Pelletizing: Bentonite is used as a binding agent in the production of iron ore pellets. Through this process, iron ore fines are converted into spherical pellets, suitable as feed material in blast furnaces for pig iron production, or in the production of direct reduction iron (DRI).
Calcium bentonite may be converted to sodium bentonite (termed sodium beneficiation or sodium activation) to exhibit many of sodium bentonite's properties by an ion exchange process. 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 .
USES CALCIUM BENTONITE is used for drilling mud, binder (foundarysand bond, iron ore pelletizer), purifier, absorbent (pet litter) and as a groundwater barrier. It is also used as a filler and as an ingredient in proprietary formulations in adhesives, grouts and mortars.
Bentonite is an absorbent aluminium phyllosilicate clay consisting mostly of is also used as a binding agent in the manufacture of iron ore (taconite) pellets as used in the steelmaking sodium/calcium bentonite is mined in Greece,Australia,India,Russia,and Ukraine.
researchers have investigated the use of boron compounds in iron ore agglomeration and found promising results which have been covered in this paper. Keywords: Iron ore, Pelletization, Agglomeration, Bentonite, Organic binders, Boron compounds, Colemanite. 1. IRON ORE PELLETIZING The main raw material in ironsteel industry is iron ore.
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The increasing use of bentonite in iron ore pelletizing, pet litter, drilling mud, civil engineering and refining applications will fuel the product demand. Rising application scope of bentonite as a bonding agent in nonferrous and ferrous foundries is expected to propel product growth over the forecast period.
Jun 10, 2013· In 1967, mining of bentonite from the Bearpaw Shale for pelletizing iron ore . by glycerol retention techniques that a sample of montmorillonite from Upton, . oil and is reported to be considerably superior to activated bentonite for this use.
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Sodiumactivated calcium bentonite is used as a binder in iron ore pellets and is known to increase strength of both wet and dry iron ore green pellets.
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Iron Ore Pelletizing . ARI IOP is used as a binding agent in the production of iron ore pellets. Through this process, iron ore fines are converted into spherical pellets, suitable as feed material in blast furnaces for a pig iron production or in the production of direct reduction iron (DRI). ARI IOP 550:It is a natural Sodium Bentonite with high water absorption. It has good bonding characteristic forms strong pellets.
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