Download or read book Supported Layered Double Hydroxides as CO2 Adsorbents for Sorption enhanced H2 Production written by Diana Iruretagoyena Ferrer and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Supported Layered Double Hydroxides as CO2 Adsorbents for Sorption enhanced H2 Production written by Diana Iruretagoyena Ferrer and published by Springer. This book was released on 2016-07-15 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Integrating Green Chemistry and Sustainable Engineering written by Shahid ul-Islam and published by John Wiley & Sons. This book was released on 2019-04-01 with total page 661 pages. Available in PDF, EPUB and Kindle. Book excerpt: This groundbreaking book covers the recent advances in sustainable technologies and developments, and describes how green chemistry and engineering practices are being applied and integrated in various industrial sectors. Over the past decade, the population explosion, rise in global warming, depletion of fossil fuel resources and environmental pollution have been the major driving force for promoting and implementing the principles of green chemistry and sustainable engineering in all sectors ranging from chemical to environmental sciences. It plays a growing role in the chemical processing industries. Green chemistry and engineering are relatively new areas focused on minimizing generations of pollution by utilizing alternative feedstocks, developing, selecting, and using less environmentally harmful solvents, finding new synthesis pathways, improving selectivity in reactions, generating less waste, avoiding the use of highly toxic compounds, and much more. In an effort to advance the discussion of green chemistry and engineering, this book contains 19 chapters describing greener approaches to the design and development of processes and products. The contributors describe the production of third generation biofuels, sustainable and economic production of hydrogen by water splitting using solar energy, efficient energy harvesting, mechanisms involved in the conversion of biomass, green nanocomposites, bio-based polymers, ionic liquids as green solvents, sustainable nitrogen fixation, bioremediation, and much more. The book aims at motivating chemists and engineers, as well as postgraduate and PhD students and postdocs to pay attention to an acute need for the implementation of green chemistry principles in the field of chemical engineering, biomedical engineering, agriculture, environmental engineering, chemical processing and material sciences.

Download or read book Sorption Enhanced Reaction Processes written by Alirio Egidio Rodrigues and published by World Scientific. This book was released on 2017-08-16 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book investigates the development of sorption enhanced reaction processes (SERPs) with detailed modelling and simulation, design and operation of units. SERPs are processes intensified by combining adsorption and reaction, reaction and membranes or reaction/adsorption/membranes in a single unit in order to overcome thermodynamic limitations of conversion in reversible reactions. The focus here is on gas phase and liquid phase processes involving different technologies, including pressure swing adsorptive reactors, membrane reactors and simulated moving bed reactors. Emphasis is also given to presenting data and practical applications of SERP products.Sorption Enhanced Reaction Processes provides undergraduate and graduate students of chemistry and chemical engineering, researchers and industrial engineers with a clear path towards process development of SERP, whatever the area of application.

Download or read book Hybrid Two step Preparation of Nanosized MgAl Layered Double Hydroxides for CO2 Adsorption written by Xiaogang Yang and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hybrid Two-step synthesis method for preparation of MgAl LDHs materials for CO2 adsorption has been employed because of the features of fast micromixing and enhanced mass transfer by using a ,ÄòT-mixer,Äô reactor. MgAl LDHs with different morphologies were successfully obtained by three different synthesis routes: ultrasonication-intensified in ,ÄòT-mixer,Äô (TU-LDHs), conventional co-precipitation (CC-LDHs) and ultrasonic-intensified in ,ÄòT-mixer,Äô pretreatment followed by conventional co-precipitation (TUC-LDHs). The synthesized samples characterized by the XRD showed that LDHs formed a typical layered double hydroxide structure and no other impurities were identified in the compound. The SEM and TEM analyses also confirmed that the size distribution of TUC-LDHs was relatively uniform (with an average size of approximate 100¬†nm) and layered structure was clearly visible. The BET characterization indicated that such LDHs had a large surface area (235¬†m2¬†g,àí1), which makes it a promising adsorbent material for CO2 capture in practical application. It can be found that the CO2 adsorption capacities of TU-LDHs, CC-LDHs and TUC-LDHs at 80¬∞C were 0.30, 0.22 and 0.28¬†mmol¬†g,àí1, respectively. The CO2 adsorption capacities of TU-LDHs, CC-LDHs and TUC-LDHs at 200¬∞C were 0.33, 0.25 and 0.36¬†mmol¬†g,àí1, respectively. The order of CO2 adsorption capacity to reach equilibrium at 80¬∞C seen in Avrami model is: TU-LDHs > TUC-LDHs > CC-LDHs. The CO2 adsorption/desorption cycling test reveals that TU-LDHs and TUC-LDHs have good adsorption stability than CC-LDHs.

Download or read book Pre combustion Carbon Dioxide Capture Materials written by Qiang Wang and published by Royal Society of Chemistry. This book was released on 2018-08-22 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to the different inorganic adsorbents/sorbents used in pre-combustion carbon dioxide capture.

Download or read book Resource Recovery and Recycling from Waste Metal Dust written by Daniel Ogochukwu Okanigbe and published by Springer Nature. This book was released on 2023-03-15 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines resource recovery and recycling from waste metal dust, including currently used techniques for waste processing and recycling and their applications, with practical examples and economic potentials of the processes. The focus of this book is on resource recovery by suitable treatments and techniques, including those of recovery by-products. For the first time, this book provides a comprehensive, one-stop reference including seminal principles and methods, the advantages and disadvantages of the processes discussed, and the economics of the technology. It will serve as a technical reference for working scientists and engineers, while serving as an educational reference to students studying the waste recovery of metals.

Download or read book The Use of Layered Double Hydroxides as Adsorbents for Carbon Dioxide written by Brian Darnell Shinall and published by . This book was released on 2003 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Advances in Bioenergy written by Peter D. Lund and published by John Wiley & Sons. This book was released on 2015-12-07 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing deployment of bioenergy frequently raises issues regarding the use of land and raw materials, infrastructure and logistics. In light of these sometimes conflicting interests Advances in Bioenergy provides an objective and wide-ranging overview of the technology, economics and policy of bioenergy. Offering an authoritative multidisciplinary summary of the opportunities and challenges associated with bioenergy utilization, with international researchers give up-to-date and detailed information on key issues for biomass production and conversion to energy. Key features: *Discusses different bioenergy uses such as transportation fuels, electricity and heat production. *Assesses emerging fields such as bio-based chemicals and bio-refineries. *Debates conditions for the mobilization of sustainable bioenergy supply chains and outlines governance systems to support this mobilization. * Dedicated chapters to sustainability governance and emerging tools such as certification systems and standards supporting growth of a sustainable bioenergy industry. *Considers the political, environmental, social and cultural context related to the demand for energy resources, the impact of this demand on the world around us, and the choices and behaviours of consumers. This book will be a vital reference to engineers, researchers and students that need an accessible overview of the bioenergy area. It will also be of high value for politicians, policymakers and industry leaders that need to stay up to date with the state-of-the-art science and technology in this area.

Download or read book CO2 Sequestration and Valorization written by Claudia R. V. Morgado and published by BoD – Books on Demand. This book was released on 2014-03-12 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reconciliation of economic development, social justice and reduction of greenhouse gas emissions is one of the biggest political challenges of the moment. Strategies for mitigating CO2 emissions on a large scale using sequestration, storage and carbon technologies are priorities on the agendas of research centres and governments. Research on carbon sequestration is the path to solving major sustainability problems of this century a complex issue that requires a scientific approach and multidisciplinary and interdisciplinary technology, plus a collaborative policy among nations. Thus, this challenge makes this book an important source of information for researchers, policymakers and anyone with an inquiring mind on this subject.

Download or read book Adsorption through Advanced Nanoscale Materials written by Chandrabhan Verma and published by Elsevier. This book was released on 2023-08-14 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book Advanced Biofuels written by Juan Carlos Serrano-Ruiz and published by CRC Press. This book was released on 2015-05-27 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book Nanoporous Materials for Gas Storage written by Katsumi Kaneko and published by Springer. This book was released on 2019-04-27 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book shows the promising future and essential issues on the storage of the supercritical gases, including hydrogen, methane and carbon dioxide, by adsorption with controlling the gas-solid interaction by use of designed nanoporous materials. It explains the reason why the storage of these gases with adsorption is difficult from the fundamentals in terms of gas-solid interaction. It consists of 14 chapters which describe fundamentals, application, key nanoporous materials (nanoporous carbon, metal organic frame works, zeolites) and their storage performance for hydrogen, methane, and carbon dioxide. Thus, this book appeals to a wide readership of the academic and industrial researchers and it can also be used in the classroom for graduate students focusing on clean energy technology, green chemistry, energy conversion and storage, chemical engineering, nanomaterials science and technology, surface and interface science, adsorption science and technology, carbon science and technology, metal organic framework science, zeolite science, nanoporous materials science, nanotechnology, environmental protection, and gas sensors.

Download or read book Layered Double Hydroxide based Core shells for CO2 Adsorption and Conversion written by Meng Lyu and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Carbon Nanomaterial Based Adsorbents for Water Purification written by Suprakas Sinha Ray and published by Elsevier. This book was released on 2020-06-27 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: The deterioration of water quality and unavailability of drinkable water are pressing challenges worldwide. The removal of toxic organic and inorganic pollutants from water is vital for a clean environment, as a response to water scarcity. Adsorption-based water technologies are among the most widely used because of their high efficiency and low cost, without relying on a complex infrastructure. In recent years, carbon nanomaterials (CNMs), such as graphene and derivatives, carbon nanotubes, carbon nanofibers, nanoporous carbon, fullerenes, graphitic carbon nitride, and nanodiamonds have been extensively exploited as adsorbents due to their extraordinary surface properties, ease of modification, large surface area, controlled structural varieties, high chemical stability, porosity, low density, ease of regeneration, and reusability. This book provides a thorough overview of the state of the art in carbon nanomaterials as they are used for adsorption applications in water purifications, as well as addressing their toxicological challenges. This volume primarily explores the fundamentals of adsorption, its mechanical aspects, synthesis and properties of CNMs, and adsorption performances of CNMs and their nanocomposites with organic and inorganic materials. Structural engineering and activation processes produce materials with enhanced adsorptive properties and separation efficiencies. Furthermore, the formation of CNMs with 2D and 3D macro-and microstructures and high porosities is a potential approach to improve adsorption performances and extend CNM use at the industrial level. The book also addresses important issues regarding these adsorbents that potentially affect future research and industrial applications of carbon-based nanoadsorbents in water security. Presents advances in multifunctional 3D superstructures of carbon nanomaterials and their composites for adsorption applications Outlines the fundamentals on synthesis and characterization techniques of carbon-based nanostructures and their composites Assesses the major toxicological challenges in using nanostructured materials as adsorbents for water purification

Download or read book Greenhouse Gases Sources Sinks and Mitigation written by Saurabh Sonwani and published by Springer Nature. This book was released on 2022-01-21 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book begins with a brief background on greenhouse gases sources and sinks and continues with a discussion in different sectors including forest fluxes to human health and modeling techniques to policy measures. The chapters explore in detail about the GHG emission budgets, mitigation strategies, technical advancement and input-output analysis. Greenhouse gases (GHGs) occur naturally in our atmosphere and are essential to the survival of most of the organisms on the planet earth. GHGs such as such as carbon dioxide, methane, nitrous oxide, and ozone etc. play a major role in balancing the radiative budget, by absorbing or emitting some of the infrared rays reflecting from the earth’s surface. But unfortunately, anthropogenic activities like use of fossil fuel, intensive agriculture and livestock farming, use of synthetic fertilizers, deforestation, and industrial processes etc. have drastically interfered in the natural air composition, by releasing excess greenhouse gases into the atmosphere. This has led to the increase in the ability of the atmosphere to absorb more infrared energy. This book is a complete information set covering all aspects of GHGs, sources, sinks and control/mitigation strategies. This book is also written in simple language with helpful photographs, diagrams and flowcharts which will make the reader comfortable in understanding the concepts a more relatively easier way. The book is a valuable tool for students in Environmental Science, Ecology, Biological Science, Economics and Agriculture. It is unique to environmental consultants, researchers and other professionals involved in climate change studies, Non-governmental organizations (NGO’s).

Download or read book Applications of Layered Double Hydroxides written by Rajib Lochan Goswamee and published by Nova Science Publishers. This book was released on 2021-11-29 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: "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"--