bentonite milling process

PostTime:2015-11-09 Category:material grinding Leave Message

Bentonite milling process

Bentonite is a clay rock, also known as montmorillonite clay rock, often containing a small amount of illite, kaolinite, halloysite, chlorite, zeolite, quartz, feldspar, calcite and the like; hardness 1-2, density ~ 3g / cm3. Exchangeable cations of the smectite type, content and layer charge size, bentonite can be divided sodium bentonite (alkaline soil), calcium bentonite (alkaline soil), natural bleaching earth (soil acidity or acidic clay), which calcium include calcium bentonite and sodium and calcium and magnesium group.

bentonite milling process

Bentonite processing process

The first stage

One kind of semi-wet activated clay efficient production methods, which include: the amount of bentonite and inorganic acids mixed;

second stage

At a temperature and pressure of the activation mixture; use of a certain amount of water to flush the activated slurry PH = 4;

The third stage

And into the cake filtration, drying, grinding and other processes, which was characterized in that: a, activation temperature and pressure is generally increased to 200 ~ 300 ℃, and 15 to 40 atmospheres;

The fourth stage

Rinse water slurry shall be equally divided into a number of equal parts, in turn wash slurry.

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