Anastasiadis, Charalampos (2012). Development of novel alloys for use as hydrogen purification membranes. University of Birmingham. M.Res.
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Anastasiadis_12_MRes.pdf
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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: | Thesis (Masters by Research > M.Res.) | ||||||
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| Award Type: | Masters by Research > M.Res. | ||||||
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| College/Faculty: | Colleges (2008 onwards) > College of Engineering & Physical Sciences | ||||||
| School or Department: | School of Metallurgy and Materials | ||||||
| Funders: | None/not applicable | ||||||
| Subjects: | T Technology > TN Mining engineering. Metallurgy | ||||||
| URI: | http://etheses.bham.ac.uk/id/eprint/3330 |
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