Core tips: the safety that should be paid attention to when touching nitrogen: nitrogen is colorless, odorless and odorless lazy gas. It itself does no harm to human body. If people absorb pure nitrogen, they will be suffocated due to severe anoxia and thus die.
First of all, it completely conforms to the general principle of distillation organization and simplifies the organization of air separation distillation. Secondly, after the air separation distillation is organized in this way, the argon component in the air is almost completely in the oxygen argon mixture at the bottom of the air separation column, which is greatly conducive to the improvement of nitrogen ...