Large-size analcite and synthesis method thereof

A synthesis method, the technology of analcite, applied in the direction of crystalline aluminosilicate zeolite, etc., can solve the problem of high cost of the preparation method, achieve the effect of simple and easy preparation method, promote the growth of crystals, and promote the continued growth
CN109928403AActive Publication Date: 2019-06-25CHINA PETROLEUM & CHEM CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA PETROLEUM & CHEM CORP
Publication Date
2019-06-25

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Abstract

The invention discloses large-size analcite and a synthesis method thereof, wherein the type of the crystal is analcite, the morphology comprises a bulk shape and a spherical shape, and the large-sizeanalcite has a large particle size. The synthesis method comprises: uniformly mixing an inorganic alkali, a silicon source, an aluminum source and water according to a certain ratio to obtain a silicon-aluminum gel, carrying out aging treatment on part of the obtained silicon-aluminum gel, mixing the aged silicon-aluminum gel and the remaining part, carrying out crystallization treatment, separating, washing, and drying to obtain analcime. According o the present invention, the prepared analcite has large particle size, and the preparation method is simple and easy to perform.
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Description

technical field

[0001] The invention belongs to the field of synthesis of porous inorganic materials, in particular to analcime and a synthesis method thereof. Background technique

[0002] Analcime has the characteristics of strong ion exchange capacity, strong surface adsorption, good anti-fouling and anti-redeposition effects, non-toxic, non-polluting, good stability, etc., and can be used in the fields of detergents, catalysts, adsorption and separation; especially in water purification In the field of remediation and contaminated soil, analcime can lock and remove toxic heavy metal ions, and plays a huge role in environmental governance. At present, heavy metal pollution in domestic river soil is becoming more and more serious, and analcime is an extremely important adsorption material to solve this problem.

[0003] At present, the particle size of analcime synthesized by conventional methods is on the order of microns, ranging from one to more than ten microns, which...

Claims

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