Abstract
AbstractDesign and applications of an in‐house developed high pressure/high temperature transmission FTIR reaction cell are presented. By coupling with a mass spectrometer online analysis of product formation is possible enabling operando FTIR spectroscopic studies. The cell, made of stainless‐steel, has been designed to be operable at pressures up to 30 bar and temperatures between 22 °C and 300 °C. Long‐time tests, with no signs of damage of the cell and windows have been conducted at 15 bar and 250 °C. The performance of the cell was tested by studying three types of CO2 hydrogenation reactions (CO2 Fischer‐Tropsch synthesis, CO2 methanation, CO2 conversion to dimethyl ether) on selected catalyst systems by varying temperature and pressure. The operando spectroscopic measurements revealed reliable data which reflect the same trends as found by respective catalytic tests.
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