particle formation with supercritical fluids challenges and limitations supercritical fluid science and technology

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Particle Formation With Supercritical Fluids

Author : Michael Türk
ISBN : 9780444594433
Genre : Science
File Size : 30. 57 MB
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Particle formation with supercritical fluids is a promising alternative to conventional precipitation processes as it allows the reduction of particle size and control of morphology and particle size distribution without degradation or contamination of the product. The book comprehensively examines the current status of research and development and provides perspectives and insights on promising future directions. The introduction to high pressure and high temperature phase equilibria and nucleation phenomena provides the basic principles of the underlying physical and chemical phenomena, allowing the reader an understanding of the relationship between process conditions and particle characteristics. Bridging the gap between theory and application, the book imparts the scientific and engineering fundamentals for innovative particle formation processes. The interdisciplinary "modus operandi" will encourage cooperation between scientists and researchers from different but complementary disciplines. Focuses on the general principles of particle formation in supercritical fluids Considers high pressure and high temperature phase equilibria, fluid dynamics and nucleation theory Discusses the underlying physical and chemical phenomena needed to understand the different applications, pointing out the relationship between process conditions and product properties

In Situ Spectroscopic Techniques At High Pressure

Author : Andreas Braeuer
ISBN : 9780444634207
Genre : Science
File Size : 49. 25 MB
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In situ Spectroscopic Techniques at High Pressure provides a comprehensive treatment of in-situ applications of spectroscopic techniques at high pressure and their working principles, allowing the reader to develop a deep understanding of which measurements are accessible with each technique, what their limitations are, and for which application each technique is best suited. Coverage is also given to the instrumental requirements for these applications, with respect to the high pressure instrumentation and the spectroscopic components of the equipment. The pedagogical style of the book is supplemented by the inclusion of "study questions" which aim to make it useful for graduate-level courses. Bridges the gap between supercritical fluid science/technology and in-situ spectroscopic techniques Provides a powerful guide to applying spectroscopic techniques as gainful sensors at high pressure Highlights the influence of a high pressure environment and high pressure equipment on spectroscopic techniques Presents a deep understanding of which measurements are accessible with each technique, what their limitations are, and for which application each technique is best suited

Current Trends Of Supercritical Fluid Technology In Pharmaceutical Nutraceutical And Food Processing Industries

Author : Ana Rita C. Duarte
ISBN : 9781608050468
Genre : Medical
File Size : 21. 33 MB
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Supercritical fluid technology can be seen as a green and environmentally friendly alternative to conventional. Current information on these topics is spread through different publications in different peer-reviewed journals. the editors were therefore of the opinion that this information should be gathered in an Ebook which presents some reviews on these topics which should be of major interest not only for the academia but also for the industry.

Supercritical Fluids

Author : E. Kiran
ISBN : 9789401139298
Genre : Science
File Size : 32. 92 MB
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Supercritical fluids are neither gas nor liquid, but can be compressed gradually from low to high density and they are therefore interesting and important as tunable solvents and reaction media in the chemical process industry. By adjusting the density the properties of these fluids can be customised and manipulated for a given process - physical or chemical transformation. Separation and processing using supercritical solvents such as CO2 are currently on-line commercially in the food, essential oils and polymer industries. Many agencies and industries are considering the use of supercritical water for waste remediation. Supercritical fluid chromatography represents another, major analytical application. Significant advances have recently been made in materials processing, ranging from particle formation to the creation of porous materials. The chapters in this book provide tutorial accounts of topical areas centred around: (1) phase equilibria, thermodynamics and equations of state; (2) critical behaviour, crossover effects; (3) transport and interfacial properties; (4) molecular modelling, computer simulation; (5) reactions, spectroscopy; (6) phase separation kinetics; (7) extractions; (8) applications to polymers, pharmaceuticals, natural materials and chromatography; (9) process scale-up.

Handbook Of Silicon Wafer Cleaning Technology

Author : Karen Reinhardt
ISBN : 9780323510851
Genre : Technology & Engineering
File Size : 37. 28 MB
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Handbook of Silicon Wafer Cleaning Technology, Third Edition, provides an in-depth discussion of cleaning, etching and surface conditioning for semiconductor applications. The fundamental physics and chemistry associated with wet and plasma processing are reviewed, including surface and colloidal aspects. This revised edition includes the developments of the last ten years to accommodate a continually involving industry, addressing new technologies and materials, such as germanium and III-V compound semiconductors, and reviewing the various techniques and methods for cleaning and surface conditioning. Chapters include numerous examples of cleaning technique and their results. The book helps the reader understand the process they are using for their cleaning application and why the selected process works. For example, discussion of the mechanism and physics of contamination, metal, particle and organic includes information on particle removal, metal passivation, hydrogen-terminated silicon and other processes that engineers experience in their working environment. In addition, the handbook assists the reader in understanding analytical methods for evaluating contamination. The book is arranged in an order that segments the various cleaning techniques, aqueous and dry processing. Sections include theory, chemistry and physics first, then go into detail for the various methods of cleaning, specifically particle removal and metal removal, amongst others. Focuses on cleaning techniques including wet, plasma and other surface conditioning techniques used to manufacture integrated circuits Reliable reference for anyone that manufactures integrated circuits or supplies the semiconductor and microelectronics industries Covers processes and equipment, as well as new materials and changes required for the surface conditioning process

Supercritical Fluid Technology In Materials Science And Engineering

Author : Ya-Ping Sun
ISBN : 9780824744717
Genre : Science
File Size : 86. 89 MB
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This title analyzes the chemical reactions, structures and fundamental properties of supercritical fluid systems for the production of new compounds, nanomaterials, fibers, and films. It complies contemporary research and technological advances for increased selectivity and reduced waste in chemical, industrial, pharmaceutical, and biomedical applications. Topics include fluid dynamics, catalysis, hydrothermal synthesis, surfactants, conducting polymers, crystal growth, and other aspects and applications of supercritical fluids.

Innovations In Supercritical Fluids

Author : Keith W. Hutchenson
ISBN : UOM:39015031855532
Genre : Science
File Size : 42. 35 MB
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Presents an overview of supercritical fluid science and technology with emphasis on developments in solubility and modeling. Provides comprehensive coverage of current research, including molecular interactions and simulations, phase behavior, chemical reactions in supercritical fluids, supercritical water oxidation, and forest products applications. Addresses various aspects of the supercritical water oxidation process, including fundamental kinetics and modeling, simulations of hydrogen bonding and solvation, catalysis, use of unconventional oxidants, corrosion issues, reactor design and simulation, and applications. Includes a new technique for the rapid and accurate mapping of critical curve phase boundaries.

Scientific And Technical Aerospace Reports

Author :
ISBN : UOM:39015038704980
Genre : Aeronautics
File Size : 65. 37 MB
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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Government Reports Announcements Index

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ISBN : MSU:31293011225368
Genre : Science
File Size : 61. 86 MB
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Dissertation Abstracts International

Author :
ISBN : STANFORD:36105121649185
Genre : Science
File Size : 87. 69 MB
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