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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 the problems of destroying production and living safety, affecting environmental sanitation, endangering human health, etc., so as to improve energy gas yield, reduce tar yield, energy The effect of increased utilization

Active Publication Date: 2021-04-02
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

Method used

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  • 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 preparation method of a carbon-aluminum composite material. Cheap aluminum smelting waste residues are used as an aluminum source, wood waste is used as a carbon source, a physical activation method and a chemical activation method are combined, in the pyrolysis process, the aluminum source and the carbon source form a co-melt, and a safe and green carbon-aluminum composite material is obtained. In the forming process of the carbon-aluminum composite material, the aromatic hydrocarbon polymerization degree in the carbon-aluminum composite material is increased, the physical and chemical microstructure of the carbon-aluminum composite material is improved, the adsorption performance of the cheap carbon-aluminum composite material is improved, and energy regeneration and reduction of wood waste and harmless and recycling utilization of aluminum smelting waste residues are achieved.

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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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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