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钾长石粉体合成L型分子筛

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Abstract:

以钾长石粉体为原料,通过水热分解、酸溶等过程破坏钾长石晶体结构,得到铝硅滤渣,再补充硅酸钾水玻璃,在适宜条件下水热合成L型分子筛。研究了导向剂、硅铝摩尔比、钾硅摩尔比以及晶化温度和时间条件对合成L型分子筛的影响,并对L型分子筛制品进行表征。结果表明合成产物为单一物相的L型分子筛,结晶效果良好,分子筛晶体呈短柱状,晶粒长约1μm,直径为100~500nm,比表面积为327.53m2/g。

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