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A kind of preparation method of carbon-aluminum composite material

An aluminum composite material and waste technology, which is applied in the field of carbon-aluminum composite material preparation, can solve problems such as destroying production and living safety, destroying social harmony, affecting environmental sanitation, etc., so as to improve the yield of energy gas, realize energy utilization, and reduce tar. The effect of yield

Active Publication Date: 2021-09-17
CHANGZHOU UNIV
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Problems solved by technology

[0002] In addition to alumina, aluminum smelting waste slag in industrial production is also rich in active elements such as calcium, aluminum, potassium, sodium, silicon, etc. The composition is complex and diverse, and it is polluting, resourceful, and social. If it is not handled properly, it will pollute the environment, affect environmental sanitation, waste resources, destroy production and living safety, and disrupt social harmony.
[0003] In the prior art, aluminum smelting slag is generally disposed of directly by landfill, which requires a large amount of land. At the same time, it contains heavy metals and other polluting components, which have a certain degree of alkalinity. , Soil forms secondary pollution, and seriously endangers human health

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  • A kind of preparation method of carbon-aluminum composite material

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[0024] The implementation of the technical solution will be further described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0025] Such as figure 1 One example shown is:

[0026] Step (1): Carry out organic acid-heat activation treatment on aluminum smelting waste residue; take equal volume of aluminum smelting waste slag and organic acid with a volume fraction of 5%, mix, stir evenly, place in a high-pressure reactor, and add a certain amount of The mass ratio of ionized water, deionized water and aluminum smelting waste slag is 3:1. After reacting at 200-300°C for 30-45 minutes, the acid activation products are cooled and dehydrated in turn; then put into the muffle furnace at 550°C Roast for 1-2 hours, carry out thermal activation treatment, after thermal activation treatment, co...

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Abstract

The invention discloses a method for preparing a carbon-aluminum composite material. The cheap aluminum smelting waste residue is used as the aluminum source, and the woody waste is used as the carbon source. Combining the method of physical activation and chemical activation, during the pyrolysis process, the aluminum source and carbon source to form a co-melt to obtain a safe and green carbon-aluminum composite material. During the formation of the carbon-aluminum composite material, the degree of aromatic hydrocarbon polymerization in the carbon-aluminum composite material is improved, the physical and chemical microstructure of the carbon-aluminum composite material is improved, and the carbon-aluminum composite material is improved. The adsorption performance of cheap carbon-aluminum composite materials can realize the energy conversion and reduction of wood waste and the harmless and resource utilization of aluminum smelting waste residue.

Description

technical field [0001] The invention discloses a method for preparing a carbon-aluminum composite material, and relates to the technical field of solid waste treatment and material utilization. Background technique [0002] In addition to alumina, aluminum smelting waste slag in industrial production is also rich in active elements such as calcium, aluminum, potassium, sodium, silicon, etc. The composition is complex and diverse, and it is polluting, resourceful, and social. If it is not handled properly, it will pollute the environment, affect environmental sanitation, waste resources, destroy production and living safety, and disrupt social harmony. [0003] In the prior art, aluminum smelting slag is generally disposed of directly by landfill, which requires a large amount of land. At the same time, it contains heavy metals and other polluting components, which have a certain degree of alkalinity. , Soil forms secondary pollution, and seriously endangers human health. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/20B01J20/30C02F1/28C10J3/72C02F101/22C02F101/30C02F101/34C02F101/38
CPCB01J20/20C02F1/281C02F1/283C02F2101/22C02F2101/308C02F2101/34C02F2101/38C02F2101/40C10J3/72
Inventor 刘鹏郎盼盼刘莉周政忠袁浩然呼和涛力郑涛
Owner CHANGZHOU UNIV
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