The processes and technical characteristics of producing butadiene using three different kinds of solvents by extractive distillation were reviewed in which solvents were acetonitrile,N,N'-dimethylformamide,methyl pyrrolidinone.
综述了用3种不同溶剂通过萃取蒸馏方法生产丁二烯产品的工艺流程及工艺特点,其中包括乙腈(ACN)法、二甲基甲酰胺(DMF)法和N-甲基吡咯烷酮(NMP)法；并介绍了UOP和BASF公司共同开发的炔烃选择加氢(KLP)与丁二烯抽提蒸馏联合工艺及一种抽提工艺改进技术,即分壁式技术。
Six extractive distillation solvents and four polymerization inhibitors for recovering styrene from pyrolysis gasoline were evaluated in the laboratory.
对萃取蒸馏分离苯乙烯可能的 6种溶剂和 4种阻聚剂进行了实验室评价。
A simulation calculation for the separation of 5 carbon stream by extractive distillation with DMF (N,N-dimethylformamide) solvent was made.
利用流程模拟软件对DMF（N，N-二甲基甲酰胺）法萃取蒸馏分离C5的工艺进行了计算，根据计算的结果，提出了一种改进的流程，并进行了计算，结果表明用精馏塔代替第二萃取塔是可行的。
Purification of tocopherols by distillation and extraction process
真空蒸馏-萃取法提纯天然生育酚的工艺
The Application of Molecular Distillation on the Separation of Flavor Components from Yunnan Tobacco Extract
分子蒸馏在云烟萃取物分离中的应用
Comparison between Simultaneous Distillation-Extraction Method and Head Space-Solid Phase Micro-extraction Method for GC-MS Analysis of Volatile Components in Douchi
同时蒸馏萃取与顶空固相微萃取法分析豆豉挥发性成分
Simultaneous Distillation Extraction and Its Applications in Analysis of Tobacco;
同时蒸馏萃取法及其在烟草分析中的应用研究
Comparison of Essential Oil Compositions of Zanthoxylum bungeanum Maxim. Obtained by Supercritical Carbon Dioxide Extraction and Hydrodistillation Methods
花椒挥发油的超临界CO_2萃取法与水蒸气蒸馏法提取的比较
Comparative studies on super carbon dioxide extraction and steam distillation methods of volatile oils from lotus leaves
超临界CO_2萃取与水蒸气蒸馏提取荷叶挥发油的比较研究
Chemical Component Comparison of Essential Oil Extracted from Pogostemon cablin by Supercritical CO_2 Extraction and Stream Distillation
超临界CO_2萃取法与水蒸气蒸馏法提取广藿香油的化学成分比较
Study on the Chemical Constituents of the Extractive from Episperm of Torreya Grandis by Supercritical CO_2 and Steam Distillation Method
超临界CO_2萃取法和水蒸气蒸馏法提取香榧外种皮化学成分研究
Comparison on supercritical-CO2 fluid extraction and steam distillation of essential oil from Fructus Xanthi
超临界CO_2萃取和水蒸气蒸馏法提取苍耳子挥发油的比较研究
Comparison of the Constituents of Essential Oil from Linder aggregate by Supercritical-CO_2 Fluid Extraction and Steam Distillation
超临界CO_2萃取和水蒸汽蒸馏法研究乌药中挥发性有机物
Study on the Antioxidative Activity of Lavender Oil Extracted by Steam Distillation and Supercritical Extraction
水蒸气蒸馏和超临界萃取薰衣草精油抗氧化作用研究
Comparison of Simultaneous Distillation Extraction and Solid-phase Micro-extraction for Determination of Volatile Flavor Compounds of Chicken Broth
同时蒸馏萃取和固相微萃取对鸡肉汤挥发性风味物质萃取效果的比较
Extraction and Separation of Chemical Components of Forsythia Fructus by Supercritical CO_2 Extraction and Molecular Distillation;
超临界CO_2萃取和分子蒸馏对边翘化学成分的提取、分离
Studies on Supercritical CO_2 Extraction-molecular Distillation of Essential Oil from Clove(Eugenia caryophyllata Thunb.) Bud
超临界CO_2流体萃取-分子蒸馏提取丁香精油的研究
Analysis on the Chemical Compounds of Essential Oil from Centipeda minima in Guizhou by Simulataneous Distillation and Extraction Method
同时蒸馏萃取法提取黔产鹅不食草挥发油的化学成分分析
Optimization of extraction process of flavor compounds in Jinhua ham by simultaneous distillation and solvent extraction
同时蒸馏萃取法提取金华火腿风味物质条件优化
Obtained by way of ancient distillation methods from genetically im proved fresh fruits and flowers.
※ 以古老的蒸馏法由品种改良的鲜果及花朵中萃取而得。
Analysis of Volatiles in Salted Flowers of Wild Chinese Chive by Simultaneous Distillation and Extraction Coupled with Gas Chromatography-Mass Spectrometry
同时蒸馏萃取-气质联机分析腌渍野韭菜花香成分