separation membrane

A comparison between two ways flow ( TWF) membrane filtration process and common membrane filtration process were made in a PVDF hollow fiber membrane separation process.

利用聚偏氟乙烯（PVDF）中空纤维膜，对比考察了双向流膜过滤工艺与普通膜过滤工艺。

Studies on the chemical composition of tea liquors subject to evaporation concentration and membrane separation concentration showed that the membrane separation concentrated tea liquor was remarkably superior to the conventional evaporation concentrated liquor in quality.

通过对蒸发浓缩和膜分离浓缩所生产茶汁中化学成分研究，结果表明膜分离浓缩所生产茶汁品质显著高于传统蒸发热浓缩工艺生产茶汁。

More over , it reviewed the history polymeric gas separation membrane and development of found mental theory.

还概述了气体分离膜科学发展的历史以及基本原理.

This article first studied the influence of operating pressure, time, temperature and recovery on the separation performance of NF membrane.

首先研究了操作压力、时间、进水水温及回收率对纳滤膜通量变化的影响。

Using separation membrane bioreactor ( MBR) can achieve effective removal of anionic surfactants in simulant wastewater, the result demonstrated that the removal efficiency exceeded 90%.

采用分置式膜生物反应器（MBR）进行去除模拟废水中阴离子表面活性剂（LAS）的实验，结果表明：MBR对阴离子表面活性剂的去除率高于90%。

Solid liquid separation is conduct with the remaining effect of the membrane module instead of the secondary sedimentation tank in conventional activated sludge process.

膜生物反应器通过膜组件的截留作用进行固液分离，省去了传统活性污泥法工艺中的二沉池。

Research on the enhancement of the membrane separation of tea liquor by pectinase

果胶酶提高茶汁膜分离性能的研究

The pore structure control methods of separation membrane are also given a detailed introduction.

并详细介绍了炭膜分离层孔结构的调控方法。

It was discovered that the lower polymer concentration, appropriate nonsolvent content, small molecular weight PVP additive and litter longer dry journey were propitious to obtain the porosity and high flux separation membrane.

聚合物浓度低、添加适量的非溶剂、以小分子量PVP为添加剂及干程稍长都将有助于得到多孔性、高通量的分离膜。

The principle of membrane gas separation is described in this paper. And the present applications of membrane gas separation technology in natural gas chemical industries are also described briefly.

文章介绍了气体膜分离的基本原理，并简述了气体膜分离技术在天然气化工中的应用实例。

Influences of Integration Process on Membrane Separation Performance and Esterification Reaction in Vitamin C Production

VC生产中集成工艺对酯化反应和膜分离性能的影响

Microwave has been applied in various membrane separation processes, e . g. gas separation, ultrafiltration, pervaporation et al.

微波已经被用于促进各种膜分离过程, 例如,气体分离, 超滤, 渗透蒸发等.

To generalizing the principle of gas separation membrane, the choice and characteristics of membrane materials, recent development in gas membrane separation, and development direction in future at home and abroad.

对于气体膜分离的机理、膜材料的选择及其特性，现今国内外气体膜分离的发展现状以及未来的发展趋势做了概述。

The relations of technical conditions, phase separation behaviors and membrane structures were obtained.

考察了具体因素对PES成膜过程中相分离行为以及最终膜结构的影响。