The PLR-CTPR microdroplet methane photoconversion reactor integrates dispersion generation, irradiation and sampling in one platform. Reproducibility comes from setting and logging its parameters the same way every time. This guide organizes operation into four stages.
Leak-check the gas path before introducing methane; verify the liquid circuit is primed without bubbles; confirm the light source warms up to stable output before timing any experiment; and log lamp hours and prior calibration dates. Run a blank dispersion with carrier only to confirm the system baseline.
Set methane flow or pressure and liquid flow to the values from your design, then verify the droplet field, steady, uniform, no visible coalescence at the optical window. Record actual delivered flows, not setpoints. The gas-liquid ratio is the first parameter to reproduce between labs.
Set intensity at the dispersion, control bath temperature, and monitor the liquid temperature during the run, dispersed systems absorb light differently from clear solutions. Intensity drift during long runs should be re-measured at the end.
Sample gas continuously or at fixed intervals to online detection; collect liquid aliquots at defined irradiation times, quenching as required by the analytical method. Keep the sampling protocol fixed so time series are comparable.
Methane flow, liquid flow, dispersion observation, light intensity and spectrum, temperatures, run start-stop times, and sampling times. With this log, another operator can reproduce the run, without it, nobody can.
See reaction systems for the PLR-CTPR configuration and instrument instructions for operating procedures.
