Ashirwad Minechem
    
Processing
Processing

Mining of bentonite is of open cast type. Since the clay minerals are formed due to geothermal activities it very in quality from layer to layer even in a same mine. The colour and other properties are depended upon the interference of the other metal ions present in soil. Therefore, mining of bentonite requires special attention. Regular sampling is done and various grades of materials are stored separately at the mine for the best suitable quality requirement.

After checking parameters of the digged out clay it is spread on open plot for sun drying to reduce moisture up to desired level. After sun drying again material is checked and transported to our factory site for further processing.

Due to the interference of other minerals and metallic salts, the excavated bentonite needs activation to improve its quality. At our factory site we have sufficient land to carry out activation process under strict supervision of our skilled personnel. After achieving desired level of activation and moisture the material is subjected to size reduction. We have four pulverizes to grind material to desired mesh size and packed according to buyers requirement.

We have fully equipped laboratory to test all required parameters laid by buyers. Right from the mines to the finished product all tests are carried out in our lab. The periodical testing while processing and grinding gives uniform quality product. Various testes give an idea of absorption capacity, gelling capacity and extent of active clay in the minerals. For example swelling capacity gives an idea of absorption, gel formation time and gel index gives an idea of absorption as well as viscosity. M.B. value gives the amount of active clay present in the mineral bentonite. Due to high gel formation capacity and viscosity bentonite is extensively used in foundry industries as well as in oil well drilling.

 
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