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Hydrogen purification process using pressure swing adsorption for fuel cell applications
Hydrogen purification process using pressure swing adsorption for fuel cell applications
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机译:使用变压吸附的氢气净化工艺,用于燃料电池应用
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摘要
A PSA system that purifies a feed gas, such as a reformate gas in fuel cell system. The PSA system includes a series of vessels housing an adsorbent or combination of adsorbents that adsorb carbon monoxide, carbon dioxide, nitrogen, water and methane in the reformate gas. The adsorbent vessels are connected to each other and a feed manifold, a product manifold and an exhaust manifold through suitable conduits, where the gas flows are controlled by a product rotating valve and feed rotating valve or a series of open/shut valves. A specialized PSA cycle controls the valves so that the vessels cycle through various stages of equalization, blow-down, purge, pressurization and production to purify the feed gas.
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