Method for measuring krypton, xenon and methane in air separation oxygen and equipment for measuring krypton, xenon and methane in air separation oxygen
A measurement method and technology of measurement equipment, which is applied to the measurement equipment of xenon and methane, the measurement of xenon and methane, and the field of krypton in air separation oxygen, which can solve the problems that oxygen cannot be discharged, cannot be used for a long time, and cannot be quantitatively analyzed for methane
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[0071] use figure 1Described device, the standard gas that will contain the krypton of 2000ppm, the xenon of 200ppm and the methane of 2000ppm is controlled by the gas fine-tuning valve and enters in the catalytic dehydrocarbonation device with the flow rate of 50mL / min through the inlet (the catalytic dehydrocarbonation The catalyst in the device is a palladium catalyst with a particle size of 20 μm and a filling capacity of 25 g). After catalytic dehydrogenation reaction at a temperature of 380 ° C, the injection valve is rotated to the injection position, and the thermal conductivity detector is turned on at the same time. and carry out temperature program (heat up to 80°C for 1min, continue to heat up to 150°C for 1min, then cool down to 80°C) to confirm, so that the gas after catalytic dehydrocarbonation enters the catalytic deoxygenation device through the six-way sampling valve (the The catalyst in the catalytic deoxygenation device is a palladium catalyst, the particle...
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