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Author: Publisher: ISBN: Category : Languages : en Pages : 71
Book Description
Commercial carbon composite microfiltration membranes may be modified for gas separation applications by providing a gas separation layer with pores in the 1- to 10-nm range. Several organic polymeric precursors and techniques for depositing a suitable layer were investigated in this project. The in situ polymerization technique was found to be the most promising, and pure component permeation tests with membrane samples prepared with this technique indicated Knudsen diffusion behavior. The gas separation factors obtained by mixed-gas permeation tests were found to depend strongly on gas temperature and pressure indicating significant viscous flow at high-pressure conditions. The modified membranes were used to carry out simultaneous water gas shift reaction and product hydrogen separation. These tests indicated increasing CO conversions with increasing hydrogen separation. A simple process model was developed to simulate a catalytic membrane reactor. A number of simulations were carried out to identify operating conditions leading to product hydrogen concentrations over 90 percent. (VC).
Author: Publisher: ISBN: Category : Languages : en Pages : 71
Book Description
Commercial carbon composite microfiltration membranes may be modified for gas separation applications by providing a gas separation layer with pores in the 1- to 10-nm range. Several organic polymeric precursors and techniques for depositing a suitable layer were investigated in this project. The in situ polymerization technique was found to be the most promising, and pure component permeation tests with membrane samples prepared with this technique indicated Knudsen diffusion behavior. The gas separation factors obtained by mixed-gas permeation tests were found to depend strongly on gas temperature and pressure indicating significant viscous flow at high-pressure conditions. The modified membranes were used to carry out simultaneous water gas shift reaction and product hydrogen separation. These tests indicated increasing CO conversions with increasing hydrogen separation. A simple process model was developed to simulate a catalytic membrane reactor. A number of simulations were carried out to identify operating conditions leading to product hydrogen concentrations over 90 percent. (VC).
Author: Roel van de Krol Publisher: Springer Science & Business Media ISBN: 146141380X Category : Technology & Engineering Languages : en Pages : 322
Book Description
Photoelectrochemical Hydrogen Production describes the principles and materials challenges for the conversion of sunlight into hydrogen through water splitting at a semiconducting electrode. Readers will find an analysis of the solid state properties and materials requirements for semiconducting photo-electrodes, a detailed description of the semiconductor/electrolyte interface, in addition to the photo-electrochemical (PEC) cell. Experimental techniques to investigate both materials and PEC device performance are outlined, followed by an overview of the current state-of-the-art in PEC materials and devices, and combinatorial approaches towards the development of new materials. Finally, the economic and business perspectives of PEC devices are discussed, and promising future directions indicated. Photoelectrochemical Hydrogen Production is a one-stop resource for scientists, students and R&D practitioners starting in this field, providing both the theoretical background as well as useful practical information on photoelectrochemical measurement techniques. Experts in the field benefit from the chapters on current state-of-the-art materials/devices and future directions.
Author: A.J. Burggraaf Publisher: Elsevier ISBN: 0080534708 Category : Technology & Engineering Languages : en Pages : 709
Book Description
Inorganic membrane science and technology is a new field of membrane separation technology which until recently was dominated by the earlier field of polymer membranes. Currently the subject is undergoing rapid development and innovation.The present book describes the fundamental principles of both synthesis of inorganic membranes and membrane supports and also the associated phenomena of transport and separation in a semi-quantitative form.Features of this book:- Examples are given which illustrate the state-of-the-art in the synthesis of membranes with controlled properties- Future possibilities and limitations are discussed- The reader is provided with references to more extended treatments in the literature- Potential areas for future innovation are indicated.By combining aspects of both the science and technology of inorganic membranes this book serves as a useful source of information for scientists and engineers working in this field. It also provides some observations of important investigators who have contributed to the development of this subject.
Author: Ahmad Fauzi Ismail Publisher: Springer Science & Business Media ISBN: 038778991X Category : Science Languages : en Pages : 334
Book Description
This book provides a significant overview of carbon-related membranes. It will cover the development of carbon related membranes and membrane modules from its onset to the latest research on carbon mixed matrix membranes. After reviewing progress in the field, the authors indicate future research directions and prospective development. The authors also attempt to provide a guideline for the readers who would like to establish their own laboratories for carbon membrane research. For this purpose, detailed information on preparation, characterization and testing of various types of carbon membrane is provided. Design and construction of carbon membrane modules are also described in detail.
Author: Angelo Basile Publisher: Elsevier ISBN: 0128173750 Category : Technology & Engineering Languages : en Pages : 336
Book Description
Membrane Systems for Hydrogen Production offers an overview of advanced technologies in the field of both catalysts and membrane technologies for hydrogen productions and energy saving. Catalysts play an irreplaceable role in chemical engineering for carrying out reaction at industrial level. Membrane processes are today well-recognized technologies in many fields, such as water and wastewater treatment, gas separation and purification, etc. This book relates these two fields and their role in electrochemical hydrogen production by presenting 5 specific chapters where the catalysts are compared to the membrane technology. The purpose of this book is to provide an overview on recently developed catalysts which work in combination with membrane operations for energy savings. This combination provides an example of strategies for engineering development and process intensification of interest for both industrial and developing countries. - Provides an overview of the interconnections between membrane technology and catalysts related to the electrochemical hydrogen production - Provides a comprehensive review of advanced research on the catalysts used in electrochemical processes and the use of related membrane processes - Addresses the key issues to introduce considerable process intensification in the hydrogen production
Author: Angelo Basile Publisher: Elsevier ISBN: 0128136464 Category : Technology & Engineering Languages : en Pages : 670
Book Description
Current Trends and Future Developments on (Bio-) Membranes: Carbon Dioxide Separation/Capture by Using Membranes explores the unique property of membranes to separate gases with different physical and chemical properties. The book covers both polymeric and inorganic materials for CO2 separation and explains their mechanism of action, allowing for the development and most appropriate and efficient processes. It also lists the advantages of using membranes instead of other separation techniques, i.e., their low operating costs and low energy consumption. This book offers a unique opportunity for scientists working in the field of membrane technology for CO2 separation and capture. - Outlines numerous membrane-based technologies for CO2 separation and capture - Lists new, advanced separation techniques and production processes - Includes various applications, modelling, and the economic considerations of each process - Covers advanced techniques for the separation of CO2 in natural gas
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Author: Roel van de Krol
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Author: A.J. Burggraaf
Author: Ahmad Fauzi Ismail
Author: Angelo Basile
Author: 
Author: Angelo Basile