Membrane technologies consist of a group of treatment processes which include reverse osmosis, nanofiltration and ultrafiltration.
膜技术由一系列的处理程序组成，其中包含反渗透，纳滤和超滤。
The primary difference between reverse osmosis and ultrafiltration or microfiltration is the size of molecules that can pass through the membrane.
反渗透、超滤、微滤之间的基本差别就在于通过膜的分子的大小。
Polymer membrane Recently, polymer membranes made from polyamides and polysulfones have taken the place of cellulose acetate, at least for ultrafiltration.
聚合物膜近年来，由聚酰胺和聚砜制成的聚合膜至少在超滤时已取代了纤维素醋酸酯。
NPVDF hydrophilic ultrafiltration membrane, pollution resistance, pressure resistance is strong, strong toughness, high filtration precision, quality guaranteed.
NPVDF亲水超滤膜，抗污染，抗压力强，韧性强，过滤精度高，水质有保障。
With tubular polysulfone ultrafiltration membrane separation unit treating the produced sewage on the spot, the treated sewage can meet the water injection standard in low permeability oil field.
用管式聚砜超滤膜分离装置现场处理采油污水，经过处理的污水达到了低渗透油田注水标准。
A new type ultrafiltration membrane was prepared, and it is not only suitable for separation and concentration of the middle-alkali but also the non-alkali galss fiber lubricant wastewater.
本文介绍最近研制出的一种既适合分离和浓缩中碱又适合无碱玻璃纤维浸润剂废水的新型超滤膜。
The result shows that tubular ultrafiltration membrane is able to remove crude oil, suspended substances, and polymer from the wastewater and ensures the reliable operation of electrodialysis device.
结果表明，管式超滤膜能有效去除水中的原油、悬浮物和聚合物等杂质，保证了电渗析装置的平稳运行，而电渗析是一种经济有效的降矿化度技术；
This alkaline agent used for cleaning ultrafiltration membrane fouled with oil waste water from industry was investigated.
针对含油工业废水超滤处理的超滤膜污染，研制了一种高效碱性清洗剂。
In this paper a technology making ultrafiltration membrane fortified by cellulose was presented. And structure and properties of the membrane were studied.
本文对一种新型增强超滤膜的成膜工艺及其结构和性能进行了较深入的研究。
A novel antipollution ultrafiltration membrane and reverse osmosis combined membrane process were applied for in the textile wastewater treatment and reuse.
文章研制了一种新型抗污染超滤膜，结合反渗透技术成功处理印染废水。
A hollow fiber ultrafiltration membrane was prepared by using polyvinyl chloride and polysulfone blends and the dry wet spinning technology.
将聚氯乙烯和聚砜共混，采用干湿纺工艺制备了中空纤维超滤膜。
This article describes membrane separation mechanisms of microfiltration(MF), ultrafiltration(UF), nanofitration(NF)and reverse osmosis(RO).
描述了微滤、 超滤、纳滤及反渗透薄膜分离机理；
Ultrafiltration is a new membrane separating technique.
超滤是一项新兴的膜分离技术。
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.
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。
The experimental results showed that the different conditions of pretreatment and ultrafiltration would have caused differences of the membrane resistance.
试验结果表明：预处理及超滤条件不同，其过滤阻力构成也不同。
The BSA filled facilitated transport ultrafiltration membrane is prepared by filling albumin into the unsymmetrical finger like polysulfone membrane.
以聚砜为原料制得非对称多孔指状超滤膜，将白蛋白固定于该膜中制得了固定白蛋白促进传递膜。
The equipment operating condition of flat membrane ultrafiltration was determined experimentally, which including stirred speed, pressure, flux ratio.
通过实验确定了平板膜实验装置超滤过程的操作条件，包括搅拌转速、操作压力、流量比等。
There are more and more researches about the intellectualization and the functionalization of ultrafiltration membrane at present.
目前，关于超滤膜的智能化和功能化的研究越来越多。
The ultrafiltration membrane can be divided into categories according to film-forming inorganic membrane materials and polymer membrane.
其超滤膜种类按成膜材料可分为无机膜和高分子膜。
By coating the blend of poly (vinyl alcohol) and chitosan on the inner surface of poly (acrylonitrile) hollow fiber ultrafiltration membrane, the composite membrane for pervaporation was obtained.
本文将聚乙烯醇和壳聚糖混合物涂到聚丙烯腈中空纤维内表面制备用于渗透汽化过程的中空纤维复合膜。
Pectic oligosaccharide produced by microwave and autoclave extraction were observed with higher degrees of polymerization than those by an ultrafiltration membrane enzyme reactor.
用微波和高压提取的方法提取的果胶低聚糖比用超滤膜酶反应器的提取的具有更高的聚合度。
The blend ultrafiltration membrane of the polysulfone and sulfonated polysulfone has been obtained. This membrane has moderate water flux, more than 90% retention for PEG 3000.
本文以聚砜和磺化聚砜为原料，制备了低截留分子量的共混超滤膜，此种膜具有适中透水量，对分子量3000的PEG截留率在90%以上。
The invention relates to a preparation method of a polyvinylidene fluoride (PVDF) ultrafiltration membrane with improved permeability.
本发明涉及一种改善通透性的聚偏氟乙烯超滤膜的制备方法。
The invention relates to a protein pollution-resistant polyether sulfone ultrafiltration membrane with controllable flux and a preparation method thereof.
本发明涉及一种可控通量抗蛋白质污染聚醚砜超滤膜及其制备方法。
The problem and trends of ultrafiltration membrane to water treatment was pointed out.
并指出目前超滤膜在水处理中应用存在的问题和今后研究的方向。
The invention discloses a high-strength and hydrophilic polysulfone hollow fibre ultrafiltration membrane, belonging to the technical field of membranes.
本发明公开了一种高强度、亲水性聚砜类超滤膜，属于膜技术领域。
Now membrane ultrafiltration membrane treatment technologies, nano-filtration membrane and reverse osmosis membrane.
现在膜处理技术主要有超滤膜，纳米滤膜和反渗透膜。
During experimental process of ultrafiltration-nanofiltration, membrane technology was tested better than original technology in separation and abstraction of oxytetracycline further.
在超滤-纳滤连续性实验中，进一步验证了对土霉素的分离提纯膜分离技术比原树脂脱色效果好。
During experimental process of ultrafiltration-nanofiltration, membrane technology was tested better than original technology in separation and abstraction of oxytetracycline further.
在超滤-纳滤连续性实验中，进一步验证了对土霉素的分离提纯膜分离技术比原树脂脱色效果好。
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