减压柴油
- 网络VGO
减压柴油-
抽余油保留了焦化蜡油中绝大部分饱和烃，氮含量由原来的0.5%以上降低到0.21%以下，质量优于相应的减压粗柴油；
The nitrogen content were significantly reduced from more than 0.5 % to less than 0.21 % and most of saturates in CGO were remained in raffinate .
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常四线油作为减压塔回流增产柴油技术改造
Technological Remoulding to Improve Diesel Yield by Using No.4 Normal Line as Back Flow of the Vacuum Tower