bentonite raw mining high white bentonite

Specifications

1. Higher in activity degree
2. Four own mines and tow factories
3. Advanced equipment and professional service

Specification:

1. Raw bentonite. 

2. OEM manufacture

3. Package: 25kg/ton bag or on requests of customer

4. Delivery: 5-10 working days after confirm the order

5.Sample: free supply

 

 

item	montmorillonite content	Blue light whiteness
Calcium basic	60-70	80
Sodium basic	60-70	70

 

 

applications:
Foundry industry
ceramic industry
Industry charcoal briquettes
Cosmetics industry
Eat electrical industry
pharmaceutical industry

 

 

 

 

 

Calcium bentonite is a useful adsorbent of ions in solution, as well as fats and oils, being a main active ingredient offuller's earth, probably one of the earliest industrial cleaning agents. Calcium bentonite may be converted to sodium bentonite (termed sodium beneficiation or sodium activation) to exhibit many of sodium bentonite's properties by a process known as "ion exchange" In common usage, this means adding 5–10% of a soluble sodium salt such as sodium carbonate to wet bentonite, mixing well, and allowing time for the ion exchange to take place and water to remove the exchanged calcium.[citation needed] Some properties, such as viscosity and fluid loss of suspensions, of sodium-beneficiated calcium bentonite (or sodium-activated bentonite) may not be fully equivalent to those of natural sodium bentonite. For example, residual calcium carbonates (formed if exchanged cations are insufficiently removed) may result in inferior performance of the bentonite in geosynthetic liners.

 

 

Sodium bentonite expands when wet, absorbing as much as several times its dry mass in water. Because of its excellent colloidal properties, it is often used in drilling mud for oil and gas wells and for geotechnical and environmental investigations. It is used to line the base of landfills to prevent migration of leachate, for quarantining metal pollutants of groundwater, and for the sealing of subsurface disposal systems for spent nuclear fuel.It is also used to form a barrier around newly planted trees to constrain root growth so as to prevent damage to nearby pipes, footpaths and other infrastructure. Sodium bentonite can also be "sandwiched" between synthetic materials to create geo-synthetic clay liners (GCL) for the aforementioned purposes. Sodium bentonite is also used in a variety of pet care items such as cat litter to absorb the odour and surround the feces.

 

 

 

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