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- W975040761 abstract "在40 ℃和常压下,于0.36 mol/L的HCl溶液中合成了n(Si)/n(Ti)分别为30、50和70的超微粒分子筛Ti-MCM-41. 经XRD、FTIR和SEM表征,该分子筛具有规则的骨架结构,颗粒直径在0.05～0.10 μm之间. 同时研究了该分子筛在苯乙烯与H2O2液相氧化反应中的催化行为. 结果表明,提高分子筛中Ti含量,加入助催化剂LiCl、K2SO4和NaNO3,提高n(H2O2)/n(苯乙烯)比,以甲醇为溶剂,延长反应时间,提高反应温度,均能提高苯乙烯的转化率. 考察了不同反应时间苯乙烯氧化的反应速率." @default.
- W975040761 created "2016-06-24" @default.
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- W975040761 date "2002-12-10" @default.
- W975040761 modified "2023-09-24" @default.
- W975040761 title "超微粒介孔分子筛Ti-MCM-41的合成及应用" @default.
- W975040761 hasPublicationYear "2002" @default.
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