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Author: Diana Iruretagoyena Ferrer Publisher: Springer ISBN: 3319412760 Category : Technology & Engineering Languages : en Pages : 234
Book Description
This thesis presents a combination of material synthesis and characterization with process modeling. In it, the CO2 adsorption properties of hydrotalcites are enhanced through the production of novel supported hybrids (carbon nanotubes and graphene oxide) and the promotion with alkali metals. Hydrogen is regarded as a sustainable energy carrier, since the end users produce no carbon emissions. However, given that most of the hydrogen produced worldwide comes from fossil fuels, its potential as a carbon-free alternative depends on the ability to capture the carbon dioxide released during manufacture. Sorption-enhanced hydrogen production, in which CO2 is removed as it is formed, can make a major contribution to achieving this. The challenge is to find solid adsorbents with sufficient CO2 capacity that can work in the right temperature window over repeated adsorption-desorption cycles. The book presents a highly detailed characterization of the materials, together with an accurate measurement of their adsorption properties under dry conditions and in the presence of steam. It demonstrates that even small quantities of graphene oxide provide superior thermal stability to hydrotalcites due to their compatible layered structure, making them well suited as volume-efficient adsorbents for CO2. Lastly, it identifies suitable catalysts for the overall sorption-enhanced water gas shift process.
Author: Diana Iruretagoyena Ferrer Publisher: Springer ISBN: 3319412760 Category : Technology & Engineering Languages : en Pages : 234
Book Description
This thesis presents a combination of material synthesis and characterization with process modeling. In it, the CO2 adsorption properties of hydrotalcites are enhanced through the production of novel supported hybrids (carbon nanotubes and graphene oxide) and the promotion with alkali metals. Hydrogen is regarded as a sustainable energy carrier, since the end users produce no carbon emissions. However, given that most of the hydrogen produced worldwide comes from fossil fuels, its potential as a carbon-free alternative depends on the ability to capture the carbon dioxide released during manufacture. Sorption-enhanced hydrogen production, in which CO2 is removed as it is formed, can make a major contribution to achieving this. The challenge is to find solid adsorbents with sufficient CO2 capacity that can work in the right temperature window over repeated adsorption-desorption cycles. The book presents a highly detailed characterization of the materials, together with an accurate measurement of their adsorption properties under dry conditions and in the presence of steam. It demonstrates that even small quantities of graphene oxide provide superior thermal stability to hydrotalcites due to their compatible layered structure, making them well suited as volume-efficient adsorbents for CO2. Lastly, it identifies suitable catalysts for the overall sorption-enhanced water gas shift process.
Author: Rajib Lochan Goswamee Publisher: Nova Science Publishers ISBN: 9781685073817 Category : Electronic books Languages : en Pages : 407
Book Description
"Currently, Layered Double Hydroxides (LDH) is a hot area of research on inorganic layered materials. The present book, Applications of Layered Double Hydroxides, edited by Dr. Rjib Lochan Goswamee and Dr. Pinky Saikia, is a collection of articles from various researchers from different parts of the world mainly on structure and property relationships of various types of LDH and their related application prospects. How these application prospects can be related to the most pressing problems of humanity like drug delivery, global warming, green catalysis, electrochemical energy storage and generation etc. are clearly discussed in the articles inside. The book provides a thorough up-to-date review of recent literature on applications of LDH available in the global scientific and technical media. For example, the book lucidly describes the behaviour of LDH nanocarriers in biological fluids, their low cytotoxicity and high levels of cellular internalization, and high drug loading capacity. Similarly, the book examines why hybrid nanocomposites of LDH-MOF are considered promising materials due to their diverse functionality, flexible properties and tailored end-use properties. Likewise, application of LDH in secondary batteries and electro-chemical supercapacitors with a thorough up-to-date review is included in the book. Also, basic research articles on structural properties and measurements of a special class of unique LDH Li-Al-LDHs are included. Editors also have written their own articles on their findings on the prospective application of dispersions of LDH nanocomposites on structured catalysts for green-house gas emission. Overall, the book gives a short glimpse of wonderful opportunities that LDH can provide in solving many global socio-economic problems of today"--
Author: George Kyzas Publisher: BoD – Books on Demand ISBN: 1838801138 Category : Science Languages : en Pages : 192
Book Description
The book deliberately keeps background information to a minimum, instead it comprehensively covers adsorption of liquid solutions, the difference between equilibrium individual solute uptake and surface excess, a general discussion of adsorbate uptake mechanisms and uptake rate expression, uptake steps, performance models and their generalizations, application of performance models, and design methods based on the constant behavior assumption, and the unused bed length concept.
Author: Sabu Thomas Publisher: Woodhead Publishing ISBN: 0081019041 Category : Technology & Engineering Languages : en Pages : 886
Book Description
Nanocomposites based on layered double hydroxides (LDHs) have recently become a formidable research area due to their amendable properties and potential applications. The distinct properties of LDH polymer nanocomposites include a wide range of chemical compositions, structural homogeneity, unique anion exchanging ability, easy synthesis, high bound water content, memory effect, non-toxicity and biocompatibility. This means that LDH polymer nanocomposites have the potential for new and innovative applications. Layered Double Hydroxide Polymer Nanocomposites presents a comprehensive overview of the recent innovative advances in the fabrication, characterization and applications of LDH polymer nanocomposites. As well as covering fundamental structural and chemical knowledge, this book also explores various properties and characterization techniques including microscopic, spectroscopic and mechanical behaviors. There is also a strong focus on the potential applications of LDH polymer nanocomposites, such as energy, electrical and electronic, electromagnetic shielding, biomedical, agricultural, food packaging and water purification functions. This book provides comprehensive coverage of cutting-edge research in the field of LDH polymer nanocomposites and their future applications. This book will be an essential read for all academics, researchers, engineers and students working in this area. - Fundamental knowledge of LDH polymer nanocomposites, including chemical composition, structural features and fabrication techniques - Provides an analytical overview of the different types of characterization techniques and technologies - Extensive review on cutting-edge research for potential future applications, in a variety of industries
Author: Publisher: Elsevier ISBN: 0444595015 Category : Technology & Engineering Languages : en Pages : 435
Book Description
Natural gas continues to be the fuel of choice for power generation and feedstock for a range of petrochemical industries. This trend is driven by environmental, economic and supply considerations with a balance clearly tilting in favor of natural gas as both fuel and feedstock. Despite the recent global economic uncertainty, the oil and gas industry is expected to continue its growth globally, especially in emerging economies. The expansion in LNG capacity beyond 2011 and 2012 coupled with recently launched and on-stream GTL plants poses real technological and environmental challenges. These important developments coupled with a global concern on green house gas emissions provide a fresh impetus to engage in new and more focused research activities aimed at mitigating or resolving the challenges facing the industry.Academic researchers and plant engineers in the gas processing industry will benefit from the state of the art papers published in this collection that cover natural gas utilization, sustainability and excellence in gas processing. - Provides state-of-the-art contributions in the area of gas processing - Covers solutions to technical and environmental problems - Input from academia and industry
Author: Qiang Wang Publisher: Royal Society of Chemistry ISBN: 1788014928 Category : Technology & Engineering Languages : en Pages : 362
Book Description
Using inorganic solid adsorbents/sorbents is a promising approach for carbon dioxide (CO2) capture and is attracting intense attention from both academic and industrial fields. Pre-combustion Carbon Dioxide Capture Materials presents a range of the different inorganic materials that can be used as pre-combustion CO2 adsorbents/sorbents with specific emphasis on their design, synthesis, characterization, performance, and mechanism. Dedicated chapters cover layered double hydroxide (LDH) derived adsorbents, MgO-based adsorbents, CaO-based sorbents and alkali ceramics based sorbents. Edited and written by world-renowned scientists in each class of CO2 capture material, this book will provide a comprehensive introduction for advanced undergraduates, postgraduates and researchers wishing to learn about the topic.
Author: Chandrabhan Verma Publisher: Elsevier ISBN: 0443184577 Category : Technology & Engineering Languages : en Pages : 729
Book Description
Adsorption through Advanced Nanoscale Materials: Applications in Environmental Remediation brings together the latest developments in the utilization of advanced nanoadsorbents in wastewater treatment, pollution control, removal and remediation, gas separation and other environmental applications. The book begins by providing an overview of absorption, adsorbents and nanoadsorbents, introducing properties, classification, synthesis, characterization, enhancement of adsorption capabilities, principles and advantages and disadvantages of nanoadsorbents. Other sections cover the preparation of advanced nanoadsorbents based on specific materials for wastewater treatment, including adsorbents incorporating carbon nanotubes, graphene and graphene oxide, carbon dots and fullerene, polymer nanocomposites, metal oxides, nanoclay, nanofillers, and filtration membranes. Final sections examine the role of nanoadsorbents in broader environmental applications, including areas such as pollution control and removal and gas separation. Finally, other important considerations are studied, including toxicity and health impact, ecotoxicological effects, commercialization and economic issues, challenges and research gaps, trends, and future opportunities. - Provides in-depth coverage of nanoadsorbents for a range of targeted environmental applications - Covers, in detail, fundamentals such as synthesis methods, characterization and inhibition mechanisms - Addresses key areas such as toxicity, health impact, research gaps, trends and commercialization
Author: Sergio Morales-Torres Publisher: MDPI ISBN: 3039282247 Category : Technology & Engineering Languages : en Pages : 188
Book Description
Carbon materials are one of the most fascinating materials because of their unique properties and potential use in several applications. They can be obtained from residues or by using advanced synthesis technologies like chemical vapor deposition. The carbon family is very broad, ranging from classical activated carbons to more advanced species such as carbon nanotubes and graphene. The surface chemistry is one of the most interesting aspects of this broad family of materials, which allows the incorporation of different types of chemical functionalities or heteroatoms on the carbon surface, such as O, N, B, S, or P, which can modify the acid–base character, hydrophobicity/hydrophilicity, or the electronic properties of these materials and, thus, determine the final application. This book represents a collection of original research articles and communications focused on the synthesis, properties, and applications of heteroatom-doped functional carbon materials.
Author: Juan Carlos Serrano-Ruiz Publisher: CRC Press ISBN: 1771882212 Category : Science Languages : en Pages : 324
Book Description
This title includes a number of Open Access chapters.Sustainability demands that we meet the needs of our present world without compromising the needs of future generations. As a result, sources and methodologies for renewable energy are being urgently investigated. Biomassoffers one of the most readily implemented, low-cost alternatives to fossil
Author: Diana Iruretagoyena Ferrer
Author: Diana Iruretagoyena Ferrer
Author: Rajib Lochan Goswamee
Author: George Kyzas
Author: Sabu Thomas
Author: Diana Iruretagoyena Ferrer
Author: 
Author: Qiang Wang
Author: Chandrabhan Verma
Author: Sergio Morales-Torres
Author: Juan Carlos Serrano-Ruiz