ultra filtration

After the purification procedures including the ultra filtration, ion-exchange chromatography and the gel filtration were performed, the purity of the product, which was analyzed by HPLC, was 92%.

利用超滤、离子交换树脂及分子筛分离纯化，产物经高效液相色谱（HPLC）分析纯度达92%。

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Application of Ultra Filtration Membrane for Beer Making Water Preparation

超滤膜在制酒原水制备中的应用

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Ultra filtration and reverse osmosis were used for the treatment of circulating discharge water so as to use it for the make-up water of the boiler.

为达到循环冷却排污水回用于锅炉水的目的，采用超滤和反渗透的处理工艺。

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Such as ultra-filtration in oil wastewater treatment, seperation of suspension particles, etc, have been summarized in the article.

如超滤膜可用于处理含油废水、分离悬浮颗粒等。

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The results indicated that 0.5 μ m ceramic membrane can be used for pretreatment of the dilute tea saponin solution and PW ultra filtration membrane can be applied for concentration and purification.

结果表明：0.5μm的陶瓷膜预处理加PW超滤膜浓缩提纯的工艺适宜用于茶皂素的提纯浓缩。

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Application of Ultra Filtration in Water Treatment

超滤在补给水处理系统中的应用

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Foam-powder universal fire truck Cleaning of ultra-filtration membranes used for unicelluar alga concentration

泡沫－干粉联用消防车单胞藻浓缩液制备中超滤膜清洗方法的研究

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Indication of results: combine ultra-filtration with resin reach a high rate of extraction and colour of the product, lighten the resin on the state, raise working efficiency, and lower OD.

研究结果表明：超滤膜分离与大孔树脂吸附工艺结合，既能实现高提取率、高色价，以及减轻树脂吸附负荷和提高工作效率，又可降低OD比值；

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Study on the Determination of cmc by Double-point Ultra-filtration

双点式超滤法测定临界胶束浓度的研究

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Macromolecules, colloids, proteins and micro granules dissolved or semi dissolved in water could be removed by membrane ultra filtration ( UF) process under low pressure condition.

超滤膜可去除溶液中的大分子、胶体、蛋白质、微粒等，具有使用压力低、产水量大、便于操作的特点。

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This paper reviewed the main production process of spray-dried plasma protein, which contains centrifugal separation of plasma 、 ultra-filtration of plasma protein and spray drying of plasma protein.

本文介绍了喷雾干燥血浆蛋白粉的主要生产工艺，即血浆分离、超滤浓缩血浆蛋白、喷雾干燥。

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Therefore, ultra filtration treatment is to be applied to the membrane process to solve the pollution problem and ensure the safe operation of the system.

为此在膜工艺中增加了超滤处理，解决了污堵问题，确保了系统的安全运行。

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The results showed that ultra filtration by the molecular mass cutoff 10000 was suitable for egg white, the desalinization rate was 83.81%, and the protein retention was 86.1%.

利用超滤技术对咸鸭蛋蛋清直接脱盐，选用截留分子量为10000的超滤膜可使脱盐率达到83.81%，蛋白质截留率达到86.1%。

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Health Risk Assessment on the Reuse of Reclaimed Wastewater from Direct Ultra-filtration Process

直接超滤再生水的回用健康风险评价

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To get rid of tea polyphenol, protein, soluble sugar in waste industrial liquid, some of chemical technique for separation, such as flocculation, membrane ultra filtration, absorption, ion-exchange absorption and re-crystallization were employed.

茶多酚工业废液中含有大量的茶多酚、糖类及蛋白质等杂质，研究采用各种分离的手段，如絮凝、超滤、吸附、阳离子交换及重结晶的工艺来除去杂质，分离纯化茶氨酸。

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Ultra Filtration Equipment pattern of Hollow-fibre

中空纤维超滤膜装置模糊控制的研究

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The observation of first order transition in ultra-filtration of flexible linear polymer chains

高分子线性柔性链在超滤过程中第一类突变现象的观察

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The invention is concerned ultra filtration prepare method of poly ( vinylidene fluoride ) flat with grads structure.

本发明公开了一种梯度结构 聚偏氟乙烯 平板超滤的制备方法.

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Concentration of protein extracted from residual activated sludge by membrane ultra filtration

用超滤膜法浓缩剩余污泥中蛋白提取液的实验研究

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The attenuation rate of flux of the membrane with 70000 of retain molecular weight is lower than of the membrane with 20000 and the time needed for equivalent liquid medicine by the method of ultra-filtration reduces twice.

70000膜膜通量衰减小于20000膜，超滤等量药液所需时间缩短两倍。

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Optimization control for ultra filtration membrane separated-machine

超滤膜分离设备优化控制的研究

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The low-solid ultra low filtration drilling fluid can be used in screen-pipe completed wells, to aid in reservoir protection.

低固相超低渗透保护油气层钻井液技术适应筛管完井的水平井油层保护，具有较高的现场应用价值；

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In this paper using ultra filtration technique, pure solution is got to eliminate the influence and determine molecular weight and degree of hydrolysis accurately.

采用超滤方法，应用美国微孔切向流超滤系统，消除了盐和其它杂质的影响，得到了较纯净的聚合物溶液，从而准确测定了产出液中聚合物的分子量和水解度。

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The possibility of using hollow fiber ultra filtration membrane to separate rape seed protein from rape-seed meal was indicated.

研究了利用中空纤维超滤膜分离菜籽饼粕中蛋白质的可行性。

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The applications of membrane techniques of ultra-filtration, micro-filtration, liquid interface membrane, and dynamic membrane in the treatment of oil, environment, and heavy metal wastewaters.

综述了超滤、微滤、液膜、动态膜等膜技术在含油废水、生活废水、重金属废水处理中的应用。

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In order to reuse the wastewater to cycle cooling water system, the treatment and reuse of petrochemical wastewater by using the technology of biological aeration filter ( BAF) and ultra filtration ( UF) has been used.

采用生物曝气滤池+超滤的方式对石化企业外排污水进行深度处理，以达到回用于循环冷却水系统的目的。

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Experiment of a combined process of ultra filtration membrane and activated carbon adsorption was conducted for high quality drinking water preparation.

就活性炭吸附和超滤膜分离联用技术生产优质饮用水进行试验。

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The result shows that the ultra filtration function film of PVDF can effectively get rid of turbid degree, bacterium, colloidal and organic particle in water and it can also prevent pollution effectively to keep longer production cycle.

结果表明，PVDF超滤膜可以有效去除水中浊度、细菌、胶体和有机颗粒，同时还具有较高耐污能力的特点，可以保持较长的生产周期。

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Process and equipment modification for oil separation and ammonia separation in middle and small ammonia plant with ultra filtration technology are discussed. The benefit of the modification is introduced.

重点论述中、小、大氮肥装置氨合成圈中油分离、氨分离工艺及设备，采用超滤技术的改造效益和途径。

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Some processes to treat waste emulsion are presented and the mechanism and application of Ultra filtration ( UF) process are described focusing on the technical process and its automation.

介绍了废乳化液的处理方法，论述了超滤技术及其应用，重点讨论了废乳化液超滤工艺及自动控制的设计。

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