Bentonite Flashcards

(5 cards)

1
Q

what is bentonite

A

clay derived from weathering of volcanic ash

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2
Q

what is special about bentonite

A

ability to swell, giving it plastic nature

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3
Q

what is the structure of bentonite

A

3 layer sheet silicate
2 tetrahedral
1 octahedral

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4
Q

is bentonite hydrophilic/phobic and organophilic/phobic

A

Hydrophilic
Organophilic

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5
Q

what are the uses of bentonite

A

Pitch control (organophilic)
cleaning process water
retention aid (anionic character with high surface area supports flocculation)

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