Sodium modified green smectite formation clay

A green smectite clay and sodium treatment technology, applied in the direction of aluminum silicate, silicate, etc., can solve the problems that the quality of green smectite clay products cannot be comprehensively improved, and there is no auxiliary modification treatment, so as to promote natural weathering , Improve the disintegration effect and accelerate the dispersion effect

Inactive Publication Date: 2014-09-03
辽宁沙海膨润土矿业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] After the sodium treatment, there is no subsequent auxiliary modification treatment, and the quality of the green smectite clay product cannot be fully improved

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] Below in conjunction with embodiment the present invention will be further described:

[0032] 1. The green smear clay ingredients after sodiumization are composed of the following components by weight percentage: green smear clay flakes 95.6%, instant sodium silicate 2.1%, polyvinyl alcohol 1.6%, hydroxypropyl methylcellulose 0.5% and sodium acid pyrophosphate 0.2%.

[0033] 2. The production method of the green smectite clay after the sodiumization: input the ingredients of the green smectite clay after the sodiumization into the mill for grinding, the particle fineness is ≤0.074 mm, and the powder after grinding is the sodiumized Green smudged clay.

[0034] 3. The production method of green smectite clay flakes: (1) input the green smear clay mixture into the soaking tank, then slowly add water into the green smectite clay mixture to soak and sodiumize, and the soaking time for sodium is 48 hours; (2) take out The soaked green smear clay mixture is input into a tw...

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Abstract

The invention discloses sodium modified green smectite formation clay, and the key points of the technical scheme are that: the sodium modified green smectite formation clay comprises the ingredients of green smectite formation clay, sodium carbonate, magnesium oxide, instant sodium silicate, polyvinyl alcohol, hydroxypropyl methyl cellulose and sodium acid pyrophosphate. A production method of the sodium modified green smectite formation clay is as follows: sodium modified green smectite formation clay ingredients are transported into a mill for milling powder, and the milled powder is the sodium modified green smectite formation clay. According to the needs of product quality, the sodium acid pyrophosphate is used for adjusting the PH of the sodium modified green smectite formation clay, the sodium modified green smectite formation clay can improve the water absorption rate, colloid index, expansion times, colloid viscosity, cation exchange capacity, dispersibility and suspension rate in an aqueous medium of the attapulgite clay. The sodium modified green smectite formation clay has the characteristics of good thixotropy, lubrication, thermal stability, strong adhesion, high plasticity. The sodium modified green smectite formation clay is applicable to the production of products of industry, agriculture, building and fire control areas.

Description

technical field [0001] The invention relates to sodium treatment, in particular to a sodium-treated green smectite clay. Background technique [0002] If two or more clay mineral structural unit layers are regularly superimposed on each other, it is called an ordered mixed layer, otherwise it is called a disordered mixed layer, such as an illite mixed layer, a green smectite layer, and an iridescent mixed layer. [0003] Chloromontmorillonite is the product of the transformation from montmorillonite to chlorite. It is in the form of thin sheets wrapped on the surface of the particles or filled between the particles. It has both the needle-like structure of chlorite and the grid-like structure of montmorillonite. , contains more iron and magnesium, and has certain acid sensitivity and water sensitivity. [0004] The green smear layer is a mineral that is easy to swell when it meets water, and it is easy to cause clay swelling and dispersion to cause formation damage. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/26
Inventor 黄允金陈丽萍黄飞翔许庆华许盛英蒋文兰
Owner 辽宁沙海膨润土矿业有限公司
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