Wuxi Fenigal Science & Technology Co., Ltd.
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High Strength DOW UF Membranes SFP-2660 / SFD-2660 For Pretreatment
As a highly efficient water treatment membrane material, the structural characteristics of Dow ultrafiltration membrane have an important influence on the filtration performance and use effect. Below we will analyze the structure of Dow ultrafiltration membrane in detail from three aspects: membrane layer structure, filtration principle and performance advantages.
1. Membrane layer structure
Dow ultrafiltration membrane is usually composed of a multi-layer structure, including a support layer, a transition layer and an active layer. The support layer provides the mechanical strength of the membrane and ensures the stability of the membrane during use; the transition layer plays the role of connecting the support layer and the active layer, while preventing leakage between the membrane layers; and the active layer is the key part of realizing the ultrafiltration function. Its surface is densely covered with micropores, which can intercept impurities such as suspended matter, colloids, and bacteria in the water.
2. Filtration principle
The filtration principle of Dow ultrafiltration membrane is mainly based on size exclusion and adsorption. When water passes through the ultrafiltration membrane, impurities larger than the membrane pore size are retained on the membrane surface, while water molecules and soluble substances smaller than the membrane pore size can pass through the membrane layer. In addition, the active layer on the surface of the ultrafiltration membrane also has a certain adsorption capacity, which can remove some organic matter and heavy metal ions in the water.
3. Performance Advantages
Dow ultrafiltration membrane has many performance advantages in the field of water treatment due to its unique structural characteristics. First, its efficient filtration performance can remove most impurities in the water and ensure the safety and reliability of the effluent water quality; secondly, the ultrafiltration membrane has good mechanical strength and chemical corrosion resistance, and can maintain a stable working state under harsh water conditions; finally, the filtration process of the ultrafiltration membrane does not require the addition of chemical agents, avoiding the generation of secondary pollution.
In short, the structural characteristics of Dow ultrafiltration membrane give it a wide range of application prospects in the field of water treatment. By deeply understanding its membrane structure, filtration principle and performance advantages, we can better grasp the core elements of ultrafiltration technology and provide a strong guarantee for improving water treatment efficiency and water quality safety.
Product Specifications
Figure 1: SFP and SFD 2660 (6-inch diameter)
Figure 2
Operating Parameters
Proper start-up of a UF system is essential to prepare the membranes for operating service and to prevent membrane damage. Following the proper start-up sequence also helps ensure that system operating parameters conform to design specifications so that system water quality and productivity goals can be achieved. Before initiating system start-up procedures, membrane pretreatment, installation of the membrane modules, instrument calibration and other system checks should be completed.
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About Us
FG Water Technologies (www.fgwater.com) is now an organic part of Wuxi Fenigal Science and Technology Co. Ltd., which is a high-tech entity integrating water treatment quipment design, manufacturing, trading and shipment served for main industrial sectors.
HAFE-FG Water Technologies has focused on the research of water treatment technology, equipment development and manufacturing, testing and international shipment etc. We work with many leading large-scale or small-medium original equipment manufacturers in China High-tech Development Zones, and engaged ourselves in R&D, manufacturing, and quality testing.
Our main products include a variety of water purification and different treatment equipment, such as seawater reverse osmosis (SWRO) system, brackish water rever osmosis (BWRO), ultrafiltration (UF)system, Electrodeionization/EDI equipment, media pressure filters and ion exchanger softeners. So far, our company has become a major water treatment equipment supplier for food and beverage industry, pharmaceutical industry, chemical industry, electric power industry, urban water supply industry, municipal and industrial wastewater treatment and more industries, as well as being an exporter to more than 20 countries and regions in Asia, Europe, the Americas, Africa, etc.
Our production system consist of a list of industry-specialized partnership factories accross China. Some of them singularly cover an area of over 10,000 square meters, including 5,000 square meters of workshop and warehouse and 1,500 square meters of office buildings. All of our technical staff has more than 10 years of experience in the design of water treatment systems, so we are able to provide the perfect solution for all kinds of water purification and sewage treatment applications.
Since the establishment, the Company has always regarded quality as the life of our business. We choose the best components only for the production of various water treatment systems. Our systems are easy to use and maintain, and they stays highly reliable even under toughest conditions.