selective azeotropic distillation

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。

Preparation of nanometer SnO_2 powder by sol-gel-azeotropic distillation technique;

溶胶-凝胶-共沸蒸馏技术制备纳米SnO_2粉体

Determination of Nonhalogenated Volatile Organic Compounds by Azeotropic Distillation Directly by GC/MS;

共沸蒸馏GC/MS测定非卤代挥发性有机物的方法研究

The preparation of ultrafine tourmaline powder by azeotropic distillation method;

共沸蒸馏法制备电气石超细粉末

The nanosized TiO2 powder prepared by foam flotation method was compared with the sample prepared by azeotropic distillation method.

对泡沫悬浮法和共沸蒸馏法的防团聚效果进行了系统比较。

1% of doped Fe3+ with direct precipitation method and azeotropic distillation method,and the physical phase and particle size are characterized though XRD.

本研究分别采用了直接沉淀法和共沸蒸馏法制备出掺Fe3+量为0。

Zinc oxide-doped CeO2 nanoparticles were synthesized by coprecipitation method combining with precursor treatment of butanol azeotropic distillation.

结果表明:正丁醇共沸蒸馏法能有效脱除前驱体凝胶中的水分,防止干燥和焙烧过程中硬团聚的形成,从而得到粒径更小、分布更均匀、分散性更好的纳米CeO2颗粒:2 mol％～10 mol％掺杂ZnO能与纳米CeO2形成固溶体,且掺入量增加引起纳米CeO2晶粒有所增大;随焙烧温度提高,ZnO掺杂纳米CeO2晶粒显著长大,而高温下随焙烧时间延长,其晶格进一步趋于完整,晶粒尺寸增加;纳米CeO2具有良好的可见光透过和紫外光吸收能力,ZnO掺杂不会影响纳米CeO2的紫外遮蔽效果。

TiO_2 and SnO_2 nano-powders were prepared by azeotropic distillation.

采用共沸蒸馏法分别制备了TiO2、SnO2纳米粉体,并应用XRD和TEM等分析方法对所得粉体进行了表征。

1% were synthesized by the azeotropic distillation method.

以共沸蒸馏法制备出结晶完整、分散性好、平均粒径为5nm左右以及掺Fe3+量为0。

selective azeotropic distillation

选择性溶剂共沸蒸馏

Simulation and optimization of azeotropic distillation of the solvent dehydration column

溶剂脱水塔共沸精馏过程模拟与优化

Study on Azeotropic Distillation of Solvent Dehydration in Production of Terephthalic Acid;

对苯二甲酸生产中溶剂脱水共沸精馏技术研究

Boiling Point Rise of Dilute Solution and Vapor Distillation: Are They Contradicted;

稀溶液沸点升高与水蒸汽蒸馏矛盾吗

Study on Solvent Selection and Batch Extractive Distillation Process;

萃取精馏溶剂的选择及间歇萃取精馏过程研究

Preparation of Nanometer Sized Powder LaCoO_3 via Stearic Acid Sol-Gel

硬脂酸溶胶凝胶法-共沸蒸馏法制备钙钛矿型纳米LaCoO_3

Selection of extractive distillation solvent for the purification of 1,2,3-trimethylbenzene from solvent oil

从溶剂油中提纯连三甲苯的萃取精馏溶剂选择

Preparation and Characterization of Indium Tin Oxide Nanocrystal powder by Azeotropic Drying with Iso-Amyl Acetate Method;

共沸蒸馏干燥法制备氧化铟锡纳米粉体及其性能表征

Study on Self-assembly of Block Copolymer in Selective Solvent;

嵌段共聚物在选择性溶剂中自组装行为的研究

Study on Heat Transfer Characteristics of Zeotropic Refrigerant Mixtures in Evaporators

非共沸混合制冷剂在蒸发器内换热特性的研究

Study on the Boiling Over Phenomenon of Adhesives and Coatings Distillation Process

胶粘剂和涂料蒸馏过程沸溢现象的研究

Modification of Alumina Nanoparticles with Lauric Acid by Azeotropic Distillation Method

共沸蒸馏法月桂酸表面修饰纳米氧化铝

We distil useful solvents from waste water

我们从废水中蒸馏出各种有用的溶剂。

The behaviour of multiple| efficiency evaporation was introduced.

介绍了腈纶生产中溶剂回收的多效蒸发工艺的特性，认为五效蒸发是最佳选择。

Determination of Volatile Compounds in Colza Oil by Solution Distillation GC/MS

溶剂蒸馏气相色谱-质谱法研究菜籽油挥发性成分

solvent-refined oil

溶剂(选择)精制油

Simulation of Dividing-Wall Azeotropic Distillation Column for Separation of Isopropyl Alcohol and Water

隔壁共沸精馏塔分离异丙醇水溶液的模拟

Study on the Solvent for the Separation of Isoparaffin and Naphthene (C_8～C_(14)) by Extractive Distillation;

萃取精馏分离C_8～C_（14）异构烃和环烷烃的溶剂选择