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Record Nr. |
UNINA9910437822103321 |
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Autore |
Wu Peng |
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Titolo |
MWW-type titanosilicate : synthesis, structural modification and catalytic applications to green oxidations / / Peng Wu, Hao Xu, Le Xu, Yueming Liu, Mingyuan He |
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Pubbl/distr/stampa |
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Heidelberg [Germany] : , : Springer, , 2013 |
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ISBN |
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Edizione |
[1st ed. 2013.] |
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Descrizione fisica |
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1 online resource (viii, 125 pages) : illustrations (some color) |
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Collana |
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SpringerBriefs in Green Chemistry for Sustainability, , 2212-9898 |
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Disciplina |
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Soggetti |
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Silicates |
Zeolites |
Green chemistry |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di bibliografia |
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Includes bibliographical references. |
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Nota di contenuto |
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Introduction -- Synthesis of Ti-MWW zeolite -- Post-synthesis modification of Ti-MWW: a door to diversity -- Catalytic properties of Ti-MWW in selective oxidation reactions -- Conclusions and Prospects. |
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Sommario/riassunto |
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This book provides a comprehensive review of a new generation of selective oxidation titanosilicate catalysts with the MWW topology (Ti-MWW) based on the research achievements of the past 12 years. It gives an overview of the synthesis, structure modification and catalytic properties of Ti-MWW. Ti-MWW can readily be prepared by means of direct hydrothermal synthesis with crystallization-supporting agents, using dual-structure-directing agents and a dry-gel conversion technique. It also can be post-synthesized through unique reversible structure transformation and liquid-phase isomorphous substitution. The structural conversion of Ti-MWW into the materials usable for processing large molecules is summarized. Taking advantage of the structure diversity of the lamellar precursor of Ti-MWW, it can be fully or partially delaminated, and undergo interlayer silylation to obtain a novel structure with larger porosity. In the selective oxidation (alkene epoxidation and ketone/aldehyde ammoximation) with hydrogen peroxide or organic peroxide as an oxidant, the unique catalytic properties of Ti-MWW are described in comparison to |
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conventional titanosilicates such as TS-1 and Ti-Beta. |
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