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A kind of magnetic zeolite material and its preparation method and application

A magnetic zeolite and raw material technology, applied in chemical instruments and methods, radioactive purification, other chemical processes, etc., can solve the problems of poor treatment effect of radioactive elements, non-magnetic zeolite molecular sieve, etc.

Active Publication Date: 2021-11-23
新疆华宇新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the prepared zeolite molecular sieve is non-magnetic, and the treatment effect on radioactive elements is poor when treating wastewater.

Method used

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  • A kind of magnetic zeolite material and its preparation method and application

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Embodiment 1

[0031] The main crystal phase of the magnetic zeolite material in this embodiment is cancryptite, which is made by crystallization reaction in water with the following raw materials in mass percentage: 42% of Bayer process red mud, 47% of electrolytic manganese slag, 4% of titanium dioxide, hydrogen oxide Sodium 7%.

Embodiment 2

[0033] The structure of the magnetic zeolite material of this embodiment is the same as that of Embodiment 1, and it is made by crystallization reaction in water from the following raw materials in mass percentage: Bayer process red mud 44%, electrolytic manganese slag 48%, titanium dioxide 3%, sodium hydroxide 5%.

Embodiment 3

[0035] The structure of the magnetic zeolite material of this embodiment is the same as that of Embodiment 1, and it is made by crystallization reaction in water from the following raw materials in mass percentage: Bayer process red mud 43%, electrolytic manganese slag 49%, titanium dioxide 3%, sodium hydroxide 5%.

[0036] Two, the embodiment of the preparation method of magnetic zeolite material

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Abstract

The invention belongs to the technical field of inorganic porous materials, and in particular relates to a magnetic zeolite material and its preparation method and application. The magnetic zeolite material of the present invention is made by crystallization reaction of the following raw materials in water: Bayer process red mud 42-47%, electrolytic manganese slag 47-52%, titanium dioxide 3-5%, sodium hydroxide 3-8% %. The magnetic zeolite material of the present invention uses Bayer process red mud and electrolytic manganese slag as main raw materials, reduces production costs, provides a new method for the resource treatment of Bayer process red mud and electrolytic manganese slag, and can reduce the amount of Bayer process red mud and electrolytic manganese slag. The discharge pressure of mud and electrolytic manganese slag even achieves zero discharge. At the same time, the zeolite material of the present invention has magnetism, thereby effectively improving the adsorption capacity of radioactive elements when treating waste water.

Description

technical field [0001] The invention belongs to the technical field of inorganic porous materials, and in particular relates to a magnetic zeolite material and its preparation method and application. Background technique [0002] Zeolite molecular sieves are widely used in sewage treatment because of their large specific surface area and excellent adsorption, separation, and ion exchange capabilities to remove arsenic, nickel, copper, iron and manganese ions and other pollutants in sewage. Due to the limited amount of natural zeolite resources, artificially synthesized zeolite molecular sieves have become an important source of sewage treatment. The cost of synthetic zeolite molecular sieves based on pure industrial raw materials such as alkali, aluminum and sodium silicate is relatively high, so the synthesis of zeolite molecular sieves based on cheap mineral raw materials has become an important research direction. At the same time, some rare earth smelting factories and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B39/46B01J20/18B01J20/30G21F9/12
CPCB01J20/18C01B39/46C01P2002/72G21F9/12
Inventor 王维张威风孙开李玉芝刘海洋
Owner 新疆华宇新材料有限公司
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