bentonite


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Related to bentonite: Bentonite slurry

bentonite

(bĕn`tənīt'): see clayclay,
common name for a number of fine-grained, earthy materials that become plastic when wet. Chemically, clays are hydrous aluminum silicates, ordinarily containing impurities, e.g., potassium, sodium, calcium, magnesium, or iron, in small amounts.
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bentonite

[′bent·ən‚īt]
(geology)
A clay formed from volcanic ash decomposition and largely composed of montmorillonite and beidellite. Also known as taylorite.

bentonite

A clay, formed from decomposed volcanic ash, with a high content of the mineral montmorillonite; has the capability of absorbing a considerable amount of water, and swells accordingly.
References in periodicals archive ?
Freitas et al [16] used Verde-lodo bentonite as an adsorbent for the removal of silver and copper from waste water.
The calcium bentonite helps us by expelling these toxins.
Group 2, 3 and 4 were fed Cr (Potassium dichromate, K2Cr2O7; Cr6+), vitamin E and bentonite @ 270 and 150 mg/kg, and 5% of feed, respectively.
Low effectiveness of cleaning has a talk by lack of flocculant addition (in a case with bentonite clay) or a poor dose of reagent (for absorbite and peat).
HYDRAUL-EZ: Specially treated bentonite drilling fluid designed for directional drilling.
Calcium bentonite swells only twice its unwetted volume, though it provides greater compression strength and permeability.
A scanning electron microscope (SEM) was used to examine the bentonite particles.
The aim of this study is to test, describe and interpret the internal heterogeneity of different origins of two major Upper Ordovician bentonite beds in Baltoscandia: the Sandbian Kinnekulle Bentonite of the Keila Regional Stage (Bergstrom et al.
According to sources close to the matter, the new owners will continue the production of bentonite, perlite, and zeolite, the core activity of the plant.
The bentonite clay was expected to play an important role in reinforcing and compatibilizing filler.