铝酸钠溶液分解是碱法生产氧化铝过程的关键环节.总结铝酸钠溶液分解过程的理论及技术研究进展,论述铝酸钠溶液分解过程的热力学和宏观动力学、铝酸钠溶液的结构及其演变规律、氢氧化铝颗粒行为、分解体系固-液界面作用调控以及铝酸钠溶液分解技术等.认为铝酸钠溶液分解过程中有利于氢氧化铝析出的含铝离子是Al(OH)4-,调控溶液中其他复杂含铝离子结构向该类结构转变则有利于氢氧化铝析出；增大分解末期体系中最小颗粒尺寸是提高分解深度的关键；协同调控分解过程中溶液物理化学性质、离子结构和固-液界面作用的原理和方法是强化铝酸钠溶液分解技术研究的基础.
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