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Efficient elevated temperature hydrogen direct purification and separation technology

delete2025-10-01
delete0
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OA
AI
王燕霞 封面图
王燕霞 (Yanxia Wang)
P
Peixuan Hao
汪
汪冬冬 (Dongdong Wang)
F
Fuhua Xu
T
Tongyu Liu
L
Lu Wang
李
李爽 (Shuang Li) *
Y
Yixiang Shi
N
Ningsheng Cai
DOI：10.1002/cjce.25699delete
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摘要

摘要

En 中文
氢作为一种清洁能源载体和化学原料，需要高效且经济的提纯工艺。本研究对高温氢直接提纯与分离（HDPS）技术进行了分析，这是一种实现高氢气回收率的新型方法。LaNi4Al合金作为吸附剂，在高温下有效运行并表现出抗杂质能力。HDPS工艺经过战略设计，包含加压、吸附、不同速率的顺流吹扫和真空解吸，其与传统的变压吸附（PSA）的区别在于基于对其操作差异和相似性的理论认识。结合甲醇重整模块、变温吸附（TSA）模块和质子交换膜燃料电池（PEMFC），该中试规模的HDPS系统在效率上优于传统PSA方法。HDPS-TSA工艺实现了优异的氢气回收率（91.28%）和纯度（99.999%），满足了燃料电池的严格要求。HDPS-TSA系统的电力消耗和热需求与传统真空变压吸附（VPSA）和TSA工艺相当或更低，使其成为可持续氢能生产系统的有前景的解决方案。
Keyword:
hydrogen purification
PEMFC
pressure swing adsorption
rare earth alloy
recovery rate

期刊

Canadian Journal of Chemical Engineering 封面图
Canadian Journal of Chemical Engineering
IF:
1.9
论文数:
396
被引数:
8.9K

机构

T
Tsinghua University
学者数:
8.6K
论文数: 4.1K
被引数: 17.7W
引用论文

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