Lithium-based modified composite clay and preparation method thereof

Lithium-based modified composite clay and preparation method thereof

The invention relates to lithium-based modified composite clay and a preparation method thereof, and belongs to the technical field of functional materials. The preparation method comprises the following steps: carrying out lithiation modification treatment on composite clay ore pulp prepared from a...

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Hauptverfasser: WANG SIXIAO, WANG QI, REN WEIHUA
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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creator WANG SIXIAO
WANG QI
REN WEIHUA
description The invention relates to lithium-based modified composite clay and a preparation method thereof, and belongs to the technical field of functional materials. The preparation method comprises the following steps: carrying out lithiation modification treatment on composite clay ore pulp prepared from attapulgite and calcium bentonite, separating and purifying slurry, then carrying out gelling activation and aging, and carrying out spray drying to obtain the lithium-based modified composite clay. According to the invention, a compound clay mineral product is modified by adopting a wet method, and the structural characteristics of two clay minerals, namely bentonite and attapulgite, are combined, so that a system is more stable and firmer, and the suspension performance and construction performance of the system are further improved; and various application problems of the existing lithium-based bentonite or lithium-based attapulgite in a system are effectively solved. The modification method disclosed by the inve
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title Lithium-based modified composite clay and preparation method thereof
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