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A technology of sepiolite clay and sodiumization, applied in the directions of aluminum silicate, silicate, etc., can solve the problems of large volume, easy to destroy the crystal structure of sepiolite clay, incapable of sodiumization treatment, etc., so as to promote natural weathering. , Improve the disintegration effect, improve the adsorption effect
Active Publication Date: 2016-05-11
江苏世澳非金属应用科技有限公司
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[0003] In the sepiolite clay mining area, excavators are used to mechanize raw sepiolite clay ore, and what is excavated is a dense block of sepiolite clay raw ore. The raw sepiolite clay ore is relatively large and cannot be directly used for sodium treatment. For processing, most of them are crushed into fine particles by pulverizers, which can easily destroy the crystal structure of sepiolite clay
[0004] After the sodium treatment, there is no subsequent auxiliary modification treatment, which cannot fully improve the quality of sepiolite clay products
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[0027] Below in conjunction with embodiment the present invention will be further described:
[0028] 1. The ingredients of sepiolite clay after sodiumization are composed of the following components by weight percentage: 96.5% of sepiolite clay flakes, 1.6% of instant sodium silicate, 1.5% of polyvinyl alcohol and hydroxypropyl methylcellulose 0.4%.
[0029] 2. The production method of sodiumized sepiolite clay: input the ingredients of sodiumized sepiolite clay into a mill for grinding, and the powder after grinding is sodiumized sepiolite clay with fine particles Degree ≤ 0.074 mm.
[0030] 3. The production method of sepiolite clay flakes: (1) Input the sepiolite clay mixture into the immersion tank, then slowly add water into the sepiolite clay mixture for soaking and sodiumization, and the soaking time for sodiumization is 48 hours; (2) Take out The soaked sepiolite clay mixture is input into a twin-shaft mixer for stirring, and after being evenly stirred, it is input ...
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Abstract
The invention discloses sodium modified sepiolite clay. The key points of the technical scheme are as follows: the sodium modified sepiolite clay is prepared from the following raw materials: sepiolite clay, magnesium oxide, sodium carbonate, instant sodium silicate, polyvinyl alcohol and hydroxypropyl methyl cellulose; the sodium modified sepiolite clay is prepared by virtue of following the steps: inputting the raw materials of the sodium modified sepiolite clay into a mill and grinding the raw materials into powder, wherein the grinded powder is the sodium modified sepiolite clay. The sepiolite clay is firstly modified by sodium and then the raw materials are compound, so that the sodium carbonate is prevented from reacting with the instant sodium silicate, polyvinyl alcohol and hydroxypropyl methyl cellulose; the sodium modified sepiolite clay can improve properties of the sepiolite clay, such as adsorbability, rheological property, heat stability, plasticity, caking property, catalysis, specific surface area, porosity and the like; the sodium modified sepiolite clay has good rheological property, thus becoming a valuable thickener, a suspending agent and a thixotropic agent, and being applicable to industries such as cosmetics, toothpaste, soap, paint, coating, fire protection and the like.
Description
technical field [0001] The invention relates to sodium treatment, in particular to a sodium-treated sepiolite clay. Background technique [0002] Sepiolite clay is a kind of clay with sepiolite as the main component, accompanied by attapulgite, montmorillonite, talc, etc., and non-clay minerals mixed with quartz, calcite, lapis lazuli, etc. [0003] In the sepiolite clay mining area, excavators are used to mechanize raw sepiolite clay ore, and what is excavated is a dense block of sepiolite clay raw ore. The raw sepiolite clay ore is relatively large and cannot be directly used for sodium treatment. For processing, most of them are crushed into fine particles by pulverizers, which can easily destroy the crystal structure of sepiolite clay. [0004] The quality of sepiolite clay products cannot be fully improved without subsequent auxiliary modification treatment after sodium treatment. Contents of the invention [0005] The purpose of the present invention is to overcome...
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