MC-SPH2O-A vacuum photocatalytic carbon dioxide reduction system
Introduction: This system includes fully automatic control valves, fully automatic control software, sampling time and sampling times can be set arbitrarily, the system is fully computer controlled, no cumbersome valve operation; perfect support for online photolysis of water, hydrogen and oxygen experiments, compatible with gas and liquid phases Carbon dioxide reduction and gas-solid phase carbon dioxide reduction related experiments. Technical parameter: 1. This system contains fully automatic control valves, fully automatic control software, sampling time and sampling times can be set arbitrarily, the system is fully computer controlled, without cumbersome valve operations; supports photocatalysis related to photolysis of water to hydrogen, oxygen, and carbon dioxide reduction experiment; 2. Vacuum degree: relative vacuum degree -0.1Mpa (more than 120 hours, dynamic test); 3. The use of new high and low temperature resistant pyrex glass material high vacuum system circulation pipeline, the experimental system bracket placement width does not exceed 85cm; 4. The on-line reactor adopts high-precision flange seal, imported material fluorine rubber seal ring and GGS2 ultraviolet high-transmitting quartz material to seal and illuminate the upper cover; 5. Standard photolysis water reactor, suitable for 30-80ml solution; 6. High-precision mill-type vacuum valve group, the system can be evacuated after inert gas elution, and the pumping time is 5 minutes; 7. The light source adopts a highly integrated integrated design, and the control power supply, trigger device and light source are integrated in the same light box to avoid problems such as difficulty in triggering the split cable-connected light source and electromagnetic interference during triggering; 8. The shell is made of alloy material CNC precision processing, the core components adopt a new type of heat dissipation mode, the core ideal temperature does not exceed 50 ℃, and the 38 ℃ constant temperature design of the whole machine makes the light source run more stable and the light source has a longer life; 9. Control mode: digital circuit control, knob-type navigation adjustment and setting mode; 10. Optical power adjustment: the lower limit of experimental optical power is 100mw/cm2, the upper limit of experimental optical power is 2000mw/cm2, and the optical power adjustment accuracy is 0.03%; 11. Spectral control range: 300nm-400nm, 300nm-780nm, 400nm-780nm, 300nm-2500nm and analog daylight spectrum AM1.5 standard modes can be switched manually; 12. Experimental spot can choose point light spot, round spot, hexagonal spot and square spot; 13. Spot uniformity: ideally, it can reach the A-level standard of solar simulator, and the unevenness is less than 1%; 14. Chromatographic detector: Equipped with ideal precision thermal conductivity TCD detector to detect trace amounts of hydrogen, oxygen and nitrogen and complete the detection of carbon dioxide reduction efficiency; 15. Under different conditions, the lower limit of H2 detection is 1μL, and the upper limit of O2 detection is 5μL; 16. The cooling method is circulating water cooling, the experiment temperature can be controlled at room temperature, and the reflux temperature of condensation can be controlled at -10°C to 10°C;
Introduction: This system includes fully automatic control valves, fully automatic control software, sampling time and sampling times can be set arbitrarily, the system is fully computer controlled, no cumbersome valve operation; perfect support for online photolysis of water, hydrogen and oxygen experiments, compatible with gas and liquid phases Carbon dioxide reduction and gas-solid phase carbon dioxide reduction related experiments.