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1)  vacuum distillation
真空蒸馏
1.
Industrial experiment on recovering metals from waste zinc-tin alloy by vacuum distillation;
真空蒸馏法从废杂锌锡合金中回收金属的工业试验
2.
Cadmium recovery process and modeling in the Ni-Cd batteries by vacuum distillation;
真空蒸馏回收镍镉电池中镉金属工艺优化模型研究
3.
Purification of γ-irradiated 30 % TRPO-ke rosene by vacuum distillation;
真空蒸馏净化辐照后的TRPO煤油体系
2)  vacuum distillation column
真空蒸馏柱,真空蒸馏塔
3)  vacuum membrane distillation
真空膜蒸馏
1.
Study of the mass transfer performance of removal of ammonia in water by vacuum membrane distillation;
真空膜蒸馏用于脱除水中氨的传质性能研究
2.
Low concentration ethanol aqueous solution separation by vacuum membrane distillation;
真空膜蒸馏法分离低浓度乙醇水溶液的试验研究
3.
Simulation and calculation of membrane parameters in vacuum membrane distillation;
真空膜蒸馏过程膜参数模拟计算
4)  vacuum distilling furnace
真空蒸馏炉
5)  Vacuum distillation rate
真空蒸馏率
6)  vacuum distillation
真空蒸馏法
1.
Study on ultrafine and crystal form control of NTO with vacuum distillation;
真空蒸馏法细化NTO及其晶型控制的研究
2.
In this paper, using acetone as the solvent and by changing the distillation temperature, the initial concentration of the solution and the vacuum system parameters, to control the particle size distribution of NTO, which is separated out from acetone solution with vacuum distillation.
采用真空蒸馏法,以丙酮为溶剂,通过改变蒸馏温度、溶液初始浓度、系统真空度等参数,探讨了各因素对NTO重结晶粒度分布的影响,并对超细化NTO进行了表征分析和撞击感度、爆速的测定。
3.
The three main methods for high purity zinc preparation,including electrolytic method,vacuum distillation,zone refining,are summarized and compared in this paper.
本文对目前高纯锌的三种主要制备方法(电解法、真空蒸馏法、区域熔炼法)进行了综述和比较。
补充资料:真空蒸馏
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性质:又称减压蒸馏或真空蒸馏。为取得更高沸程的石油馏分(350~550℃),必须在减压下蒸馏。造成减压有干式与湿式两种方法。干式靠机械真空泵在塔顶抽空,塔底不吹或少吹水蒸气,压力可低至1.3~2kPa;湿式则大量吹入水蒸气以降低油气分压,再使用大气冷凝器和抽空器降压,总压在2~8kPa。减压塔有燃料型(塔板15~17块,2~3个侧线)和润滑油型(塔板24~26块,4~5个侧线)两类。进塔温度380~400℃,前者较高;后者较低。燃料型主要生产裂化原料,润滑油型则生产润滑油料。塔底为减压渣油,可进一步加工或者生产燃料油或沥青。  

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