UID:
almahu_9948025694202882
Format:
1 online resource (771 p.)
ISBN:
1-281-78954-2
,
9786611789541
,
0-08-088711-2
Series Statement:
Studies in surface science and catalysis, 58
Content:
Zeolites and related molecular sieves have quickly become important pathways to new opportunities in the fields of oil processing and petrochemical synthesis. The signs of intense activity in both industry and academia are evident: burgeoning papers and patent applications; increasing numbers of industrial zeolite-based processes and their rapid expansion into organic chemicals manufacturing; recent progress in zeolite accessibility range, matrix behaviour, lattice components and satellite structures; and the recognition that zeolites, which are stable and can be regenerated, may be incorporat
Note:
"The Summer School on Zeolites, held in 1989 at Zeist, the Netherlands, on the occasion of the 8th International Conference on Zeolites"--Pref.
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Front Cover; Introduction to Zeolite Science and Practice; Copyright Page; Contents; Preface; List of contributors; Chapter 1. The zeolite scene; Introduction; What makes zeolites so special?; Zeolite applications; Zeolite market volume; Economic impact; Zeolite R&D; Zeolite networks; Conclusion; References; Chapter 2. Zeolites and molecular sieves. An historical perspective; Early history; Industrial history; The 80's; Review of molecular sieve and zeolite fundamentals; History of molecular sieve materials; History of synthesis; The future
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History of international conferences and organizationsHistorical epilogue; References; Chapter 3. Structural subunits in silicate and phosphate structures; Introduction; Some basic concepts; Structural subunits (SSU); Description of the structure types; Conclusions; References; Chapter 4. The preparation of molecular sieves; A. Synthesis of zeolites; Introduction; Preparatory; Zeolite product versus the synthesis mixture; The low temperature reaction mixture; The temperature raise of the reaction mixture; The high temperature reaction process; Isolation of the zeolite product
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Reaction parametersAll silica molecular sieves; Clathrasils; Examples of systematic research; Literature sources pertaining zeolite preparation aspects; References; B. Synthesis of AlPO4-based molecular sieves; Introduction; Historical background; AlP04-based molecular sieves; Synthesis; Other issues; Final Comments; References; Chapter 5. Modified zeolites; Introduction; Extraction of aluminum from zeolite frameworks; Cracking catalyst development: historically a question of stability; Methods for dealuminating zeolite Y; Effect of sodium content
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Aluminum extraction: characterization of framework and nonframework componentsSpectroscopic techniques applied to understanding dealumination; Application of surface spectroscopic techniques; Does getting there by a different route get you the same place; And then there is reality; Modification of high silica zeolite structures: Differences from zeolite; Reactions of zeolites with fluoride; Enhancement in activity in ZSM-5 with steam; Hydrothermal enhancement of activity in metallosilicates; CVD methods applied to zeolites: SiCl4 treatment; Insertion of silicon into AlPO4 structures
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CVD as a method of pore mouth restructuringInternal pore modification; Coming full circle: putting aluminum back into the structure; Conclusion; References; Chapter 6. Clays from two to three dimensions; Introduction; Smectites; Properties of smectites; Pillared clays; Conclusion; References; Chapter 7. Techniques of zeolite characterization; Introduction; Zeolite structure and structural defects; Pore structure of zeolites; Chemical composition of zeolites; Determination of the framework Si/Al ratio; Determination of zeolite acidity; Zeolite stability; Zeolite morphology and particle size
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References
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English
Additional Edition:
ISBN 0-444-88969-8
Language:
English
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