Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of leucite
The application discloses a preparation method of leucite. The method comprises the following steps: 1) adding aluminium hydroxide into a sodium hydroxide solution, carrying out a heating reflux reaction, filtering, washing, and collecting a filtrate to obtain a sodium metaaluminate solution; 2) adding the sodium metaaluminate solution into a mixed solution of a sodium silicate solution and polyvinylpyrrolidone, stirring and reacting to obtain a mixture; 3) carrying out a hydrothermal reaction on the mixture at 150-220 DEG C for 3-6 h, filtering, washing, and drying to obtain analcite; and 4) adding analcite into a potassium nitrate solution and carrying out a hydrothermal reaction at 150-250 DEG C for 3-6 h, filtering, washing and drying so as to obtain leucite. According to the method, leucite is prepared by combination of a hydrothermal method and an ion exchange method. The method has characteristics of low reaction temperature, easy operation, low energy consumption and no pollution. Particle size of leucite powder is controllable and small, and particle size distribution is narrow.
Preparation method of leucite
The application discloses a preparation method of leucite. The method comprises the following steps: 1) adding aluminium hydroxide into a sodium hydroxide solution, carrying out a heating reflux reaction, filtering, washing, and collecting a filtrate to obtain a sodium metaaluminate solution; 2) adding the sodium metaaluminate solution into a mixed solution of a sodium silicate solution and polyvinylpyrrolidone, stirring and reacting to obtain a mixture; 3) carrying out a hydrothermal reaction on the mixture at 150-220 DEG C for 3-6 h, filtering, washing, and drying to obtain analcite; and 4) adding analcite into a potassium nitrate solution and carrying out a hydrothermal reaction at 150-250 DEG C for 3-6 h, filtering, washing and drying so as to obtain leucite. According to the method, leucite is prepared by combination of a hydrothermal method and an ion exchange method. The method has characteristics of low reaction temperature, easy operation, low energy consumption and no pollution. Particle size of leucite powder is controllable and small, and particle size distribution is narrow.
Preparation method of leucite
DU XIGANG (Autor:in) / WANG CHUNWEI (Autor:in) / XU RUI (Autor:in) / MI GANG (Autor:in) / ZHANG JUN (Autor:in) / YAO HAIRUI (Autor:in) / LI HUABO (Autor:in)
27.01.2016
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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