Bentonite is naturally occurring industrial rock, characterized by the property of absorbing water and capacity for Base Exchange. It is generated frequently from the alteration of volcanic ash, consisting predominantly of smectite minerals, usually montmorillonite. Bentonite is processed to give sodium and calcium montmorillonite, activated clays, and organo-clays all of which have different properties that can be applied in wide range of uses and applications. It has special properties such as hydration, swelling, water absorption, viscosity, and thixotropy. Different types of bentonite are each named after the respective dominant element such as potassium, sodium, calcium, and aluminium.
Bentonite is used in foundry application in the preparation of molding sand for the production of iron, steel, and non-ferrous casting as a bonding material. Production of high quality casting is possible because of bentonite’s good flowability, compactability, and thermal stability. Bentonite is used for cat litter as it provides the advantage of absorbing refuse by forming clumps (which can be easily removed) leaving the remaining product intact for further use. It is used as a mud constituent for oil and water well drilling.
Bentonite is used as a filler in pharmaceuticals due to its absorption/adsorption functions. It allows paste formation and its applications include industrial protective creams, wet compresses, calamine lotion, and antiirritants for eczema. In medicine, bentonite is used as an antidote in heavy metal poisoning. Personal care products such as mud packs, sunburn paint, baby and facepowders, and face creams may all contain bentonite. Bentonites are used for decolorizing various mineral, vegetable, and animal oils. They are also used for clarifying wine, liquor, cider, beer, mead, and vinegar owing to its adsorption properties.
In 2015, the global bentonite production was estimated at 16 million tons by the United States Geological Survey (USGS).
Key players in Global Bentonite Market
On the basis of product type, global bentonite market is segmented into:
On the basis of application, global bentonite market is segmented into:
On the basis of end-use industry, global bentonite market is segmented into:
On the basis of region global bentonite market is segmented into:
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