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Preparation method and application of cobalt-based metal organic framework derived magnetic carbon composite material

A technology of organic framework and composite materials, which is applied in the fields of alkali metal compounds, chemical instruments and methods, alkali metal oxides/hydroxides, etc., and can solve the problems of high production cost of carbon nanotubes, unsatisfactory adsorption effect, and difficult regeneration of activated carbon, etc. problem, to achieve the effect of sufficient source of raw materials, good desorption capacity and recycling capacity, and low production cost

Active Publication Date: 2021-12-14
GUANGDONG MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are a variety of materials that can be used as adsorbents, such as activated carbon, carbon nanotubes, ion exchange resins, metal oxides, etc., but the production cost of carbon nanotubes is high, and it is difficult to apply on a large scale; activated carbon is difficult to regenerate and reuse; metal oxides The specific surface area of ​​materials such as ion exchange resin and ion exchange resin is small, and the adsorption effect is not ideal

Method used

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  • Preparation method and application of cobalt-based metal organic framework derived magnetic carbon composite material
  • Preparation method and application of cobalt-based metal organic framework derived magnetic carbon composite material
  • Preparation method and application of cobalt-based metal organic framework derived magnetic carbon composite material

Examples

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Embodiment 1

[0048] Preparation of cobalt-based metal-organic framework-derived magnetic carbon composite material Co@C-700-2

[0049] 1) Dissolve 0.1mmol methylpyrogallol calix[4]arene and 0.3mmol cobalt nitrate hexahydrate in 12mL acetonitrile aqueous solution (the volume ratio of acetonitrile and water is 5:1), and then add 30 μL triethyl ether dropwise Amine, shake evenly to obtain mixed solution A, place the scintillation vial containing mixed solution A in an oven at 80°C for 24 hours, cool naturally to room temperature, filter, wash with acetonitrile and dry to obtain cobalt-based metal organic Skeleton compound Co-MONCs;

[0050] 2) Put the crucible containing cobalt-based metal-organic framework compound Co-MONCs into a tube furnace for calcination at a calcination temperature of 700 °C for 2 h, wherein the tube furnace maintained a heating rate of 5 °C / min, nitrogen gas was introduced during the working process of the tube furnace, and the rate of nitrogen gas feeding was kept ...

Embodiment 2

[0052] Preparation of cobalt-based metal-organic framework-derived magnetic carbon composite material Co@C-800-2

[0053] 1) Dissolve 0.1mmol methylpyrogallol calix[4]arene and 0.3mmol cobalt nitrate hexahydrate in 12mL acetonitrile aqueous solution (the volume ratio of acetonitrile and water is 5:1), and then add 30 μL triethyl ether dropwise Amine, shake evenly to obtain mixed solution A, place the scintillation vial containing mixed solution A in an oven at 80°C for 24 hours, cool naturally to room temperature, filter, wash with acetonitrile and dry to obtain cobalt-based metal organic Skeleton compound Co-MONCs;

[0054] 2) Put the crucible containing the cobalt-based metal-organic framework compound Co-MONCs into a tube furnace for calcination at a calcination temperature of 800 °C for 2 h, wherein the tube furnace maintained a heating rate of 5 °C / min, nitrogen gas was introduced during the working process of the tube furnace, and the rate of nitrogen gas feeding was k...

Embodiment 3

[0056] Preparation of cobalt-based metal-organic framework-derived magnetic carbon composite material Co@C-900-2

[0057] 1) Dissolve 0.1mmol methylpyrogallol calix[4]arene and 0.3mmol cobalt nitrate hexahydrate in 12mL acetonitrile aqueous solution (the volume ratio of acetonitrile and water is 5:1), and then add 30 μL triethyl ether dropwise Amine, shake evenly to obtain mixed solution A, place the scintillation vial containing mixed solution A in an oven at 80°C for 24 hours, cool naturally to room temperature, filter, wash with acetonitrile and dry to obtain cobalt-based metal organic Skeleton compound Co-MONCs;

[0058] 2) Put the crucible containing the cobalt-based metal-organic framework compound Co-MONCs into a tube furnace for calcination at a calcination temperature of 900 °C for 2 h, wherein the tube furnace maintained a heating rate of 5 °C / min, nitrogen gas was introduced during the working process of the tube furnace, and the rate of nitrogen gas feeding was k...

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Abstract

The invention discloses a preparation method and application of a cobalt-based metal organic framework derived magnetic carbon composite material. The preparation method comprises the following steps: 1) preparing a cobalt-based metal organic framework compound Co-MONCs; and 2) performing high-temperature carbonization on the cobalt-based metal organic framework compound Co-MONCs to generate a cobalt-based metal organic framework derived magnetic carbon composite material; wherein the cobalt-based metal organic framework derived magnetic carbon composite material prepared by the preparation method is used as a drug pollutant adsorbent for adsorbing chlorpromazine hydrochloride in a water body. The preparation method disclosed by the invention is simple, sufficient in raw material source, low in production cost, suitable for expanded production requirements and convenient for industrial production; and the cobalt-based metal organic framework derived magnetic carbon composite material prepared by the preparation method has very good adsorption capacity on chlorpromazine hydrochloride, has good desorption capacity and cyclic utilization capacity, also has magnetism, can be quickly recovered through a magnet, and is convenient to recover.

Description

technical field [0001] The invention relates to the technical field of drug pollutant adsorbents, in particular to a preparation method and application of a cobalt-based metal-organic framework-derived magnetic carbon composite material. Background technique [0002] With the advancement of society and the development of the pharmaceutical industry, in recent decades, more and more water systems have detected residues of various drugs, drug metabolites and pharmaceutical excipients. Drugs mainly include antibiotics, hormones, anti-inflammatory drugs and other drugs, while pharmaceutical excipients mainly include solubilizers, co-solvents, emulsifiers, colorants, adhesives, etc. These drugs, drug metabolites and pharmaceutical excipients have complex structures and diverse components, and they degrade slowly under natural conditions. At the same time, with the continuous production and use of people, more and more drugs, drug metabolites and pharmaceutical excipients are dis...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/28B01J20/30C02F1/28C02F103/34
CPCB01J20/20B01J20/28009B01J20/3085B01J20/3071B01J20/3078C02F1/283C02F2103/343C02F2303/16Y02W10/37
Inventor 潘莹刘建强鲁澄宇李小叁饶聪颖廖栋辉张文凤彭新生
Owner GUANGDONG MEDICAL UNIV
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