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A kind of preparation method of composite carbon material

A composite carbon and carbonization technology, which is applied in the preparation of composite carbon materials and the preparation of carbon functional materials combined with zeolite, can solve the problems of single function of carbon materials, difficulty in combination, and low added value, so as to improve carbonization efficiency and increase thermal efficiency. value, saving effect

Inactive Publication Date: 2019-10-01
北京联绿生态环境有限公司
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Problems solved by technology

[0010] However, in the above-mentioned documents and other prior art, the carbon materials produced have single functions and low added value.
In addition, clinoptilolite is the most abundant zeolite mineral. However, due to its acidity and defects in pore structure, it is greatly limited in the application of catalyst supports and is mostly used as a filter material.
Furthermore, in the existing composite method of zeolite and activated carbon, the composite effect is poor, and it is difficult to realize the real combination of the two.

Method used

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

Examples

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Effect test

Embodiment 1

[0037] Take cotton stalks from Nanle, Henan, remove the leaves and husks of the stalks, smash them, and mix them with natural clinoptilolite (from Zhejiang Shenshi Mining Co., Ltd.) to prepare carbonized raw materials. The quality of the straw and clinoptilolite is The ratio is 6:1. Soak the carbonized raw material in a 0.3mol / L nitric acid solution at 50℃ for 2h, filter the carbonized raw material after soaking, filter out the nitric acid solution, and then place it in a carbonization container with a temperature of 400℃. Heated for 6h, then cooled to room temperature, washed thoroughly with 0.05mol / L aqueous solution of 2,3-dihydroxypropyl bishydroxyethyl stearyl ammonium chloride, then washed with distilled water to neutrality, and dried , That is, composite carbon material.

Embodiment 2

[0039] The hydrogenation catalyst was prepared using the composite carbon material of Example 1. The upgrading catalyst used was Ni-Cu / composite carbon material, where the molar ratio of Ni to Cu was 1:1, based on the total weight of the catalyst, the catalytically active group of Ni-Cu The content of hydrogenation is 5%, the hydrogenation raw material is bio-oil from kitchen waste (obtained from Guangzhou Fufei Chemical Co., Ltd.), and the hydrogenation upgrading conditions are 250°C, 8.0MPa hydrogen pressure, 2h. After testing, the oxygen content of the hydro-upgraded bio-oil was 6.2wt.%, and the catalyst life was about 860h.

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Abstract

The invention provides a preparation method of a composite carbon material. The preparation method comprises the following steps: uniformly mixing clinoptilolite with smashed straw, then soaking in a nitric acid solution, and then carrying out water vapor carbonizing treatment, thus obtaining the composite carbon material. The composite carbon material has the advantages of both activated carbon and the clinoptilolite, and can be favorably used as a catalyst carrier.

Description

Technical field [0001] The invention belongs to the technical field of carbon functional materials, and specifically relates to a method for preparing a composite carbon material, and more particularly to a method for preparing a carbon functional material combined with zeolite. Background technique [0002] Clinoptilolite is one of the zeolite minerals and also the most abundant one. Clinoptilolite is a water-containing alkali metal aluminosilicate. After dehydration, it has the function of molecular sieve, which can selectively extract nitrogen from the air and enrich oxygen. Clinoptilolite can also be used as an ion exchanger. It is also a filler, expansion agent and adsorbent in the paper industry. [0003] Activated carbon is a porous carbon-containing material. It has a highly developed pore structure and a high specific surface area. It is an excellent adsorbent and catalyst carrier. The adsorption effect is achieved through physical and chemical adsorption. Due to the ir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/02B01J21/18
CPCB01J21/18C10B53/02Y02E50/10
Inventor 朱明刘涵吉峰
Owner 北京联绿生态环境有限公司
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