The influence of catalyst pore size and shape selectivity on the catalytic hydrodeoxygenation (HDO) of biocrude oil has been investigated by comparing the activity of nickel catalysts on the supports of different pore sizes towards model compounds of increasing size. The catalysts (Ni/Beta and Ni/Y) with 3-dimensional structure containing 12 × 12-ring channels show a higher hydrogenation activity for phenanthrene compared to 10 × 10-ring and 12 × 8-ring channel catalysts (Ni/ZSM-5 and Ni/MOR), while only Ni/Y, possessed the largest pore limiting diameter (7.4 Å), displays a good hydrogenation activity for pyrene (6.7 Å), the model compound with the largest critical diameter studied in this work. While all catalysts display a good HDO activity for guaiacol conversion, the 10 × 10-ring channel catalyst (Ni/ZSM-5) exhibit a lower cyclohexane formation rate compared to catalysts containing 12-ring channels when the residence time was reduced, which could be attributed to the small pore diameter (5.0 Å) of ZSM-5 that restricts the diffusion of guaiacol (~4.9 Å). In addition, the Ni/Beta and Ni/ZSM-5 were also tested in HDO of biocrude oil. Ni/Beta catalyst displays higher conversion and high yield of cycloalkanes compared to Ni/ZSM-5, which confirms that the selection of catalyst support has a significant influence on the product distribution in HDO of biocrude.

通过比较不同孔径的载体上镍催化剂对尺寸增大的模型化合物的活性，研究了催化剂孔径和形状选择性对生物原油催化加氢脱氧（HDO）的影响。与10×10环和12×8环通道催化剂（Ni / ZSM-）相比，具有12×12环通道的3维结构的催化剂（Ni / Beta和Ni / Y）对菲的氢化活性更高。 5和Ni / MOR），虽然只有Ni / Y具有最大的孔径限制直径（7.4Å），但对for（6.7Å）则表现出良好的加氢活性，pyr是这项工作中研究的最大临界直径的模型化合物。尽管所有催化剂对愈创木酚的转化均表现出良好的HDO活性，10×10环通道催化剂（Ni / ZSM-5）与含有12环通道的催化剂相比，当停留时间减少时，环己烷的生成速率较低，这可能归因于其小孔径（5.0Å）。 ZSM-5限制了愈创木酚的扩散（〜4.9Å）。此外，还在生物原油的HDO中测试了Ni / Beta和Ni / ZSM-5。与Ni / ZSM-5相比，Ni / Beta催化剂显示出更高的转化率和较高的环烷烃收率，这证实了催化剂载体的选择对生物原油在HDO中的产物分布有重大影响。Ni / Beta和Ni / ZSM-5也在生物原油的HDO中进行了测试。与Ni / ZSM-5相比，Ni / Beta催化剂显示出更高的转化率和较高的环烷烃收率，这证实了催化剂载体的选择对生物原油在HDO中的产物分布有重大影响。Ni / Beta和Ni / ZSM-5也在生物原油的HDO中进行了测试。与Ni / ZSM-5相比，Ni / Beta催化剂显示出更高的转化率和较高的环烷烃收率，这证实了催化剂载体的选择对生物原油在HDO中的产物分布有重大影响。