Direct high-purity hydrogen production from ammonia by using a membrane reactor combining V-10mol%Fe hydrogen permeable alloy membrane with Ru/Cs2O/Pr6O11 ammonia decomposition catalyst
Direct high-purity hydrogen production from ammonia by using a membrane reactor combining V-10mol%Fe hydrogen permeable alloy membrane with Ru/Cs2O/Pr6O11 ammonia decomposition catalyst
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DOI：
10.1016/j.ijhydene.2021.12.191
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发表时间：
2022-01
影响因子：
7.2
通讯作者：
K. Omata;Katsutoshi Sato;Katsutoshi Nagaoka;H. Yukawa;Y. Matsumoto;T. Nambu
中科院分区：
文献类型：
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作者：
K. Omata;Katsutoshi Sato;Katsutoshi Nagaoka;H. Yukawa;Y. Matsumoto;T. Nambu
研究了V-10mol%Fe透氢合金膜与Ru/Cs2 O/Pr 6 O 11氨分解催化剂组合的膜反应器的制氢性能。通过V-10mol%Fe合金膜去除氨分解过程中产生的氢气，使氨转化率比单独使用Ru/Cs2 O/Pr 6 O 11催化剂提高了1.7倍。氨气中所含的79%的氢原子被直接提取为高纯度氢气。Ru/Cs2 O/Pr 6 O 11催化剂和V-10mol%Fe合金膜都具有很好的耐久性，氢分离速率的初始性能持续超过3000 h。生产的氢气符合ISO 14687-2：2019燃料电池车辆的D级标准，因为氨和氮的浓度分别低于0.1 ppm和100 ppm。
The hydrogen production capabilities of the membrane reactor combining V-10 mol%Fe hydrogen permeable alloy membrane with Ru/Cs2O/Pr6O11ammonia decomposition catalyst are studied. The ammonia conversion is improved by 1.7 times compared to the Ru/Cs2O/Pr6O11catalyst alone by removing the produced hydrogen through the V-10mol%Fe alloy membrane during the ammonia decomposition. 79% of the hydrogen atoms contained in the ammonia gas are extracted directly as high-purity hydrogen gas. Both the Ru/Cs2O/Pr6O11catalyst and the V-10 mol% Fe alloy membrane are highly durable, and the initial performance of the hydrogen separation rate lasts for more than 3000 h. The produced hydrogen gas conforms to ISO 14687–2:2019 Grade D for fuel cell vehicles because the ammonia and nitrogen concentrations are less than 0.1 ppm and 100 ppm, respectively.