The cause of dimethylamine and the problems are analyzed.The method of absorbing dimethylamine with vitriol to eliminate the pollution caused by DMF negative pressure rectify device is put forward.

 
  • 针对二甲胺等恶臭气体产生原因及存在的问题进行分析,提出用硫酸鼓泡法吸收二甲胺,消除DMF负压精馏装置中出现的污染问题,以期取得良好的效果。
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