Porosity In Carbons
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Porosity In Carbons
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Author : John W. Patrick
language : en
Publisher: John Wiley & Sons Incorporated
Release Date : 1995
Porosity In Carbons written by John W. Patrick and has been published by John Wiley & Sons Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.
Porous activated carbons are manufactured from a range of materials and have wide uses in industry for gas and liquid adsorption processes. Written by experts from around the world, this book covers the production, properties and applications of porous carbon.
Effect Of Porous Structure On Carbon Activation
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Author : Colorado. University. Chemical Engineering Department
language : en
Publisher:
Release Date : 1971
Effect Of Porous Structure On Carbon Activation written by Colorado. University. Chemical Engineering Department and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Carbon, Activated categories.
Porous Carbons
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Author : Feiyu Kang
language : en
Publisher: Elsevier
Release Date : 2021-11-04
Porous Carbons written by Feiyu Kang and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-04 with Technology & Engineering categories.
Carbon materials form pores ranging in size and morphology, from micropores of less than 1nm, to macropores of more than 50nm, and from channel-like spaces with homogenous diameters in carbon nanotubes, to round spaces in various fullerene cages, including irregularly-shaped pores in polycrystalline carbon materials. The large quantity and rapid rate of absorption of various molecules made possible by these attributes of carbon materials are now used in the storage of foreign atoms and ions for energy storage, conversion and adsorption, and for environmental remediation. Porous Carbons: Syntheses and Applications focuses on the fabrication and application of porous carbons. It considers fabrication at three scales: micropores, mesopores, and macropores. Carbon foams, sponges, and 3D-structured carbons are detailed. The title presents applications in four key areas: energy storage, energy conversion, energy adsorption, including batteries, supercapacitors, and fuel cells and environmental remediation, emphasizing the importance of pore structures at the three scales, and the diffusion and storage of various ions and molecules. The book presents a short history of each technique and material, and assesses advantages and disadvantages. This focused book provides researchers with a comprehensive understanding of both pioneering and current synthesis techniques for porous carbons, and their modern applications. Presents modern porous carbon synthesis techniques and modern applications of porous carbons Presents current research on porous carbons in energy storage, conversion and adsorption, and in environmental remediation Provides a history and assessment of both pioneering and current cutting-edge synthesis techniques and materials Covers a significant range of precursor materials, preparation techniques, and characteristics Considers the future development of porous carbons and their various potential applications
Porous Carbon Materials From Sustainable Precursors
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Author : Robin J White
language : en
Publisher: Royal Society of Chemistry
Release Date : 2015-02-11
Porous Carbon Materials From Sustainable Precursors written by Robin J White and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-11 with Science categories.
Porous carbon materials are at the heart of many applications, including renewable energy storage and generation, due to their superior physical properties and availability. The environmentally-friendly production of these materials is crucial for a sustainable future. This book focuses on the transformation of sustainable precursors into functional, porous carbonaceous materials via the two most significant approaches: Starbon® and Hydrothermal Carbonisation. Covering cutting-edge research and emerging areas, chapters cover applications of porous carbon materials in catalysis and separation science as well as in energy science. Moreover, the challenges of characterization of these materials and their commercialization are explained by worldwide experts. The content will be accessible and valuable to post-graduate students and senior researchers alike and it will serve as a significant reference for academics and industrialists working in the areas of materials science, catalysis and separation science.
Development Of Tannin Derived Porous Carbons With Tailored Porosity For Carbon Dioxide Adsorption
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Author : Jenjira Phuriragpitikhon
language : en
Publisher:
Release Date : 2021
Development Of Tannin Derived Porous Carbons With Tailored Porosity For Carbon Dioxide Adsorption written by Jenjira Phuriragpitikhon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Porous carbons are promising candidates for CO2 adsorption because of high surface area, good thermal and chemical stability, easy regeneration, widely available precursors, and ability of tailoring their porous structure and surface chemistry. High CO2 adsorption capacity under atmospheric conditions is primarily governed by the volume of micropores below 1 nm. Therefore, the post-synthesis chemical or physical activations of carbons are usually applied to enhance microporosity. This process usually involves harsh chemicals (e.g., KOH and ZnCl2) and high activation temperature. In addition, the presence of mesopores (2-50 nm) is also beneficial for CO2 capture because these pores facilitate CO2 diffusion. Thus, carbons that possess a high fraction of small micropores and suitable amount of mesopores would be ideal materials for high CO2 uptake. Phenolic resins (PRs) produced by polymerization between phenolic compounds and formaldehyde are often used carbon precursors for the synthesis of mesoporous carbons due to easy preparation. Although they are convenient precursors, PRs are highly toxic and expensive. Biomass gains a lot of attention as an alternative carbon source in economic and environmentally friendly production of carbons. However, the biomass derived carbons often have irregular porous structure and low surface area. Therefore, it is very challenging to find an effective synthesis strategy to obtain carbons with tailored porosity from diverse biomass sources. The goal of this dissertation was to develop the facile and eco-friendly synthesis routes for the preparation of micro-mesoporous carbons for superior CO2 uptake. The synthesis was designed based on green chemistry requirements, which includes the use of renewable feedstock and less toxic reagents for the carbon preparation. Porous carbons reported in this dissertation were prepared from condensed tannins, which are natural phenolic compounds, instead of synthetic phenolic compounds as carbon precursors. Tannin derived mesoporous carbons were prepared via the soft templating method in the presence of Pluronic F127 block copolymer. To enhance the porosity in the resulting carbons, two activation strategies were carried out instead of the post-synthesis activation with corrosive KOH and the conventional CO2 activation: i) an in-situ chemical activation with safer potassium salts (potassium oxalate and potassium citrate) and ii) one-step CO2 activation at relatively low temperature. The designed synthesis methods make the synthesis process faster and more eco-friendly while still achieving high microporosity and keeping the mesoporous structure as well as morphology of the resulting carbon samples. The CO2 adsorption capacities measured for the carbon samples studied at ambient conditions are comparable to those of other activated carbons derived from tannins and some different carbon precursors.
Porous Carbons
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Author : Michio Inagaki
language : en
Publisher:
Release Date : 2023
Porous Carbons written by Michio Inagaki and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with Carbon categories.
Introduction To Carbon Science
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Author : Ian A. S. Edwards
language : en
Publisher: Butterworth-Heinemann
Release Date : 2013-10-22
Introduction To Carbon Science written by Ian A. S. Edwards and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
Introduction to Carbon Science deals with various aspects of carbon science, from polymer science and prosthetics to crystallography, carbonization, spectroscopy, and surface science. Topics covered include the mechanisms of formation of isotropic and anisotropic carbons, physical properties of pitch relevant to the fabrication of carbon materials; kinetics and catalysis of carbon gasification; and porosity in carbons and graphites. Carbon fibers, cokes and composites, and coal to coke transformations are also discussed. This book is comprised of nine chapters and begins with an overview of the basic structural features of carbon materials, along with definitions of the various carbon forms encountered in carbon science. The principal techniques for studying the structure of solid carbons are also considered. The reader is then introduced to the mechanisms underlying the formation of isotropic and anisotropic carbons; the physicochemical changes that take place when pitch is pyrolyzed to carbon; and kinetics and catalysis of carbon gasification reactions. The following chapters explore various types of porosity in carbons and graphites; manufacture, properties, structure, and applications of carbon fibers; and mechanical properties of cokes and composites. This text concludes by describing the conversion of coal to coke. This monograph will be of interest to carbon scientists, technologists, and engineers, as well as those entering the field of carbon science for the first time.
Porous Carbon Solids
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Author : Raymond Leslie Bond
language : en
Publisher: Academic Press
Release Date : 1967
Porous Carbon Solids written by Raymond Leslie Bond and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Science categories.
Porosity
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Author : Taher Ghrib
language : en
Publisher: BoD – Books on Demand
Release Date : 2018-04-26
Porosity written by Taher Ghrib and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-26 with Science categories.
This book discusses multiways in the porous materials. It involves materials with a large number of holes, and it highlights the synthesis, structure, and surface properties of porous materials closely related to more applications, such as support, catalyst, energy storage, chemical reactions, and optical applications. It studies the effect of the filling materials, the thermal treatments, and the porous density in the improvement of physical properties, electrical and energy efficiency, and the generation of new materials. Some synthetic process will be discussed with the effect of some parameters on the final characteristics of the prepared porous structures.
Physical Adsorption And The Porosity Of Carbons With Special Reference To The Structure Of Micropores
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Author :
language : en
Publisher:
Release Date :
Physical Adsorption And The Porosity Of Carbons With Special Reference To The Structure Of Micropores written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The problem of porosity in carbonaceous materials is briefly reviewed. Microporosity is investigated from the point of view of physical adsorption from the gas phase on graphite-like surfaces. Theoretical considerations show that the micropores can be treated as slots between the graphitic planes of the microcrystallites. The minima of the adsorption potentials are derived from the limiting heats of adsorption, measured by GSC.