Dow RO Membrane
Dow RO membraneIn 1897 established in the United States the dow chemical company is a science and technology of transnational companies,Website:, mainly give priority to development and production series chemical products, plastic products, and its products and viz., widely used in construction, water purification, papermaking, drugs, traffic, food and food packaging, household and personal care, etc. Our business includes 180 countries and regions, 4.6 million employees worldwide in 2003, the total sales amounting to $33 billion, up more than 3,500 product type.As of the industry leading chemical enterprise, dow conscious of the importance of sustainable development, know the knowledge of science and technology is the core of the human society sustainable development, therefore dow chemical over the years has been will sustainable development strategy into the enterprise culture. In 2001, on the global most authoritative dow Jones global sustainable development index synthetic evaluation, dow won the global sustainable development HuaGongJie "2001 leader" title, 2002, in the world's largest 2,500 home global chemical enterprise to the fore, selected as the leading global chemical company.Dow in China development briefIn 1897, Dow Chemical (Dow Chemical, hereinafter referred to as the "Dow) company was established in the United States, and gradually developed for a with science and technology to grow perceptibly, a global leading large multinational enterprises.In the 1930s, dow in China after years of business, have established representative offices.In 1998, the dow China investment Co., LTD. Was founded in salary adjustment, staff development plans and so on various aspects sharing dow global uniform platform.In 2004, dow established in Shanghai in the greater China region headquarters, in greater China, business office development to five, the production base development to 11, the staff of nearly 1,400 people.In December 2004, dow and China's largest coal enterprise shenhua group signed collaboration, both on coal to olefin project feasibility study, research is underway.In August 2005, dow announced in Shanghai zhangjiang hi-tech park establishes first dow center, covers an area of more than 65,000 square meters. New dow center will include a state-of-the-art r&d center and a global information technology center.In 2006, dow global sales of $46 billion us dollars in fortune global 500 ranked 114 bits, clients around 175 countries. Dow in the greater China region sales amounting to $2.3 billion, the greater China region has become the dow's third-largest market, behind the United States and Germany.In 2007, the acquisition of zhejiang euramerican environmental engineering Co., LTD, will enable dow in water treatment field, three key components of new technology: ultrafiltration, membrane bioreactor and continuous electro-deionization. In the meantime, also make dow can in the Chinese market will expand beyond system manufacturing.Dow chemical liquid separation departmentDow chemical liquid separation department provides FILMTECTM reverse osmosis membrane and DOWEX ™ ion exchange resin, it can satisfy the global scope of water treatment and special separation application requirement, involving industrial field in pharmaceutical, chemical, chemical process, mineral exploitation, catalytic reaction process, sugar, beverage and dairy products processing and other wide areas.Dow chemical company is a leading global enterprise, in science and technology, is famous for each main consumption market offer innovative chemicals, plastics, thechemical product and the service, the total sales of $49 billion. Dow's customers all over the world more than 175 countries, servesmany markets, including food, transport, health and medicine, individual and home care, construction and the project and so on, all of the human life is developing very important segment. Dow in 2004 fortune global 500 ranked 104 bits, wealth across the 500 ranking 34th.Early in the 1930s, dow already through agents conduct in the greater China region of business. Dow Hong Kong and Taiwan offices respectively in 1957 and 1968 established. 1979, with China's reform and opening, dow in guangzhou formal establishment in China's first business office. Today, the dow in the greater China region in Beijing, Shanghai, guangzhou, Hong Kong or Taiwan has 5 representative offices. Dow chemical (China) investment Co., LTD, established in 1998, was responsible for the management of all investment projects in China dow. In August, 2004, Shanghai officially became dow greater China headquarters.Dow and actively in the greater China region, expanding manufacturing base. Dow currently in zhangjiagang, ningbo, zhongshan, NaGang and tsing yi, and has 10 production factories and joint ventures.Through years of economic and trade cooperation, dow from customers, distributors and zone and governments at all levels and the relevant units established the close contact. In China and global market, dow's goal is to grasp the business needs, keep abreast of the market change and to provide comprehensive solutions.Dow and global 43,000 employees believe that the principle of sustainable development, in promoting economic growth, and to protect the environment and contribute to our society. Dow public commitment to support by chemical industry spontaneous advocated "the Responsible Care" (®), with responsibility to realize the safe disposal of chemicals. Since 2000, dow were the dow Jones global sustainable development index as globalization "sustainable development of industry leader".The U.S. dow RO semipermeable film componentsFreshwater membrane element modelsMd film component modelSeawater desalination membrane element modelsTW30-2521/300GPDBW30-2521/250GPDSW30-2521/200GPDTW30-2540/750GPDBW30-2540/750GPDSW30-2540/540GPDTW30-4040/2200GPDBW30-4040/2200GPDSW30-4040/1500GPDTW30-8040/9500GPDBW30-400/10500GPDSW30-8040/6000GPDUsing pressure：225PSiUsing pressure：225PSiUsing pressure：800PSiDesalination rate：99.5%Desalination rate：99.5%Desalination rate：99.6%Test condition：2000ppmTest condition：15000ppmTest condition：35000ppmResidential/Home Drinking Water ElementsModel No.Permeate
Flow Rate (GPD)Test Pressure (psig)Stabilized RejectionTW%TW%TW%TW%TW%Commercial RO ElementsModel No.Permeate
Flow Rate* (GPD)Test Pressure
(psig)Size
(Dia."xLength")Stabilized Rejection*Specification Sheets**TW"?6"99.0%TW.5"?4"99.0%TW.5"?1"99.0%XLE.5"?1"99.0%TW30HP.5"?6"99.0%TW.5"?0"99.5%LP.5"?0"99.2%XLE.5"?0"99.0%TW"?4"99.0%TW"?1"99.0%XLE-40211,0251004"?1"99.0%TW30-40402,4002254"?0"99.5%LP-40402,7001454"?0"99.2%XLE-40402,6001004"?0"99.0%Industrial RO ElementsModel No.Permeate
Flow Rate* (GPD)Test Pressure
(psig)Size
(Dia."xLength")Stabilized Rejection*Specification Sheets***BW30-40402,4002254"?0"99.5%BW30-3659,5002258"?0"99.5%BW30-40010,5002258"?0"99.5%BW30-400/34i**10,5002258"?0"99.5%BW30-440i**11,5002258"?0"99.5%Model No.Permeate
Flow Rate* (GPD)Test Pressure
(psig)Size
(Dia."xLength")Stabilized Rejection*Specification Sheets**SW.5"?4"99.75%SW.5"?1"99.4%SW.5"?0"99.4%SW"?1"99.4%SW30-40401,9508004"?0"99.4%SW30HRLE-40401,5508004"?0"99.4%Dow FILMTEC BW30-400FR membraneDow FILMTEC? BW30-400FR membrane element adopted dow proprietary fights pollution membrane technology for chemical and physical modification, especially for have a strict pretreatment, but still rich in biological and organic raw water pollutants such as the application area, it showed excellent resistance to pollution ability and can be cleaned characteristics. It is BW30-365FR products FILMTEC dow outspread, BW30-365FR has worldwide the massive customers use showed excellent fight pollution can force and system running economy. BW30-400FR has the following features:, high effective membrane area (400 ft 2), in not improve operating flux, under the precondition of higher produce a water yield,The desalination rate, high FILMTEC RO membrane is the world wide range of cleaning pH (pH1 ~ 12) components, able to scale, organic and inorganic microbial real now effectively clean;, full automatic, accurate manufacturing technology, using to shorten the length, increase the diaphragm membrane leaf number of advanced structure, lower overall pollution levels, maximize the membrane efficiency.These features user and operators in the treatment of high water polluted by RO when achieve long-term economy and the biggest trouble-free operation.Product specificationsProduct nameProduct NumbersEffective membrane areaft 2 (m 2 )Working pressurepsi (bar)Water production quantitygpd (m 3 /d)Stable desalination rateCl - ％BW30-400-FR202681400 (37)225 （ 15.5 ）10,500 (40)99.51. Produce a water yield and desalination rate is based on test conditions: 2000ppm NaCl, pressure as listed in the above table, 25oC, pH = 8, 15% recovery. 2. Single components produce a water yield may change, but not less than the above table values of 7 percent. 3. Single component minimum desalination rate 98.0%. 4. Performance standard with product improvements will slightly change. 5. Inlet port thickness is 28 dense ears.Product nameShape dimension - inch (mm)ABCBW30-400FR40.0 (1016)1.125 (29)7.9 (201)1 design multi-element system, please refer to the FilmTec design guidelines, and according to the water types follow the corresponding recovery limit. 1 inch = 25.4 millimeters2. Nominal diameter components with 8 inch (203mm) pressure vessel.Operating limitMembrane type............ Polyamide composite membraneSet-point temperature............ 45 o C (113 o F)The highest working pressure......... 600psi (41bar)Maximum differential pressure............ 15psi (bar) 1.0,Continuous running pH range - a............ 2-11Short-term cleaning pH range (30 minutes) b............ 1-12Maximum water flow............ 85gpm (19m 3 / h)Maximum water pollution index............ SDI 5Turbidity maximum water............... 1NTUFree chlorine tolerate quantity c............ 0.1 PPMA10, when the pH of the highest temperature for continuous operation 35oC (95oF); C under certain conditions, water containing free of chlorine and other antioxidants can cause serious damage, due to the membrane oxidative damage does not belong to product warranty scope, FilmTec recommended in terms of pretreatment removed from the film before the residual chlorine free.Dow FILMTEC BW30-365FR fights pollution reverse osmosis elementWith reverse osmosis technology been widely accepted, its appli, , , , cation in expanded to many areas, including for high microbial pollution plugging sex of water. In order to improve the reverse osmosis element in high microbial pollution plugging conditions of performance, dow to use the patent technology FT30 film chemical and physical modification, developed FR series fights pollution membrane element. FILMTEC BW30-365FR applies both to drinking water also applies to a non-potable industries. This element also adopted the FilmTec company "shorten diaphragm length, increase membrane leaf number" the unique element structure, not only in produce a water yield but also in can be cleaned sexually, all has the excellence of high efficiency. BW30-365FR effective membrane area with 365 square feet, standard test conditions produce a water yield 36m 3 / d (9500gfd). Use FR components, users can be only less component reaches the design produce a water yield. So that the system is more compact, reduce the system accessories and installation charge. BW30-365FR and BW 30-365 of produce a water yield and desalination rate are the same. Therefore, in the reconstruction, use BW30-365FR replacement BW30-365 components can reduce dirt plugging, drop low system system pressure and prolong the service life of membrane element.Product specificationsProduct nameProduct NumbersEffective membrane areaft 2 (m 2 )Produce a water yieldgpd (m 3 /d)Stable desalination rateCl - ％BW30 － 365FR174961/174962365 (34)9500 (36)99.5Produce a water yield and desalination rate is based on test conditions: 2000ppm NaCl, 225psi (1.55 MPa), 25oC, pH = 8, 15% recovery.2. Single components produce a water yield may change, but not less than the above table values of 7 percent. 3. Single component minimum desalination rate 98.0%. 4. 34mil water channel is more advantageous to the components of the thorough cleaning.Product nameSingle element
recovery %Shape dimension - inch (mm)ABCBW30-365FR1540.0 (1016)1.125 (29)7.9 (201)1 design multi-element system, please refer to the FilmTec design guidelines, and according to the water types follow the corresponding recovery limit. 1 inch = 25.4 millimeters2. Nominal diameter components with 8 inch (203mm) pressure vessel.Operating limitMembrane type............ Polyamide composite membraneSet-point temperature............ 45 o C (113 o F)The highest working pressure......... 600psi (41bar)Maximum differential pressure............ 15psi (bar) 1.0,Continuous running pH range - a............ 2-11Short-term cleaning pH range (30 minutes) b............ 1-12Maximum water flow............ 70gpm (dedicated 16m 3 / h)Maximum water pollution index............ SDI 5Turbidity maximum water............... 1NTUFree chlorine tolerate quantity c............ 0.1 PPMA10, when the pH of the highest temperature for continuous operation 35oC (95oF); C under certain conditions, water containing free of chlorine and other antioxidants can cause serious damage, due to the membrane oxidative damage does not belong to product warranty scope, FilmTec recommended in terms of pretreatment removed from the film before residual free.The highest desalination rate of RO membrane elementFILMTECTM BW30-440i membrane elementFILMTECTM BW30-440i reverse osmosis membrane element is currently industrial field, maximum effective membrane area with high desalination rate BW30 diaphragm completely combined with high water membrane element. Suitable for high purity water industry application, do not need to increase operation flux can reduce the equipment investment. In phase with the operation conditions and high desalination rate, produce a water yield than FILMTECTM BW30-440 membrane element high 10%, can reduce the new system equipment investment, or increase the existing system produce a water yield.Using iLECTM tip-to-face self-locking connection technology, and reduced the system operation cost and eliminate because type O ring leakageCause water production water falling risk.Design USES industrial standard 1.125 inches in diameter pipes to and other md film swaps.FILMTECTM BW30-440/34i membrane elementFILMTECTM BW30-440/34i reverse osmosis membrane element suitable for high pollution and challenging strong processing heay-duty raw water conditions, is highly durable, high water desalination rate, high performance of the best product, but in the lowest water making cost to realize the barrier-free operation. Water flow for 34mil, reduced the unclean plugging for pressure vessel within the influence of pressure drop, and increases the cleaning effect.Products have been widely adopted validation of superior performance and produce a water yield high FILMTECTM W30 reverse osmosis diaphragm.And membrane area for 365 square feet of membrane element compared through reducing equipment investment and operating cost, make water making total cost less.Using iLECTM tip-to-face self-locking connection technology, and reduced the system operation cost and eliminate because type O ring leaked water production water falling risk.FILMTECTM BW30-400 membrane elementThe reverse osmosis membrane element of high desalting willfulness can value, has been in industrial field has been widely recognized and proof, in the new system in use, can save the equipment investment, and replace the existing systems membrane element can increase produce a water yield. And membrane area for 365 square inches of membrane element, the element has compared the following advantages:In the new system chooses, can save the equipment investment.Replace the existing systems membrane element, can increase 10% produce a water yield.FILMTECTM BW30-365 membrane elementThis element in very wide inlet conditions, excellent performance, desalination rate is high, very strong, durable, when the price is important when selecting particularly appropriate.Water flow for 34mil, reduced the unclean plugging and increased cleaning effect.In industrial water treatment field of application of more than ten years of successful operation experience.The low consumption RO membrane elementFILMTECTM & nb sp;, LE - 44, I componentsFILMTECTM LE - 440i reverse osmosis membrane element is the film industry, maximum effective membrane area of low-energy components. In industrial and municipal water application performance in high yield, running low energy consumption characteristics, while maintaining a high desalination rate, low operating cost and water making total cost low merit.In the same produce a water yield and operation flux, operating pressure than FILMTECTM BW30-40 per cent lower 440i membrane element.LE than FILMTECTM - 400 membrane element produce a water yield high 10%, water production water identical, in ultra-pure water application domain, water making the lowest total cost.Using iLECTM tip-to-face self-locking connection technology, and reduced the system operation cost and eliminate because type O ring leaked water production water falling risk.Design USES industrial standard 1.125 inches in diameter pipes to and other md film swaps.FILMTECTM LE - 400Product nameEffective membrane areaProduce a water yieldDesalination rateTake off boron rateTest conditionFILMTECTMSW30HR-380380 ft2(35 m2 )6000gpd(23m3/d )The average99.75%minimum99.60%91.0%32,000ppmNaCl5ppm硼800 psi (55 bar)77 F (25 C)pH 88% recoveryFILMTECTMSW30HR-320(34 mil)320 ft2(30 m2 )6000gpd(23m3/d )The average99.70%minimum99.60%90.0%FILMTECTMSW30HR LE-400i400 ft2(37 m2 )7500gpd(28m3/d )The average99.75%minimum99.60%91.0%FILMTECTMSW30HR LE-400400 ft2(37 m2 )7500gpd(28m3/d )The average99.75%minimum99.60%91.0%FILMTECTMSW30XLE-400i400 ft2(37 m2 )9000gpd(34m3/d )The average99.70%minimum99.55%88.0%FILMTECTMSW30HRLE-404085ft2(7.9m2)1600gpd(6.1m3/d)The average99.75％minimum99.60％91.0％FILMTECTMSW30-254029 ft2(2.8 m2)700gpd(2.6m3/d)99.4%32,000ppmNaCl800 psi (55 bar)77 F (25 C)8% recoveryFILMTECTMSW30-404080ft2(7.4m2)1950(7.4)99.4％Listed physical parameters is recognized as the typical parameter, and not the product specification values. Note: when to improve product quality, product specifications may vary slightly.A guarantee for + 5% effective membrane area, dow water treatment group referred to effective membrane area is other membrane supplier labeling nominal membrane area is totally different. Measuring method can be reference files: 609-00434.B single components may produce a water yield (plus or minus 15% within the scope of the change.C in certain condition, operating pressure can be as high as 1200psi (83bar). When operating pressure is higher than 1000psi (69bar) please consult dow representative.FILMTECTM4040 reverse osmosis membrane elementAll series FILMTECTM4040 membrane element can satisfy the requirements of the broad masses of users, used for organizing requirements of water-yielding purity highest to cost the most economic system requirements.BW30 series is currently reverse osmosis membrane industry is recognized as one of the most stable performance, water production water quality of the highest standard commercial reverse-osmosis components.FRP winding membrane element is especially suitable for each one within three teams of pressure vessel series above membrane element and can withstand higher operating pressure drop.Products nameEffective areaProduce a water yieldDesalination rateMeasuring the pieces. TryBW30-404078 ft22400 gpd平均99.5%2,000ppmNaCl,225psi(15.5 bar)(7.2m2 )(9.1m3/d)25 ; pH 815% recoveryBW30HRLE-404078 ft23000 gpd平均99.3%500ppmNaCl,145psi (10.0bar)(7.2m2 )(11.4m3/d)25 ; pH 815% recoveryDiameter and Length8.0" x 40"4.0" x 40"2.5" x 40"Other ProductsBrackish WaterCommercial / Light IndustrialBW30HR-440i -NEW- BW30-440i BW30-400/34i BW30-400 BW30-365BW30-4040 TW30-4040BW30-2540 TW30-2540TW30-4021 TW30-4014 TW30-2521 TW30-2514 TW30-2026Low Energy Brackish WaterLow Energy Commercial / Light IndustrialXLE-440 LE-440i LE-400 BW30LE-440XLE-4040 LP-4040 LE-4040XLE-2540 LP-2540XLE-4021 XLE-2521Fouling ResistantHome Drinking WaterBW30XFR-400/34i -NEW- BW30-400-FR BW30-365-FRTW30-1812-24 TW30-1812-36 TW30-1812-50 TW30-1812-75 TWSeawater DesalinationMarineSW30XHR-440i -NEW- SW30ULE-440i -NEW- SW30XLE-440i -NEW- SW30HRLE-440i -NEW- SW30XHR-400i SW30ULE-400i SW30XLE-400i SW30HRLE-400i SW30HRLE-400 SW30HR-370/34i SW30HR-380SW30-4040 SW30HRLE-4040SW30-2540SW30-4021 SW30-2521 SW30-2514Nanofiltration / Specific Solute SeparationNF-400 NF90-400 NF270-400 NF200-400NF-4040 NF90-4040 NF270-4040NF-2540 NF90-2540 NF270-2540Semiconductor Rinse WaterSG30LE-440i SG30-400/34i SG30LE-400Sanitary-Style Elements for Water PurificationHSRO-390-FF RO-390-FFHSRO-4040-FF RO-4040-FFFood and DairyFood and Dairy RO-8038 RO-390-FF Food and Dairy NF245-8038 NF245-390-FFRO-3838/30-FF RO-3840/30-FF RO-3938/30-FF NF245-3838/30-FF NF245-3840/30-FFMilitarySW30-8040 SW30-380SW30-6040Maple SapMaple Sap Mark IOther ProductsTW30HP-4611 TW30HP-4619 TW30HP-4641
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