1) vacuum-distillation
减压-精馏
2) vacuum rectification
减压精馏
1.
The vacuum rectification of crude biodiesel was analyzed by simulation software .
0是较优的减压精馏操作范围。
2.
Application of vacuum rectification technology, molecular distillation technology, and high pressure rectification technology in oils and fats industry were reviewed.
综述了精馏技术在油脂工业中的应用进展,主要介绍了减压精馏技术、分子蒸馏技术以及高压精馏技术在现代油脂工业中的应用,并对精馏技术在今后油脂工业的应用前景及发展方向进行了阐述。
3.
The new separation technology of the high-purity anethole from star anise oil was studied,especially on the optimum separation conditions of freezing crystallization and vacuum rectification.
对冷冻结晶得到的茴脑粗品进行减压精馏的最佳工艺条件为:回流比10∶7,精馏温度塔釜140℃,真空度666。
3) vacuum distillation
减压精馏
1.
Separation of benzoic acid waste by flash-vacuum distillation;
闪蒸-减压精馏分离苯甲酸废料
4) reduced pressure distillation
减压精馏
1.
The tall oil from waste fluid in papermaking,first purified by reduced pressure distillation, then some composite additives were added.
使用造纸废液中塔尔油,经减压精馏纯化,适当加入复合添加剂,制得优质醇酸树脂,从而制备出性能较好的工业底漆。
5) decompressing rectify
减压精馏
1.
The preparation techniques of this article is decompressing rectify and shared boil rectify.
本文的制备工艺是采取减压精馏和共沸精馏的方法,产品纯度高于98%,且收率可达55%,有较高的应用价值。
6) vacuum batch distillation
减压间歇精馏
1.
In the previous study on the purification of nerol and geraniol by vacuum batch distillation,the temperature of still pot was high,the period of experiment was too long and yield was small(46%) though distillate of nerol's purity .
以往研究中应用减压间歇精馏分离橙花醇和香叶醇的混合物,一次精馏得到90%以上的产品收率低(仅为46%),且塔釜温度较高,操作周期长,不宜于工业生产。
补充资料：减压馏程
分子式：
CAS号：
性质： 石油产品在规定条件下减压蒸馏得到的以初馏点和终馏点(换算为常压)表示其蒸发特征的温度范围。
CAS号：
性质： 石油产品在规定条件下减压蒸馏得到的以初馏点和终馏点(换算为常压)表示其蒸发特征的温度范围。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条