Abstract
Post-treatment converting 3D Ti-MWW zeolite to 2D Ti-MWW zeolite with the aid of ammonium molecules and subsequent calcination can largely increase the hydrophobicity of Ti-MWW zeolite and its catalytic performance. Moreover, the Ti-MWW lamellar precursor with weak hydrogen bonds in the interlayer space can also be structurally modified by swelling, partial or full delamination, and pillaring. The modified structures including partial or full delaminated and pillared structures possessed larger external surface area and higher accessibility than the conventional 3D Ti-MWW zeolite, which then showed higher conversion rate in the liquid oxidation reactions, especially, in the epoxidation of large-size cyclohexene molecule.
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Wu, P., Xu, H., Xu, L., Liu, Y., He, M. (2013). Structural Modification of Ti-MWW: A Door to Diversity. In: MWW-Type Titanosilicate. SpringerBriefs in Molecular Science(). Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-39115-6_3
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DOI: https://doi.org/10.1007/978-3-642-39115-6_3
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