通过测定ρ-Al2O3在9种介质中水化时料浆的温度与粘度变化和水化产物相组成分析与显微结构观察研究ρ-Al2O3的水化行为.研究结果表明,酸性介质阻止ρ-Al2O3的水化,碱性介质促进ρ-Al2O3的水化;ρ-Al2O3在水中和碱性介质中的水化产物主要为粒状、结晶良好的拜耳石,酸性介质中为结晶不完整、呈无定形的勃姆石.
Hydration behaviors of the ρ-Al2O3 were investigated by the determinations of temperature and viscosity of the slurries and the phase composition analysis and microstructure observation of the hydrated products in 9 media.It has been shown that, hydration process of the ρ-Al2O3 will be prevent in acidic medium and promote in alkaline medium.Hydration products of the ρ-Al2O3 are mainly crystalline granular bayerite in water and alkaline media and amorphous boehmite in acidic medium.
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