Preparation method of porous carbon-based composite material

A composite material and porous carbon technology, which is applied in the preparation/purification of carbon, hybrid capacitor electrodes, electrical components, etc., can solve the problems of changing the diversity of soil microorganisms, complex preparation processes, and polluting the environment, and achieve excellent electrochemical performance. Simple process and excellent cycle performance

Active Publication Date: 2019-06-14
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] As a typical example of organic waste, antibiotic residues have an annual output of nearly 10 million tons, which not only takes up space for storage, but also pollutes the environment
Some researchers try to recycle bacteria residues in feed and chemical fertilizers. However, there are various safety hazards in practical applications. For example, it is easy to cause drug resistance when used in feed. After antibiotics enter the soil, a series of transformation processes such as adsorption, migration, and degradation will occur. These transformation processes

Method used

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  • Preparation method of porous carbon-based composite material
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  • Preparation method of porous carbon-based composite material

Examples

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Effect test

Embodiment 1

[0036] The invention provides a method for preparing a porous carbon-based composite material, comprising the following steps:

[0037] (1) After drying 6g of oxytetracycline bacteria residue at 120°C for 24 hours, mix and stir with 8ml of deionized water to make a suspension of bacteria residue;

[0038] (2) Weigh 1.45g potassium hydroxide and dissolve in 5ml deionized water, weigh 0.3g potassium permanganate and dissolve in 5ml deionized water;

[0039] (3) Mix the lye prepared in step (2) with the suspension of bacterial residue, stir for 2 hours, after the cleavage reaction ends, remove impurities by filtration to obtain the bacterial residue solution, then add potassium permanganate solution dropwise and stir at 90°C until Evaporate to dryness to be solid, obtain solidified mixture;

[0040] (4) Place the solidified mixture in a muffle furnace with a nitrogen atmosphere, heat it to 900°C at 5°C / min and keep it warm for 2h, wash and dry the product with an aqueous ethanol...

Embodiment 2

[0043] The invention provides a method for preparing a porous carbon-based composite material, comprising the following steps:

[0044] (1) After drying 6g of penicillin scum at 120°C for 14h, mix and stir with 8ml of deionized water to make a suspension of scum;

[0045] (2) Weigh 1.3g of sodium hydroxide and dissolve in 5ml of deionized water, weigh 0.5g of nickel nitrate and dissolve in 5ml of deionized water;

[0046] (3) Mix the sodium hydroxide solution prepared in step (2) with the bacteria residue suspension, stir for 5 hours, after the cleavage reaction ends, remove impurities by filtration to obtain the bacteria residue solution, then add nickel nitrate solution dropwise, and stir at 90°C Until it is evaporated to dryness and becomes a solid state, a solidified mixture is obtained;

[0047](4) Place the solidified mixture in a muffle furnace with a nitrogen atmosphere, heat it to 800°C at 5°C / min and keep it warm for 2h, wash and dry the product with methanol aqueou...

Embodiment 3

[0050] The invention provides a method for preparing a porous carbon-based composite material, comprising the following steps:

[0051] (1) After drying 6 g of erythromycin residue at 120° C. for 14 hours, mix and stir with 5 ml of deionized water to form a suspension of bacteria residue;

[0052] (2) Weigh 3g of potassium hydroxide and dissolve in 10ml of deionized water, weigh 0.3g of potassium permanganate and dissolve in 10ml of deionized water;

[0053] (3) Mix the potassium hydroxide solution prepared in step (2) with the bacterium residue suspension, stir for 3h, after the cleavage reaction ends, remove impurities by filtration to obtain the bacterium residue solution, then add potassium permanganate solution dropwise at 90°C Stir until evaporated to dryness to obtain a solidified mixture;

[0054] (4) Place the solidified mixture in a muffle furnace with a nitrogen atmosphere, heat it to 800°C at 5°C / min and keep it warm for 2h, wash and dry the product with methanol ...

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Abstract

The invention discloses a preparation method of a porous carbon-based composite material, and belongs to the field of waste recycling and regeneration. Waste mushroom dregs are recycled, the finally prepared product has excellent performances when used as an electrode material, and can realize industrial application, and activation and compounding are integrally carried out to prepare the uniformcomposite porous carbon-based electrode material with excellent electrochemical performances; an alkaline solution is adopted to activate and dissolve a mushroom dreg suspension into a homogeneous solution, an electrochemically active material or its precursor is added, a compounding process is carried out, and curing and heat treatment processes are carried out to finally construct the electrochemically-active porous carbon-based composite electrode material; and the preparation method has the advantages of realization of harmlessness and recycling hazardous wastes in the drug production process, simple process flow, and low cost, and the obtained composite material has the advantages of good conductivity, high capacity and excellent cycle performances when used as an electrode material for energy storage devices, and is suitable for large-scale production.

Description

technical field [0001] The invention belongs to the field of waste recycling and regeneration, and in particular relates to a preparation method of a porous carbon-based composite material. Background technique [0002] As a typical example of organic waste, antibiotic residues produce nearly 10 million tons per year in my country, which not only takes up storage space, but also pollutes the environment. Some researchers try to recycle bacteria residues in feed and chemical fertilizers. However, there are various safety hazards in practical applications. For example, it is easy to cause drug resistance when used in feed. After antibiotics enter the soil, a series of transformation processes such as adsorption, migration, and degradation will occur. These transformation processes will induce microorganisms to produce resistance genes and change the diversity of soil microorganisms. water into the surface water poses a great threat to ecosystems. Chinese patent CN 108500034A...

Claims

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Application Information

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IPC IPC(8): C01B32/05H01M4/36H01M4/583H01M10/0525H01M10/054H01G11/24H01G11/26
CPCY02E60/10
Inventor 唐晶晶杨娟蒋敏王倩王辉周向阳
Owner CENT SOUTH UNIV
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