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Classification of Attapulgite Clay_Mingguang Guoxing Concave Co., Ltd.

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Classification of Attapulgite Clay

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There are two ways in which attapulgite can be formed:

First, attapulgite is crystallized directly from a weakly alkaline aqueous solution of magnesium-rich silicon-aluminum; in high-grade attapulgite clay formed by direct crystallization of an aqueous solution, nanorod-shaped attapulgite crystals grow in parallel or near parallel to form a bundled aggregate , Called a crystal beam.

The second is the reaction of montmorillonite and magnesium-rich pore fluid. Magnesium ions enter the montmorillonite structure and gradually change from a layered structure silicate to a chain layered structure silicate.

These two formation mechanisms often occur simultaneously in an attapulgite clay deposit. The attapulgite clay ore is divided into:

High-grade attapulgite clay

Opal Attapulgite Clay

Dolomite attapulgite clay

Smectite attapulgite clay

Among them, attapulgite in high-grade attapulgite clay, opal attapulgite clay, and dolomite attapulgite clay are mainly formed by direct crystallization of aqueous solution, and their microstructure characteristics are opal, dolomite, and attapulgite inlay. Montmorillonite attapulgite clay is mainly formed by the conversion of montmorillonite to attapulgite, retaining the shard artifact of montmorillonite, and becoming the residue of conversion of rod-shaped attapulgite and montmorillonite (disintegration into finer nanoparticles) Constitute attapulgite and montmorillonite.


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