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Guidelines for Mastering the Properties of Molecular Sieves : Relationship between the Physicochemical Properties of Zeolitic Systems and Their Low Dimensionality

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概要 Low dimensionality is a multifarious concept which applies to very diversified materials. Thus, examples of low-dimensional systems are structures with one or several layers, single lines or patterns ...of lines, and small clusters isolated or dispersed in solid systems. Such low dimensional features can be produced in a wide variety of materials systems with a broad spectrum of scientific and practical interests. These features, in turn, induce specific properties and, particularly, specific transport properties. In the case of zeolites, low dimensionality appears in the network of small-diameter pores of molecular size, extending in one, two or three di mensions, that these solids exhibit as a characteristic feature and which explains the term of "molecular sieves" currently used to name these ma terials. Indeed, a large number of industrial processes for separation of gases and liquids, and for catalysis are based upon the use of this low dimensional feature in zeolites. For instance, zeolites constitute the first class of catalysts employed allover the world. Because of the peculiarity and flexibility of their structure (and composition), zeolites can be adapted to suit many specific and diversified applications. For this reason, zeolites are presently the object of a large and fast-growing interest among chemists and chemical engineers.続きを見る
目次 Orientation of Chemical Properties by Direct Synthesis of Molecular Sieves
Effects of substitution in SAPO-n frameworks on their properties as acid catalysts
Zeolite synthesis and crystal tailoring
New mobilizing and templating agents in the synthesis of crystalline microporous solids
A 13C- and 129Xe- NMR study of the role of the tetraalkylammonium cations in the synthesis of high-silica zeolites
Promoter effects on phase growth in aluminophosphate and silicalumino-phosphate gel systems
Characterisation of Structural and Physicochemical Properties of Zeolitic Systems
Recent advances in techniques for characterizing zeolite structures
Recent progress in the understanding of chemical properties of zeolites
The determination of (Si, Al) distribution in zeolites
Solid state ion exchange-Phenomenon and mechanism
Static and Dynamic Parameters in Adsorption and Catalysis in Zeolites
Temperature dependence of the mobility of molecules sorbed in type A zeolites
NMR-studies of molecular motion of hydrocarbons in different faujasites
Zeolitic heteropolyoxometalates
Localized and Overall Properties Related to the Nature and Structural Organization of the Framework Atoms
On lattice dynamics, stability and acidity of zeolites
Confinement effects in sorption and catalysis by zeolites
Cooperative and localised effects in catalysis over zeolites
Long range versus short range interactions in zeolites
Acid function in zeolites: recent progress
Directing activity and selectivity of large pore acid zeolites through the control of their physicochemical properties
Orientation of the Path of Reactions (Catalysis, Adsorption) By Chemical or other Geometric or Non Geometric Effects
Is the shape selectivity always responsible for the orientation of, the reaction path in zeolite catalysis?
Factors influencing the selectivity of hydrocracking in zeolites
Hydroisomerization and hydrocracking of alkanes. 6. Influence of the pore structure on the selectivity of Pt-zeolite
The structural elements of faujasite and their impact on cracking selectivity
Overview of the Workshop
Relationship between the physicochemical properties of zeolitic systems and their low dimensionality
Discussion Reports
Orientations of Chemical Properties by direct synthesis of molecular sieves
Characterisation of structural and physico-chemical properties of zeolitic systems
Static and dynamic parameters in adsorption and catalysis in zeolites
Localized and overall properties related to the nature and the structural organization of the framework atoms
Orientation of the path of reactions (catalysis, adsorption) by chemical or other geometric or non geometric effects
Participants.
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登録日 2020.06.27
更新日 2020.06.28