应用纳滤膜技术对乌龙茶提取液进行浓缩试验研究。
Concentrating test of Oolong tea extract liquor was carried out by using nanofiltration membrane process.
纳滤膜分离非电解质时描述模型有立体阻碍-细孔模型;
The three-dimensional hindrance pored model can be applied to characterize the nonelectrolyte separation.
本文着重介绍了纳滤膜在国内外废水处理中的应用及研究进展。
Application and study progress of Nanofiltration membrane to wastewater treatment at home and abroad were briefly introduced in this paper.
本文对近十几年来我国纳滤膜技术的研究进展概况作了综合介绍。
The paper synthetically introduces the progress in studies on nanofiltration membrane technology in recent years in China.
说明纳滤膜的间歇渗滤操作过程能够实现染料溶液的脱盐和浓缩。
The experimental results showed that nanofiltration membrane NF270 in batch diafiltration operation mode was applicable in desalination and concentration of aqueous dye solution.
综述了纳滤膜的分离机理及其在食品和医药行业中的应用研究现状。
The separation mechanism of nanofiltration (NF) membrane and its applications in food and pharmaceutical industries are reviewed.
在相同通量条件下,纳滤膜所要求的驱动压力比反渗透膜要低得多。
In the same flux, NF requires much lower driver pressure than RO membrane.
针对纳滤膜应用于分离回收洁霉素废水中残余洁霉素作了试验性研究。
A study is conducted on separation and recycle of lincomycin from wastewater using nanofiltration membranes.
结果表明,CA50纳滤膜的盐截留率较低,对染料则有很高的截留率;
The results showed that, the salt rejection with CA50 nanofiltration membrane was lower than that of the dyestuff rejection.
综述了近十年来纳滤膜技术在氨基酸和多肽分离与纯化方面的研究进展。
This article describes the research progresss in the last ten years of nanofiltration techniques for the selective separation and purification of amino acids and peptides.
以聚间苯二甲酰间苯二胺为原料,采用相转化法制备了芳香聚酰胺纳滤膜。
Aromatic polyamide nanofiltration membrane is prepared by the solution of aromatic polyamide fiber via immersion precipitation phase inversion process.
纳滤膜的表面荷电特性会影响膜的渗透通量、选择透过性及其抗污染能力。
Surface charge performance of nanofiltration membrane affects the flux, permselectivity and the anti-pollution ability.
介绍了纳滤膜的制备方法和分离机理,并综述了纳滤技术在饮料工业中的应用。
The preparation methods and separating mechanism of nanofiltration membranes (NF) are introduced in the paper. The application of the NF technology in the beverage industry is summarized.
以聚丙烯腈膜为基膜,壳聚糖为改性剂,采用紫外辐射法制备了一种新型纳滤膜。
A new nanofiltration membrane was prepared by using the method of ultraviolet irradiation and polyacrylonitrile membrane as matrix membrane and chitosan as modifier.
国内传统的染料生产工艺采用盐析分离染料成分,现在用的较多的有纳滤膜脱盐。
The desalination from dye is using salting-out in domestic traditional process. Now there are more with the Nanofiltratio.
小试实验表明,纳滤膜对增白剂的平均截留率98 9%,对盐基本没有截留效果。
The rejection of optical brightener by nanofiltration membrane was 98. 9% and the salt could permeate through the membrane in the experiment.
纳滤膜分离技术在饮用水制备方面具有独特的作用,是制备优质饮用水的有效方法。
Nanofiltration membrane separation technology is an effective method for production of high quality drinking water.
实现该水处理方法的设备包括水泵、预处理装置、保安过滤装置、纳滤膜分离装置。
The device used for realizing the water treatment method comprises a water pump, a pretreatment device, a security filter and a nanofiltration membrane separating device.
本发明公布了一种复合膜的制备方法,具体是指一种杂环胺复合纳滤膜的制备方法。
The invention discloses a method for preparing composite membranes, specifically a method for preparing heterocyclic amine composite nanofiltration membranes.
本文综述了国际上已商品化的各种复合纳滤膜及其分离特性,并讨论了纳滤膜的应用。
Commercial composite membranes and their separation characteristics were reviewed in this paper with the discussion of application.
研究了以聚砜(PSF)平板膜为基膜时,PDMAEMA复合纳滤膜的制备条件。
The preparing conditions of PDMAEMA composite NF membrane were investigated, using PSF flat membranes as support membranes.
实验表明,所制备的纳滤膜能有效截留二价和多价阳离子,对单价阳离子的截留率极低。
The result showed that bivalent and multivalent cations could be removed effectively, while the rejection of univalent cations was very low.
本文主要介绍了用纳滤膜处理电镀镍漂洗水的小试研究、工业实践及硫酸镍初步纯化研究。
This paper introduces nanofiltration for nickel plating rinse water treatment in small-scale test, industrial practice and preliminary purification of nickel sulfate, respectively.
介绍了纳滤膜的制备方法和分离机理,并综述了纳滤技术在食品工业和制药工业中的应用。
The preparing methods and separating mechanism of nanofiltration membranes (NF) were introduced. The applications of NF technology in food and pharmaceutical industry were summarized.
实验结果表明,所制芳香聚酰胺纳滤膜对无机盐及小分子有机物具有较好的选择分离性能。
The results showed that the prepared aromatic polyamide NF membrane had better performance of selection and …
分别建立了以活性炭、锰砂及石英砂过滤为预处理的纳滤膜组合工艺系统净化受污染地下水。
Nanofiltration membrane combined technique system purifying polluted groundwater using active carbon, manganese sand and quartz sand filtrations for pretreatment was established respectively.
电渗析预处理能有效提高母液的纳滤膜通量,且通量衰减较慢,有利于草甘膦的纳滤分离提浓。
Electrodialysis pretreatment could significantly enhance the nanofiltration permeate flux and decreased the flux decine, which improved the nanofiltration separation of glyphosate liquor.
采用纳滤作为主体工艺生产直饮水,考察了两组标准脱盐率不同的纳滤膜对各种无机离子的去除效果。
Two sets of NF membranes with different desalination ratio were used as the main process to produce direct drinking water, and the removal effect of inorganic ions was investigated.
对电导率的平均去除率达55%。此外,还分析了纳滤膜的运行性能以及与原有反渗透处理工艺联合使用等问题。
In addition, some problems such as performance of NF and cooperative effects of NF-RO, etc was analysis.
采用流延的方式,将季铵化壳聚糖溶液与聚丙烯腈超滤膜进行复合,以混酐作交联剂,制备了一种荷正电复合纳滤膜。
A positively charged composite NF membrane was prepared by casting quaternized chitosan solution onto PAN ultrafiltration membrane and using mixed anhydride as cross-linking reagent.
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