蒸汽渗透

分离乙醇水近共沸物PVA蒸汽渗透膜的制备

The Preparation of PVA Vapor Permeation Membrane Separating Ethanol-water Closed Azeotrope

新型改性氧化铝膜蒸汽渗透分离醇水混合物

Novel modified alumina membrane separating ethanol / water mixtures by vapor permeation

渗透汽化（PV）、蒸汽渗透（VP）膜分离方法，在有机物/水混合物、有机物/有机物混合物的分离中得到了广泛应用。

The membrane techniques of pervaporation ( PV ) and vapour permeate ( VP ) have been extensively applied to separation of organic / water mixture , organic / organic mixture .

渗透汽化和蒸汽渗透技术的研究、应用现状及发展

Research , application situation and development of pervaporation and vapor permeation technology

聚乙烯醇中空纤维复合膜的蒸汽渗透性能评价

The estimation of steam osmosis performance of polyvinyl alcohol hollow fiber complex membrane

用于芳烃/烷烃体系蒸汽渗透分离的离子液体支撑液膜研究

Separation of Aromatic Hydrocarbon / Alkane Mixtures Using Supported Liquid Membrane with Ionic Liquids

支撑液膜蒸汽渗透法分离甲苯/环己烷

Separation of Toluene / Cyclohexane by Vapor Permeation with Double Layer Supported Liquid Membrane

实验中还以乙醇-水近共沸物为对象，采用蒸汽渗透技术对PVA/PVDF复合膜分离性能进行了研究。

Then we adopted vapor permeation to research on the separation performance of PVA / PVDF .

根据蒸汽渗透理论对两种不同构造形式的腹板开孔轻钢龙骨复合墙体进行了传湿分析。

Based on the theory of moisture permeation , moisture transfer of the slotted light steel-framed composite wall is analyzed .

在对建筑物围护结构的传湿机理进行分析过程中，将工程上常用的蒸汽渗透原理应用于实际计算之中。

During the analyzing course of moisture transmitting mechanism about building structure , the vapor penetrating principle is used in practical engineering .

首先研制了蒸汽渗透膜，选用聚砜中空纤维支撑膜，采用涂布法制备了壳聚糖复合膜。

First we research and develop steam osmosis membrane , choose polysulphone hollow fiber supported membrane by plastering method to prepare chitosan complex membrane .

蒸汽渗透是一种新型膜分离技术。

Steam osmosis is a new type of membrane separation technology , the purpose of this article is to eliminate the trace moisture in propylene .

研究了浸渍温度和时间，蒸汽渗透时间，水渗透时间和煮茧时间对丝质性状的影响。

The effect of retting temperature and duration , steam permeation duration , water permeation temperature and cooking duration were studied with respect to various reeling and quality parameters .

建立了精馏-蒸汽渗透耦合分离乙烯／乙烷系统的动态模型。

And corresponding integrated control scheme figures were given in the article . ( 2 ) Dynamic models of the distillation-vapor permeation hybrid process on ethylene / ethane system were built .

蒸汽渗透技术具有能耗低、过程简单、分离因子高、操作灵活等优点，而且它的渗透通量较低，这使得它特别适用于微量可凝组分的分离。

The vapor permeation technology has many advantages like lower expenditure of energy , simpler process , higher separation factor , more flexible operation and etc. And it is suitable to separate trace of condensible components due to lower permeation flux of the membrane .

用聚酰亚胺中空纤维膜，对以蒸汽渗透和渗透汽化两种方式分离甲醇/甲基叔丁基醚混合物（甲醇质量分数为0.01～0.30）的效果进行了对比。

In this work , a hollow fiber membrane module made from a kind of polyimide was used to separate the methanol MTBE mixtures ( the feed mass fraction of methanol in the range 0.01-0.30 ), the pervaporation and vapor permeation were all used .

无孔的硅橡胶膜具有不透无机盐成分、疏水性和对挥发性有机物组分有较高的渗透选择性等优点，已被研究用于挥发性有机化合物的渗透汽化或蒸汽渗透分离。

Owing to its high selective permeability and with the virtue of insulating other inorganic ions , the nonporous hydrophobic silicone rubber [ polydimethysiloxane ( PDMS ) ] membrane has been investigated for separation of volatile organic compounds from their aqueous solutions by pervaporation or vapor-permeation .

因此，本论文针对精馏-蒸汽渗透耦合分离乙烯／乙烷系统制定了三种控制方案，建立相应的动态模型，并对不同模型中的参数进行比较，从而确定最优方案。

Three different control schemes of distillation-vapor permeation hybrid process on ethylene / ethane system were put forward in this article . Then dynamic models were built on the base of the control schemes . At last the optimal scheme was confirmed with the comparison of parameters .

利用蒸汽压渗透法对不同系列的DFI进行了分子量测试。

Different series of DFI were tested by molecular weight apparatus .

加入白醋的水蒸汽会渗透衣服上的香烟味，消除异味，让你的衣服气味清新。

The vinegar vapors will penetrate the smoke smells on your clothing and remove the odors , leaving your clothes smelling fresh .

298.15K下Li2B4O7-H2O体系水蒸汽分压及渗透系数的等压测定和离子相互作用模型

Isopiestic Determination of Vapor Pressures and Osmotic Coefficients and the Ion-interaction Model for Li_2B_4O_7-H_2O System at 298.15 K

本文以水蒸汽/丙烯为分离物系，采用蒸汽渗透技术考察了制膜液浓度，交联剂用量，热处理温度和时间等因素对聚乙烯醇复合膜蒸汽渗透性能的影响。

This article which uses vapor / propylene as separation system inspects the effects of concentration of preparing membrane , the quantity of cross-linker used , the temperature of thermal method and time on the steam osmosis performance of the polyvinyl alcohol complex membrane by the technology of steam osmosis .