Synthesis of Nanostructured Materials in Near and or Supercritical Fluids

Synthesis of Nanostructured Materials in Near and or Supercritical Fluids
Author: Can Erkey,Michael Turk
Publsiher: Elsevier
Total Pages: 284
Release: 2021-11-27
Genre: Technology & Engineering
ISBN: 9780444640901

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Synthesis of Nanostructured Materials in Near and/or Supercritical Fluids: Methods, Fundamentals and Modeling offers a comprehensive review of the current status of research, development and insights on promising future directions, covering the synthesis of nanostructured materials using supercritical fluid-based processes. The book presents fundamental aspects such as high-pressure phase behavior of complex mixtures, thermodynamics and kinetics of adsorption from supercritical solutions, mechanisms of particle formation phenomena in supercritical fluid-based processes, and models for further development. It bridges the gap between theory and application, and is a valuable resource for scientists, researchers and students alike. Includes thermodynamic and mass transfer data necessary for industrial plant design Explains the mechanisms of reactions in a supercritical fluid environment Lists numerous industrial processes for the production of many consumer products

Supercritical Fluid Nanotechnology

Supercritical Fluid Nanotechnology
Author: Concepcion Domingo Pascual,Pascale Subra-Paternault
Publsiher: Pan Stanford
Total Pages: 450
Release: 2015-05-31
Genre: Science
ISBN: 9814613401

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The environmental and climate program demands technological solutions in the chemical industry that incorporate prevention of pollution. Major advances are needed to reduce the use of organic solvents, such as methanol, toluene, xylene, methyl ethyl ketone, and dichloromethane, which account for 27 percent of total toxics release inventory chemicals. The replacement of those solvents is a key point to enable the transition from classical synthesis to green chemistry and nanotechnology concepts, i.e., to sustainability. The first radical option to achieve this goal is to completely avoid the use of solvents, as occurs in mechanochemical processes. A wide-range synthesis prospect is given by identifying between known solvents those with less negative environmental impact. This book concerns the analysis of the advantages of using compressed CO2 to produce not only improved materials in a better way, but also new nanoproducts. Recovering and using CO2, otherwise released into the atmosphere, is a means of recycling emissions resulting from other users. The use of supercritical CO2 is a complex option from a conceptual point of view requiring enhanced technical preparation.

Supercritical Fluid Technology in Materials Science and Engineering

Supercritical Fluid Technology in Materials Science and Engineering
Author: Ya-Ping Sun
Publsiher: CRC Press
Total Pages: 597
Release: 2002-03-26
Genre: Science
ISBN: 9780824744717

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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.

Supercritical Fluids and Organometallic Compounds

Supercritical Fluids and Organometallic Compounds
Author: Can Erkey
Publsiher: Elsevier
Total Pages: 248
Release: 2011-10-27
Genre: Science
ISBN: 9780080914480

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Organometallic compounds are utilized as reagents in the preparation and processing of advanced nanostructured materials, as catalysts in the production of a wide variety of specialty chemicals and polymers, and as drugs. Supercritical fluid science and technology has a wide variety of applications ranging from extraction of pharmaceutically active compounds to the synthesis of advanced materials. The combination of organometallic chemistry and supercritical fluids has significant potential. This book covers the fundamental aspects and related applications in this rapidly growing area. Covers the preparation of nanostructured composite materials using supercritical fluids Focuses on the intersection of organometallic chemistry and supercritical fluids Addresses the behavior of organometallic compounds in supercritical fluid environments

Rapid Production of Micro and Nano particles Using Supercritical Water

Rapid Production of Micro  and Nano particles Using Supercritical Water
Author: Zhen Fang
Publsiher: Springer Science & Business Media
Total Pages: 109
Release: 2010-07-24
Genre: Technology & Engineering
ISBN: 9783642129872

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This book details progress in use of supercritical water (SCW) to synthesize nano- and micro- oxides, inorganic salts and metal particles, and shows how polymer/biomass particles can be produced by the precipitation of solutes from SCW.

Nanostructured Materials

Nanostructured Materials
Author: Jackie Ying
Publsiher: Academic Press
Total Pages: 244
Release: 2001-12-14
Genre: Medical
ISBN: 0127444513

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This thematic volume of Advances in Chemical Engineering presents the latest advances in the exciting interdisciplinary field of nanostructured materials. Written by chemical engineers, chemists, physicists, materials scientists, and bioengineers, this volume focuses on the molecular engineering of materials at the nanometer scale for unique size-dependent properties. It describes a "bottom-up" approach to designing nanostructured systems for a variety of chemical, physical, and biological applications.

Foaming with Supercritical Fluids

Foaming with Supercritical Fluids
Author: Ernesto Di Maio,Salvatore Iannace,Giuseppe Mensitieri
Publsiher: Elsevier
Total Pages: 486
Release: 2021-11-06
Genre: Science
ISBN: 9780444637369

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Foaming with Supercritical Fluids, Volume Nine provides a comprehensive description of the use of supercritical fluids as blowing agents in polymer foaming. To this aim, the fundamental issues on which the proper design and control of this process are rooted are discussed in detail, with specific attention devoted to the theoretical and experimental aspects of sorption thermodynamics of a blowing agent within a polymer, the effect of the absorbed blowing agent on the thermal, interfacial and rheological properties of the expanding matter, and the phase separation of the gaseous phase, and of the related bubble nucleation and growth phenomena. Several foaming technologies based on the use of supercritical blowing agents are then described, addressing the main issues in the light of the underlying chemical-physical phenomena. Offers strong fundamentals on polymer properties important on foaming Outlines the use of supercritical fluids for foaming Covers theoretical points-of-view, including foam formation of the polymer/gas solution to the setting of the final foam Discusses the several processing technologies and applications

Green Sustainable Process for Chemical and Environmental Engineering and Science

Green Sustainable Process for Chemical and Environmental Engineering and Science
Author: Dr. Inamuddin,Tariq Altalhi,Mohammad Abu Jafar Mazumder
Publsiher: Elsevier
Total Pages: 356
Release: 2023-04-29
Genre: Technology & Engineering
ISBN: 9780443187476

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Green Sustainable Process for Chemical and Environmental Engineering and Science: Applications of Advanced Nanostructured Materials in Wastewater Remediation reviews recent applications of nanostructured materials for remediation, their preparation, characterization and efficiency for water remediation technologies. The book provides ideas on how nanomaterials are the real solution to water purification or new environmental threat. Sections cover nanomaterial adsorbents, functionalized magnetic nanomaterials, nanostructured polymer hydrogels, carbon nanomaterials, biogenic nanoparticles, green chemistry concepts, aqua defluoridation and advanced remediation techniques. The book also includes the current status of wastewater treatment using nanomaterials, along with challenges and perspectives for further improvements. Provides an overview of the application of nanomaterials for wastewater remediation Targets the applications of nanomaterials in the environment Focuses on usage of polymeric nanocomposites, graphene-based composites, and magnetite nanoparticles for environmental remediation