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CN101863491B 一种L/MCM-41介微孔复合分子筛的制备方法 有权

一种L/MCM-41介微孔复合分子筛的制备方法
摘要：
一种L/MCM-41介微孔复合分子筛的制备方法；按摩尔比将(2.0～5.0)K2O∶Al2O3∶(5～14)SiO2∶(40～240)H2O∶(0.005～0.05)SDBS混合，在100～170℃晶化温度下培育得L分子筛纳米晶簇；将L分子筛纳米晶簇加入到模板剂溶液中，物料按摩尔比为(2.0～5.0)K2O∶Al2O3∶(5～14)SiO2∶(600～1600)H2O∶(0.005～0.05)SDBS∶(0.3～3.0)模板剂，调整pH值为7.0～11.0，90～110℃静态晶化，得到L/MCM-41微孔-介孔复合分子筛；操作简单，重复性好，对于重油大分子的催化反应具有潜在的应用价值。
摘要（英）：

The invention relates to a preparation method of an L/MCM-41 mesoporous composite molecular sieve; mixing (2.0 to 5.0) K2O: Al2O3: (5 to 14) SiO2: (40 to 240) H2O: (0.005 to 0.05) SDBS by the molar ratio, and cultivating an L molecular sieve nanocluster at the crystallization temperature of 100 to 170DEG C; adding the L molecular sieve nanocluster into template solution and the molar ratio of thematerials is (2.0 to 5.0) K2O: Al2O3: (5 to 14) SiO2: (600 to 1600) H2O: (0.005 to 0.05) SDBS: (0.3 to 3.0) template, adjusting the Ph value to be 7.0 to 1.0, crystallizing statically at 90 to 110DEGC to obtain the L/MCM-41 mesoporous composite molecular sieve. The preparation method of the L/MCM-41 mesoporous composite molecular sieve is simple to operate, has good repeatability, and has potential application value in the catalytic reaction of heavy oil macromolecules.

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