step 1) is completed, lower the temperature, pass inert gas tangentially to replace the air in the vertical microwave reactor, and microwave to heat to 700°C;

[0048] 3) Keep the temperature at 700°C and continue microwave heating, heat and vaporize 1.5g of ferrocene, heat and vaporize 30ml of trimethylbenzene, mix and spirally pass it into a vertical spherical tube, one-step catalytic reaction for 20min to obtain vermiculite carbon nano Tube composites.

[0049] The volume of the raw vermiculite heated by microwave will expand by 15 times, and the length of expanded vermiculite can be increased by about 25 times by intercalating such as ...

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Abstract

The invention discloses a method for preparing a vermiculite carbon nanotube composite material by a vertical microwave reactor. The method comprises the following steps: adding expanded vermiculite into the vertical microwave reactor, tangentially introducing inert gases as carrier gases, performing microwave heating, introducing reaction gas and a catalyst into the vertical microwave reactor after reaching the reaction temperature, and carrying out a catalytic reaction, thereby obtaining the vermiculite carbon nanotube composite material. According to the method disclosed by the invention, by virtue of microwave heating, the heating rate is rapid and effective. Meanwhile, due to the vertical microwave reactor, the gases are discharged, and gas suck-back is avoided. The prepared vermiculite carbon nanotube composite material is high in purity, uniform in morphology and excellent in monodispersity, and has large specific surface area, and the synthetic method is simple, effective and uniform in gas distribution, the energy consumption is low, the equipment is simple, the production efficiency is improved, the amount of pollutants is small, and the method has high economic value.

Description

technical field [0001] The invention relates to the preparation of a vermiculite carbon nanotube composite material, in particular to a method for preparing a vermiculite carbon nanotube composite material with a vertical microwave reactor. Background technique [0002] Tube furnaces are mainly used in metallurgy, glass, heat treatment, lithium battery positive and negative materials, new energy, abrasive tools and other industries, and are professional equipment for measuring materials under certain temperature conditions. The furnace structure is simple, easy to operate, easy to control, and capable of continuous production, but the temperature rises slowly, the reaction cycle is long, and the reaction process is not easy to control. It needs to be improved to increase efficiency. [0003] CNTs (carbon nanotubes) are considered to be the most versatile nanofunctional materials. In various fields, as an important platform material, CNTs have attracted the attention of many...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/38C01B32/162
CPCC01B32/162C01B33/38C01P2006/80C01P2006/12C01P2004/01
Inventor 田维亮葛振红陈俊毅吕喜风卢亚玲曾红
Owner TARIM UNIV
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