1、

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。

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2、

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。

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3、

When tetraethylene glycol was used as membrane liquid, SLM showed that separation factor was about 20, and permeation flux 50-60 g/ ( m2 · h) at 40 ℃.

以四甘醇作为支撑液膜的膜液时,液膜稳定性最好,在40℃的操作条件下,分离因子接近20,渗透通量在50-60g/(m2·h)。

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4、

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。

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