Operando magnetic resonance imaging of product distributions within the pores of catalyst pellets during Fischer–Tropsch synthesis

Q Zheng, J Williams, LR van Thiel, SV Elgersma… - Nature Catalysis, 2023 - nature.com
The optimization of a heterogeneous catalytic process requires characterization of the
catalyst at industrially relevant conditions and length scales. Here we use magnetic …

Probing the Diffusion Mechanism of n-Alkanes in Mesoporous Confinement Using Pulsed Field Gradient NMR

JH Williams, Q Zheng, MD Mantle… - The Journal of …, 2023 - ACS Publications
Pulsed field gradient NMR experiments are used to probe the diffusion mechanism of liquid
n-alkanes, with carbon numbers in the range of 8–40, confined in five mesoporous silicas of …

[HTML][HTML] Operando characterisation of the products of Fischer-Tropsch synthesis in a fixed-bed reactor studied by magnetic resonance

Q Zheng, JH Williams, SV Elgersma, MD Mantle… - Catalysis Today, 2024 - Elsevier
Operando measurement of catalyst performance presents many difficulties as it is necessary
to obtain measurements at reaction temperature and pressure and also at relevant length …