azeotropic process
英
美
网络 共沸过程
双语例句
- Study on a novel technique of azeotropic dehydration process for drying methomyl oxime;
介绍了水在液化气中的存在形式和脱水方法的研究进展。 - Study of normal distillation and azeotropic distillation in refining process of crude acetic acid
普通精馏和共沸精馏精制粗乙酸的研究 - Abstract: a new method on Extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best process is obtained.
文摘：研究了从粗蒽中提取菲的方法，即用乙二醇对原料进行共沸，以四氯化碳为溶剂并用硫酸处理，最后用无水乙醇重结晶，制定出最佳的工艺路线。 - Simulation and optimization of azeotropic distillation of the solvent dehydration column Study of normal distillation and azeotropic distillation in refining process of crude acetic acid
溶剂脱水塔共沸精馏过程模拟与优化普通精馏和共沸精馏精制粗乙酸的研究 - The azeotropic temperature of tetrahydrofuran ( THF) and water changes with the pressure, based on this characteristic a purification process of pressurized column and atmospheric column was established.
利用四氢呋喃（THF）溶液的共沸点随压力改变的特性，提出加压塔-常压塔双塔提纯工艺。 - By using azeotropic distillation method to separate water from PGME and calculating with UNIFAC thermodynamic equation as state equation, the process simulation is conducted and corresponding technological coefficients are worked out.
采用恒沸精馏方法来分离水和丙二醇单甲醚，并以UNIFAC热力学方程作为物性计算方法进行了全流程模拟计算。 - Agglomeration free silica powder with particle diameter in the range 20 to 40 nm are prepared by n butanol heterogeneous azeotropic distillation process.
采用正丁醇共沸蒸馏法制备了粒径为20～40nm的无团聚SiO2粉末。 - Separation of acetic acid-water-butyl acetate system is a gas-liquid-liquid three phase azeotropic distillation process, and phase splitting judgment and algorithm improvement are the main issues in distillation simulation.
乙酸水乙酸正丁酯体系的分离是汽液液三相共沸精馏过程，相分裂的判断和精馏塔算法的改进是进行该精馏过程模拟的两个主要问题。 - Therefore, butoxy in n_butanol can be adsorbed chemically on the surfaces of the tourmaline particles in the process of azeotropic distillation, which can effectively prevent the formation of liquid_bridge between the particles of tourmaline and avoid the hard aggregation in the drying process.
正丁醇中的丁氧基在共沸蒸馏过程中在电气石颗粒表面可取代羟基，产生化学吸附，能有效防止液桥的产生，阻止干燥过程中超细粉末的硬团聚。 - For improving the yield and quality in azeotropic crystallization process of penicillinG three measures were applianced: ( 1) increasing the distillation rate before coming out crystal;
为提高青霉素钾工业盐收率和产品质量，主要采取了3方面的措施：（1）加快出品前蒸馏速度，缩短共沸时间； - Concentrated nitric acid manufactured by super azeotropic acid distillation process
超共沸酸精馏法制取浓硝酸 - The experimental results indicated that the effect of azeotropic distillation process is the best.
实验结果显示，共沸精馏工艺的效果最好； - To produce anhydrous alcohol by using azeotropic distillation have lots of merits such as continuous operation, less investment, lower energy consumption, high purity of product and so on. now It is the most popular process in anhydrous alcohol preparation.
采用共沸精馏法生产无水乙醇具有生产连续、投资少、消耗能源品位低，产品纯度高等优点，该生产工艺目前还是工业化生产工业无水乙醇的主要方法。 - As there exists azeotropic composition for high concentration ethanol/ water mixture, the separation of ethanol/ water based on distillation and ethanol dehydration consume a major part of energy in an ethanol production process.
具有较高乙醇浓度的乙醇/水混合物存在共沸组成，因此基于精馏的乙醇-水的分离及脱水在乙醇工业生产的能耗中占有很大的比例。