Journal ArticleDOI
Sieverts law pressure exponent for hydrogen permeation through Pd-based membranes: Coupled influence of non-ideal diffusion and multicomponent external mass transfer
TLDR
The functionality of the pressure exponent with temperature, pressure and membrane thickness is provided, showing that the Sieverts-type empirical law can be used to incorporate the external mass transfer influence just up to a moderate external resistance.About:
This article is published in International Journal of Hydrogen Energy.The article was published on 2013-12-13. It has received 42 citations till now. The article focuses on the topics: Mass transfer coefficient & Sieverts' law.read more
Citations
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Journal ArticleDOI
Recent progress in Pd-based composite membranes
TL;DR: This work critically reviews both the experimental and modeling studies of Pd-based composite membranes over the last few decades, particularly focusing on the critical issues of thermal and chemical stability, which are the main obstacles blocking their commercial applications.
Journal ArticleDOI
Hydrogen Production via Steam Reforming: A Critical Analysis of MR and RMM Technologies.
TL;DR: This paper is focused on the process optimization and decarbonization of H2 production from fossil fuels to promote more efficient approaches based on membrane separation and compares two emerging configurations: the membrane reactor (MR) and the reformer and membrane module (RMM).
Journal ArticleDOI
Syngas upgrading in a membrane reactor with thin Pd-alloy supported membrane
Adele Brunetti,Alessio Caravella,Ekain Fernandez,D.A. Pacheco Tanaka,Fausto Gallucci,Enrico Drioli,Efrem Curcio,J.L Viviente,Giuseppe Barbieri +8 more
TL;DR: In this paper, a water gas shift membrane (WGSM) was used in a high temperature range with an ultra-thin supported membrane (3.6 micron-thick).
Journal ArticleDOI
A two-dimensional mathematical model for the catalytic steam reforming of methane in both conventional fixed-bed and fixed-bed membrane reactors for the Production of hydrogen
TL;DR: In this article, a two-dimensional pseudo-heterogeneous model is developed to simulate a conventional fixed-bed reactor (FBR) as well as a fixedbed membrane (FBMR) with sweep gas added in both cocurrent modes for the two reactor configurations.
Journal ArticleDOI
Low-temperature stability of body-centered cubic PdCu membranes
TL;DR: In this article, the authors investigated the stability of thin-layered, supported PdCu membranes with body-centered cubic (bcc) structure between room temperature and 673 K at H2 pressure differences ΔPH2 up to 1.1 MPa.
References
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Book
Diffusion: Mass Transfer in Fluid Systems
TL;DR: An overview of diffusion and separation processes brings unsurpassed, engaging clarity to this complex topic as mentioned in this paper, which is a key part of the undergraduate chemical engineering curriculum and at the core of understanding chemical purification and reaction engineering.
Book
Multicomponent mass transfer
Ross Taylor,Rajamani Krishna +1 more
TL;DR: In this paper, the authors present an important book on multicomponent mass transfer, meant for readers already acquainted with the theory of mass transfer and the fundamentals of transport phenomena, and provide a computer diskette with the book; the examples in Chapters 1--13 are solvable using this diskette and the commercial package Mathcad which the user must obtain.
Journal ArticleDOI
Recent advances on membranes and membrane reactors for hydrogen production
TL;DR: The aim of this review is to highlight recent advances in hydrogen selective membranes along with the advances for the different types of membrane reactors available (from packed bed to fluidized bed, from micro-reactors to bio-membrane reactors).
Journal ArticleDOI
Model of hydrogen permeation behavior in palladium membranes
Timothy L. Ward,Tien Dao +1 more
TL;DR: In this article, a model for H2 permeation through Pd which accounts for external mass transfer, surface adsorption and desorption, transitions to and from the bulk metal, and diffusion within the metal was constructed.
Journal ArticleDOI
The permeability of hydrogen in bulk palladium at elevated temperatures and pressures
Bryan D. Morreale,Michael V. Ciocco,Robert M. Enick,Badi I. Morsi,Bret H. Howard,Anthony V. Cugini,Kurt S. Rothenberger +6 more
TL;DR: In this paper, the authors measured the permeability of hydrogen in bulk palladium membranes (approximately 1-mm thickness) at conditions of simultaneously elevated temperature (623-1173 K) and hydrogen pressure (0.1×106 to 2.76×106 ǫ).