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Issues related to hydrocarbons in cryogenic air separation units

2019-07-26View Original

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I’m seeking help from those who are more experienced in this field. Could you please tell me regarding the determination of hydrocarbons in cryogenic air separation units: where exactly are the sampling points located? Which components are analyzed, and what are the relevant criteria? Also, where do these components come from? Could you explain that? Additionally, carbon monoxide was detected in our equipment (there was a peak at the carbon monoxide level, and it is highly suspected to be carbon monoxide), but there are no devices in our factory or its vicinity that produce carbon monoxide. How is this achieved? Additionally, we take samples from liquid air for the analysis of hydrocarbons, but since the samples are in liquid form, the quality control department is unable to handle them; and after vaporization, there are concerns that the resulting gas samples may not be representative. I’m now seeking help from all the experts and masters on the internet. I’m a beginner; thank you all.
Reply #22019-07-26
You need to ask the people on site; they all know it. It is also explained in the device manual. If you’re a beginner, you have to start from scratch; otherwise, it’s better not to get involved in this mess. This is a matter of ensuring quality – it’s a lesson from what happened a few days ago. As for the claim that “since the sample is liquid air, the Quality Department cannot handle it,”? Can’t we use liquid oxygen either? ? Will you not carry out this analysis at all? ? ? :funk: Is a quality department like this just a waste-of-time department? ? ? It’s incredible; no wonder serious accidents occur. I suggest you change locations as soon as possible; it’s too dangerous to get involved in such situations if one is innocent.:funk: The analysis indicators include the total carbon content, which can come from various sources such as paint application, internal combustion engine exhausts, kitchen fumes, and gas cutting operations. I advise you to find someone who understands this situation as soon as possible, or to leave this troublesome place right away. Wait until you have learned enough before taking on this job, as it is extremely important; otherwise, it could bring disaster and harm both you and others. Kind advice.
Reply #32019-07-29
Thanks for the advice. Thank you very much. I can’t escape this environment; I can only do my best to change it. Thank you again.
Reply #42019-08-09
Carbon monoxide and hydrocarbons (total hydrocarbons) both need to be monitored continuously! The cryogenic system can be deadly once there’s a carbon plug!

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