The lag in chromatographic analysis of online gas components (hydrogen, nitrogen, ammonia) in ammonia synthesis affects the adjustment of the hydrogen-to-nitrogen ratio.

2018-10-18View Original

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In our plant, the online chromatographic analysis of the gas components (hydrogen, nitrogen, ammonia) at the inlet and outlet of the ammonia synthesis tower is delayed by 15 minutes, which results in untimely adjustment of the hydrogen-to-nitrogen ratio and often causes fluctuations in the system. Do any of you facing similar issues? Do you have any good suggestions?

Reply #22018-10-29

What type of chromatography is being used? What pillar?

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The lag in chromatographic analysis of online gas components (hydrogen, nitrogen, ammonia) in ammonia synthesis affects the adjustment of the hydrogen-to-nitrogen ratio.

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