Magnetic Prussian blue carbon nano composite material and manufacturing method and application thereof
A nano-carbon material, Prussian blue technology, applied in the fields of inorganic material magnetism, alkali metal compounds, chemical instruments and methods, etc., can solve the problems of shedding, low content of Prussian blue layer, uneven shape of magnetic composite materials, etc., and achieve good dispersion. high stability, good magnetic separation characteristics, simple and rapid method
Inactive Publication Date: 2015-05-20
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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Problems solved by technology
[0005] The object of the present invention solves the problem that existing magnetic composite material is inhomogeneous in shape, Prussian blue layer content is low, and is easy to fall off, and provides magnetic Prussian blue nano-carbon composite material and application
Method used
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specific Embodiment approach 1
[0032] Embodiment 1: The magnetic Prussian blue nano-carbon composite material of this embodiment is made of nano-carbon materials, magnetic inorganic nanoparticles and Prussian blue, wherein the mass percentage of carbon nano-materials is 1-5%. The mass percentage of the magnetic inorganic nanoparticles is 35-40%, and the mass percentage of the Prussian blue is 55-60%.
specific Embodiment approach 2
[0033] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the mass percentage of carbon nanomaterials is 1.6%, the mass percentage of magnetic inorganic nanoparticles is 39.0%, and the mass percentage of Prussian blue is 59.4%. Others are the same as in the first embodiment.
specific Embodiment approach 3
[0034] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the nano-carbon material is graphene oxide or carbon nanotubes. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.
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Abstract
The invention relates to a magnetic Prussian blue carbon nano composite material and a manufacturing method and application thereof, and aims to solve the problems that the conventional magnetic composite material is nonuniform in shape, low in the content of Prussian blue layers, and susceptible to falling off. The manufacturing method comprises the following steps: firstly, magnetic inorganic nano particles are anchored on the surface of a carbon nano material (oxidized graphene / carbon nano tube) with high specific surface area; then, Prussian blue nano crystal layers are grown on the surfaces of the magnetic inorganic nano particles in situ; finally, the composite material is encapsulated into calcium alginate microspheres. The prepared composite material is used for the restoration of caesium ion pollution environments such as water bodies, soil and atmosphere, and has a broad application prospect in the field of nuclear pollution environment restoration. The manufacturing method is simple, uses available raw material, and is suitable for large-scale production.
Description
technical field [0001] The invention relates to a magnetic Prussian blue nano-carbon composite material and its application. Background technique [0002] 1. With the development of the world economy, environmental pollution has become a major threat to human existence, especially nuclear pollution caused by nuclear leakage caused by nuclear power accidents. As we all know, even if the concentration of radioactive elements polluted by nuclear pollution is very low, it will significantly affect human health, causing radiation injuries inside and outside the human body, symptoms of radiation sickness, and even carcinogenesis and teratogenicity. And the half-life of most radioactive elements will be decades, hundreds or even tens of thousands of years, so once a nuclear leak occurs, the harm will be lasting. For nuclear pollution control, general pollution treatment methods are still used, such as: 1. Engineering measures, that is, heavy pollution replacement; 2. Electrochemic...
Claims
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IPC IPC(8): B01J20/20B01J20/28B01J20/30H01F1/01
Inventor 于洪文杨红军
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S