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Bentonite: The Versatile Clay with a Thousand Uses
Bentonite is a remarkable and highly versatile absorbent clay that is formed from the weathering of volcanic ash. Its primary constituent is the mineral montmorillonite, which gives bentonite its unique and commercially valuable properties, most notably its ability to swell and form a viscous, gel-like substance when mixed with water. The bentonite market is a large and diverse sector, with applications spanning a wide range of industries, from drilling and construction to consumer goods and agriculture. This unassuming clay is a true workhorse of the industrial world, playing a crucial role in processes that are fundamental to our economy and daily lives.
The largest single application for bentonite is in the oil and gas industry, where it is a key component of drilling mud. When mixed with water, bentonite forms a slurry that is pumped down the drill string. This mud serves several critical functions: it lubricates and cools the drill bit,…