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Hydrophobic Nanosized All-Silica Beta Zeolite: Efficient Synthesis and Adsorption Application.
- Zhiguo Zhu, Hao Xu, Jingang Jiang, H. Wu, Peng Wu
- Materials Science, Medicine
- ACS applied materials & interfaces
- 2 August 2017
All-silica beta zeolite, synthesized by conventional hydroxide route, usually possesses small crystal size of a few hundred nanometers but poor hydrophobicity, whereas the fluoride-mediated one… Expand
Preparation of hierarchical MWW-type titanosilicate by interlayer silylation with dimeric silane
Abstract An interlayer expanded zeolite structure with dimeric silane as the pillars was constructed by a combination of pre-swelling and silylation. The pre-swelling process was carried out on the… Expand
Ultrafast synthesis of nanosized Ti-Beta as an efficient oxidation catalyst via a structural reconstruction method
As a representative selective oxidation titanosilicate catalyst, a Ti-Beta zeolite is less used in comparison with TS-1, Ti-MWW and Ti-MOR, mostly due to its high hydrophilicity originating from a… Expand
MWW-Type Titanosilicate: Synthesis, Structural Modification and Catalytic Applications to Green Oxidations
Titanosilicate with MWW topology can be prepared by hydrothermal method, dry-gel method, and post-synthesis method. At first, the addition of B atoms in the synthesis gels was identified as the key… Expand
Structural diversity of lamellar zeolite Nu-6(1)--postsynthesis of delaminated analogues.
Nu-6(1) zeolite, the lamellar precursor of NSI topology, was firstly synthesized with 4'4-bipyridine as the structure-directing agent (SDA) and then subjected to HCl-EtOH treatment for the purpose of… Expand
Post-synthesis treatment gives highly stable siliceous zeolites through the isomorphous substitution of silicon for germanium in germanosilicates.
- Hao Xu, Jingang Jiang, B. Yang, L. Zhang, M. He, Peng Wu
- Chemistry, Medicine
- Angewandte Chemie
- 27 January 2014
Germanosilicates, an important family of zeolites with increasing number of members and attractive porosities, but containing a large quantity of unstable Ge atoms in the framework, meet with great… Expand
Preparation of Interlayer-Expanded Zeolite from Lamellar Precursor Nu-6(1) by Silylation
Interlayer-expanded zeolite, IEZ-NSI, has been post-synthesized from a two-dimensional (2D) layered precursor Nu-6(1) (Si/Al ratio = 30 – ∞) by intercalating with diethoxydimethylsilane in… Expand
Isomorphous Incorporation of Tin Ions into Germanosilicate Framework Assisted by Local Structural Rearrangement
The crystalline structure of UTL zeolite experienced an unusual orientated collapse and reconstruction within an extremely narrow time window during the structural stabilization process by nitric… Expand
Sn-Beta zeolite hydrothermally synthesized via interzeolite transformation as efficient Lewis acid catalyst
Abstract An innovative hydrothermal synthesis strategy of heteroatom-containing zeolite, in this case Sn-Beta, via interzeolite transformation is reported in present study. To the best of our… Expand
Hydrothermal synthesis of MWW-type stannosilicate and its post-structural transformation to MCM-56 analogue
Abstract A series of novel stannosilicates with the MWW topology, Sn-MWW, was hydrothermally synthesized in alkali medium using boric acid as a crystallization-supporting agent. The Sn-MWW lamellar… Expand