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Preparation method of magnetic nickel/carbon nanometer composite material and application thereof

A composite material, carbon nanotechnology, applied in chemical instruments and methods, alkali metal compounds, water/sewage treatment, etc., can solve the problems of difficult adjustment of metal nickel loading, unfavorable for large-scale industrial production, etc., and achieve high saturation magnetization. The effect of strength, low cost and simple preparation method

Inactive Publication Date: 2017-07-25
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among the above methods, the preparation of metal-organic framework precursors mainly adopts hydrothermal or solvothermal methods, which are not conducive to large-scale industrial production.
Moreover, the magnetic nickel / carbon material prepared with a single nickel-based metal-organic framework material as a precursor has the disadvantage that the loading amount of metallic nickel is difficult to adjust

Method used

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  • Preparation method of magnetic nickel/carbon nanometer composite material and application thereof
  • Preparation method of magnetic nickel/carbon nanometer composite material and application thereof
  • Preparation method of magnetic nickel/carbon nanometer composite material and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0029] A preparation method of magnetic nickel / carbon nanocomposite material, specifically comprising the following steps:

[0030] (1) Dissolve 0.414g 1,3,5-benzenetricarboxylic acid and 0.24g NaOH in 25mL water to make a solution, dissolve 0.071g nickel chloride hexahydrate and 0.495g zinc acetate in 25mL water and 50mL ethanol to make a solution solution, and then these two solutions were mixed and stirred at room temperature for 1 hour at a stirring speed of 500r / min, then centrifugally washed at a speed of 8000r / min, then put into an oven, and dried at 70°C for 5 hours to obtain nickel / zinc metal-organic framework precursors;

[0031] (2) Put the precursor obtained in step (1) into a quartz boat, use nitrogen as a protective gas in a tube furnace, heat up to 910°C at a heating rate of 5°C / min, keep it for 2 hours and start to cool down, After cooling to room temperature, the black magnetic nickel / carbon nanocomposite material was obtained.

[0032] figure 1 The X-ray p...

Embodiment 2

[0036] The specific experimental procedure of the present embodiment is the same as that of Example 1, changing 0.071g of nickel chloride hexahydrate into 0.075g of nickel acetate tetrahydrate, and changing 0.495g of zinc acetate into 0.369g of zinc chloride.

Embodiment 3

[0038] The specific experimental procedure of the present embodiment is the same as in Example 1, changing 0.071g nickel chloride hexahydrate to 0.069g nickel nitrate hexahydrate, and changing 0.495g zinc acetate to 0.435g zinc sulfate.

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Abstract

The invention provides a preparation method of a magnetic nickel / carbon nanometer composite material and application thereof. The preparation method comprises the following steps of (1) preparation of a metal organic framework precursor: dissolving 1,3,5-benzene tricarboxylic acid into an alkaline water solution, adding an alcohol and water mixed solution of soluble metal salt, mixing and stirring at normal temperature, centrifuging, washing and drying, so as to obtain the metal organic framework precursor; (2) preparation of a magnetic carbon composite material: calcining the precursor obtained in step (1) under the inertia gas atmosphere, and cooling, so as to obtain the magnetic carbon nanometer composite material. The preparation method of the magnetic nickel / carbon nanometer composite material has the advantages that the method is simple, and the cost is low; the solvent heat synthesizing in the reaction kettle in the preparation process of the precursor of the magnetic nickel / carbon nanometer composite material is not needed, and the potential of batch production is realized.

Description

technical field [0001] The invention relates to a preparation method and application of a magnetic nickel / carbon nanocomposite material, in particular to a method for preparing a magnetic nickel / carbon nanocomposite material with a metal organic framework material as a precursor. Background technique [0002] Magnetic nickel / carbon nanocomposites are magnetic, and can be easily separated from other substances with a magnetic field, and are easy to recycle. At present, magnetic nickel / carbon nanocomposites have been widely studied as catalysts or adsorbents for the removal of organic matter and heavy metal ions from polluted water. [0003] Metal-organic frameworks generally refer to inorganic-organic hybrid porous materials with periodic network structures formed by the self-assembly of metal ions and organic ligands through coordination bonds. The magnetic nickel / carbon nanocomposite material can be obtained by calcining in an inert gas with the nickel-based metal organic ...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/30B01J20/28B01J23/755C02F1/28C02F1/70C02F101/38C02F101/34C02F101/30
CPCB01J20/02B01J20/20C02F1/281C02F1/283C02F1/70B01J20/28009B01J23/755C02F2101/38C02F2101/345C02F2101/308B01J35/33
Inventor 靳黎娜钱昕晔赵小霜董明东
Owner JIANGSU UNIV
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