Efficient CO2 Hydrogenation to Aviation Kerosene over Oxide-Zeolite Tandem Catalysts through p-p Orbital Overlap Manipulation
Efficient CO2 Hydrogenation to Aviation Kerosene over Oxide-Zeolite Tandem Catalysts through p-p Orbital Overlap Manipulation
研究概述
将In掺入ZnZr氧化物并与HZSM-5串联，以In5p–O2p轨道重叠调控金属–氧共价性、氧空位和CO2/H2活化，实现CO2加氢制航煤范围烃。优化体系C8–C15选择性81.7%，时空收率16.4 g·kg催化剂⁻¹·h⁻¹，稳定运行超过100小时。
谱图与表征信息
Figure 2. (a) Zr K-edge XANES spectra, (b) FT k2-weighted EXAFS spectra in R space, (c) high-resolution O 1s XPS spectra, (d) simulated EPR spectra, and (e) high-resolution Zr 3d XPS spectra of 10InZnZrOx and ZnZrOx. The inset in (b) is the enlarged view corresponding to the black dotted line region. (f) High-resolution In 3d XPS spectrum of 10InZnZrOx. The WT contour maps for EXAFS k2χ(k) spectra of (g) 10InZnZrOx, (h) ZnZrOx, (i) t-ZrO2, and (j) Zr foil.