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Development of novel alloys for use as hydrogen purification membranes

Anastasiadis, Charalampos (2012)
M.Res. thesis, University of Birmingham.

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Abstract

During the production of hydrogen a number of other elements are also produced, removing these elements is crucial for the production of pure hydrogen.

Due to their potentially infinite hydrogen selectivity, dense-metal membranes are a very promising method for separating hydrogen; currently the metallic membranes commonly used are based on Pd-Ag alloys.

Although palladium possesses a very active surface for hydrogen absorption and desorption, other metals such as the transition metals (e.g vanadium (V), tantalum (Ta) and niobium (Nb)) exhibit greater hydrogen permeability. In addition, these metals are much less costly than palladium, therefore offering considerable improvements in performance at lower cost.

Besides being used as the core material for membrane vanadium can also be consider as a candidate for use as an interdiffusion barrier in palladium supported membranes.

Type of Work:M.Res. thesis.
Supervisor(s):Book, David
School/Faculty:Colleges (2008 onwards) > College of Engineering & Physical Sciences
Department:School of Metallurgy and Materials
Subjects:TN Mining engineering. Metallurgy
Institution:University of Birmingham
ID Code:3330
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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