Mullite material as well as preparation method and application thereof

Mullite material as well as preparation method and application thereof

The invention relates to a mullite material as well as a preparation method and application thereof, the method comprises the following steps: mixing high-alumina fly ash, alkali liquor and an inhibitor, carrying out stirring reaction, and then carrying out solid-liquid separation to obtain a solid...

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Hauptverfasser: YUAN DANDONG, OU YANJUN, WANG XIAOHUI, MA SHUHUA, LIN MING'AN
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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creator YUAN DANDONG
OU YANJUN
WANG XIAOHUI
MA SHUHUA
LIN MING'AN
description The invention relates to a mullite material as well as a preparation method and application thereof, the method comprises the following steps: mixing high-alumina fly ash, alkali liquor and an inhibitor, carrying out stirring reaction, and then carrying out solid-liquid separation to obtain a solid phase, namely the mullite material; the inhibitor comprises dodecyl dimethyl benzyl ammonium chloride, sodium n-hexadecyl sulfate, hexadecyl trimethyl ammonium chloride, octadecyl trimethyl ammonium chloride, dodecyl dimethyl betaine, dodecyl trimethyl ammonium bromide, methyl ditallow acyl ethyl-2-hydroxyethyl ammonium methyl sulfate, polyquaternium-16 or cationic guar gum. According to the method provided by the invention, the alkaline leaching reaction conditions are controlled and the inhibitor is added into the alkaline solution, so that water-soluble sodium (potassium) silicate and sodium (potassium) aluminate generated in the alkaline leaching process can be in a metastable state to inhibit conversion of the
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title Mullite material as well as preparation method and application thereof
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