Laboratório de Processos de Separação e Reação - Laboratório de Catálise e Materiais (LSRE-LCM), Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
Laboratório de Processos de Separação e Reação - Laboratório de Catálise e Materiais (LSRE-LCM), Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
Bioresour Technol. 2018 Sep;263:402-409. doi: 10.1016/j.biortech.2018.05.034. Epub 2018 May 9.
The one-pot conversion of cellulose to ethylene glycol (EG) was investigated using a combination of a ruthenium catalyst supported on carbon nanotubes modified with nitric acid (Ru/CNT) and a tungsten catalyst supported on commercial non-treated carbon nanotubes (W/CNT). This physical mixture allowed to obtain an EG yield of 41% in just 5 h at 205 °C and 50 bar of H, which overcame the result obtained using a Ru-W bimetallic catalyst supported on commercial carbon nanotubes (35%) under the same conditions. Tissue paper, a potential waste cellulosic material, and eucalyptus were also tested under the same conditions and EG yields of 34 and 36%, respectively, were attained over the aforementioned catalytic physical mixture. To the best of our knowledge, this work presents for the first time the catalytic conversion of lignocellulosic materials, namely tissue paper and eucalyptus, directly into EG by an environmentally friendly process.
使用经过硝酸改性的碳纳米管负载的钌催化剂（Ru/CNT）和商业未处理的碳纳米管负载的钨催化剂（W/CNT）的组合，研究了将纤维素一锅转化为乙二醇（EG）的方法。在 205°C 和 50 巴 H2 的条件下，只需 5 小时即可获得 41%的 EG 收率，这超过了在相同条件下使用负载在商业碳纳米管上的 Ru-W 双金属催化剂（35%）获得的结果。在相同条件下，还测试了纸巾（一种潜在的废弃纤维素材料）和桉树，在上述催化物理混合物上分别获得了 34%和 36%的 EG 收率。据我们所知，这项工作首次提出了通过环保工艺将木质纤维素材料（即纸巾和桉树）直接催化转化为 EG。
