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    • 57. 发明授权
    • Non-hydrothermal method of making a titanium-containing zeolite
    • 制备含钛沸石的非水热法
    • US5688484A
    • 1997-11-18
    • US681585
    • 1996-07-29
    • Robert J. SaxtonJohn G. Zajacek
    • Robert J. SaxtonJohn G. Zajacek
    • C01B37/00C01B33/34
    • C01B37/005Y10S423/22
    • A process for producing a titanium-containing zeolite such as TS-1 titanium silicalite is disclosed. A precursor mixture comprising a silica source such as tetraalkylorthosilicate, a titanium source such as titanium alkoxide, a growth medium comprising a nitrogen-containing organic base such as an amine, a fluoride-containing mineralizing agent such as hydrogen fluoride, and an optional organic solvent, is formed then heated to yield the titanium-containing zeolite as solid crystals. A controlled amount of water may be present in the growth medium. The process is capable of providing good yields of high purity zeolites containing framework titanium atoms even in the absence of a quaternary ammonium salt.
    • 公开了一种生产含钛沸石如TS-1钛硅沸石的方法。 包含二氧化硅源的前体混合物,例如原硅酸四烷基酯,钛源如钛醇盐,生长介质,其包含含氮有机碱如胺,含氟化物的矿化剂如氟化氢和任选的有机溶剂 ,然后加热形成含钛沸石作为固体晶体。 受控量的水可能存在于生长培养基中。 该方法即使在不存在季铵盐的情况下也能够提供含有骨架钛原子的高纯度沸石的良好产率。