1.
After reforming, the top cyclohexene in separating column decreased from6.5% to4.0%, the top cyclohexene of recovery column decreased from3.5%～4.8% to2.5%, the purity of cyclohexene increased from95% to97%.
本次改造提供了一种萃取精馏塔扩能改造的新思路———更改部分工艺,提高提馏段效率。
2.
Abstract: Factors affecting type selection of internals in the tow er were analyzed.
文摘:分析塔内件选型的影响因素后，指出常压塔提馏段内件选用塔板较好。
3.
To refine or purify, especially by distillation.
精馏提炼或提纯，尤指通过蒸馏的方法来提纯
4.
Conclusion: TLC can be a useful method to investigate the distillation process for herbs which contain minimal volatile constituents.
结论 :薄层层析法可作为考察含少量挥发性成分药材蒸馏提取工艺的有效手段。
5.
Sodium is made by distillation.
钠是通过蒸馏提取的。
6.
Study on the Extraction of V_E by Molecular Distillation from Deodorizer Distillate;
分子蒸馏法从脱臭馏出物中提取V_E的研究
7.
Study on Batch Distillation of Heat Sensitive Material in a Batch Stripper;
用于热敏物料分离的提馏式间歇精馏过程研究
8.
Coke Deposition in Convection Tubes of Cracking Furnace for Oil Fractions
馏份油热裂解炉汽化段结焦机理探讨
9.
Simulation of Diabatic Distillation with Heat Integration between Column Sections
塔段透热能量集成精馏塔模拟及研究
10.
All of the above-mentioned products fall under the category of Petroleum Distillates.
上述提到的产品都属于石油蒸馏物。
11.
STUDY ON NXTRACTION OF QUAIACOL FROM WOOD CREOSOTE
从杂酚油馏份中提取愈创木酚的研究
12.
Purification of Dy,Ho and Er Metals by Distillation
金属镝、钬、铒蒸馏提纯效果的研究
13.
Discussion on the Quality Development of synthesised Acetone Cyanohydrin before the Rectification
提高精馏前合成丙酮氰醇质量的探讨
14.
Study on the Process of Decentralized Heating of Batch Stripping Distillation;
分散加热式间歇提馏操作过程的研究
15.
Separation of Vitamin E from Cottonseed Oil Deodorizer Distillate
从棉籽油脱臭馏出物中提取维生素E
16.
Study on reform the installation for the technology of extraction in the pomelo peel essential oil by the water vapor distillation
改革蒸馏装置提取柚皮精油工艺研究
17.
Proper Control of Liquor-distilling by Steamer to Improve the Yield & the Quality of Base Liquor
控制上甑馏酒工序 提高基酒产质量
18.
Comparison of Chemical Compositions between Two Essential Oils from Vetiveria zizanioides by Different Extraction Methods
蒸馏法提取香根油成分的GC-MS分析