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- In detail
- BrandТОО "Бенто Технологии KZ"
- Country of manufactureKazakhstan
The main rock-forming mineral - montmorillonite averages 87%.
Bentonite lump clay is used for production of boring bentoporoshk, pellets in black metallurgy and preparation of forming mixes in foundry production.
Bentonite clay has long industrial history. Bentonite clays a long time were applied as sorbents. Since the beginning of the XX century the scope extended, mainly for boring solutions on a water basis when drilling wells on oil, gas and water in a vertical and horizontal waterproofing of a driving, in foundry ferrous and nonferrous metallurgy, in winemaking for clarification of juice and wines, by production of ceramics as a filler in paper sector, for an okomkovaniye of an iron ore concentrate, in petrochemistry for purification of oils, for softening of water, production of the washing preparations, in the paint and varnish industry, medicine, pharmaceutics and cosmetology.
Clay bentonite for boring solutions happens activated and not activated, is used for preparation and regulation of structural and rheological and filtrational properties of salt-resistant boring solutions on a water basis when drilling in difficult conditions, especially in the salted soil. Clay is a product of processing of natural calcic bentonites by their activation by soda with the subsequent drying and crushing. Bentoporoshok of the PBMG and PBMV brands is processed only by inorganic reagent what the calcinated soda serves, bentonite does not contain other polymeric additives. Let's combine with all components applied in drilling.
The general properties of bentonite clays are dispersion, the adsorptive ability, nabukhayemost, binding ability and other characteristics.
Dispersion - the characteristic of the size of particles in disperse systems which consist of a set of the small particles (a disperse phase) distributed in the homogeneous (disperse) environment. By the sizes of particles distinguish grubodispersny and high-disperse systems.
Kolloidnost - property of particles of a disperse phase from 10-7 to 10-5 cm in size as a result of heavy Brownian motion to be distributed in the disperse environment.
Swelling capacity - an attraction of molecules of water fine particles of clay. Adsorption - ability of clays to absorb substances from the liquid environment.
On a chemical composition distinguish two types of bentonites:
• alkaline - with prevalence of exchange sodium;
• shchelochnozemelny - with prevalence of exchange calcium.