【摘 要】
：
LiNaY沸石经SiCl4气相同晶脱铝补硅后制得系列高硅铝比、高结晶度的Y沸石,用低温氮吸附法,求得样品对N2的吸附-脱附等温线,从而计算其比表面和孔体积,并采用BJH模型计算孔径
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LiNaY沸石经SiCl4气相同晶脱铝补硅后制得系列高硅铝比、高结晶度的Y沸石,用低温氮吸附法,求得样品对N2的吸附-脱附等温线,从而计算其比表面和孔体积,并采用BJH模型计算孔径分布.用真空重量法测定了四种C6化合物(正己烷,2,3-二甲基丁烷、苯、环己烷)的吸附等温线,探讨吸附量与吸附物的性能(极性、几何构型)、吸附量与吸附剂脱铝深度的关系.从而得到,经SiCl4同晶取代后Y沸石的孔结构和表面性质与脱铝深度的关系.
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