Thermodynamics of the Na-Al-silicate formation system containing CO3(2-) and SO4(2-)

被引：0
|
作者：
Park, H
Englezos, P
机构：
来源：
ISWPC - 9TH INTERNATIONAL SYMPOSIUM ON WOOD AND PULPING CHEMISTRY - POSTER PRESENTATIONS | 1997年
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中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The concentrations of aluminum (A1), and silicon (Si) ions in equilibrium with Al-Si complexes were measured in laboratory synthesized green and white liquors. The effect of hydroxyl, sulfate, and carbonate ions were investigated. The structure of the precipitates was elucidated by X-ray diffraction and chemical analysis. The green liquor precipitates were found to be a mixture of sodalite and hydroxysodalite. The white liquor precipitates have only the structure of hydroxysodalite. Precipitates containing either carbonate and/or sulfate were not observed.
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页码：851 / 854
页数：4
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