Thermodynamics of carbonization of aluminate solution
Thermodynamics of carbonization of aluminate solution
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发表时间：
2003
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通讯作者：
Li. Xiao
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作者：
Li. Xiao
分析了铝酸钠溶液碳化过程的机理。结果表明，铝酸盐溶液过饱和导致Al（OH）_3的自发形核是铝酸盐溶液中Al（OH）_3析出的内在原因。实验结果表明，碳化产物SiO_2的含量取决于其溶解度，而不是吸附的结果。对生成Na_2O·Al_2O_3·2CO_2·Mn_2H_2O的热力学进行了计算。
The mechanism of carbonization process of aluminate solution was analyzed thermodynamically. The results show that the internal reason of precipitation of Al(OH)3 in the process is its spontaneous nucleation caused by supersaturation of aluminate solution. The behaviors of SiO2 in the process are in accordance with that from published experiment, which implies that the content of product SiO2 from carbonization depends on its solubility but is not the result of absorption. The thermodynamic calculation for forming Na2O·Al2O3·2CO2·nH2O was achieved.