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Download or read book Methane Steam Reforming Using a Membrane Reactor Equipped with a Pd-based Composite Membrane for Effective Hydrogen Production written by and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrogen Production by Steam Methane Reforming in a Membrane Reactor Equipped with a Pd Composite Membrane Deposited on a Porous Stainless Steel written by and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Angelo Basile
Publisher : Elsevier
ISBN 13 : 0128183330
Total Pages : 412 pages
Book Rating : 4.1/5 (281 download)
Download or read book Current Trends and Future Developments on (Bio-) Membranes written by Angelo Basile and published by Elsevier. This book was released on 2020-01-05 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current Trends and Future Developments in (Bio-) Membranes: Recent Advances in Metallic Membranes presents recent developments in metallic membranes used in membrane reactors to save energy. It also offers a comprehensive review of the present state-of-the-art on the fabrication and design of metallic membranes and membrane reactors, considering various applications. This book focuses on the structure, preparation, characterization and applications of metallic membranes and membrane reactors, as well as transport mechanisms and simulation aspects. As recent research has focused on the development of metallic membranes and their applications, this book is an ideal reference on different production procedures and their use. Reviews metallic membranes research and applications Outlines the mechanisms of metallic membrane based processes Includes structure, preparation, characterization and properties of metallic membranes Highlights various applications of metallic membranes in energy production
Author : Anil K. Pabby
Publisher : CRC Press
ISBN 13 : 1003811604
Total Pages : 1334 pages
Book Rating : 4.0/5 (38 download)
Download or read book Handbook of Membrane Separations written by Anil K. Pabby and published by CRC Press. This book was released on 2023-12-22 with total page 1334 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third edition of the Handbook of Membrane Separations: Chemical, Pharmaceutical, Food, and Biotechnological Applications provides a comprehensive discussion of membrane applications. Fully updated to include the latest advancements in membrane science and technology, it is a one-of-its-kind overview of the existing literature. This fully illustrated handbook is written by experts and professionals in membrane applications from around the world. Key Features: • Includes entirely new chapters on organic solvent-resistant nanofiltration, membrane condensers, membrane-reactors in hydrogen production, membrane materials for haemodialysis, and integrated membrane distillation • Covers the full spectrum of membrane technology and its advancements • Explores membrane applications in a range of fields, from biotechnological and food processing to industrial waste management and environmental engineering This book will appeal to both newcomers to membrane science as well as engineers and scientists looking to expand their knowledge on upcoming advancements in the field.
Author : Zhien Zhang
Publisher : Springer Nature
ISBN 13 : 3030339785
Total Pages : 533 pages
Book Rating : 4.0/5 (33 download)
Download or read book Membranes for Environmental Applications written by Zhien Zhang and published by Springer Nature. This book was released on 2020-02-29 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces recent developments of membrane technologies applied to gas and water treatments, energy processes and environmental issues. Novel knowledge and mechanisms on membrane fabrication and usage in energy, chemical, and environmental engineering are detailed in 12 book chapters from France, UK, Spain, China, Nigeria, Iran and Pakistan. The information in this book will be useful for engineers, students, and experts in these fields.
Author : Arijit Ganguli
Publisher : Frontiers Media SA
ISBN 13 : 2832538800
Total Pages : 153 pages
Book Rating : 4.8/5 (325 download)
Download or read book Role of Mathematical Modeling in Advanced Power Generation Systems written by Arijit Ganguli and published by Frontiers Media SA. This book was released on 2023-11-13 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy demands throughout the globe has been increasing and the detrimental effects of carbon emissions on the environment by use of non-renewable resources has impacted life on the planet. The changing climate has caused an increase in natural calamities all over the globe. Many countries in the world have started to produce power using renewable resources like solar, biomass, wind energy, nuclear energy and green fuels. Though there are several technologies for power generation using the above sources, efficient design of these systems still needs lot of research. Mathematical modeling would play a vital role in design of state of the art technologies. Advanced nuclear power plants need special mention since they involve naturally driven safety systems where the complex phenomena of boiling, condensation and thermal stratification take place. These are difficult to model as there is more than one phase coupled with turbulence models, near wall phenomena, coalescence and break up, etc. Scaling up of such systems and their innovative design to reduce stratification requires the help of mathematical modeling. Other opportunities include Computational Fluid Dynamics (CFD) modeling for design of wind turbines for power generation using wind energy. Power generation from biomass involves use of gasifiers which has complex set of reactions and mostly two or three phases which are difficult to model using CFD at industrial scales.
Author : Adolfo Iulianelli
Publisher : MDPI
ISBN 13 : 303921022X
Total Pages : 154 pages
Book Rating : 4.0/5 (392 download)
Download or read book Membrane and Membrane Reactors Operations in Chemical Engineering written by Adolfo Iulianelli and published by MDPI. This book was released on 2019-06-14 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue is aimed at highlighting the potentialities of membrane and membrane reactor operations in various sectors of chemical engineering, based on application of the process intensification strategy. In all of the contributions, the principles of process intensification were pursued during the adoption of membrane technology, demonstrating how it may lead to the development of redesigned processes that are more compact and efficient while also being more environmental friendly, energy saving, and amenable to integration with other green processes. This Special Issue comprises a number of experimental and theoretical studies dealing with the application of membrane and membrane reactor technology in various scientific fields of chemical engineering, such as membrane distillation for wastewater treatment, hydrogen production from reforming reactions via inorganic membrane and membrane photoassisted reactors, membrane desalination, gas/liquid phase membrane separation of CO2, and membrane filtration for the recovery of antioxidants from agricultural byproducts, contributing to valorization of the potentialities of membrane operations.
Author : Bryce Anzelmo
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (951 download)
Download or read book On-board Hydrogen Production from Natural Gas Via a Metallic Pd-based Membrane Reactor written by Bryce Anzelmo and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This work describes the application of palladium-based composite membrane reactors (MRs) for performing steam methane reforming (SMR) and natural gas steam reforming reactions to produce a high-purity hydrogen stream for CO2 capture from the transportation sector. In particular, the effect of different operating conditions on the performance of several MRs has been investigated. Moreover, thin pure palladium and palladium-gold alloy membranes have been synthesized via electroless plating and housed in the membrane module for reaction and permeation testing. In particular, the SMR reaction across porous stainless steel-supported Pd membranes has been investigated with a focus on low temperature and pressure conditions to showcase the ability of the MR to obtain high conversions even at mild conditions. The feed composition ratio, i.e., H2O/CH4, was kept above the stoichiometric limit to enhance conversion, while a permeate sweep gas was used to promote the permeation of hydrogen through the membrane. This application of the Pd-based MR resulted in high methane conversion (84%) and hydrogen recovery (82%) with a pure hydrogen stream obtained from the permeate side at temperatures as low as 400 °C. Stable methane conversions and hydrogen permeation rates were obtained for> 700 reaction hours. Using a Pd-Au composite MR, further reaction testing took place with a real natural gas feed at 450 °C and 300 kPa. This MR operated under a SMR reaction continuously for> 250 hours without a decrease in performance, highlighting the long-term stability of the MR to produce pure hydrogen for long periods of time. More specifically, the conversion of higher hydrocarbons, e.g., propane, ethane, and butane, within the reactor were> 85% throughout the experimental tests. Using a membrane module comprised of a dense Pd77Ag23 membrane, hydrogen permeation decreased when exposed to H2S. This decrease in hydrogen flux was temporary and complete recovery was realized with 200 ppm and 40 ppm H2S exposure tests showing no long-term effects on the membrane. These results allow for an alternative use of pure Pd membranes, which are irreversibly poisoned by H2S.
Author : A Doukelis
Publisher : Elsevier
ISBN 13 : 1782422412
Total Pages : 403 pages
Book Rating : 4.7/5 (824 download)
Download or read book Palladium Membrane Technology for Hydrogen Production, Carbon Capture and Other Applications written by A Doukelis and published by Elsevier. This book was released on 2014-10-20 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thanks to their outstanding hydrogen selectivity, palladium membranes have attracted extensive R&D interest. They are a potential breakthrough technology for hydrogen production and also have promising applications in the areas of thermochemical biorefining. This book summarises key research in palladium membrane technologies, with particular focus on the scale-up challenges. After an introductory chapter, Part one reviews the fabrication of palladium membranes. Part two then focuses on palladium membrane module and reactor design. The final part of the book reviews the operation of palladium membranes for synthesis gas/hydrogen production, carbon capture and other applications. Review of manufacture and design issues for palladium membranes Discussion of the applications of palladium membrane technology, including solar steam reforming, IGCC plants, NGCC plants, CHP plants and hydrogen production Examples of the technology in operation
Author : Ke Liu
Publisher : John Wiley & Sons
ISBN 13 : 0471719757
Total Pages : 572 pages
Book Rating : 4.4/5 (717 download)
Download or read book Hydrogen and Syngas Production and Purification Technologies written by Ke Liu and published by John Wiley & Sons. This book was released on 2010-01-07 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers the timely topic of fuel cells and hydrogen-based energy from its fundamentals to practical applications Serves as a resource for practicing researchers and as a text in graduate-level programs Tackles crucial aspects in light of the new directions in the energy industry, in particular how to integrate fuel processing into contemporary systems like nuclear and gas power plants Includes homework-style problems
Author : Angelo Basile
Publisher : John Wiley & Sons
ISBN 13 : 1118906802
Total Pages : 348 pages
Book Rating : 4.1/5 (189 download)
Download or read book Membrane Reactor Engineering written by Angelo Basile and published by John Wiley & Sons. This book was released on 2016-09-19 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uniquely focussed on the engineering aspects of membrane reactors Provides tools for analysis with specific regard to sustainability Applications include water treatment, wastewater recycling, desalination, biorefineries, agro-food production Membrane reactors can bring energy saving, reduced environmental impact and lower operating costs
Author : Jean-Francois Roux
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (841 download)
Download or read book Membrane Reactor Modeling for Hydrogen Production Through Methane Steam Reforming written by Jean-Francois Roux and published by . This book was released on 2011 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: A mathematical modeling framework for the methane steam reforming reaction operating in steady state has been developed. Performances are compared between the classic catalytic packed bed reactor and a Pd-based catalytic membrane reactor. Isothermal simulations on MATLAB © has first been conducted and show a higher performance of the membrane reactor over the packed bed reactor. Methane conversion of 1 can be reached for lower temperatures than used with industrial PBR, and better performances are shown for an increase in the operating pressure. Optimum conditions were defined for Temperature (500-600 Celsius), reaction side pressure (16-40 bars), membrane thickness (1-7 micrometers), steam/methane ratio (3-4), reactor length (5-10 meters) and permeate sweep ratio (20 or more). This model was validated by multiple recognized sources. Adiabatic simulations were conducted in order to develop a mathematical model base for non-isothermal simulations. The membrane reactor is again showing a higher conversion of methane compared to the packed bed reactor, however the heat loss due to the membrane and the hydrogen leaving through the tube is decreasing the performances of the MR over the PBR compared to the isothermal case. Results show also that most of the reaction occurs at the very beginning of the reactor.
Author : Mohammed Habibullah Khan
Publisher :
ISBN 13 :
Total Pages : 410 pages
Book Rating : 4.:/5 (57 download)
Download or read book Steam Reforming of Methane in a Pd-based Membrane Reactor written by Mohammed Habibullah Khan and published by . This book was released on 2001 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: A two-dimensional, pseudo-homogeneous membrane-reactor model was developed to investigate the steam-methane reforming (SMR) reactions in a Pd-based membrane reactor. Radial diffusion was taken into consideration to account for the concentration gradient in the radial direction due to hydrogen permeation through the membrane. With appropriate reaction rate expressions, a set of partial differential equations was derived using the continuity equation for the reaction system. The equations were solved by finite difference method. The solution of the model equations is complicated by the coupled reactions. At the inlet, if there is no hydrogen, rate expressions become singular. To overcome this problem, the first element of the reactor was treated as a continuous stirred tank reactor (CSTR). Several alternative numerical schemes were implemented in the solution algorithm to get a converaged, stable solution. The model was also capable of handling steam-methane reforming reactions under non-membrane condition and equilibrium reaction conversions. Numerical results of these three models show that conversions in the membrane reactor are always higher than that of the non-membrane tubular reactor. In a membrane reactor higher conversions or yields can be achieved, which is greater than the thermodynamic equilibrium conversions or yields. For example, at 873 K, 5 atm, 2.8 x 10−3 mol/s methane feed rate, 3.0 steam to methane molar ratio and 4 gm Ni-catalyst loading, the yield of the membrane reactor is about 208.5%, while the conventional non-membrane reactor yield is about 93.7%. The corresponding equilibrium yield is about 135.9%. The effects of temperature, pressure, steam to methane molar ratio in the feed, space time and sweep gas flow rate on conversions and yields were investigated parametrically for a wide range of operating conditions. Contour plots for partial pressure of reaction side major components are also reported.
Author : Thijs Peters
Publisher : MDPI
ISBN 13 : 3038977020
Total Pages : 190 pages
Book Rating : 4.0/5 (389 download)
Download or read book Pd-based Membranes written by Thijs Peters and published by MDPI. This book was released on 2019-03-26 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Palladium (Pd)-based membranes have received a great deal of attention from both academia and industry thanks to their ability to selectively separate hydrogen from gas streams. The integration of such membranes with appropriate catalysts in membrane reactors allows for hydrogen production with CO2 capture that can be applied in smaller bioenergy or combined heat and power (CHP) plants, as well as in large-scale power plants. Pd-based membranes are therefore regarded as a Key Enabling Technology (KET) to facilitate the transition towards a knowledge-based, low-carbon, and resource-efficient economy. This Special Issue of the journal Membranes on “Pd-based Membranes: Overview and Perspectives” contains nine peer-reviewed articles. Topics include manufacturing techniques, understanding of material phenomena, module and reactor design, novel applications, and demonstration efforts and industrial exploitation.
Author : Marcello De Falco
Publisher : Springer Science & Business Media
ISBN 13 : 0857291513
Total Pages : 244 pages
Book Rating : 4.8/5 (572 download)
Download or read book Membrane Reactors for Hydrogen Production Processes written by Marcello De Falco and published by Springer Science & Business Media. This book was released on 2011-03-25 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Membrane Reactors for Hydrogen Production Processes deals with technological and economic aspects of hydrogen selective membranes application in hydrogen production chemical processes. Membrane Reactors for Hydrogen Production Processes starts with an overview of membrane integration in the chemical reaction environment, formulating the thermodynamics and kinetics of membrane reactors and assessing the performance of different process architectures. Then, the state of the art of hydrogen selective membranes, membrane manufacturing processes and the mathematical modeling of membrane reactors are discussed. A review of the most useful applications from an industrial point of view is given. These applications include: natural gas steam reforming, autothermal reforming, water gas shift reaction, decomposition of hydrogen sulphide, and alkanes dehydrogenation. The final part is dedicated to the description of a pilot plant where the novel configuration was implemented at a semi-industrial scale. Plant engineers, researchers and postgraduate students will find Membrane Reactors for Hydrogen Production Processes a comprehensive guide to the state of the art of membrane reactor technology.
Author :
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 (914 download)
Download or read book Hydrogen Production from Methane Steam Reforming in Palladium Membrane Reactor written by and published by . This book was released on 2009 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohammed Shahidur Rahman
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (574 download)
Download or read book Hydrogen Permselective Palladium/porous Stainless Steel Composite Membrane Reactor for Shifting Equilibrium of Steam Methane Reforming written by Mohammed Shahidur Rahman and published by . This book was released on 2003 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fabricates asymmetric dense Pd/porous stainless steel composite membranes by depositing palladium on the outer surface of the tubular support using the electroless plating method combined with an osmotic pressure field. Analyzes the surface morphology, microstructure, permeability and selectivity of the palladium-based composite membranes. Investigates steam reforming of methane by equilibrium shift as well as the usefulness of the composite membranes in membrane-reactor configuration for simultaneous production and separation of hydrogen. Offers numerical solutions to various models.
