In this study, chemical looping reforming coupled with water splitting (CLRWS) process for coproduction of syngas and hydrogen using bio-oil model compound as fuel was investigated. The process simulation results indicated that the mass ratio of fuel to Fe₂O₃ (F/O) of 0.3 at 900 °C was suitable for syngas and hydrogen coproduction. Under these conditions, the CLRWS experiments were conducted in the fixed bed reactor using Ni-Fe bimetallic oxygen carriers (OCs). The Ni-Fe bimetallic oxygen carrier contained 5 wt% of NiO, 60 wt% of Fe₂O₃ and 35 wt% of support. Six metal oxides, Al₂O₃, CeO₂, La₂O₃, MgO, TiO₂ and ZrO₂, were used as supports, and corresponding OCs were termed as NFA, NFC, NFL, NFM, NFT and NFZ, respectively. The interaction between different components had significant influence on coproduction of syngas and hydrogen. The formation NiAl₂O₄, FeAl₂O₄, MgFe₂O₄, and Fe₂TiO₅ were unreadily reduced and unfavorable for the high purity hydrogen production in SR. The NFL, NFZ and NFC presented the better performance than the NFA, NFM and NFT. The catalytic reforming reactions were enhanced significantly by introducing NiO and the supports, while the presence of Ni readily produced higher carbon deposition, which could be alleviated by the addition of steam in FR. The hydrogen purity of all OCs increased to more than 95% in the SR with S/C = 1.4. The top two hydrogen purity in SR for NFZ and NFC were 99.73% and 99.66%, the corresponding hydrogen yield were 1.132 Nm³/kg and 1.165 Nm³/kg, respectively. The NFL exhibited excellent catalytic performance and benefited to produce syngas. The NFZ had the highest oxygen transfer capacity and the lowest carbon deposition. The cyclic stability of NFL and NFZ decreased with the increasing of number of cycles. The NFC is a promising OC in the CLRWS process with the presence of steam, maintained high hydrogen purity and good stability performance in the multiple cycle tests.

在本研究中，研究了以生物油模型化合物为燃料的化学循环重整与水分解 (CLRWS) 联合生产合成气和氢气的工艺。工艺模拟结果表明，燃料与Fe ₂ O ₃的质量比（F/O）在900℃时为0.3，适合合成气和氢气联产。在这些条件下，CLRWS 实验在固定床反应器中使用 Ni-Fe 双金属氧载体 (OCs) 进行。Ni-Fe双金属氧载体包含5wt％的NiO、60wt％的Fe ₂ O ₃和35wt％的载体。六种金属氧化物，Al ₂ O ₃，CeO ₂，La ₂ O ₃，MgO，TiO₂和ZrO ₂用作载体，相应的OC分别称为NFA、NFC、NFL、NFM、NFT和NFZ。不同组分之间的相互作用对合成气和氢气的联产有显着影响。NiAl ₂ O ₄、FeAl ₂ O ₄、MgFe ₂ O ₄和Fe ₂ TiO _{5 的形成}不易减少，不利于 SR 中的高纯度氢气生产。NFL、NFZ 和 NFC 的性能优于 NFA、NFM 和 NFT。通过引入 NiO 和载体，催化重整反应显着增强，而 Ni 的存在容易产生更高的碳沉积，这可以通过在 FR 中添加蒸汽来缓解。在 S/C = 1.4 的 SR 中，所有 OC 的氢纯度都增加到 95% 以上。NFZ和NFC在SR中的前两位氢气纯度分别为99.73%和99.66%，相应的氢气产率分别为1.132 Nm ³ /kg和1.165 Nm ³/kg，分别。NFL表现出优异的催化性能，有利于生产合成气。NFZ 具有最高的氧气传输能力和最低的碳沉积。NFL和NFZ的循环稳定性随着循环次数的增加而降低。NFC 是 CLRWS 工艺中一种很有前途的 OC，它存在蒸汽，在多循环测试中保持高氢气纯度和良好的稳定性能。