Method for preparing nano mullite powder from coal-based kaolin
A technology for coal-based kaolin and mullite powder, which is applied in the field of nanomaterials or ceramic materials, can solve the problems of no single-phase nanomullite powder, etc., and achieves the effects of short cycle, easy availability and uniform crystal size.
Inactive Publication Date: 2012-09-19
CHINA UNIV OF GEOSCIENCES (BEIJING)
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Abstract
The invention discloses a method for preparing nano mullite powder from coal-based kaolin, which comprises the following steps: calcining to activate the raw material coal-based kaolin, and carrying out alkali fusion reaction to prepare the nano mullite powder. Compared with the existing preparation method, the product prepared by the method disclosed by the invention is single-phase nano mullite powder, the raw material is natural mineral which is cheap and accessible, and the invention has the advantages of simple equipment and short period, and is suitable for industrial production.
Application Domain
Aluminium silicatesNanotechnology
Technology Topic
MaceralMullite +3
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PUM
Property | Measurement | Unit |
Length | <= 200.0 | nm |
Diameter | <= 55.0 | nm |
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