用于高温气体分离的透氢金属膜

David Edlund, Dwayne Friesen, Bruce Johnson, William Pledger
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引用次数: 50

摘要

在本文中,我们描述了一种具有大规模应用前景的复合金属膜,包括乙烯的制造,从炼油厂流中回收氢气,以及对含硫天然气和炼油厂废气中硫化氢的环境清洁分解。具体来说,这种复合膜比以前开发的金属膜有改进,包括:(1)在700°C下稳定的氢通量,(2)低成本和(3)与许多常见的进料流杂质(包括硫化氢)的化学相容性。
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Hydrogen-permeable metal membranes for high-temperature gas separations

In this paper we describe a composite-metal membrane that shows promise for practical large-scale applications including the manufacture of ethylene, recovery of hydrogen from refinery streams, and the environmentally clean decomposition of hydrogen sulfide in sour natural gas and refinery off-gases. Specifically, this composite membrane exhibits improvements over previously developed metal membranes that include (1) stable hydrogen flux at 700°C, (2) low cost and (3) chemical compatibility with many common feed-stream impurities, including hydrogen sulfide.

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