In
order to realize uniformly loading catalyst on copper foam,
a new device was designed to drive catalyst precursor solution to
flow into the inner pore structures of copper foam by changing driving
pressure and flow rate. The three-dimensional models of copper foam
loaded with catalyst using different impregnation methods were reconstructed
by Micro-CT. The catalyst loading distribution was studied by Micro-CT
and SEM. Moreover, methanol steam reforming reaction performance of
microreactor with copper foam loaded with catalyst using different
methods was compared and analyzed. The results showed that the best
loading performance of copper foam was obtained when driving pressure
and flow rate of catalyst precursor solution were 0.102 MPa and 0.3
L/min, respectively. Compared with traditional impregnation method,
copper foam using active impregnation method exhibited more uniform
distribution of catalyst and better reaction performance for hydrogen
production. This work provides a feasible method to optimize catalyst
loading process.
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