Tel: +7 (495) 626 51 49 st. Tverskaya, 12, building 1 e-mail: info@bentonit.ru Products About bentonite ABOUT BENTONIT ABOUT COMPANY • general information • History • Certificates • Articles • Contacts PRODUCTION • Place of Birth • Manufacturing plants • Quality control PRODUCTS • About bentonite • Lumpy clay for the production of iron ore pellets • Activated clay for the production of iron ore pellets • Bentopolymer and interpolymer compositions for the production of iron ore pellets, sinter and briquetting of metallurgical waste • Benthic powders of grades: PBA PBB PBMA PBMB PBMV for drilling fluids • Lump clay for molding sand • Bentonite powders for the production of molding sands • Bentonite for horizontal directional drilling and construction • Bentonite for water treatment • Bentonite for winemaking • Bentonite in agriculture • Bentonite for environmental purposes • Наполнитель для кошачьих туалетов ПРОДАЖИ • Отгрузка продукции • Обратная связь ПАРТНЕРЫ • www.bentonit.su • www.b-kh.ru • www.bentizol.ru • www.azrpi.com • www.biorost.su • www.leading-co.ru It is customary to call bentonite clay containing at least 70% of the mineral of the montmorillonite group. Montmorillonite is a highly dispersed layered aluminosilicate in which, due to nonstoichiometric substitutions of crystal lattice cations, an excess negative charge appears, which is compensated by exchangeable cations located in the interlayer space. This is the reason for the high hydrophilicity of bentonite. When bentonite is mixed with water, it penetrates into the interlayer space of montmorillonite, hydrates its surface and exchange cations, which causes swelling of the mineral. Upon further dilution with water, bentonite forms a stable viscous suspension with pronounced thixotropic properties. Montmorillonite has high cation exchange and adsorption properties. Due to the properties noted above, bentonite has found wide application as a viscous-gelling agent and filtration reducer in the preparation of drilling fluids for drilling wells and transitions, as a binder in molding mixtures and iron ore pellets , as well as a waterproofing and adsorption material . In agriculture, bentonite is effectively used in the production of animal feed , as a bedding for animals, for soil reclamation, as well as for clarifying wines and juices . The highest quality clumping cat litters are made from bentonite . More than 200 fields of application of bentonite are known. The best technological properties are possessed by bentonites, whose montmorillonite contains predominantly exchangeable sodium cations. Deposits of natural sodium bentonite are found in the Transcaucasus. In Russia, the most common deposits of clay with a montmorillonite content of 30-60%, which are mistakenly called bentonite. Almost all Russian bentonites are calcium-magnesium. The consumer properties of such bentonites containing at least 70% montmorillonite, after activation with soda ash, can approach the properties of natural sodium. print version Copyright 2000-2011 “Bentonite”. All rights reserved Tel .: +7 (495) 626-51-49 Tel .: +7 (495) 626-98-63 Fax: +7 (495) 626-51-56