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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 8    No. 1    March 1998

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FORMATION AND SOLUBILITY OF POTASSIUM ALUMINOSILICATE
Liu Guihua1  Li Xiaobin1  Zhang Chuanfu1 and Peng Zhihong1  He Boquan2

1.Department ofNonferrous Metallurgy, Central South University of Technology, Changsha 410083, P. R. China;
2.China National Nonferrous Metals Industry Corp., Beijing100814, P. R. China

Abstract:The formation and solubility of potassium aluminosilicate were studied. At low temperatures, potassium aluminosilicate, which in general is amorphous, can be easily crystallized in saturated aluminate solution, and the structure may be stratum or frame; its solubility depends on the concentration of caustic soda and temperature. The results indicated that low concentration of  K2O in aluminate solution has little effect on the current industrial alumina production.

 

Key words: potassium aluminosilicate structure solubility

ISSN 1672-7029
CN 43-1423/U

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