Micro‐Macroporous Structured Zeolite

Zhang, Yahong; Chen, Lihua; Tang, Yi; Yang, Xiaoyu; Su, Bao‐Lian

doi:10.1002/9783527639588.ch15

Cited by 2 publications

(1 citation statement)

References 81 publications

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“…33,127 The past decade has witnessed various strategies for the coating of such consolidated support systems to form a zeolitic composite material with high transport porosity. 128,129 As already mentioned, the support material itself carries important physical properties which should preferably be retained in the final composite material. For this reason, the zeolite crystals are usually just anchored on the surface of the support material without destroying its consolidated nature.…”

Section: Zeolites On Consolidated (Structured) Supports Via Coatingmentioning

confidence: 99%

Hierarchy concepts: classification and preparation strategies for zeolite containing materials with hierarchical porosity

et al. 2016

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'Hierarchy' is a property which can be attributed to a manifold of different immaterial systems, such as ideas, items and organisations or material ones like biological systems within living organisms or artificial, man-made constructions. The property 'hierarchy' is mainly characterised by a certain ordering of individual elements relative to each other, often in combination with a certain degree of branching.Especially mass-flow related systems in the natural environment feature special hierarchically branched patterns. This review is a survey into the world of hierarchical systems with special focus on hierarchically porous zeolite materials. A classification of hierarchical porosity is proposed based on the flow distribution pattern within the respective pore systems. In addition, this review might serve as a toolbox providing several synthetic and post-synthetic strategies to prepare zeolitic or zeolite containing material with tailored hierarchical porosity. Very often, such strategies with their underlying principles were developed for improving the performance of the final materials in different technical applications like adsorptive or catalytic processes. In the present review, besides on the hierarchically porous allzeolite material, special focus is laid on the preparation of zeolitic composite materials with hierarchical porosity capable to face the demands of industrial application.

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Section: Zeolites On Consolidated (Structured) Supports Via Coatingmentioning

confidence: 99%

Hierarchy concepts: classification and preparation strategies for zeolite containing materials with hierarchical porosity

et al. 2016

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Synthesis of Engineered Zeolitic Materials: From Classical Zeolites to Hierarchical Core–Shell Materials

2018

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The term "engineered zeolitic materials" refers to a class of materials with a rationally designed pore system and active-sites distribution. They are primarily made of crystalline microporous zeolites as the main building blocks, which can be accompanied by other secondary components to form composite materials. These materials are of potential importance in many industrial fields like catalysis or selective adsorption. Herein, critical aspects related to the synthesis and modification of such materials are discussed. The first section provides a short introduction on classical zeolite structures and properties, and their conventional synthesis methods. Then, the motivating rationale behind the growing demand for structural alteration of these zeolitic materials is discussed, with an emphasis on the ongoing struggles regarding mass-transfer issues. The state-of-the-art techniques that are currently available for overcoming these hurdles are reviewed. Following this, the focus is set on core-shell composites as one of the promising pathways toward the creation of a new generation of highly versatile and efficient engineered zeolitic substances. The synthesis approaches developed thus far to make zeolitic core-shell materials and their analogues, yolk-shell, and hollow materials, are also examined and summarized. Finally, the last section concisely reviews the performance of novel core-shell, yolk-shell, and hollow zeolitic materials for some important industrial applications.

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Micro‐Macroporous Structured Zeolite

Cited by 2 publications

References 81 publications

Hierarchy concepts: classification and preparation strategies for zeolite containing materials with hierarchical porosity

Hierarchy concepts: classification and preparation strategies for zeolite containing materials with hierarchical porosity

Synthesis of Engineered Zeolitic Materials: From Classical Zeolites to Hierarchical Core–Shell Materials

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