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- According to process design of azeotropic distillation column of MTBE plant, Commercial application of JCPT tray is introduced. 结合燕化公司MTBE装置扩能改造共沸蒸馏塔的工艺设计,介绍了JCPT塔板的工业应用情况。
- azeotropic distillation column 共沸蒸馏塔
- The distillation column is provided with plates. 蒸馏塔内装有塔盘。
- In this work use packed distillation column to find the ternary azeotropic of water-acetic acid-p-xylene.The ternary azeotropic doesn't exist in this work result. 中文摘要醋酸为工业界中常用的药品,可是醋酸与水会形成类似共沸之混合物,故使用传统蒸馏无法得到高纯度的醋酸。
- The principle and methods of azeotropic distillation drying as well as the choice of displacers were discussed. 探讨了共沸蒸馏置换干燥的基本原理、操作方法和置换剂的选择原则。
- In this article,multiple steady states in ternary homogeneous azeotropic distillation have been studied. 研究三元均相恒沸精馏多定态现象,进行含有多个精馏区域的三角形相图的多定态分析。
- Then studies the mechanisms of film evaporation and azeotropic distillation, in order to get the input variables. 随后,对薄膜蒸发和共沸精馏的机理进行了分析,并结合这两个装置的工艺流程,得到了影响输出的主要输入变量。
- Atmospheric distillation,vacuum distillation and azeotropic distillation processes were used to separate 1,2-dichloropropane from the waste liquor. 采用常压精馏、减压精馏、共沸精馏工艺分离环氧丙烷生产废液中的1,2-二氯丙烷。
- Aspen Plus simulation of different ternary azeotropic distillation system is used to check the feasibility of splits and product composition regions. 用Aspen Plus对不同的三组分共沸系统中跨越精馏单元边界的分离进行模拟分析,模拟结果与上述分析结果一致。
- Water in the precursor was removed by azeotropic distillation with n-butyl alcohol as an entrainer,and then it was dried and calcined to get nanocrystalline ceria. 用碳酸氢铵做沉淀剂,采用化学共沉淀法制备纳米氧化铈的前驱体,并以正丁醇为共沸剂经过共沸精馏除去前驱体中的水分,然后再烘干、煅烧制备了纳米氧化铈晶体。
- The production technology of biodiesel from high acid value waste oil with azeotropic distillation solvent-esterification and transesterification was studied. 研究以高酸值废弃油脂为原料,采用共沸蒸馏溶剂酯化-转酯化法制备生物柴油的技术。
- Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle. 研究表明,在共沉淀法中辅以共沸蒸馏过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体。
- The argon-rich waste stream from the low pressure column is sent to an argon distillation column. 从低压塔流出的富氩废物被送到氩分裂蒸馏塔。
- Aspen Plus simulation of several quaternary azeotropic distillation systems is used to check the feasibility of splits.The results are in good agreement with the analysis. 用Aspen Plus对多个四组分共沸系统中跨越精馏单元边界的分离进行模拟分析,模拟的结果与上述分析结果一致。
- Dynamic accumulative operation was feasible in binary batch azeotropic distillation, and operation by two tanks in turns was feasible in ternary batch azeotropic distillation. 因此,二元间歇恒沸精馏宜采用动态累积操作,三元间歇恒沸精馏宜采用双塔釜交替式操作。
- Recent research used an aNN to determine the operating conditions for a crude oil distillation column. 最近的研究使用ann来确定原油精馏塔的操作条件。
- A distillation column case study is given to illustrate the performance assessment method. 文中给出了这一综合性的性能评价方法在精馏塔控制中的应用。
- The running length of alkane distillation column was prolonged from average 2 months to more than 9 months. 环己酮生产工艺中烷蒸馏塔工作周期由改造前的平均2个月延长至9个月以上,实现整套装置长周期稳定运转。
- The slant-hole tray was applied to the technical innovation of vinyl acetate distillation column. 采用复合斜孔塔板对醋酸乙烯精馏塔进行了技术改造。
- Simulation of an acrylonitrile extractive distillation column demonstrated the efficiency of the proposed method. 通过对某丙烯腈萃取精馏塔的稳态仿真,充分证实了这种模型化方法的优越性。
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