Application of Bentonite
2022-03-11
The nature of montmorillonite has a great relationship with the types of exchangeable cations between layers. According to the types of the main exchangeable cations between layers, montmorillonite is usually divided into calcium montmorillonite and sodium montmorillonite.
Montmorillonite has adsorption and cation exchange properties, and can be used to remove toxins from cooking oil, purify gasoline and kerosene, and treat wastewater. Because of its good water swelling performance, dispersion, suspension and slurry making, it is used for drilling mud and flame retardant (suspension fire extinguishing). It can also be used as a filler in the paper industry to optimize the performance of coatings such as adhesion, hiding power, water resistance, washing resistance, etc; because of its good bonding force, it can be used instead of starch for yarn sizing in the textile industry, which saves food and does not fluff, and does not emit peculiar smell after paddle.
In general, the properties of sodium montmorillonite (or sodium bentonite) are better than those of calcium.
Bentonite (montmorillonite) due to good physical and chemical properties, can do decontamination agent, binder, thixotropic agent, suspending agent, stabilizer, filler, feed, catalyst, widely used in agriculture, light industry and cosmetics, pharmaceuticals and other fields, so montmorillonite is a widely used natural mineral materials.
Bentonite can be used as a waterproof material, such as bentonite waterproof blanket, bentonite waterproof board and its supporting materials, using mechanical fixing method laying. Applied to the underground environment with PH value of 4 to 10, the environment with high salt content should use modified bentonite, and should be used after passing the test.
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Main products: activated clay, drilling mud, casting grade bentonite, montmorillonite, inorganic gel, bentonite cat litter