Fast preparation method of ferrous microporous composite molecular sieves

A composite molecular sieve and molecular sieve technology, applied in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as backward solutions and products, products that fail to meet design requirements, and achieve accurate and accurate data and advanced technology. quick effect

Inactive Publication Date: 2014-01-15
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The preparation of microporous composite molecular sieves is still in the research stage, and there are still many academic problems, and its products do not meet the design requirements, such as CN102107144A patent, CN102039159A patent, CN102259019A patent, all carry out the preparation of catalysts, but their schemes and products are not relatively backward

Method used

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  • Fast preparation method of ferrous microporous composite molecular sieves
  • Fast preparation method of ferrous microporous composite molecular sieves
  • Fast preparation method of ferrous microporous composite molecular sieves

Examples

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preparation example Construction

[0088] The preparation of single molecular sieve is carried out in the reactor, which is completed in the process of heating, sealing and static crystallization in the heating furnace;

[0089] The heating furnace 1 is rectangular, and the first reaction kettle 7 is placed in the heating furnace 1, and the polytetrafluoroethylene container 8 is placed in the first reaction kettle 7, and the polytetrafluoroethylene container 8 is a mixed reaction solution 9; For the console 2, a display screen 3, an indicator light 4, a power switch 5, and a temperature controller 6 are set on the console 2.

[0090] figure 2 As shown in the figure, it is a state diagram for the preparation of the iron-containing microporous composite molecular sieve mixture. The position of each part must be correct, the proportion should be proportioned, and the operations should be performed in sequence.

[0091] The preparation of the iron-containing microporous composite molecular sieve mixture is carrie...

Embodiment 1

[0098] The microporous composite molecular sieve can also be doped with cobalt nitrate during the preparation process to produce a cobalt-containing microporous composite molecular sieve, and its preparation method is the same as the above scheme.

Embodiment 2

[0100] The microporous composite molecular sieve can also be doped with nickel nitrate during the preparation process to make a nickel-containing microporous composite molecular sieve, and the preparation method is the same as the above scheme.

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Abstract

The invention relates to a fast preparation method of ferrous microporous composite molecular sieves. According to the method, firstly, single molecular sieves are prepared in a reaction kettle, then, ferric nitrate is doped, heating and crystallization are carried out in a heating furnace, high-temperature roasting is carried out in a rotating furnace, ferrous microporous composite molecular sieve powder products are fast prepared, and the prepared ferrous microporous composite molecular sieve powder body particles are dispersive-molecule crystals containing 10-membered rings and 12-membered rings, the diameter of the powder particles is 2 to 5mum, the powder particles can be matched with various chemical substances to be used as catalysts, and the method provided by the invention belongs to a very ideal method for fast preparing the ferrous microporous composite molecular sieves.

Description

technical field [0001] The invention relates to a rapid preparation method of an iron-containing microporous composite molecular sieve, which belongs to the technical field of catalyst preparation and application. Background technique [0002] Composite molecular sieve is a co-crystal formed by two or more molecular sieves, and is a composite crystal composed of two or more molecular sieve structures. Composite molecular sieve has synergistic effect and special catalytic performance. [0003] Microporous composite molecular sieves have good catalytic performance due to their good synergistic effect, and can be used as catalysts in the fields of heavy oil and diesel. [0004] Iron-containing microporous composite molecular sieves are still in the research stage, and there are still many problems to be solved, such as the composition and structure of templates, the influence of concentration on the formation of composite phase nuclei, the influence between composite templates,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B39/04B01J29/072
Inventor 杨冬花武正簧崔丽萍杨瑞娟董梅李晓峰窦涛
Owner TAIYUAN UNIV OF TECH
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