Kaolinite intercalation method

A kaolinite and solution technology, applied in the direction of aluminum silicate, silicate, etc., can solve the problems that the intercalation purpose cannot be achieved, the intercalation cannot be realized, the process is complicated, etc., and the interlayer distance is large, the intercalation time is short, The effect of simple process operation

Inactive Publication Date: 2005-09-14
SHAANXI UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

This method can not achieve the purpose of complete intercalation
Most of the above-mentioned methods are intercalation methods for a certain substance, and some take a long time, some have complicated processes, and some cannot achieve complete intercalation even though the time is short.

Method used

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  • Kaolinite intercalation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Example 1: Dimethyl sulfoxide was dissolved in distilled water to prepare a 10.7mol / L solution; kaolinite passed through a 100-mesh sieve was added to the above solution at a mass ratio of 1:20, and dispersed evenly. The generating head of the chemical generator was put into the above solution, and reacted at an ultrasonic frequency of 25KHz for 1 hour and at an ultrasonic frequency of 35KHz for 2 hours under stirring. Then filter the solution and dry naturally to obtain the kaolinite intercalation compound intercalated by dimethyl sulfoxide. The obtained intercalation compound was analyzed by X-diffraction analyzer.

[0008] Referring to the accompanying drawings, the X-diffraction analysis figure of the intercalation compound of kaolinite intercalated with dimethyl sulfoxide, in the figure a represents the X-diffraction analysis of the intercalation compound obtained after reacting for 1 hour at an ultrasonic frequency of 25KHz In the figure, b in the figure represen...

Embodiment 2

[0012] Example 2: Diethanolamine was dissolved in distilled water to prepare a 5mol / L solution; kaolinite was pulverized and passed through a 100-mesh sieve, and added to the above solution at a mass ratio of 1:30, and dispersed evenly to obtain a mixed solution; Put the generation head of the sonochemical generator into the mixed solution, and perform sonochemical intercalation at an ultrasonic frequency of 15KHz under stirring, and the ultrasonic action time is 4 hours; filter the solution after sonochemical intercalation, and pass through The kaolinite intercalation compound intercalated with diethanolamine can be obtained by natural drying.

Embodiment 3

[0013] Embodiment 3: dissolving triethanolamine in distilled water is prepared into a solution of 16.7mol / L; kaolinite is pulverized and passed through a 100 mesh sieve, and added to the above solution with a mass ratio of 1:20, and dispersed evenly to obtain a mixed solution; The generation head of the frequency acoustic chemical generator is put into the mixed liquid, and it is sonochemically intercalated at an ultrasonic frequency of 25KHz under the stirring state, and the ultrasonic action time is 0.8 hours; the solution after the sonochemical intercalation is filtered, The kaolinite intercalation compound intercalated with triethanolamine can be obtained after natural drying.

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Abstract

A collyrium intercalation process comprises the steps of, dissolving the organic micromolecules containing amino, amido, hydroxy, carboxyl or sulfonyl active functional groups into distilled water to prepare solution of 5-16.7mol / L, disintegrating the collyrium and passing through 100 mesh sieves, charging into the solution by the mass ratio of 1:15-30, obtaining the miscible liquid by uniform dispersion, placing the generating head of the multiple frequency acoustochemiscal generator into the miscible liquid, agitating and carrying out acoustochemical intercalation, filtering the solution and drying in the open.

Description

technical field [0001] The invention relates to a kaolinite intercalation method. Background technique [0002] The organic compound of kaolinite formed by inserting organic molecules between kaolinite layers is a new type of mineral material. It has broad application prospects in the fields of functional ceramic materials, environmental engineering materials, nanocomposites, catalysts, and selective adsorbents. At present, the research on the intercalation clay reaction at home and abroad mainly focuses on the intercalation of montmorillonite and kaolinite, and the intercalation of montmorillonite is relatively easy. However, kaolinite is a typical 1:1 layered silicate, which does not contain exchangeable cations between layers, and is considered to be a non-swellable clay mineral, so the intercalation of kaolinite is relatively difficult. Intercalation methods mainly include solution intercalation and melt intercalation. Solution intercalation is to insert organic molec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B33/26
Inventor 曹丽云黄剑锋
Owner SHAANXI UNIV OF SCI & TECH
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