Iron carbon composite material with novel structure, and preparation method thereof

A composite material and new structure technology, applied in the direction of carbon compounds, chemical instruments and methods, and other chemical processes, can solve the problems of increasing the specific surface area of ​​activated carbon and achieve the effect of improving performance

Inactive Publication Date: 2019-09-03
东北大学秦皇岛分校
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

What is currently lacking is the practical application of increasing the specific surface area of ​​activated carbon while also satisfying the design of activated carbon mesoporous structure to optimize the pores of activated carbon.

Method used

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  • Iron carbon composite material with novel structure, and preparation method thereof
  • Iron carbon composite material with novel structure, and preparation method thereof
  • Iron carbon composite material with novel structure, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A preparation method of a novel iron-carbon composite material (GAC-GAC-nZVI), comprising the following steps:

[0040] S1. Preparation of micron-scale activated carbon microspheres: prepare activated carbon microspheres by suspension polymerization; specifically include the following steps:

[0041] S1.1. Dissolve the mixture of phenol and formaldehyde with a molar ratio of 1:2 in 300ml of water, then mix 10g of triethylamine and 1.7g of gum arabic powder;

[0042] S1.2, then the whole system at 95 0 React at a temperature of C for 5 hours, collect the phenolic resin microspheres from the reaction solution by suction filtration, and wash repeatedly with water and ethanol, and finally 0 C dry;

[0043] S1.3. Put the phenolic resin microspheres into a high-temperature atmosphere furnace with a crucible. pass at 800 0 C carbonization in a nitrogen atmosphere for 1 hour to collect carbon microspheres and cooled to room temperature, the heating rate was 3 0 C / min, put ...

Embodiment 2

[0049] A preparation method of a novel iron-carbon composite material (GAC-GAC-nZVI), comprising the following steps:

[0050] S1. Preparation of micron-scale activated carbon microspheres: prepare activated carbon microspheres by suspension polymerization; specifically include the following steps:

[0051] S1.1. Dissolve the mixture of phenol and formaldehyde with a molar ratio of 1:2.5 in 300ml of water, then mix 10g of triethylamine and 1.7g of gum arabic powder;

[0052] S1.2, then the whole system in 96 0 React at a temperature of C for 5 hours, collect the phenolic resin microspheres from the reaction solution by suction filtration, and wash repeatedly with water and ethanol, and finally 0 C dry;

[0053] S1.3. Put the phenolic resin microspheres into a high-temperature atmosphere furnace with a crucible. pass at 800 0 C carbonization in a nitrogen atmosphere for 2 hours to collect carbon microspheres and cooled to room temperature, the heating rate was 3 0 C / min, p...

Embodiment 3

[0059] A preparation method of a novel iron-carbon composite material (GAC-GAC-nZVI), comprising the following steps:

[0060] S1. Preparation of micron-scale activated carbon microspheres: prepare activated carbon microspheres by suspension polymerization; specifically include the following steps:

[0061] S1.1. Dissolve the mixture of phenol and formaldehyde with a molar ratio of 1:2 in 300ml of water, then mix 10g of triethylamine and 1.7g of gum arabic powder;

[0062] S1.2, then the whole system in 97 0 The reaction was carried out at a temperature of C for 5 hours, and the phenolic resin microspheres were collected from the reaction liquid by suction filtration, and washed repeatedly with water and ethanol. Finally at 60 0 C dry;

[0063] S1.3. Put the phenolic resin microspheres into a high-temperature atmosphere furnace with a crucible. pass at 800 0 C carbonization in a nitrogen atmosphere for 2 hours to collect carbon microspheres and cooled to room temperature,...

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Abstract

The invention discloses an iron carbon composite material with a novel structure, and a preparation method thereof. According to the preparation method, micrometer grade carbon microsphere (GAC) is taken as a composite material carrier, based on Kirkendall effect, under air combustion driving force, dispersion of nanometer grade zero-valent iron onto carbon microsphere surfaces is promoted, wherein the carbon microspheres are prepared through suspension polymerization method, prepared of GAC-GAC-nZVI is realized through reduction of ferrous sulphate with a reducing agent and cladding of phenolic resin-carbonization-air combustion based on Kirkendall effect. The GAC-GAC-nZVI preparation method is capable of realizing optimization on active carbon pore structure, ensuring uniform dispersionof nanometer grade zero-valent ion, and GAC-GAC-nZVI adsorption degradation performance is improved greatly.

Description

technical field [0001] The invention relates to the field of iron-carbon materials, in particular to an iron-carbon composite material with a novel structure and a preparation method thereof. Background technique [0002] Carbon materials, including carbon nanotubes, graphene, and nanoporous carbon, possess exceptional surface areas, high porosity, and controllable nanostructures. These unique features have been widely used in many practical applications. These interesting structural features make them useful in various applications, including adsorption media, chromatographic separation systems, catalyst-supported nanoreactors and battery electrodes, and supercapacitors. [0003] The use of carbon materials as catalyst supports is one of the most important fields of practical application of carbon materials, including catalytic wet treatment of wastewater and catalytic wet polluted soil. There have been many research and practical application reports. However, in the prep...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/745B01J20/20B01J20/30C01B32/30
CPCB01J20/0225B01J20/20B01J23/745C01B32/30Y02C20/40
Inventor 王海旺李金龙晁力蒋璐虹冀成车玲商正孟凡胜魏新芳付守军
Owner 东北大学秦皇岛分校
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