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Magnetic carbon-based humus composite material and preparation method thereof

A technology of composite materials and carbon-based materials, applied in the field of materials, can solve problems such as constraints, high costs, and poor effects, and achieve easy-to-obtain, high-load, economical and simple effects

Active Publication Date: 2020-09-08
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

What is disclosed in this document is based on natural humic acid as the raw material, the cost is high, and the effect of loading humic acid on the nano ferric oxide is poor, which restricts the possibility of its practical application in the environment

Method used

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  • Magnetic carbon-based humus composite material and preparation method thereof
  • Magnetic carbon-based humus composite material and preparation method thereof
  • Magnetic carbon-based humus composite material and preparation method thereof

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Experimental program
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Effect test

no. 1 approach

[0058] The first embodiment of the present invention first provides a magnetic carbon-based humus composite material, which includes: magnetic carbon, the magnetic carbon is a carbon-based material containing magnetic substances; the magnetic carbon has a microporous structure; and humus , the humus is loaded on the surface and / or inside of the magnetic carbon.

[0059] The magnetic carbon-based humus composite material of the invention has magnetism, and the magnetic substance in the magnetic carbon can be well fused with the carbon-based material. The magnetic carbon-based humus composite material of the present invention contains, for example, artificially synthesized humus, so it has excellent adsorption performance, and can effectively solve the non-separable and easy-to-disperse characteristics of humus used in the environment. For example, the magnetic carbon-based humus composites of the invention can be brought together using a magnet. That is: the magnetic carbon-ba...

no. 2 approach

[0080]The second embodiment of the present invention provides a method for preparing the magnetic carbon-based humus composite material of the first embodiment, which includes the step of compounding magnetic carbon and humus; wherein

[0081] The magnetic carbon is a carbon-based material containing magnetic substances; the magnetic carbon has a microporous structure;

[0082] The humus is loaded on the surface and / or inside of the magnetic carbon.

[0083]

[0084] In the present invention, the preparation method of described magnetic carbon comprises the following steps:

[0085] dissolving the magnetic precursor in a solvent;

[0086] Mix the magnetic precursor dissolved in the solvent with the carbon-based material, and obtain a mixed product after standing;

[0087] The mixed product is thermally activated to obtain magnetic carbon.

[0088] magnetic precursor

[0089] The magnetic precursors of the present invention can all be the magnetic precursors provided in...

no. 3 approach

[0125] The third embodiment of the present invention provides an environmental restoration agent, which includes the magnetic carbon-based humus composite material described in the first embodiment of the present invention or the magnetic carbon-based humus composite material prepared by the preparation method described in the second embodiment Material.

[0126] The environmental remediation agent of the present invention can be applied in any feasible fields such as the adsorption of pollutants in water bodies and the adsorption of polluted gases in industrial waste gas.

[0127] The environmental remediation agent may also include other various known environmental remediation agents, such as other biochars and the like. In a preferred embodiment of the present invention, the environmental remediation agent includes at least 60% by mass of the magnetic carbon-based humus composite material of the present invention, preferably 80% by mass or more, more preferably 90% by mass or...

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Abstract

The invention relates to a magnetic carbon based humus composite material supported with humus and a preparation method thereof. The magnetic carbon based humus composite material contains magnetic carbon and humus, wherein the magnetic carbon is a carbon based material containing magnetic matters; the magnetic carbon has a microporous structure; and the humus is supported on the surface and / or inside of the magnetic carbon. The magnetic carbon in the magnetic carbon based humus composite material has a large specific surface area, the distribution of the specific surface area is optimized, the humus can be supported in situ, and the supported capacity of the humus is high. According to the magnetic carbon based humus composite material, the adsorption of a variety of environmental pollutants can be realized, more excellent adsorption performance can be displayed, and the ability to repair the environment is improved.

Description

technical field [0001] The invention relates to a magnetic carbon-based humus composite material loaded with humus, a preparation method thereof, and an environmental restoration agent comprising the magnetic carbon-based humus composite material, belonging to the field of materials. Background technique [0002] Humus, a natural macromolecule, exists in large quantities in nature. Because it has a large number of active functional groups (hydroxyl, carboxyl, ketone, etc.), it has good application value as an environmental restoration agent. At present, commercial humus is mainly obtained from non-renewable primary energy sources such as lignite, which is not only expensive to obtain, but also pollutes the environment to a certain extent during the extraction process. At the same time, humus has a high affinity and dispersibility in the environment, and it is difficult to be practically applied in the environment alone. Therefore, broadening the source of humus and developi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/24B01J20/20B01J20/28B01J20/30C02F1/28
CPCB01J20/20B01J20/24B01J20/28009B01J20/30B01J20/3021B01J20/3071B01J20/3078B01J20/3085C02F1/288
Inventor 岳东北邹建美
Owner TSINGHUA UNIV
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