Solvent recovery of batch extractive distillation for separation of ethanol-water;
乙醇-水分批萃取精馏中溶剂的回收过程
The fractional extraction on Longkou lignite by different solvent was used for the studying of the occurrence modes and the variations of small molecular phases in coal.
研究煤萃取后的小分子相的赋存方式及其变化规律,用不同溶剂对龙口褐煤进行了分级萃取。
Group separation of soluble organic compounds in wheat stalk can be achieved by fractional extraction.
采用二硫化碳、苯、甲醇、丙酮和四氢呋喃对未氧化和氧化的麦秆进行分级萃取,比较麦秆各级萃取物的相对含量和组成差异,并对各级萃取物的组成进行GC/MS分析。
Separation of amino acids by aqueous surfactants two-phase extraction;
表面活性剂双水相萃取分离氨基酸研究
Extraction Separation and Determination of Ruthenium in Ethanol-salt-water-5-Br-PADAP System;
乙醇-盐-水-5-Br-PADAP体系中萃取分离测定钌
Application of ionic liquids in extraction separation including solid-solid separation of sodium sulphate and taurine,separation of benzene,toluene,ethylbenzene and xylene from coating material and the recovery of nuclear waste using solid-liquid separation,separation of rare metal using monoazo substituted crow ether as ionic liquids,and desulfurization of.
简要介绍了离子液体的合成方法、表征方法及离子液体对高分子材料的溶解性和降解性;详细介绍了离子液体在萃取分离中的应用,包括硫酸钠和牛磺酸的固-固分离,涂料中苯、甲苯、乙苯、二甲苯分离和核废料回收的固-液分离,单偶氮取代的冠醚离子液体对稀有金属的分离及汽油脱硫等液-液萃取分离,离子液体与超临界CO2结合的萃取分离等。
In the design,height of water column is increased and steam-water separation process of diluted acid from the water washing system is improved,which brings into full play the extraction and separation ability of water washing column,meets the requirement of production and reduces the cost.
本文论述了12000t/年HCFC-22工程水洗系统的完善设计,加高了水洗塔的高度,改进了水洗系统产生的稀酸在进行气液分离过程的生产工艺,使水洗塔的萃取分离能力充分发挥出来,满足生产要求,降低成本,同时减少了由于稀酸在气液分离过程中的不合理工艺而造成的环境污染。
The status of process analysis for RE extraction and separation in china is introduced.
简介了我国稀土萃取分离过程分析的现状 ,对稀土分离生产线实现在线分析与自动化控制有一定的参考价
A two-phase system of n-propyl alcohol and water containing iodide and ethyl violet was used for the extraction and separation of Cd2+ complexes in electroplating wastewater,based on the complexing reaction between Cd2+ and iodide and ethyl violet in the presence of(NH4)2SO4.
利用Cd(Ⅱ)与乙基紫(EV)、KI缔合后,加入盐析剂丙醇-水双水相体系萃取分离镉。
Separation/purification of DNA by solid phase extraction with 330 anion exchange resin
阴离子交换树脂固相萃取分离纯化DNA
Advances in the Research of Ionic Liquid on Extrction and Separation
离子液体在萃取分离领域的研究进展
Extractive separation and GC/MS analysis of alkanes from Lingwu coal
灵武煤中烷烃的萃取分离和GC/MS分析
New Extractional Process for Separation of the Rare Earth Mineral with Middle Y and Rich Eu
中钇富铕稀土矿萃取分离新工艺研究
Investigation on the Method of Extraction-Separation fr High Contents of As(Ⅲ)and As(V)
高含量砷（Ⅲ）与砷（Ⅴ）的萃取分离法研究
The Study of Extraction of Carboxylic Acids from Dilute Aqueous Solutions;
稀水溶液中有机羧酸的萃取分离研究
Aqueous Two-phase Extraction of 2,3-Butanediol from Fermentation Broths;
双水相萃取分离发酵液中2，3-丁二醇
Study on the Extraction and Separation Performance of Cyanex272 in Pr(Ⅲ)-Cu(Ⅱ) System;
Cyanex272萃取分离Pr(Ⅲ)-Cu(Ⅱ)体系的性能研究
Extraction and separation of isoflavones by SFE-CO_2
SFE-CO_2技术萃取分离异黄酮苷元的研究
Determination of impurities in high purity aluminium by inductively coupled plasma mass spectrometry after matrix separation
萃取分离-ICP-MS测定高纯铝中痕量元素
Extraction Separation and Spectrophotometric Determination of Zirconium and Hafnium
P507萃取分离-二甲酚橙光度法测定锆铪
Study on the Aqueous Two-phase System Extraction Separation of Cu with Ethanl-(NH_4)_2SO_4-DDTC System
乙醇-盐-水-铜试剂体系萃取分离测定铜
extraction fractionation
提取分级（分离），萃取分级
Treating Tobacco Extract Liquid with Flocculation-high-speed Centrifugal Separation
絮凝-高速离心分离处理烟草萃取液
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
centrifugal extractor
离心提取仪，离心萃取器
Study on Separation of Azeotrope Mixtures by Batch Extractive Distillation;
共沸混合物的间歇萃取精馏分离研究
Study on Separating Methyl Acetate-Methanol by Salt Extractive Distillation;
加盐萃取精分离醋酸甲酯—甲醇的研究